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English HM, Börger L, Kane A, Ciuti S. Advances in biologging can identify nuanced energetic costs and gains in predators. MOVEMENT ECOLOGY 2024; 12:7. [PMID: 38254232 PMCID: PMC10802026 DOI: 10.1186/s40462-024-00448-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: 06/05/2023] [Accepted: 01/08/2024] [Indexed: 01/24/2024]
Abstract
Foraging is a key driver of animal movement patterns, with specific challenges for predators which must search for mobile prey. These patterns are increasingly impacted by global changes, principally in land use and climate. Understanding the degree of flexibility in predator foraging and social strategies is pertinent to wildlife conservation under global change, including potential top-down effects on wider ecosystems. Here we propose key future research directions to better understand foraging strategies and social flexibility in predators. In particular, rapid continued advances in biologging technology are helping to record and understand dynamic behavioural and movement responses of animals to environmental changes, and their energetic consequences. Data collection can be optimised by calibrating behavioural interpretation methods in captive settings and strategic tagging decisions within and between social groups. Importantly, many species' social systems are increasingly being found to be more flexible than originally described in the literature, which may be more readily detectable through biologging approaches than behavioural observation. Integrating the effects of the physical landscape and biotic interactions will be key to explaining and predicting animal movements and energetic balance in a changing world.
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Affiliation(s)
- Holly M English
- School of Biology and Environmental Science, University College Dublin, Belfield, Dublin, Ireland.
| | - Luca Börger
- Department of Biosciences, Swansea University, Swansea, UK
| | - Adam Kane
- School of Biology and Environmental Science, University College Dublin, Belfield, Dublin, Ireland
| | - Simone Ciuti
- School of Biology and Environmental Science, University College Dublin, Belfield, Dublin, Ireland
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2
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Grunst ML, Grunst AS, Grémillet D, Fort J. Combined threats of climate change and contaminant exposure through the lens of bioenergetics. GLOBAL CHANGE BIOLOGY 2023; 29:5139-5168. [PMID: 37381110 DOI: 10.1111/gcb.16822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Accepted: 05/17/2023] [Indexed: 06/30/2023]
Abstract
Organisms face energetic challenges of climate change in combination with suites of natural and anthropogenic stressors. In particular, chemical contaminant exposure has neurotoxic, endocrine-disrupting, and behavioral effects which may additively or interactively combine with challenges associated with climate change. We used a literature review across animal taxa and contaminant classes, but focused on Arctic endotherms and contaminants important in Arctic ecosystems, to demonstrate potential for interactive effects across five bioenergetic domains: (1) energy supply, (2) energy demand, (3) energy storage, (4) energy allocation tradeoffs, and (5) energy management strategies; and involving four climate change-sensitive environmental stressors: changes in resource availability, temperature, predation risk, and parasitism. Identified examples included relatively equal numbers of synergistic and antagonistic interactions. Synergies are often suggested to be particularly problematic, since they magnify biological effects. However, we emphasize that antagonistic effects on bioenergetic traits can be equally problematic, since they can reflect dampening of beneficial responses and result in negative synergistic effects on fitness. Our review also highlights that empirical demonstrations remain limited, especially in endotherms. Elucidating the nature of climate change-by-contaminant interactive effects on bioenergetic traits will build toward determining overall outcomes for energy balance and fitness. Progressing to determine critical species, life stages, and target areas in which transformative effects arise will aid in forecasting broad-scale bioenergetic outcomes under global change scenarios.
