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Erdelyan CNG, Kandeil A, Signore AV, Jones MEB, Vogel P, Andreev K, Bøe CA, Gjerset B, Alkie TN, Yason C, Hisanaga T, Sullivan D, Lung O, Bourque L, Ayilara I, Pama L, Jeevan T, Franks J, Jones JC, Seiler JP, Miller L, Mubareka S, Webby RJ, Berhane Y. Multiple transatlantic incursions of highly pathogenic avian influenza clade 2.3.4.4b A(H5N5) virus into North America and spillover to mammals. Cell Rep 2024; 43:114479. [PMID: 39003741 DOI: 10.1016/j.celrep.2024.114479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 05/31/2024] [Accepted: 06/25/2024] [Indexed: 07/16/2024] Open
Abstract
Highly pathogenic avian influenza (HPAI) viruses have spread at an unprecedented scale, leading to mass mortalities in birds and mammals. In 2023, a transatlantic incursion of HPAI A(H5N5) viruses into North America was detected, followed shortly thereafter by a mammalian detection. As these A(H5N5) viruses were similar to contemporary viruses described in Eurasia, the transatlantic spread of A(H5N5) viruses was most likely facilitated by pelagic seabirds. Some of the Canadian A(H5N5) viruses from birds and mammals possessed the PB2-E627K substitution known to facilitate adaptation to mammals. Ferrets inoculated with A(H5N5) viruses showed rapid, severe disease onset, with some evidence of direct contact transmission. However, these viruses have maintained receptor binding traits of avian influenza viruses and were susceptible to oseltamivir and zanamivir. Understanding the factors influencing the virulence and transmission of A(H5N5) in migratory birds and mammals is critical to minimize impacts on wildlife and public health.
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Affiliation(s)
| | - Ahmed Kandeil
- Department of Pathology and Host-Microbe Interactions, St. Jude Children's Research Hospital, Memphis, TN 38105, USA; Center of Scientific Excellence for Influenza Viruses, National Research Centre, Giza, 12622, Egypt
| | - Anthony V Signore
- National Centre for Foreign Animal Disease, Winnipeg, MB R3E 3M4, Canada
| | - Megan E B Jones
- Canadian Wildlife Health Cooperative, Atlantic Region, Charlottetown, PEI C1A 4P3, Canada
| | - Peter Vogel
- Comparative Pathology Core, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Konstantin Andreev
- Department of Pathology and Host-Microbe Interactions, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | | | | | - Tamiru N Alkie
- National Centre for Foreign Animal Disease, Winnipeg, MB R3E 3M4, Canada
| | - Carmencita Yason
- Atlantic Veterinary College, University of Prince Edward Island, Charlottetown, PEI C1A 4P3, Canada
| | - Tamiko Hisanaga
- National Centre for Foreign Animal Disease, Winnipeg, MB R3E 3M4, Canada
| | - Daniel Sullivan
- National Centre for Foreign Animal Disease, Winnipeg, MB R3E 3M4, Canada
| | - Oliver Lung
- National Centre for Foreign Animal Disease, Winnipeg, MB R3E 3M4, Canada; Department of Biological Sciences, University of Manitoba, Winnipeg, MB R3T 2M5, Canada
| | - Laura Bourque
- Canadian Wildlife Health Cooperative, Atlantic Region, Charlottetown, PEI C1A 4P3, Canada
| | - Ifeoluwa Ayilara
- National Centre for Foreign Animal Disease, Winnipeg, MB R3E 3M4, Canada
| | - Lemarie Pama
- National Centre for Foreign Animal Disease, Winnipeg, MB R3E 3M4, Canada
| | - Trushar Jeevan
- Department of Pathology and Host-Microbe Interactions, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - John Franks
- Department of Pathology and Host-Microbe Interactions, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Jeremy C Jones
- Department of Pathology and Host-Microbe Interactions, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Jon P Seiler
- Department of Pathology and Host-Microbe Interactions, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Lance Miller
- Department of Pathology and Host-Microbe Interactions, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Samira Mubareka
- Sunnybrook Research Institute, Toronto, ON M4N 3M5, Canada; Department of Laboratory Medicine and Pathobiology, Temerty Faculty of Medicine, University of Toronto, Toronto, ON M5S 1A1, Canada
| | - Richard J Webby
- Department of Pathology and Host-Microbe Interactions, St. Jude Children's Research Hospital, Memphis, TN 38105, USA; Department of Microbiology, Immunology, and Biochemistry, University of Tennessee Health Science Center, Memphis, TN 38105, USA.
| | - Yohannes Berhane
- National Centre for Foreign Animal Disease, Winnipeg, MB R3E 3M4, Canada; Department of Animal Science, University of Manitoba, Winnipeg, MB R3T 2N2, Canada; Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, SK S7N 5B4, Canada.
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2
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Hannah L, Irvine A, Brito-Morales I, Fuller S, Davies T, Tittensor D, Reville G, Shackell N, Hennicke J, Stanley R. To save the high seas, plan for climate change. Nature 2024; 630:298-301. [PMID: 38867124 DOI: 10.1038/d41586-024-01720-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2024]
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3
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Albert C, Moe B, Strøm H, Grémillet D, Brault-Favrou M, Tarroux A, Descamps S, Bråthen VS, Merkel B, Åström J, Amélineau F, Angelier F, Anker-Nilssen T, Chastel O, Christensen-Dalsgaard S, Danielsen J, Elliott K, Erikstad KE, Ezhov A, Fauchald P, Gabrielsen GW, Gavrilo M, Hanssen SA, Helgason HH, Johansen MK, Kolbeinsson Y, Krasnov Y, Langset M, Lemaire J, Lorentsen SH, Olsen B, Patterson A, Plumejeaud-Perreau C, Reiertsen TK, Systad GH, Thompson PM, Lindberg Thórarinsson T, Bustamante P, Fort J. Seabirds reveal mercury distribution across the North Atlantic. Proc Natl Acad Sci U S A 2024; 121:e2315513121. [PMID: 38739784 PMCID: PMC11126949 DOI: 10.1073/pnas.2315513121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 03/26/2024] [Indexed: 05/16/2024] Open
Abstract
Mercury (Hg) is a heterogeneously distributed toxicant affecting wildlife and human health. Yet, the spatial distribution of Hg remains poorly documented, especially in food webs, even though this knowledge is essential to assess large-scale risk of toxicity for the biota and human populations. Here, we used seabirds to assess, at an unprecedented population and geographic magnitude and high resolution, the spatial distribution of Hg in North Atlantic marine food webs. To this end, we combined tracking data of 837 seabirds from seven different species and 27 breeding colonies located across the North Atlantic and Atlantic Arctic together with Hg analyses in feathers representing individual seabird contamination based on their winter distribution. Our results highlight an east-west gradient in Hg concentrations with hot spots around southern Greenland and the east coast of Canada and a cold spot in the Barents and Kara Seas. We hypothesize that those gradients are influenced by eastern (Norwegian Atlantic Current and West Spitsbergen Current) and western (East Greenland Current) oceanic currents and melting of the Greenland Ice Sheet. By tracking spatial Hg contamination in marine ecosystems and through the identification of areas at risk of Hg toxicity, this study provides essential knowledge for international decisions about where the regulation of pollutants should be prioritized.