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Affiliation(s)
- Melissa L Grunst
- Littoral, Environnement et Sociétés (LIENSs), UMR 7266 CNRS-La Rochelle Université, La Rochelle, France
| | - Andrea S Grunst
- Littoral, Environnement et Sociétés (LIENSs), UMR 7266 CNRS-La Rochelle Université, La Rochelle, France
| | - David Grémillet
- CEFE, Univ Montpellier, CNRS, EPHE, IRD, Montpellier, France
- Percy FitzPatrick Institute of African Ornithology, University of Cape Town, Rondebosch, South Africa
| | - Jérôme Fort
- Littoral, Environnement et Sociétés (LIENSs), UMR 7266 CNRS-La Rochelle Université, La Rochelle, France
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3
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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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Ewart H, Tickle P, Nudds R, Sellers W, Crossley D, Codd J. Mediterranean Spur-Thighed Tortoises (Testudo graeca) Have Optimal Speeds at Which They Can Minimise the Metabolic Cost of Transport, on a Treadmill. BIOLOGY 2022; 11:biology11071052. [PMID: 36101430 PMCID: PMC9312080 DOI: 10.3390/biology11071052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 06/29/2022] [Accepted: 07/07/2022] [Indexed: 11/25/2022]
Abstract
Simple Summary Understanding the energy that animals use to move around is important, as it can shed light on how they make decisions about where and how to locomote. Tortoises are unique among vertebrates in having a shell, which influences almost all aspects of their biology. Here, we experimentally quantified the metabolic cost of transport in Mediterranean spur-thighed tortoises walking on a treadmill while also quantifying the kinematics of their movement. We found, in line with previous studies, that tortoises move more efficiently than predicted and present the first data demonstrating a curvilinear cost of transport over their speed range. We conclude that tortoises have an optimum speed at which they move to minimise their metabolic cost of locomotion. Abstract Tortoises are famed for their slow locomotion, which is in part related to their herbivorous diet and the constraints imposed by their protective shells. For most animals, the metabolic cost of transport (CoT) is close to the value predicted for their body mass. Testudines appear to be an exception to this rule, as previous studies indicate that, for their body mass, they are economical walkers. The metabolic efficiency of their terrestrial locomotion is explainable by their walking gait biomechanics and the specialisation of their limb muscle physiology, which embodies a predominance of energy-efficient slow-twitch type I muscle fibres. However, there are only two published experimental reports of the energetics of locomotion in tortoises, and these data show high variability. Here, Mediterranean spur-thighed tortoises (Testudo graeca) were trained to walk on a treadmill. Open-flow respirometry and high-speed filming were simultaneously used to measure the metabolic cost of transport and to quantify limb kinematics, respectively. Our data support the low cost of transport previously reported and demonstrate a novel curvilinear relationship to speed in Testudines, suggesting tortoises have an energetically optimal speed range over which they can move in order to minimise the metabolic cost of transport.
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Affiliation(s)
- Heather Ewart
- School of Biological Sciences, University of Manchester, Manchester M13 9PL, UK; (H.E.); (R.N.)
| | - Peter Tickle
- School of Biomedical Sciences, University of Leeds, Leeds LS2 9JT, UK;
| | - Robert Nudds
- School of Biological Sciences, University of Manchester, Manchester M13 9PL, UK; (H.E.); (R.N.)
| | - William Sellers
- School of Natural Sciences, University of Manchester, Manchester M13 9PL, UK;
| | - Dane Crossley
- Department of Biological Sciences, University of North Texas, Denton, TX 76203-5017, USA;
| | - Jonathan Codd
- School of Biological Sciences, University of Manchester, Manchester M13 9PL, UK; (H.E.); (R.N.)