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Affiliation(s)
- Céline Albert
- Littoral, Environnement et Sociétés, UMR 7266 CNRS-La Rochelle Université, La Rochelle17000, France
| | - Børge Moe
- Norwegian Institute for Nature Research, Trondheim7034, Norway
| | - Hallvard Strøm
- Norwegian Polar Institute, Fram Centre, Tromsø9296, Norway
| | - David Grémillet
- Centre d’Ecologie Fonctionnelle et Evolutive, UMR5175, Univ Montpellier, CNRS, Ecole Pratique des Hautes Etudes, Institut de Recherche pour le Développement, Montpellier34293, France
- FitzPatrick Institute of African Ornithology, University of Cape Town, Rondebosch7701, South Africa
| | - Maud Brault-Favrou
- Littoral, Environnement et Sociétés, UMR 7266 CNRS-La Rochelle Université, La Rochelle17000, France
| | - Arnaud Tarroux
- Norwegian Institute for Nature Research, Fram Centre, Tromsø9296, Norway
| | | | | | - Benjamin Merkel
- Norwegian Polar Institute, Fram Centre, Tromsø9296, Norway
- Akvaplan-niva, Fram Centre, TromsøNO-9007, Norway
| | - Jens Åström
- Norwegian Institute for Nature Research, Trondheim7034, Norway
| | - Françoise Amélineau
- Centre d’Ecologie Fonctionnelle et Evolutive, UMR5175, Univ Montpellier, CNRS, Ecole Pratique des Hautes Etudes, Institut de Recherche pour le Développement, Montpellier34293, France
| | - Frédéric Angelier
- Centre d’Etudes Biologiques de Chizé, UMR 7372 CNRS La Rochelle Université, Villiers-en-Bois79360, France
| | | | - Olivier Chastel
- Centre d’Etudes Biologiques de Chizé, UMR 7372 CNRS La Rochelle Université, Villiers-en-Bois79360, France
| | | | - Johannis Danielsen
- Seabird Ecology Department, Faroe Marine Research Institute, TórshavnFO-100, Faroe Islands
| | - Kyle Elliott
- Department of Natural Resource Sciences, McGill University, Ste Anne-de-Bellevue, QCH9X 3V9, Canada
| | | | - Alexey Ezhov
- Murmansk Marine Biological Institute, Murmansk183010, Russia
| | - Per Fauchald
- Norwegian Institute for Nature Research, Fram Centre, Tromsø9296, Norway
| | | | - Maria Gavrilo
- Association Maritime Heritage, Icebreaker “Krassin”, Saint-PetersburgRU–199106, Russia
- National Park Russian Arctic, ArchangelskRU-168000, Russia
| | - Sveinn Are Hanssen
- Norwegian Institute for Nature Research, Fram Centre, Tromsø9296, Norway
| | | | | | | | - Yuri Krasnov
- Murmansk Marine Biological Institute, Murmansk183010, Russia
| | | | - Jérémy Lemaire
- Littoral, Environnement et Sociétés, UMR 7266 CNRS-La Rochelle Université, La Rochelle17000, France
| | | | - Bergur Olsen
- Seabird Ecology Department, Faroe Marine Research Institute, TórshavnFO-100, Faroe Islands
| | - Allison Patterson
- Department of Natural Resource Sciences, McGill University, Ste Anne-de-Bellevue, QCH9X 3V9, Canada
| | | | - Tone K. Reiertsen
- Norwegian Institute for Nature Research, Fram Centre, Tromsø9296, Norway
| | | | - Paul M. Thompson
- University of Aberdeen, School of Biological Sciences, Lighthouse Field Station, Ross-shire, CromartyIV11 8YJ, Scotland
| | | | - Paco Bustamante
- Littoral, Environnement et Sociétés, UMR 7266 CNRS-La Rochelle Université, La Rochelle17000, France
- Institut Universitaire de France, Paris75005, France
| | - Jérôme Fort
- Littoral, Environnement et Sociétés, UMR 7266 CNRS-La Rochelle Université, La Rochelle17000, France
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4
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van Bemmelen RSA, Moe B, Schekkerman H, Hansen SA, Snell KRS, Humphreys EM, Mäntylä E, Hallgrimsson GT, Gilg O, Ehrich D, Calladine J, Hammer S, Harris S, Lang J, Vignisson SR, Kolbeinsson Y, Nuotio K, Sillanpää M, Sittler B, Sokolov A, Klaassen RHG, Phillips RA, Tulp I. Synchronous timing of return to breeding sites in a long-distance migratory seabird with ocean-scale variation in migration schedules. MOVEMENT ECOLOGY 2024; 12:22. [PMID: 38520007 PMCID: PMC10960466 DOI: 10.1186/s40462-024-00459-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 02/12/2024] [Indexed: 03/25/2024]
Abstract
BACKGROUND Migratory birds generally have tightly scheduled annual cycles, in which delays can have carry-over effects on the timing of later events, ultimately impacting reproductive output. Whether temporal carry-over effects are more pronounced among migrations over larger distances, with tighter schedules, is a largely unexplored question. METHODS We tracked individual Arctic Skuas Stercorarius parasiticus, a long-distance migratory seabird, from eight breeding populations between Greenland and Siberia using light-level geolocators. We tested whether migration schedules among breeding populations differ as a function of their use of seven widely divergent wintering areas across the Atlantic Ocean, Mediterranean Sea and Indian Ocean. RESULTS Breeding at higher latitudes led not only to later reproduction and migration, but also faster spring migration and shorter time between return to the breeding area and clutch initiation. Wintering area was consistent within individuals among years; and more distant areas were associated with more time spent on migration and less time in the wintering areas. Skuas adjusted the period spent in the wintering area, regardless of migration distance, which buffered the variation in timing of autumn migration. Choice of wintering area had only minor effects on timing of return at the breeding area and timing of breeding and these effects were not consistent between breeding populations. CONCLUSION The lack of a consistent effect of wintering area on timing of return between breeding areas indicates that individuals synchronize their arrival with others in their population despite extensive individual differences in migration strategies.
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Affiliation(s)
- Rob S A van Bemmelen
- Wageningen Marine Research, Haringkade 1, 1976 CP, IJmuiden, The Netherlands.
- Waardenburg Ecology, Culemborg, The Netherlands.
| | - Børge Moe
- Norwegian Institute for Nature Research (NINA), Trondheim, Norway
| | | | | | - Katherine R S Snell
- Center for Macroecology, Evolution and Climate, Globe Institute, University of Copenhagen, Copenhagen, Denmark
- Max Planck Institute of Animal Behavior, Radolfzell, Germany
- Centre for the Advanced Study of Collective Behaviour, University of Konstanz, Constance, Germany
| | - Elizabeth M Humphreys
- British Trust for Ornithology (BTO), Scotland, Stirling University Innovation Park, Stirling, FK9 4NF, UK
| | - Elina Mäntylä
- Section of Ecology, Department of Biology, University of Turku, Turku, Finland
- Applied Zoology/Animal Ecology, Institute of Biology, Freie Universität Berlin, Berlin, Germany
- Institute of Entomology, Biology Centre of the Czech Academy of Sciences, České Budějovice, Czech Republic
- Faculty of Sciences, University of South Bohemia, České Budějovice, Czech Republic
| | | | - Olivier Gilg
- UMR 6249 Chrono-Environnement, CNRS, Université de Bourgogne Franche Comté, 25000, Besançon, France
- Groupe de Recherche en Ecologie Arctique, 16 Rue de Vernot, 21440, Francheville, France
| | | | - John Calladine
- British Trust for Ornithology (BTO), Scotland, Stirling University Innovation Park, Stirling, FK9 4NF, UK
| | - Sjúrður Hammer
- Faculty of Science and Technology, University of the Faroe Islands, Vestarabryggja 15, 100, Tórshavn, Faroe Islands
| | - Sarah Harris
- British Trust for Ornithology (BTO), The Nunnery, Thetford, Norfolk, IP24 2PU, UK
| | - Johannes Lang
- Groupe de Recherche en Ecologie Arctique, 16 Rue de Vernot, 21440, Francheville, France
- University of Giessen, Giessen, Germany
| | | | | | - Kimmo Nuotio
- Pori Ornithological Society, Pori, Finland
- Environmental Agency, Pori, Finland
| | | | - Benoît Sittler
- Groupe de Recherche en Ecologie Arctique, 16 Rue de Vernot, 21440, Francheville, France
- University of Freiburg, Freiburg, Germany
| | - Aleksandr Sokolov
- Arctic Research Station of Institute of Plant and Animal Ecology, Ural Branch, Russian Academy of Sciences, Labytnangi, Russia
| | - Raymond H G Klaassen
- Conservation Ecology Group, Groningen Institute for Evolutionary Life Sciences (GELIFES), Groningen University, Groningen, The Netherlands
| | - Richard A Phillips
- British Antarctic Survey (BAS), Natural Environment Research Council (NERC), Cambridge, UK
| | - Ingrid Tulp
- Wageningen Marine Research, Haringkade 1, 1976 CP, IJmuiden, The Netherlands.
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5
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Lewin PJ, Wynn J, Arcos JM, Austin RE, Blagrove J, Bond S, Carrasco G, Delord K, Fisher-Reeves L, García D, Gillies N, Guilford T, Hawkins I, Jaggers P, Kirk C, Louzao M, Maurice L, McMinn M, Micol T, Morford J, Morgan G, Moss J, Riera EM, Rodriguez A, Siddiqi-Davies K, Weimerskirch H, Wynn RB, Padget O. Climate change drives migratory range shift via individual plasticity in shearwaters. Proc Natl Acad Sci U S A 2024; 121:e2312438121. [PMID: 38285933 PMCID: PMC10861922 DOI: 10.1073/pnas.2312438121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 12/08/2023] [Indexed: 01/31/2024] Open
Abstract
How individual animals respond to climate change is key to whether populations will persist or go extinct. Yet, few studies investigate how changes in individual behavior underpin these population-level phenomena. Shifts in the distributions of migratory animals can occur through adaptation in migratory behaviors, but there is little understanding of how selection and plasticity contribute to population range shift. Here, we use long-term geolocator tracking of Balearic shearwaters (Puffinus mauretanicus) to investigate how year-to-year changes in individual birds' migrations underpin a range shift in the post-breeding migration. We demonstrate a northward shift in the post-breeding range and show that this is brought about by individual plasticity in migratory destination, with individuals migrating further north in response to changes in sea-surface temperature. Furthermore, we find that when individuals migrate further, they return faster, perhaps minimizing delays in return to the breeding area. Birds apparently judge the increased distance that they will need to migrate via memory of the migration route, suggesting that spatial cognitive mechanisms may contribute to this plasticity and the resulting range shift. Our study exemplifies the role that individual behavior plays in populations' responses to environmental change and highlights some of the behavioral mechanisms that might be key to understanding and predicting species persistence in response to climate change.