- Correspondence: ; Tel.: +44(0)-1612755474
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5
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Dunn RE, Green JA, Wanless S, Harris MP, Newell MA, Bogdanova MI, Horswill C, Daunt F, Matthiopoulos J. Modelling and mapping how common guillemots balance their energy budgets over a full annual cycle. Funct Ecol 2022. [DOI: 10.1111/1365-2435.14059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- R. E. Dunn
- School of Environmental Sciences University of Liverpool Liverpool UK
- Lancaster Environment Centre Lancaster University Lancaster UK
| | - J. A. Green
- School of Environmental Sciences University of Liverpool Liverpool UK
| | - S. Wanless
- UK Centre for Ecology & Hydrology, Bush Estate Penicuik UK
| | - M. P. Harris
- UK Centre for Ecology & Hydrology, Bush Estate Penicuik UK
| | - M. A. Newell
- UK Centre for Ecology & Hydrology, Bush Estate Penicuik UK
| | | | - C. Horswill
- ZSL Institute of Zoology Regent’s Park London UK
- Centre for Biodiversity and Environmental Research, Department of Genetics, Evolution and Environment University College London Gower Street London UK
- Department of Zoology University of Cambridge Downing St Cambridge UK
| | - F. Daunt
- UK Centre for Ecology & Hydrology, Bush Estate Penicuik UK
| | - J. Matthiopoulos
- Institute of Biodiversity Animal Health & Comparative Medicine University of Glasgow Glasgow UK
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6
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Speakman CN, Hoskins AJ, Hindell MA, Costa DP, Hartog JR, Hobday AJ, Arnould JPY. Influence of environmental variation on spatial distribution and habitat-use in a benthic foraging marine predator. ROYAL SOCIETY OPEN SCIENCE 2021; 8:211052. [PMID: 34754503 PMCID: PMC8493206 DOI: 10.1098/rsos.211052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 09/13/2021] [Indexed: 06/13/2023]
Abstract
The highly dynamic nature of the marine environment can have a substantial influence on the foraging behaviour and spatial distribution of marine predators, particularly in pelagic marine systems. However, knowledge of the susceptibility of benthic marine predators to environmental variability is limited. This study investigated the influence of local-scale environmental conditions and large-scale climate indices on the spatial distribution and habitat use in the benthic foraging Australian fur seal (Arctocephalus pusillus doriferus; AUFS). Female AUFS provisioning pups were instrumented with GPS or ARGOS platform terminal transmitter tags during the austral winters of 2001-2019 at Kanowna Island, south-eastern Australia. Individuals were most susceptible to changes in the Southern Oscillation Index that measures the strength of the El Niño Southern Oscillation, with larger foraging ranges, greater distances travelled and more dispersed movement associated with 1-yr lagged La Niña-like conditions. Additionally, the total distance travelled was negatively correlated with the current year sea surface temperature and 1-yr lagged Indian Ocean Dipole, and positively correlated with 1-yr lagged chlorophyll-a concentration. These results suggest that environmental variation may influence the spatial distribution and availability of prey, even within benthic marine systems.
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Affiliation(s)
- Cassie N Speakman
- School of Life and Environmental Sciences, Deakin University, Burwood, Victoria, Australia
| | | | - Mark A Hindell
- Institute for Marine and Antarctic Studies, University of Tasmania, Hobart, Tasmania, Australia
| | - Daniel P Costa
- Ecology and Evolutionary Biology Department, University of California Santa Cruz, Santa Cruz, CA, USA
| | - Jason R Hartog
- CSIRO Oceans and Atmosphere, Hobart, Tasmania, Australia
| | | | - John P Y Arnould
- School of Life and Environmental Sciences, Deakin University, Burwood, Victoria, Australia
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Clairbaux M, Mathewson P, Porter W, Fort J, Strøm H, Moe B, Fauchald P, Descamps S, Helgason HH, Bråthen VS, Merkel B, Anker-Nilssen T, Bringsvor IS, Chastel O, Christensen-Dalsgaard S, Danielsen J, Daunt F, Dehnhard N, Erikstad KE, Ezhov A, Gavrilo M, Krasnov Y, Langset M, Lorentsen SH, Newell M, Olsen B, Reiertsen TK, Systad GH, Thórarinsson TL, Baran M, Diamond T, Fayet AL, Fitzsimmons MG, Frederiksen M, Gilchrist HG, Guilford T, Huffeldt NP, Jessopp M, Johansen KL, Kouwenberg AL, Linnebjerg JF, Major HL, Tranquilla LM, Mallory M, Merkel FR, Montevecchi W, Mosbech A, Petersen A, Grémillet D. North Atlantic winter cyclones starve seabirds. Curr Biol 2021; 31:3964-3971.e3. [PMID: 34520704 DOI: 10.1016/j.cub.2021.06.059] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 04/26/2021] [Accepted: 06/21/2021] [Indexed: 11/28/2022]
Abstract
Each winter, the North Atlantic Ocean is the stage for numerous cyclones, the most severe ones leading to seabird mass-mortality events called "winter wrecks."1-3 During these, thousands of emaciated seabird carcasses are washed ashore along European and North American coasts. Winter cyclones can therefore shape seabird population dynamics4,5 by affecting survival rates as well as the body condition of surviving individuals and thus their future reproduction. However, most often the geographic origins of impacted seabirds and the causes of their deaths remain unclear.6 We performed the first ocean-basin scale assessment of cyclone exposure in a seabird community by coupling winter tracking data for ∼1,500 individuals of five key North Atlantic seabird species (Alle alle, Fratercula arctica, Uria aalge, Uria lomvia, and Rissa tridactyla) and cyclone locations. We then explored the energetic consequences of different cyclonic conditions using a mechanistic bioenergetics model7 and tested the hypothesis that cyclones dramatically increase seabird energy requirements. We demonstrated that cyclones of high intensity impacted birds from all studied species and breeding colonies during winter but especially those aggregating in the Labrador Sea, the Davis Strait, the surroundings of Iceland, and the Barents Sea. Our broad-scale analyses suggested that cyclonic conditions do not increase seabird energy requirements, implying that they die because of the unavailability of their prey and/or their inability to feed during cyclones. Our study provides essential information on seabird cyclone exposure in a context of marked cyclone regime changes due to global warming.8.
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Affiliation(s)
- Manon Clairbaux
- CEFE, Univ Montpellier, CNRS, EPHE, IRD, Univ Paul Valéry Montpellier 3, Montpellier, France.
| | - Paul Mathewson
- Department of Integrative Biology, University of Wisconsin, Madison, WI, USA
| | - Warren Porter
- Department of Integrative Biology, University of Wisconsin, Madison, WI, USA
| | - Jérôme Fort
- Littoral, Environnement et Sociétés (LIENSs), UMR7266 CNRS - La Rochelle Université, 2 rue Olympe de Gouges, 17000 La Rochelle, France
| | - Hallvard Strøm
- Norwegian Polar Institute, Fram Centre, PO Box 6606 Langnes, 9296 Tromsø, Norway
| | - Børge Moe
- Norwegian Institute for Nature Research - NINA, PO Box 5685 Torgarden, 7485 Trondheim, Norway
| | - Per Fauchald
- Norwegian Institute for Nature Research - NINA, PO Box 5685 Torgarden, 7485 Trondheim, Norway
| | - Sebastien Descamps
- Norwegian Polar Institute, Fram Centre, PO Box 6606 Langnes, 9296 Tromsø, Norway
| | - Hálfdán H Helgason
- Norwegian Polar Institute, Fram Centre, PO Box 6606 Langnes, 9296 Tromsø, Norway
| | - Vegard S Bråthen
- Norwegian Institute for Nature Research - NINA, PO Box 5685 Torgarden, 7485 Trondheim, Norway
| | - Benjamin Merkel
- Akvaplan-niva AS, Fram Centre, PO Box 6606 Langnes, 9296 Tromsø, Norway
| | - Tycho Anker-Nilssen
- Norwegian Institute for Nature Research - NINA, PO Box 5685 Torgarden, 7485 Trondheim, Norway
| | - Ingar S Bringsvor
- Norwegian Ornithological Society, Sandgata 30 B, 7012 Trondheim, Norway
| | - Olivier Chastel