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Affiliation(s)
- Patrick J. Lewin
- Department of Biology, University of Oxford, OxfordOX1 3SZ, United Kingdom
| | - Joe Wynn
- Department of Biology, University of Oxford, OxfordOX1 3SZ, United Kingdom
- Institut für Vogelforschung “Vogelwarte Helgoland”, Wilhelmshaven26386, Germany
| | - José Manuel Arcos
- Programa Marino, Sociedad Española de Ornitología/BirdLife, Delegació de Catalunya, Barcelona08026, Spain
| | - Rhiannon E. Austin
- National Oceanography Centre–Southampton, SouthamptonSO14 3ZH, United Kingdom
- Earth Ocean and Ecological Sciences, School of Environmental Sciences, University of Liverpool, LiverpoolL69 3GP, United Kingdom
| | - Josephine Blagrove
- Department of Biology, University of Oxford, OxfordOX1 3SZ, United Kingdom
| | - Sarah Bond
- Department of Biology, University of Oxford, OxfordOX1 3SZ, United Kingdom
- School of Ocean Sciences, College of Science and Engineering, Bangor University, Menai BridgeLL59 5AB, United Kingdom
| | - Gemma Carrasco
- Iniciativa de Recerca de la Biodiversitat de les Illes, Alaior, Balearic Islands07730, Spain
| | - Karine Delord
- Centre d’Etudes Biologiques de Chizé, Laboratoire des Sciences de l'Environnement Marin, UMR 7372, Centre National de la Recherche Scientifique, Villiers en Bois79360, France
| | | | - David García
- Iniciativa de Recerca de la Biodiversitat de les Illes, Alaior, Balearic Islands07730, Spain
| | - Natasha Gillies
- Department of Biology, University of Oxford, OxfordOX1 3SZ, United Kingdom
- Earth Ocean and Ecological Sciences, School of Environmental Sciences, University of Liverpool, LiverpoolL69 3GP, United Kingdom
| | - Tim Guilford
- Department of Biology, University of Oxford, OxfordOX1 3SZ, United Kingdom
| | - Isobel Hawkins
- Department of Biology, University of Oxford, OxfordOX1 3SZ, United Kingdom
| | - Paris Jaggers
- Department of Biology, University of Oxford, OxfordOX1 3SZ, United Kingdom
| | - Christian Kirk
- Department of Biology, University of Oxford, OxfordOX1 3SZ, United Kingdom
| | - Maite Louzao
- AZTI, Marine Research, Basque Research and Technology Alliance, Pasaia20110, Spain
| | - Lou Maurice
- British Geological Survey, WallingfordOX10 8ED, United Kingdom
| | - Miguel McMinn
- Grupo Biogeografía, geodinámica y sedimentación del Mediterráneo occidental, Ciències i Tecnologies Mediambientals, Universitat de les Illes Balears,Palma, Balearic IslandsE07122, Spain
| | - Thierry Micol
- Ligue pour la Protection des Oiseaux, BirdLife International Partner in France, Rochefort Cedex17305, France
| | - Joe Morford
- Department of Biology, University of Oxford, OxfordOX1 3SZ, United Kingdom
| | - Greg Morgan
- Royal Society for the Protection of Birds, Ramsey Island, St. Davids, PembrokeshireSA62 6PY, United Kingdom
| | - Jason Moss
- Department of Biology, University of Oxford, OxfordOX1 3SZ, United Kingdom
| | - Elisa Miquel Riera
- Department of Biology, University of Oxford, OxfordOX1 3SZ, United Kingdom
| | - Ana Rodriguez
- Grupo Biogeografía, geodinámica y sedimentación del Mediterráneo occidental, Ciències i Tecnologies Mediambientals, Universitat de les Illes Balears,Palma, Balearic IslandsE07122, Spain
| | | | - Henri Weimerskirch
- Centre d’Etudes Biologiques de Chizé, Laboratoire des Sciences de l'Environnement Marin, UMR 7372, Centre National de la Recherche Scientifique, Villiers en Bois79360, France
| | - Russell B. Wynn
- National Oceanography Centre–Southampton, SouthamptonSO14 3ZH, United Kingdom
| | - Oliver Padget
- Department of Biology, University of Oxford, OxfordOX1 3SZ, United Kingdom
- Earth Ocean and Ecological Sciences, School of Environmental Sciences, University of Liverpool, LiverpoolL69 3GP, United Kingdom
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Trevail AM, Nicoll MAC, Freeman R, Le Corre M, Schwarz J, Jaeger A, Bretagnolle V, Calabrese L, Feare C, Lebarbenchon C, Norris K, Orlowski S, Pinet P, Plot V, Rocamora G, Shah N, Votier SC. Tracking seabird migration in the tropical Indian Ocean reveals basin-scale conservation need. Curr Biol 2023; 33:5247-5256.e4. [PMID: 37972589 DOI: 10.1016/j.cub.2023.10.060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 09/20/2023] [Accepted: 10/26/2023] [Indexed: 11/19/2023]
Abstract
Understanding marine predator distributions is an essential component of arresting their catastrophic declines.1,2,3,4 In temperate, polar, and upwelling seas, predictable oceanographic features can aggregate migratory predators, which benefit from site-based protection.5,6,7,8 In more oligotrophic tropical waters, however, it is unclear whether environmental conditions create similar multi-species hotspots. We track the non-breeding movements and habitat preferences of a tropical seabird assemblage (n = 348 individuals, 9 species, and 10 colonies in the western Indian Ocean), which supports globally important biodiversity.9,10,11,12 We mapped species richness from tracked populations and then predicted the same diversity measure for all known Indian Ocean colonies. Most species had large non-breeding ranges, low or variable residency patterns, and specific habitat preferences. This in turn revealed that maximum species richness covered >3.9 million km2, with no focused aggregations, in stark contrast to large-scale tracking studies in all other ocean basins.5,6,7,13,14 High species richness was captured by existing marine protected areas (MPAs) in the region; however, most occurred in the unprotected high seas beyond national jurisdictions. Seabirds experience cumulative anthropogenic impacts13 and high mortality15,16 during non-breeding. Therefore, our results suggest that seabird conservation in the tropical Indian Ocean requires an ocean-wide perspective, including high seas legislation.17 As restoration actions improve the outlook for tropical seabirds on land18,19,20,21,22 and environmental change reshapes the habitats that support them at sea,15,16 appropriate marine conservation will be crucial for their long-term recovery and whole ecosystem restoration.
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Affiliation(s)
- Alice M Trevail
- Environment and Sustainability Institute, University of Exeter, Penryn TR10 9FE, UK.
| | - Malcolm A C Nicoll
- Institute of Zoology, Zoological Society of London, Regent's Park, London NW14RY, UK
| | - Robin Freeman
- Institute of Zoology, Zoological Society of London, Regent's Park, London NW14RY, UK
| | - Matthieu Le Corre
- Écologie marine tropicale des océans Pacifique et Indien, UMR ENTROPIE, Université de la Réunion, 15 Avenue René Cassin, BP 7151, 97715 Saint Denis, La Réunion, France
| | - Jill Schwarz
- School of Biological and Marine Sciences, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK
| | - Audrey Jaeger
- Écologie marine tropicale des océans Pacifique et Indien, UMR ENTROPIE, Université de la Réunion, 15 Avenue René Cassin, BP 7151, 97715 Saint Denis, La Réunion, France
| | - Vincent Bretagnolle
- Centre d'Etudes Biologiques de Chizé (CEBC-CNRS), 79360 Beauvoir sur Niort, France
| | - Licia Calabrese
- Centre d'Etudes Biologiques de Chizé (CEBC-CNRS), 79360 Beauvoir sur Niort, France; Island Conservation Society, Pointe Larue, Mahé P.O Box 775, Seychelles; Island Biodiversity and Conservation Centre of the University of Seychelles, Anse Royale, Mahé, Seychelles
| | - Chris Feare
- WildWings Bird Management, 2 North View Cottages, Grayswood Common, Haslemere, Surrey GU27 2DN, UK; School of Biological, Earth and Environmental Sciences, Faculty of Science, University of New South Wales (UNSW), NSW, Sydney 2052, Australia
| | - Camille Lebarbenchon
- Université de la Réunion, UMR Processus Infectieux en Milieu Insulaire Tropical (PIMIT), INSERM 1187, CNRS 9192, IRD 249, Saint Denis, La Réunion, France
| | - Ken Norris
- Natural History Museum, Cromwell Road, London SW7 5BD, UK
| | - Sabine Orlowski
- Écologie marine tropicale des océans Pacifique et Indien, UMR ENTROPIE, Université de la Réunion, 15 Avenue René Cassin, BP 7151, 97715 Saint Denis, La Réunion, France
| | - Patrick Pinet
- Parc national de La Réunion, Life+ Pétrels. 258 Rue de la République, 97431 Plaine des Palmistes, La Réunion, France
| | - Virginie Plot
- Écologie marine tropicale des océans Pacifique et Indien, UMR ENTROPIE, Université de la Réunion, 15 Avenue René Cassin, BP 7151, 97715 Saint Denis, La Réunion, France
| | - Gerard Rocamora
- Centre d'Etudes Biologiques de Chizé (CEBC-CNRS), 79360 Beauvoir sur Niort, France; Island Biodiversity and Conservation Centre of the University of Seychelles, Anse Royale, Mahé, Seychelles
| | - Nirmal Shah
- Nature Seychelles, P.O. Box 1310, The Centre for Environment and Education, Roche Caiman, Mahé, Seychelles; The Centre for Environment and Education, Roche Caiman, Mahé, Seychelles
| | - Stephen C Votier
- The Lyell Centre, Heriot-Watt University, Edinburgh EH14 4AS, UK.