- Centre d'Etudes Biologiques de Chizé (CEBC), UMR 7372 CNRS/La Rochelle Univ, La Rochelle, France
| | | | - Jóhannis Danielsen
- Faroe Marine Research Institute, PO Box 3051, Nóatún 1, 110 Tórshavn, Faroe Islands
| | - Francis Daunt
- UK Centre for Ecology & Hydrology, Bush Estate, Penicuik EH26 0QB, UK
| | - Nina Dehnhard
- Norwegian Institute for Nature Research - NINA, PO Box 5685 Torgarden, 7485 Trondheim, Norway
| | - Kjell Einar Erikstad
- Norwegian Institute for Nature Research, Fram Centre, 9296 Tromsø, Norway; Centre for Biodiversity Dynamics, Department of Biology, Norwegian University of Science and Technology, 7491 Trondheim, Norway
| | - Alexey Ezhov
- Murmansk Marine Biological Institute, 17 Vladimirskaya Street, 183010 Murmansk, Russia
| | - Maria Gavrilo
- Association Maritime Heritage, Saint Petersburg, Russia; National Park Russian Arctic, 57 Sovetskikh Kosmonavtove Avenue, Archangelsk, Russia
| | - Yuri Krasnov
- Murmansk Marine Biological Institute, 17 Vladimirskaya Street, 183010 Murmansk, Russia
| | - Magdalene Langset
- Norwegian Institute for Nature Research - NINA, PO Box 5685 Torgarden, 7485 Trondheim, Norway
| | - Svein-H Lorentsen
- Norwegian Institute for Nature Research - NINA, PO Box 5685 Torgarden, 7485 Trondheim, Norway
| | - Mark Newell
- UK Centre for Ecology & Hydrology, Bush Estate, Penicuik EH26 0QB, UK
| | - Bergur Olsen
- Faroe Marine Research Institute, PO Box 3051, Nóatún 1, 110 Tórshavn, Faroe Islands
| | - Tone K Reiertsen
- Norwegian Institute for Nature Research, Fram Centre, 9296 Tromsø, Norway
| | - Geir Helge Systad
- Norwegian Institute for Nature Research - NINA, PO Box 5685 Torgarden, 7485 Trondheim, Norway
| | | | - Mark Baran
- Atlantic Laboratory for Avian Research, University of New Brunswick, PO Box 4400, Fredericton, NB E3B 5A3, Canada
| | - Tony Diamond
- Atlantic Laboratory for Avian Research, University of New Brunswick, PO Box 4400, Fredericton, NB E3B 5A3, Canada
| | - Annette L Fayet
- Department of Zoology, University of Oxford, 11a Mansfield Road, Oxford OX1 3SZ, UK
| | - Michelle G Fitzsimmons
- Wildlife Research Division, Environment and Climate Change Canada, 6 Bruce Street, Mount Pearl, NL A1N 4T3, Canada
| | - Morten Frederiksen
- Aarhus University, Department of Bioscience, Frederiksborgvej 399, 4000 Roskilde, Denmark
| | - Hugh G Gilchrist
- National Wildlife Research Centre, Environment and Climate Change Canada, Ottawa, ON, Canada
| | - Tim Guilford
- Department of Zoology, University of Oxford, 11a Mansfield Road, Oxford OX1 3SZ, UK
| | - Nicholas P Huffeldt
- Aarhus University, Department of Bioscience, Frederiksborgvej 399, 4000 Roskilde, Denmark; Greenland Institute of Natural Resources, Kivioq 2, 3900 Nuuk, Greenland
| | - Mark Jessopp
- School of Biological, Earth and Environmental Sciences, University College Cork, Distillery Field, North Mall, Cork, Ireland; MaREI Centre, Environmental Research Inst., Univ. College Cork, Cork, Ireland
| | - Kasper L Johansen
- Aarhus University, Department of Bioscience, Frederiksborgvej 399, 4000 Roskilde, Denmark
| | | | - Jannie F Linnebjerg
- Aarhus University, Department of Bioscience, Frederiksborgvej 399, 4000 Roskilde, Denmark
| | - Heather L Major
- Department of Biological Sciences, University of New Brunswick, PO Box 5050, Saint John, NB E2L 4L5, Canada
| | | | - Mark Mallory
- Biology, Acadia University, 15 University Avenue, Wolfville, NS B4P 2R6, Canada
| | - Flemming R Merkel
- Aarhus University, Department of Bioscience, Frederiksborgvej 399, 4000 Roskilde, Denmark
| | - William Montevecchi
- Psychology and Biology Departments, Memorial University of Newfoundland, St. John's, NL A1C 5S7, Canada
| | - Anders Mosbech
- Aarhus University, Department of Bioscience, Frederiksborgvej 399, 4000 Roskilde, Denmark
| | | | - David Grémillet
- Centre d'Etudes Biologiques de Chizé (CEBC), UMR 7372 CNRS/La Rochelle Univ, La Rochelle, France; Percy FitzPatrick Institute, DST/NRF Centre of Excellence, University of Cape Town, Rondebosch, South Africa.
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8
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Somveille M, Bay RA, Smith TB, Marra PP, Ruegg KC. A general theory of avian migratory connectivity. Ecol Lett 2021; 24:1848-1858. [PMID: 34173311 DOI: 10.1111/ele.13817] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 04/19/2021] [Accepted: 05/03/2021] [Indexed: 01/13/2023]
Abstract
Birds exhibit a remarkable array of seasonal migrations. Despite much research describing migratory behaviour, the underlying forces driving how a species' breeding and wintering populations redistribute each year, that is, migratory connectivity, remain largely unknown. Here, we test the hypothesis that birds migrate in a way that minimises energy expenditure while considering intraspecific competition for energy acquisition, by developing a modelling framework that simulates an optimal redistribution of individuals between breeding and wintering areas. Using 25 species across the Americas, we find that the model accurately predicts empirical migration patterns, and thus offers a general explanation for migratory connectivity based on first ecological and energetic principles. Our model provides a strong basis for exploring additional processes underlying the ecology and evolution of migration, but also a framework for predicting how migration impacts local adaptation across seasons and how environmental change may affect population dynamics in migratory species.
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Affiliation(s)
- Marius Somveille
- Department of Biology, Colorado State University, Fort Collins, CO, USA.,Centre for Biodiversity and Environment Research, Department of Genetics, Evolution and Environment, University College London, London, UK
| | - Rachael A Bay
- Department of Evolution and Ecology, University of California, Davis, CA, USA
| | - Thomas B Smith
- Center for Tropical Research, Institute for the Environment and Sustainability, University of California, Los Angeles, CA, USA.,Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA, USA
| | - Peter P Marra
- Department of Biology and McCourt School of Public Policy, Georgetown University, DC, USA
| | - Kristen C Ruegg
- Department of Biology, Colorado State University, Fort Collins, CO, USA
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9
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Papastamatiou YP, Iosilevskii G, Di Santo V, Huveneers C, Hattab T, Planes S, Ballesta L, Mourier J. Sharks surf the slope: Current updrafts reduce energy expenditure for aggregating marine predators. J Anim Ecol 2021; 90:2302-2314. [DOI: 10.1111/1365-2656.13536] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 05/14/2021] [Indexed: 12/01/2022]
Affiliation(s)
- Yannis P. Papastamatiou
- Institute of the Environment Department of Biological Sciences Florida International University North Miami FL USA
| | | | - Valentina Di Santo
- Division of Functional Morphology Department of Zoology Stockholm University Stockholm Sweden
| | - Charlie Huveneers
- College of Science and Engineering Flinders University Bedford Park South Australia Australia
| | - Tarek Hattab
- MARBECUniv MontpellierCNRSIFREMERIRD Sète France
| | - Serge Planes
- PSL Research UniversityEPHE‐UPVD‐CNRSUSR 3278 CRIOBE Perpignan France
- Laboratoire d'Excellence “CORAIL” USR 3278 CNRS‐EPHE‐UPVD CRIOBE Perpignan France
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10