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7
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Browning TJ, Al-Hashem AA, Achterberg EP, Carvalho PC, Catry P, Matthiopoulos J, Miller JAO, Wakefield ED. The role of seabird guano in maintaining North Atlantic summertime productivity. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 897:165309. [PMID: 37406699 DOI: 10.1016/j.scitotenv.2023.165309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 06/29/2023] [Accepted: 07/02/2023] [Indexed: 07/07/2023]
Abstract
Nutrients supplied via seabird guano increase primary production in some coastal ecosystems. A similar process may occur in the open ocean. To investigate this directly, we first measured bulk and leachable nutrient concentrations in guano sampled in the North Atlantic. We found that guano was strongly enriched in phosphorus, which was released as phosphate in solution. Nitrogen release was dominated by reduced forms (ammonium and urea) whilst release of nitrate was relatively low. A range of trace elements, including the micronutrient iron, were released. Using in-situ bioassays, we then showed that supply of fresh guano to ambient seawater increases phytoplankton biomass and photochemical efficiencies. Based on these results, modelled seabird distributions, and known defecation rates, we estimate that on annual scales guano is a minor source of nutrients for the surface North Atlantic. However, on shorter timescales in late spring/summer it could be much more important: Estimates of upper-level depositions of phosphorus by seabirds were three orders of magnitude higher than modelled aerosol deposition and comparable to diffusion from deeper waters.
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Affiliation(s)
- Thomas J Browning
- Marine Biogeochemistry Division, GEOMAR Helmholtz Centre for Ocean Kiel, Germany.
| | - Ali A Al-Hashem
- Marine Biogeochemistry Division, GEOMAR Helmholtz Centre for Ocean Kiel, Germany
| | - Eric P Achterberg
- Marine Biogeochemistry Division, GEOMAR Helmholtz Centre for Ocean Kiel, Germany
| | - Paloma C Carvalho
- Freshwater Institute, Fisheries and Oceans Canada, Winnipeg, MB R3T 2N6, Canada
| | - Paulo Catry
- Marine and Environmental Sciences Centre (MARE) / Aquatic Research Network (ARNET), ISPA - Instituto Universitário, Rua Jardim do Tabaco 34, 1149-041 Lisbon, Portugal
| | - Jason Matthiopoulos
- School of Biodiversity One Health and Veterinary Medicine, University of Glasgow, United Kingdom
| | - Julie A O Miller
- School of Biodiversity One Health and Veterinary Medicine, University of Glasgow, United Kingdom
| | - Ewan D Wakefield
- School of Biodiversity One Health and Veterinary Medicine, University of Glasgow, United Kingdom; Department of Geography, Durham University, Lower Mountjoy, South Road, Durham, DH1 3LE, UK
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Morten JM, Buchanan PJ, Egevang C, Glissenaar IA, Maxwell SM, Parr N, Screen JA, Vigfúsdóttir F, Vogt‐Vincent NS, Williams DA, Williams NC, Witt MJ, Hawkes LA, Thurston W. Global warming and arctic terns: Estimating climate change impacts on the world's longest migration. GLOBAL CHANGE BIOLOGY 2023; 29:5596-5614. [PMID: 37492997 PMCID: PMC10946559 DOI: 10.1111/gcb.16891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 06/29/2023] [Accepted: 07/01/2023] [Indexed: 07/27/2023]
Abstract
Climate change is one of the top three global threats to seabirds, particularly species that visit polar regions. Arctic terns migrate between both polar regions annually and rely on productive marine areas to forage, on sea ice for rest and foraging, and prevailing winds during flight. Here, we report 21st-century trends in environmental variables affecting arctic terns at key locations along their Atlantic/Indian Ocean migratory flyway during the non-breeding seasons, identified through tracking data. End-of-century climate change projections were derived from Earth System Models and multi-model means calculated in two Shared Socioeconomic Pathways: 'middle-of-the-road' and 'fossil-fuelled development' scenarios. Declines in North Atlantic primary production emerge as a major impact to arctic terns likely to affect their foraging during the 21st century under a 'fossil-fuelled development' scenario. Minimal changes are, however, projected at three other key regions visited by arctic terns (Benguela Upwelling, Subantarctic Indian Ocean and the Southern Ocean). Southern Ocean sea ice extent is likely to decline, but the magnitude of change and potential impacts on tern survival are uncertain. Small changes (<1 m s-1 ) in winds are projected in both scenarios, but with minimal likely impacts on migration routes and duration. However, Southern Ocean westerlies are likely to strengthen and contract closer to the continent, which may require arctic terns to shift routes or flight strategies. Overall, we find minor effects of climate change on the migration of arctic terns, with the exception of poorer foraging in the North Atlantic. However, given that arctic terns travel over huge spatial scales and live for decades, they integrate minor changes in conditions along their migration routes such that the sum effect may be greater than the parts. Meeting carbon emission targets is vital to slow these end-of-century climatic changes and minimise extinction risk for a suite of polar species.
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Affiliation(s)
- Joanne M. Morten
- Department of Biosciences, Faculty of Health and Life SciencesUniversity of Exeter, Hatherly LaboratoriesExeterUK
| | - Pearse J. Buchanan
- Department of Earth, Ocean and Ecological SciencesUniversity of LiverpoolLiverpoolUK
| | - C. Egevang
- Greenland Institute of Natural ResourcesNuukGreenland
| | - Isolde A. Glissenaar
- Bristol Glaciology Centre, School of Geographical SciencesUniversity of BristolBristolUK
| | - Sara M. Maxwell
- School of Interdisciplinary Arts & SciencesUniversity of WashingtonBothellWashingtonUSA
| | - Nicole Parr
- Department of Biosciences, Faculty of Health and Life SciencesUniversity of Exeter, Hatherly LaboratoriesExeterUK
| | - James A. Screen
- Department of Mathematics and Statistics, Faculty of Environment, Science and EconomyUniversity of ExeterExeterUK
| | | | | | - Daniel A. Williams
- Department of Mathematics and Statistics, Faculty of Environment, Science and EconomyUniversity of ExeterExeterUK
| | - Ned C. Williams
- Department of Mathematics and Statistics, Faculty of Environment, Science and EconomyUniversity of ExeterExeterUK
| | - Matthew J. Witt
- Department of Biosciences, Faculty of Health and Life SciencesUniversity of Exeter, Hatherly LaboratoriesExeterUK
| | - Lucy A. Hawkes
- Department of Biosciences, Faculty of Health and Life SciencesUniversity of Exeter, Hatherly LaboratoriesExeterUK
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9
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Shuert CR, Hussey NE, Marcoux M, Heide-Jørgensen MP, Dietz R, Auger-Méthé M. Divergent migration routes reveal contrasting energy-minimization strategies to deal with differing resource predictability. MOVEMENT ECOLOGY 2023; 11:31. [PMID: 37280701 DOI: 10.1186/s40462-023-00397-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Accepted: 05/30/2023] [Indexed: 06/08/2023]
Abstract
BACKGROUND Seasonal long-distance movements are a common feature in many taxa allowing animals to deal with seasonal habitats and life-history demands. Many species use different strategies to prioritize time- or energy-minimization, sometimes employing stop-over behaviours to offset the physiological burden of the directed movement associated with migratory behaviour. Migratory strategies are often limited by life-history and environmental constraints, but can also be modulated by the predictability of resources en route. While theory on population-wide strategies (e.g. energy-minimization) are well studied, there are increasing evidence for individual-level variation in movement patterns indicative of finer scale differences in migration strategies. METHODS We aimed to explore sources of individual variation in migration strategies for long-distance migrators using satellite telemetry location data from 41 narwhal spanning a 21-year period. Specifically, we aimed to determine and define the long-distance movement strategies adopted and how environmental variables may modulate these movements. Fine-scale movement behaviours were characterized using move-persistence models, where changes in move-persistence, highlighting autocorrelation in a movement trajectory, were evaluated against potential modulating environmental covariates. Areas of low move-persistence, indicative of area-restricted search-type behaviours, were deemed to indicate evidence of stop-overs along the migratory route. RESULTS Here, we demonstrate two divergent migratory tactics to maintain a similar overall energy-minimization strategy within a single population of narwhal. Narwhal migrating offshore exhibited more tortuous movement trajectories overall with no evidence of spatially-consistent stop-over locations across individuals. Nearshore migrating narwhal undertook more directed routes, contrasted by spatially-explicit stop-over behaviour in highly-productive fjord and canyon systems along the coast of Baffin Island for periods of several days to several weeks. CONCLUSIONS Within a single population, divergent migratory tactics can achieve a similar overall energy-minimizing strategy within a species as a response to differing trade-offs between predictable and unpredictable resources. Our methodological approach, which revealed the modulators of fine-scale migratory movements and predicted regional stop-over sites, is widely applicable to a variety of other aquatic and terrestrial species. Quantifying marine migration strategies will be key for adaptive conservation in the face of climate change and ever increasing human pressures.