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Masello JF, Barbosa A, Kato A, Mattern T, Medeiros R, Stockdale JE, Kümmel MN, Bustamante P, Belliure J, Benzal J, Colominas-Ciuró R, Menéndez-Blázquez J, Griep S, Goesmann A, Symondson WOC, Quillfeldt P. How animals distribute themselves in space: energy landscapes of Antarctic avian predators. MOVEMENT ECOLOGY 2021; 9:24. [PMID: 34001240 PMCID: PMC8127181 DOI: 10.1186/s40462-021-00255-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 03/17/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Energy landscapes provide an approach to the mechanistic basis of spatial ecology and decision-making in animals. This is based on the quantification of the variation in the energy costs of movements through a given environment, as well as how these costs vary in time and for different animal populations. Organisms as diverse as fish, mammals, and birds will move in areas of the energy landscape that result in minimised costs and maximised energy gain. Recently, energy landscapes have been used to link energy gain and variable energy costs of foraging to breeding success, revealing their potential use for understanding demographic changes. METHODS Using GPS-temperature-depth and tri-axial accelerometer loggers, stable isotope and molecular analyses of the diet, and leucocyte counts, we studied the response of gentoo (Pygoscelis papua) and chinstrap (Pygoscelis antarcticus) penguins to different energy landscapes and resources. We compared species and gentoo penguin populations with contrasting population trends. RESULTS Between populations, gentoo penguins from Livingston Island (Antarctica), a site with positive population trends, foraged in energy landscape sectors that implied lower foraging costs per energy gained compared with those around New Island (Falkland/Malvinas Islands; sub-Antarctic), a breeding site with fluctuating energy costs of foraging, breeding success and populations. Between species, chinstrap penguins foraged in sectors of the energy landscape with lower foraging costs per bottom time, a proxy for energy gain. They also showed lower physiological stress, as revealed by leucocyte counts, and higher breeding success than gentoo penguins. In terms of diet, we found a flexible foraging ecology in gentoo penguins but a narrow foraging niche for chinstraps. CONCLUSIONS The lower foraging costs incurred by the gentoo penguins from Livingston, may favour a higher breeding success that would explain the species' positive population trend in the Antarctic Peninsula. The lower foraging costs in chinstrap penguins may also explain their higher breeding success, compared to gentoos from Antarctica but not their negative population trend. Altogether, our results suggest a link between energy landscapes and breeding success mediated by the physiological condition.
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Affiliation(s)
- Juan F Masello
- Department of Animal Ecology & Systematics, Justus Liebig University Giessen, Heinrich-Buff-Ring 26, D-35392, Giessen, Germany.
| | - Andres Barbosa
- Department Ecología Evolutiva, Museo Nacional de Ciencias Naturales, CSIC, C/José Gutiérrez Abascal, 2, 28006, Madrid, Spain
| | - Akiko Kato
- Centre d'Etudes Biologiques de Chizé, UMR7372 CNRS-Université La Rochelle, 79360, Villiers en Bois, France
| | - Thomas Mattern
- Department of Animal Ecology & Systematics, Justus Liebig University Giessen, Heinrich-Buff-Ring 26, D-35392, Giessen, Germany
- New Zealand Penguin Initiative, PO Box 6319, Dunedin, 9022, New Zealand
| | - Renata Medeiros
- Cardiff School of Biosciences, Cardiff University, The Sir Martin Evans Building, Museum Av, Cardiff, CF10 3AX, UK
- Cardiff School of Dentistry, Heath Park, Cardiff, CF14 4XY, UK
| | - Jennifer E Stockdale
- Cardiff School of Biosciences, Cardiff University, The Sir Martin Evans Building, Museum Av, Cardiff, CF10 3AX, UK
| | - Marc N Kümmel
- Institute for Bioinformatics & Systems Biology, Justus Liebig University Giessen, Heinrich-Buff-Ring 58, D-35392, Giessen, Germany
| | - Paco Bustamante
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS-Université de La Rochelle, 17000, La Rochelle, France