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Affiliation(s)
- Courtney R Shuert
- Department of Integrative Biology, University of Windsor, Windsor, ON, N9B 3P4, Canada.
- Fisheries and Oceans Canada, Freshwater Institute, Winnipeg, MB, R3T 2N6, Canada.
| | - Nigel E Hussey
- Department of Integrative Biology, University of Windsor, Windsor, ON, N9B 3P4, Canada
| | - Marianne Marcoux
- Fisheries and Oceans Canada, Freshwater Institute, Winnipeg, MB, R3T 2N6, Canada
| | | | - Rune Dietz
- Department of Ecoscience, Aarhus University, Frederiksborgvej 399, 4000, Roskilde, Denmark
| | - Marie Auger-Méthé
- Institute for the Oceans & Fisheries, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada
- Department of Statistics, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada
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10
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Atkins K, Bearhop S, Bodey TW, Grecian WJ, Hamer K, Pereira JM, Meinertzhagen H, Mitchell C, Morgan G, Morgan L, Newton J, Sherley RB, Votier SC. Geolocator-tracking seabird migration and moult reveal large-scale, temperature-driven isoscapes in the NE Atlantic. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2023; 37:e9489. [PMID: 36775809 DOI: 10.1002/rcm.9489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 01/27/2023] [Accepted: 02/02/2023] [Indexed: 06/18/2023]
Abstract
RATIONALE By combining precision satellite-tracking with blood sampling, seabirds can be used to validate marine carbon and nitrogen isoscapes, but it is unclear whether a comparable approach using low-precision light-level geolocators (GLS) and feather sampling can be similarly effective. METHODS Here we used GLS to identify wintering areas of northern gannets (Morus bassanus) and sampled winter grown feathers (confirmed from image analysis of non-breeding birds) to test for spatial gradients in δ13 C and δ15 N in the NE Atlantic. RESULTS By matching winter-grown feathers with the non-breeding location of tracked birds we found latitudinal gradients in δ13 C and δ15 N in neritic waters. Moreover, isotopic patterns were best explained by sea surface temperature. Similar isotope gradients were found in fish muscle sampled at local ports. CONCLUSIONS Our study reveals the potential of using seabird GLS and feathers to reconstruct large-scale isotopic patterns.
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Affiliation(s)
- Kelly Atkins
- Centre for Ecology and Conservation, University of Exeter, Cornwall, UK
| | - Stuart Bearhop
- Centre for Ecology and Conservation, University of Exeter, Cornwall, UK
| | - Thomas W Bodey
- School of Biological Sciences, University of Aberdeen, Aberdeen, UK
| | | | - Keith Hamer
- School of Biology, University of Leeds, Leeds, UK
| | - Jorge M Pereira
- MARE - Marine and Environmental Sciences Centre/ARNET - Aquatic Research Network, Department of Life Sciences, University of Coimbra, Coimbra, Portugal
| | | | - Chris Mitchell
- Centre for Ecology and Conservation, University of Exeter, Cornwall, UK
| | | | | | - Jason Newton
- Natural Environment Research Council Life Sciences Mass Spectrometry Facility, Scottish Universities Environmental Research Centre, East Kilbride, UK
| | - Richard B Sherley
- Centre for Ecology and Conservation, University of Exeter, Cornwall, UK
| | - Stephen C Votier
- Lyell Centre, Institute for Life and Earth Sciences, Heriot-Watt University, Edinburgh, UK
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11
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Sarzo B, Martínez-Minaya J, Pennino MG, Conesa D, Coll M. Modelling seabirds biodiversity through Bayesian Spatial Beta regression models: A proxy to inform marine protected areas in the Mediterranean Sea. MARINE ENVIRONMENTAL RESEARCH 2023; 185:105860. [PMID: 36680810 DOI: 10.1016/j.marenvres.2022.105860] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 12/21/2022] [Accepted: 12/25/2022] [Indexed: 06/17/2023]
Abstract
Seabirds are bioindicators of marine ecosystems health and one of the world's most endangered avian groups. The creation of marine protected areas plays an important role in the conservation of marine environment and its biodiversity. The distributions of top predators, as seabirds, have been commonly used for the management and creation of these figures of protection. The main objective of this study is to investigate seabirds biodiversity distribution in the Mediterranean Sea through the use of Bayesian spatial Beta regression models. We used an extensive historical database of at-sea locations of 19 different seabird species as well as geophysical, climatology variables and cumulative anthropogenic threats to model species biodiversity. We found negative associations between seabirds biodiversity and distance to the coast as well as concavity of the seabed, and positive with chlorophyll and slope. Further, a positive association was found between seabirds biodiversity and coastal impact. In this study we define as hot spot of seabird biodiversity those areas with a posterior predictive mean over 0.50. We found potential hot spots in the Mediterranean Sea which do not overlap with the existing MPASs and marine IBAs. Specifically, our hot spots areas do not overlap with the 52.04% and 16.87% of the current MPAs and marine IBAs, respectively. Overall, our study highlights the need for the extension of spatial prioritization of conservation areas to seabirds biodiversity, addressing the challenges of establishing transboundary governance.
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Affiliation(s)
- Blanca Sarzo
- Institut Cavanilles de Biodiversitat i Biologia Evolutiva, University of Valencia, Burjassot, Valencia, 46100, Spain; School of Mathematics and Maxwell Institute for Mathematical Sciences, University of Edinburgh, Edinburgh, UK.
| | - Joaquín Martínez-Minaya
- Department of Applied Statistics and Operational Research, and Quality, Universitat Politècnica de València, Valencia, 46022, Spain.
| | - Maria Grazia Pennino
- Spanish Oceanographic Institute (IEO, CSIC), Centro Oceanográfico de Madrid, 28002, Madrid, Spain.
| | - David Conesa
- Department of Statistics and Operational Research, University of Valencia, Burjasot, Valencia, 46100, Spain.
| | - Marta Coll
- Institute of Marine Sciences (ICM-CSIC) and Ecopath International Initiative (EII), Barcelona, 08003, Spain.
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12
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Grissot A, Borrel C, Devogel M, Altmeyer L, Johansen MK, Strøm H, Wojczulanis‐Jakubas K. Use of geolocators for investigating breeding ecology of a rock crevice-nesting seabird: Method validation and impact assessment. Ecol Evol 2023; 13:e9846. [PMID: 36937057 PMCID: PMC10017308 DOI: 10.1002/ece3.9846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 01/13/2023] [Accepted: 01/27/2023] [Indexed: 03/18/2023] Open
Abstract
Investigating ecology of marine animals imposes a continuous challenge due to their temporal and/or spatial unavailability. Light-based geolocators (GLS) are animal-borne devices that provide relatively cheap and efficient method to track seabird movement and are commonly used to study migration. Here, we explore the potential of GLS data to establish individual behavior during the breeding period in a rock crevice-nesting seabird, the Little Auk, Alle alle. By deploying GLS on 12 breeding pairs, we developed a methodological workflow to extract birds' behavior from GLS data (nest attendance, colony attendance, and foraging activity), and validated its accuracy using behavior extracted from a well-established method based on video recordings. We also compared breeding outcome, as well as behavioral patterns of logged individuals with a control group treated similarly in all aspects except for the deployment of a logger, to assess short-term logger effects on fitness and behavior. We found a high accuracy of GLS-established behavioral patterns, especially during the incubation and early chick rearing period (when birds spend relatively long time in the nest). We observed no apparent effect of logger deployment on breeding outcome of logged pairs, but recorded some behavioral changes in logged individuals (longer incubation bouts and shorter foraging trips). Our study provides a useful framework for establishing behavioral patterns (nest attendance and foraging) of a crevice-nesting seabird from GLS data (light and conductivity), especially during incubation and early chick rearing period. Given that GLS deployment does not seem to affect the breeding outcome of logged individuals but does affect fine-scale behavior, our framework is likely to be applicable to a variety of crevice/burrow nesting seabirds, even though precautions should be taken to reduce deployment effect. Finally, because each species may have its own behavioral and ecological specificity, we recommend performing a pilot study before implementing the method in a new study system.
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Affiliation(s)
- Antoine Grissot
- Department of Vertebrate Ecology and ZoologyUniversity of GdańskGdańskPoland
| | - Clara Borrel
- Department of Vertebrate Ecology and ZoologyUniversity of GdańskGdańskPoland
- Université de Rennes 1Rennes CedexFrance
- L'institut Agro (AgroCampus Ouest Rennes)Rennes CedexFrance
| | - Marion Devogel
- Department of Vertebrate Ecology and ZoologyUniversity of GdańskGdańskPoland
| | - Lauraleen Altmeyer
- Department of Vertebrate Ecology and ZoologyUniversity of GdańskGdańskPoland
- Université de Rennes 1Rennes CedexFrance
- L'institut Agro (AgroCampus Ouest Rennes)Rennes CedexFrance
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13
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Carravieri A, Lorioux S, Angelier F, Chastel O, Albert C, Bråthen VS, Brisson-Curadeau É, Clairbaux M, Delord K, Giraudeau M, Perret S, Poupart T, Ribout C, Viricel-Pante A, Grémillet D, Bustamante P, Fort J. Carryover effects of winter mercury contamination on summer concentrations and reproductive performance in little auks. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 318:120774. [PMID: 36496068 DOI: 10.1016/j.envpol.2022.120774] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 11/04/2022] [Accepted: 11/26/2022] [Indexed: 06/17/2023]
Abstract
Many animals migrate after reproduction to respond to seasonal environmental changes. Environmental conditions experienced on non-breeding sites can have carryover effects on fitness. Exposure to harmful chemicals can vary widely between breeding and non-breeding grounds, but its carryover effects are poorly studied. Mercury (Hg) contamination is a major concern in the Arctic. Here, we quantified winter Hg contamination and its carryover effects in the most abundant Arctic seabird, the little auk Alle alle. Winter Hg contamination of birds from an East Greenland population was inferred from head feather concentrations. Birds tracked with Global Location Sensors (GLS, N = 28 of the total 92) spent the winter in western and central North Atlantic waters and had increasing head feather Hg concentrations with increasing longitude (i.e., eastward). This spatial pattern was not predicted by environmental variables such as bathymetry, sea-surface temperature or productivity, and needs further investigation. Hg concentrations in head feathers and blood were strongly correlated, suggesting a carryover effect of adult winter contamination on the consequent summer concentrations. Head feather Hg concentrations had no clear association with telomere length, a robust fitness indicator. In contrast, carryover negative effects were detected on chick health, as parental Hg contamination in winter was associated with decreasing growth rate of chicks in summer. Head feather Hg concentrations of females were not associated with egg membrane Hg concentrations, or with egg volume. In addition, parental winter Hg contamination was not related to Hg burdens in chicks' body feathers. Therefore, we hypothesise that the association between parental winter Hg exposure and the growth of their chick results from an Hg-related decrease in parental care, and needs further empirical evidence. Our results stress the need of considering parental contamination on non-breeding sites to understand Hg trans-generational effects in migrating seabirds, even at low concentrations.
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Affiliation(s)
- Alice Carravieri
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS- La Rochelle Université, 2 rue Olympe de Gouges, 17000, La Rochelle, France; Centre d'Etudes Biologiques de Chizé (CEBC), UMR 7372 CNRS-La Rochelle Université, 405 Rte de Prissé la Charrière, 79360, Villiers-en-Bois, France.
| | - Sophie Lorioux
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS- La Rochelle Université, 2 rue Olympe de Gouges, 17000, La Rochelle, France
| | - Frédéric Angelier
- Centre d'Etudes Biologiques de Chizé (CEBC), UMR 7372 CNRS-La Rochelle Université, 405 Rte de Prissé la Charrière, 79360, Villiers-en-Bois, France
| | - Olivier Chastel
- Centre d'Etudes Biologiques de Chizé (CEBC), UMR 7372 CNRS-La Rochelle Université, 405 Rte de Prissé la Charrière, 79360, Villiers-en-Bois, France
| | - Céline Albert
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS- La Rochelle Université, 2 rue Olympe de Gouges, 17000, La Rochelle, France
| | - Vegard Sandøy Bråthen
- Norwegian Institute for Nature Research (NINA), Postboks 5685, Torgarden 7485 Trondheim, Norway
| | - Émile Brisson-Curadeau
- Centre d'Etudes Biologiques de Chizé (CEBC), UMR 7372 CNRS-La Rochelle Université, 405 Rte de Prissé la Charrière, 79360, Villiers-en-Bois, France; Université McGill, 21111 Lakeshore Road, Sainte-Anne-de-Bellevue, Quebec, H9X 3V9, Canada
| | - Manon Clairbaux
- MaREI, the SFI Research Centre for Energy, Climate and Marine, Beaufort Building, Environmental Research Institute, University College Cork, Ringaskiddy, Co. Cork, P43 C573, Ireland; School of Biological, Environmental and Earth Sciences, University College Cork, Cork, T23 N73K, Ireland
| | - Karine Delord
- Centre d'Etudes Biologiques de Chizé (CEBC), UMR 7372 CNRS-La Rochelle Université, 405 Rte de Prissé la Charrière, 79360, Villiers-en-Bois, France
| | - Mathieu Giraudeau
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS- La Rochelle Université, 2 rue Olympe de Gouges, 17000, La Rochelle, France
| | - Samuel Perret
- CEFE, Univ Montpellier, CNRS, EPHE, IRD, Montpellier, France
| | - Timothée Poupart
- Patrimoine Naturel Joint Unit (OFB-CNRS-MNHN), Muséum national d'Histoire naturelle, Station marine de Concarneau, Quai de la Croix, 29900 Concarneau, France
| | - Cécile Ribout
- Centre d'Etudes Biologiques de Chizé (CEBC), UMR 7372 CNRS-La Rochelle Université, 405 Rte de Prissé la Charrière, 79360, Villiers-en-Bois, France
| | - Amélia Viricel-Pante
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS- La Rochelle Université, 2 rue Olympe de Gouges, 17000, La Rochelle, France; LEMAR (UMR 6539 UBO, CNRS, IRD, Ifremer) IUEM, Technopole Brest-Iroise, rue Dumont d'Urville, 29280 Plouzané, France
| | - David Grémillet
- CEFE, Univ Montpellier, CNRS, EPHE, IRD, Montpellier, France; Percy FitzPatrick Institute of African Ornithology, University of Cape Town, Rondebosch, South Africa
| | - Paco Bustamante
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS- La Rochelle Université, 2 rue Olympe de Gouges, 17000, La Rochelle, France; Institut Universitaire de France (IUF), 1 rue Descartes 75005, Paris, France
| | - Jérôme Fort
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS- La Rochelle Université, 2 rue Olympe de Gouges, 17000, La Rochelle, France
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14
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Handley JM, Harte E, Stanworth A, Poncet S, Catry P, Cleminson S, Crofts S, Dias M. Progressing delineations of key biodiversity areas for seabirds, and their application to management of coastal seas. DIVERS DISTRIB 2023. [DOI: 10.1111/ddi.13651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Affiliation(s)
| | - Emma Harte
- Falklands Conservation Stanley Falkland (Malvinas) Islands UK
| | | | - Sally Poncet
- The Antarctic Research Trust Stanley Falkland (Malvinas) Islands UK
| | - Paulo Catry
- MARE – Marine and Environmental Sciences Centre ISPA – Instituto Universitário Lisbon Portugal
| | - Sacha Cleminson
- RSPB Centre for Conservation Science Royal Society for the Protection of Birds Sandy UK
| | - Sarah Crofts
- Falklands Conservation Stanley Falkland (Malvinas) Islands UK
| | - Maria Dias
- BirdLife International Cambridge UK
- MARE – Marine and Environmental Sciences Centre ISPA – Instituto Universitário Lisbon Portugal
- Centre for Ecology, Evolution and Environmental Changes (cE3c) Faculdade de Ciências da Universidade de Lisboa Lisbon Portugal
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15
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Patterson A, Gilchrist HG, Robertson GJ, Hedd A, Fifield DA, Elliott KH. Behavioural flexibility in an Arctic seabird using two distinct marine habitats to survive the energetic constraints of winter. MOVEMENT ECOLOGY 2022; 10:45. [PMID: 36329536 PMCID: PMC9635182 DOI: 10.1186/s40462-022-00344-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 10/24/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND Homeothermic marine animals in Polar Regions face an energetic bottleneck in winter. The challenges of short days and cold temperatures are exacerbated for flying seabirds with small body size and limited fat stores. We use biologging approaches to examine how habitat, weather, and moon illumination influence behaviour and energetics of a marine bird species, thick-billed murres (Uria lomvia). METHODS We used temperature-depth-light recorders to examine strategies murres use to survive winter in the Northwest Atlantic, where contrasting currents create two distinct marine habitats: cold (-0.1 ± 1.2 °C), shallower water along the Labrador Shelf and warmer (3.1 ± 0.3 °C), deep water in the Labrador Basin. RESULTS In the cold shelf water, murres used a high-energy strategy, with more flying and less diving each day, resulting in high daily energy expenditure and also high apparent energy intake; this strategy was most evident in early winter when day lengths were shortest. By contrast, murres in warmer basin water employed a low-energy strategy, with less time flying and more time diving under low light conditions (nautical twilight and night). In warmer basin water, murres increased diving at night when the moon was more illuminated, likely taking advantage of diel vertically migrating prey. In warmer basin water, murres dove more at night and foraging efficiency increased under negative North Atlantic Oscillation (calmer ocean conditions). CONCLUSIONS The proximity of two distinct marine habitats in this region allows individuals from a single species to use dual (low-energy/high-energy) strategies to overcome winter energy bottlenecks.
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Affiliation(s)
- Allison Patterson
- Department of Natural Resource Sciences, McGill University, Ste Anne-de-Bellevue, QC, H9X 3V9, Canada.
| | - H Grant Gilchrist
- Environment and Climate Change Canada, National Wildlife Research Centre, 1125 Colonel By Drive, Raven Road, Ottawa, ON, K1A OH3, Canada
| | - Gregory J Robertson
- Wildlife Research Division, Environment and Climate Change Canada, 6 Bruce Street, Mount Pearl, NL, A1N 4T3, Canada
| | - April Hedd
- Wildlife Research Division, Environment and Climate Change Canada, 6 Bruce Street, Mount Pearl, NL, A1N 4T3, Canada
| | - David A Fifield
- Wildlife Research Division, Environment and Climate Change Canada, 6 Bruce Street, Mount Pearl, NL, A1N 4T3, Canada
| | - Kyle H Elliott
- Department of Natural Resource Sciences, McGill University, Ste Anne-de-Bellevue, QC, H9X 3V9, Canada
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16
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Morera‐Pujol V, Catry P, Magalhães M, Péron C, Reyes‐González JM, Granadeiro JP, Militão T, Dias MP, Oro D, Dell'Omo G, Müller M, Paiva VH, Metzger B, Neves V, Navarro J, Karris G, Xirouchakis S, Cecere JG, Zamora‐López A, Forero MG, Ouni R, Romdhane MS, De Felipe F, Zajková Z, Cruz‐Flores M, Grémillet D, González‐Solís J, Ramos R. Methods to detect spatial biases in tracking studies caused by differential representativeness of individuals, populations and time. DIVERS DISTRIB 2022. [DOI: 10.1111/ddi.13642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Affiliation(s)
- Virginia Morera‐Pujol
- Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals, Facultat de Biologia Universitat de Barcelona (UB) Barcelona Spain
- Institut de Recerca de la Biodiversitat (IRBio) Universitat de Barcelona (UB) Barcelona Spain
| | - Paulo Catry
- MARE ‐ Marine and Environmental Sciences Centre ISPA‐Instituto Universitário Lisbon Portugal
| | - Maria Magalhães
- Regional Secretariat for the Sea, Science and Technology Regional Directorate for Sea Affairs (DRAM) Horta Portugal
| | - Clara Péron
- Laboratoire de Biologie des Organismes et Ecosystèmes Aquatiques (UMR BOREA) MNHN, CNRS, IRD, SU, UCN, UA Paris France
| | - José Manuel Reyes‐González
- Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals, Facultat de Biologia Universitat de Barcelona (UB) Barcelona Spain
- Institut de Recerca de la Biodiversitat (IRBio) Universitat de Barcelona (UB) Barcelona Spain
| | - José Pedro Granadeiro
- Departamento de Biologia Animal, CESAM, Faculdade de Ciências Universidade de Lisboa Lisboa Portugal
| | - Teresa Militão
- Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals, Facultat de Biologia Universitat de Barcelona (UB) Barcelona Spain
- Institut de Recerca de la Biodiversitat (IRBio) Universitat de Barcelona (UB) Barcelona Spain
| | - Maria P. Dias
- Centre for Ecology, Evolution and Environmental Changes (cE3c) & CHANGE (Global Change and Sustainability Institute). Departamento de Biologia Animal Faculdade de Ciências da Universidade de Lisboa Lisboa Portugal
| | - Daniel Oro
- Centre d'Estudis Avançats de Blanes (CSIC) Blanes Spain
- IMEDEA (CSIC‐UIB) Esporles Spain
| | | | - Martina Müller
- Department of Natural Resources Science University of Rhode Island Kingston Rhode Island USA
| | - Vitor H. Paiva
- Department of Life Sciences, MARE ‐ Marine and Environmental Sciences Centre/ARNET ‐ Aquatic Research Network University of Coimbra Coimbra Portugal
| | | | - Verónica Neves
- Institute of Marine Sciences ‐ Okeanos University of the Azores Horta Portugal
| | - Joan Navarro
- Institut de Ciències del Mar CSIC Barcelona Spain
| | - Georgios Karris
- Department of Environment, Faculty of Environment Ionian University Zakinthos Greece
| | - Stavros Xirouchakis
- Natural History Museum of Crete, University Campus (Knossos). School of Sciences & Engineering University of Crete Crete Greece
| | - Jacopo G. Cecere
- Area per l'Avifauna Migratrice (BIO‐AVM) Istituto Superiore per la Protezione e la Ricerca Ambientale (ISPRA) Ozzano Emilia Italy
| | - Antonio Zamora‐López
- Southeast Naturalists Association (ANSE) Murcia Spain
- Department of Zoology and Physical Anthropology University of Murcia, Espinardo Campus Murcia Spain
| | | | - Ridha Ouni
- Faculté des Sciences Mathématiques, Physiques et Naturelles de Tunis (FST), Université de Tunis El Manar Tunis Tunisia
| | | | - Fernanda De Felipe
- Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals, Facultat de Biologia Universitat de Barcelona (UB) Barcelona Spain
- Institut de Recerca de la Biodiversitat (IRBio) Universitat de Barcelona (UB) Barcelona Spain
| | - Zuzana Zajková
- Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals, Facultat de Biologia Universitat de Barcelona (UB) Barcelona Spain
- Institut de Recerca de la Biodiversitat (IRBio) Universitat de Barcelona (UB) Barcelona Spain
- Centre d'Estudis Avançats de Blanes (CSIC) Blanes Spain
| | - Marta Cruz‐Flores
- Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals, Facultat de Biologia Universitat de Barcelona (UB) Barcelona Spain
- Institut de Recerca de la Biodiversitat (IRBio) Universitat de Barcelona (UB) Barcelona Spain
| | - David Grémillet
- Centre d'Ecologie Fonctionnelle et Evolutive (CEFE), UMR 5175, CNRS, EPHE, IRD Université La Rochelle Montpellier France
- Percy Fitzpatrick Institute of African Ornithology NRF‐DST Centre of Excellence, University of Cape Town Rondebosch South Africa
| | - Jacob González‐Solís
- Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals, Facultat de Biologia Universitat de Barcelona (UB) Barcelona Spain
- Institut de Recerca de la Biodiversitat (IRBio) Universitat de Barcelona (UB) Barcelona Spain
| | - Raül Ramos
- Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals, Facultat de Biologia Universitat de Barcelona (UB) Barcelona Spain
- Institut de Recerca de la Biodiversitat (IRBio) Universitat de Barcelona (UB) Barcelona Spain
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17
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Transatlantic spread of highly pathogenic avian influenza H5N1 by wild birds from Europe to North America in 2021. Sci Rep 2022; 12:11729. [PMID: 35821511 PMCID: PMC9276711 DOI: 10.1038/s41598-022-13447-z] [Citation(s) in RCA: 112] [Impact Index Per Article: 56.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 05/16/2022] [Indexed: 11/09/2022] Open
Abstract
Highly pathogenic avian influenza (HPAI) viruses of the A/Goose/Guangdong/1/1996 lineage (GsGd), which threaten the health of poultry, wildlife and humans, are spreading across Asia, Europe, Africa and North America but are currently absent from South America and Oceania. In December 2021, H5N1 HPAI viruses were detected in poultry and a free-living gull in St. John's, Newfoundland and Labrador, Canada. Our phylogenetic analysis showed that these viruses were most closely related to HPAI GsGd viruses circulating in northwestern Europe in spring 2021. Our analysis of wild bird migration suggested that these viruses may have been carried across the Atlantic via Iceland, Greenland/Arctic or pelagic routes. The here documented incursion of HPAI GsGd viruses into North America raises concern for further virus spread across the Americas by wild bird migration.
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18
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Variation in migration behaviors used by Arctic Terns (Sterna paradisaea) breeding across a wide latitudinal gradient. Polar Biol 2022. [DOI: 10.1007/s00300-022-03043-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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19
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Costa-Pereira R, Moll RJ, Jesmer BR, Jetz W. Animal tracking moves community ecology: Opportunities and challenges. J Anim Ecol 2022; 91:1334-1344. [PMID: 35388473 DOI: 10.1111/1365-2656.13698] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 03/27/2022] [Indexed: 11/28/2022]
Abstract
1. Individual decisions regarding how, why, and when organisms interact with one another and with their environment scale up to shape patterns and processes in communities. Recent evidence has firmly established the prevalence of intraspecific variation in nature and its relevance in community ecology, yet challenges associated with collecting data on large numbers of individual conspecifics and heterospecifics has hampered integration of individual variation into community ecology. 2. Nevertheless, recent technological and statistical advances in GPS-tracking, remote sensing, and behavioral ecology offer a toolbox for integrating intraspecific variation into community processes. More than simply describing where organisms go, movement data provide unique information about interactions and environmental associations from which a true individual-to-community framework can be built. 3. By linking the movement paths of both conspecifics and heterospecifics with environmental data, ecologists can now simultaneously quantify intra- and interspecific variation regarding the Eltonian (biotic interactions) and Grinnellian (environmental conditions) factors underpinning community assemblage and dynamics, yet substantial logistical and analytical challenges must be addressed for these approaches to realize their full potential. 4. Across communities, empirical integration of Eltonian and Grinnellian factors can support conservation applications and reveal metacommunity dynamics via tracking-based dispersal data. As the logistical and analytical challenges associated with multi-species tracking are surmounted, we envision a future where individual movements and their ecological and environmental signatures will bring resolution to many enduring issues in community ecology.
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Affiliation(s)
- Raul Costa-Pereira
- Departamento de Biologia Animal, Instituto de Biociências, Universidade Estadual de Campinas, Brazil
| | - Remington J Moll
- Department of Natural Resources and the Environment, University of New Hampshire, 56 College Road, Durham, NH 03824, USA
| | - Brett R Jesmer
- Department of Fish and Wildlife Conservation, Virginia Tech, Blacksburg, VA 24061, USA.,Department of Ecology and Evolutionary Biology, Yale University, 165 Prospect St., New Haven, CT 06520, USA.,Center for Biodiversity and Global Change, Yale University, 165 Prospect St., New Haven, CT 06520, USA
| | - Walter Jetz
- Department of Ecology and Evolutionary Biology, Yale University, 165 Prospect St., New Haven, CT 06520, USA.,Center for Biodiversity and Global Change, Yale University, 165 Prospect St., New Haven, CT 06520, USA
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20
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Matthiopoulos J, Wakefield E, Jeglinski JWE, Furness RW, Trinder M, Tyler G, Mccluskie A, Allen S, Braithwaite J, Evans T. Integrated modelling of seabird‐habitat associations from multi‐platform data: A review. J Appl Ecol 2022. [DOI: 10.1111/1365-2664.14114] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jason Matthiopoulos
- Institute of Biodiversity, Animal Health & Comparative Medicine College of Medical, Veterinary & Life Sciences, Graham Kerr Building, University of Glasgow Glasgow Scotland
- MacArthur Green Glasgow Scotland
| | - Ewan Wakefield
- Institute of Biodiversity, Animal Health & Comparative Medicine College of Medical, Veterinary & Life Sciences, Graham Kerr Building, University of Glasgow Glasgow Scotland
| | - Jana W. E. Jeglinski
- Institute of Biodiversity, Animal Health & Comparative Medicine College of Medical, Veterinary & Life Sciences, Graham Kerr Building, University of Glasgow Glasgow Scotland
| | | | | | | | - Aly Mccluskie
- RSPB Centre for Conservation Science RSPB, Etive House, Beechwood Park Inverness Scotland
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21
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Harrison A, Woodard PF, Mallory ML, Rausch J. Sympatrically breeding congeneric seabirds ( Stercorarius spp.) from Arctic Canada migrate to four oceans. Ecol Evol 2022; 12:e8451. [PMID: 35127008 PMCID: PMC8794761 DOI: 10.1002/ece3.8451] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 11/23/2021] [Accepted: 11/29/2021] [Indexed: 11/06/2022] Open
Abstract
Polar systems of avian migration remain unpredictable. For seabirds nesting in the Nearctic, it is often difficult to predict which of the world's oceans birds will migrate to after breeding. Here, we report on three related seabird species that migrated across four oceans following sympatric breeding at a central Canadian high Arctic nesting location. Using telemetry, we tracked pomarine jaeger (Stercorarius pomarinus, n = 1) across the Arctic Ocean to the western Pacific Ocean; parasitic jaeger (S. parasiticus, n = 4) to the western Atlantic Ocean, and long-tailed jaeger (S. longicaudus, n = 2) to the eastern Atlantic Ocean and western Indian Ocean. We also report on extensive nomadic movements over ocean during the postbreeding period (19,002 km) and over land and ocean during the prebreeding period (5578 km) by pomarine jaeger, an irruptive species whose full migrations and nomadic behavior have been a mystery. While the small sample sizes in our study limit the ability to make generalizable inferences, our results provide a key input to the knowledge of jaeger migrations. Understanding the routes and migratory divides of birds nesting in the Arctic region has implications for understanding both the glacial refugia of the past and the Anthropocene-driven changes in the future.
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Affiliation(s)
- Autumn‐Lynn Harrison
- Migratory Bird CenterSmithsonian Conservation Biology Institute, National Zoological ParkWashingtonDistrict of ColumbiaUSA
| | - Paul F. Woodard
- Canadian Wildlife Service, Northern RegionYellowknifeNTCanada
| | | | - Jennie Rausch
- Canadian Wildlife Service, Northern RegionYellowknifeNTCanada
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22
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Jones DC, Ceia FR, Murphy E, Delord K, Furness RW, Verdy A, Mazloff M, Phillips RA, Sagar PM, Sallée JB, Schreiber B, Thompson DR, Torres LG, Underwood PJ, Weimerskirch H, Xavier JC. Untangling local and remote influences in two major petrel habitats in the oligotrophic Southern Ocean. GLOBAL CHANGE BIOLOGY 2021; 27:5773-5785. [PMID: 34386992 DOI: 10.1111/gcb.15839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 07/29/2021] [Accepted: 08/02/2021] [Indexed: 06/13/2023]
Abstract
Ocean circulation connects geographically distinct ecosystems across a wide range of spatial and temporal scales via exchanges of physical and biogeochemical properties. Remote oceanographic processes can be especially important for ecosystems in the Southern Ocean, where the Antarctic Circumpolar Current transports properties across ocean basins through both advection and mixing. Recent tracking studies have indicated the existence of two large-scale, open ocean habitats in the Southern Ocean used by grey petrels (Procellaria cinerea) from two populations (i.e., Kerguelen and Antipodes islands) during their nonbreeding season for extended periods during austral summer (i.e., October to February). In this work, we use a novel combination of large-scale oceanographic observations, surface drifter data, satellite-derived primary productivity, numerical adjoint sensitivity experiments, and output from a biogeochemical state estimate to examine local and remote influences on these grey petrel habitats. Our aim is to understand the oceanographic features that control these isolated foraging areas and to evaluate their ecological value as oligotrophic open ocean habitats. We estimate the minimum local primary productivity required to support these populations to be much <1% of the estimated local primary productivity. The region in the southeast Indian Ocean used by the birds from Kerguelen is connected by circulation to the productive Kerguelen shelf. In contrast, the region in the south-central Pacific Ocean used by seabirds from the Antipodes is relatively isolated suggesting it is more influenced by local factors or the cumulative effects of many seasonal cycles. This work exemplifies the potential use of predator distributions and oceanographic data to highlight areas of the open ocean that may be more dynamic and productive than previously thought. Our results highlight the need to consider advective connections between ecosystems in the Southern Ocean and to re-evaluate the ecological relevance of oligotrophic Southern Ocean regions from a conservation perspective.
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Affiliation(s)
- Daniel C Jones
- British Antarctic Survey, Natural Environment Research Council, Cambridge, UK
| | - Filipe R Ceia
- Department of Life Sciences, Marine and Environmental Sciences Centre, University of Coimbra, Coimbra, Portugal
| | - Eugene Murphy
- British Antarctic Survey, Natural Environment Research Council, Cambridge, UK
| | - Karine Delord
- Centre d'Etudes Biologiques de Chizé, UMR 7372 du CNRS-La Rochelle Université, Villiers-en-Bois, France
| | - Robert W Furness
- Institute of Biodiversity Animal Health and Comparative Medicine, University of Glasgow, Glasgow, UK
| | - Ariane Verdy
- Scripps Institution of Oceanography, UCSD, San Diego, California, USA
| | - Matthew Mazloff
- Scripps Institution of Oceanography, UCSD, San Diego, California, USA
| | - Richard A Phillips
- British Antarctic Survey, Natural Environment Research Council, Cambridge, UK
| | - Paul M Sagar
- National Institute of Water and Atmospheric Research Ltd, Christchurch, New Zealand
| | | | - Ben Schreiber
- British Antarctic Survey, Natural Environment Research Council, Cambridge, UK
- Centre for Mathematical Sciences, University of Cambridge, Cambridge, UK
| | - David R Thompson
- National Institute of Water and Atmospheric Research Ltd, Wellington, New Zealand
| | - Leigh G Torres
- Geospatial Ecology of Marine Megafauna Lab, Department of Fisheries and Wildlife, Marine Mammal Institute, Oregon State University, Corvallis, Oregon, USA
| | - Philip J Underwood
- British Antarctic Survey, Natural Environment Research Council, Cambridge, UK
| | - Henri Weimerskirch
- Centre d'Etudes Biologiques de Chizé, UMR 7372 du CNRS-La Rochelle Université, Villiers-en-Bois, France
| | - José C Xavier
- British Antarctic Survey, Natural Environment Research Council, Cambridge, UK
- Department of Life Sciences, Marine and Environmental Sciences Centre, University of Coimbra, Coimbra, Portugal
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23
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Davies TE, Carneiro APB, Campos B, Hazin C, Dunn DC, Gjerde KM, Johnson DE, Dias MP. Tracking data and the conservation of the high seas: Opportunities and challenges. J Appl Ecol 2021. [DOI: 10.1111/1365-2664.14032] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
| | | | | | | | - Daniel C. Dunn
- Centre for Biodiversity and Conservation Science School of Earth and Environmental Science University of Queensland St Lucia QLD Australia
| | | | | | - Maria P. Dias
- BirdLife International Cambridge UK
- ISPA—Instituto Universitário MARE—Marine and Environmental Sciences Centre Lisboa Portugal
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