- Institut Universitaire de France (IUF), 1 rue Descartes, 75005, Paris, France
| | - Josabel Belliure
- GLOCEE - Global Change Ecology and Evolution Group, Universidad de Alcalá, Madrid, Spain
| | - Jesús Benzal
- Estación Experimental de Zonas Áridas, CSIC, Almería, Spain
| | - Roger Colominas-Ciuró
- Department Ecología Evolutiva, Museo Nacional de Ciencias Naturales, CSIC, C/José Gutiérrez Abascal, 2, 28006, Madrid, Spain
| | - Javier Menéndez-Blázquez
- Department Ecología Evolutiva, Museo Nacional de Ciencias Naturales, CSIC, C/José Gutiérrez Abascal, 2, 28006, Madrid, Spain
| | - Sven Griep
- Institute for Bioinformatics & Systems Biology, Justus Liebig University Giessen, Heinrich-Buff-Ring 58, D-35392, Giessen, Germany
| | - Alexander Goesmann
- Institute for Bioinformatics & Systems Biology, Justus Liebig University Giessen, Heinrich-Buff-Ring 58, D-35392, Giessen, Germany
| | - William O C Symondson
- Cardiff School of Biosciences, Cardiff University, The Sir Martin Evans Building, Museum Av, Cardiff, CF10 3AX, UK
| | - Petra Quillfeldt
- Department of Animal Ecology & Systematics, Justus Liebig University Giessen, Heinrich-Buff-Ring 26, D-35392, Giessen, Germany
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11
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Clairbaux M, Cheung WWL, Mathewson P, Porter W, Courbin N, Fort J, Strøm H, Moe B, Fauchald P, Descamps S, Helgason H, Bråthen VS, Merkel B, Anker-Nilssen T, Bringsvor IS, Chastel O, Christensen-Dalsgaard S, Danielsen J, Daunt F, Dehnhard N, Erikstad KE, Ezhov A, Gavrilo M, Krasnov Y, Langset M, Lorentsen SH, Newell M, Olsen B, Reiertsen TK, Systad G, Þórarinsson ÞL, Baran M, Diamond T, Fayet AL, Fitzsimmons MG, Frederiksen M, Gilchrist GH, Guilford T, Huffeldt NP, Jessopp M, Johansen KL, Kouwenberg AL, Linnebjerg JF, McFarlane Tranquilla L, Mallory M, Merkel FR, Montevecchi W, Mosbech A, Petersen A, Grémillet D. Meeting Paris agreement objectives will temper seabird winter distribution shifts in the North Atlantic Ocean. GLOBAL CHANGE BIOLOGY 2021; 27:1457-1469. [PMID: 33347684 DOI: 10.1111/gcb.15497] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 10/28/2020] [Indexed: 06/12/2023]
Abstract
We explored the implications of reaching the Paris Agreement Objective of limiting global warming to <2°C for the future winter distribution of the North Atlantic seabird community. We predicted and quantified current and future winter habitats of five North Atlantic Ocean seabird species (Alle alle, Fratercula arctica, Uria aalge, Uria lomvia and Rissa tridactyla) using tracking data for ~1500 individuals through resource selection functions based on mechanistic modeling of seabird energy requirements, and a dynamic bioclimate envelope model of seabird prey. Future winter distributions were predicted to shift with climate change, especially when global warming exceed 2°C under a "no mitigation" scenario, modifying seabird wintering hotspots in the North Atlantic Ocean. Our findings suggest that meeting Paris agreement objectives will limit changes in seabird selected habitat location and size in the North Atlantic Ocean during the 21st century. We thereby provide key information for the design of adaptive marine-protected areas in a changing ocean.
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Affiliation(s)
- Manon Clairbaux
- CEFE, Univ Montpellier, CNRS, EPHE, IRD, Univ Paul Valéry Montpellier 3, Montpellier, France
| | - William W L Cheung
- Changing Ocean Research Unit, Institute for the Oceans and Fisheries, The University of British Columbia, Vancouver, BC, Canada
| | - Paul Mathewson
- Department of Integrative Biology, University of Wisconsin, Madison, WI, USA
| | - Warren Porter
- Department of Integrative Biology, University of Wisconsin, Madison, WI, USA
| | - Nicolas Courbin
- CEFE, Univ Montpellier, CNRS, EPHE, IRD, Univ Paul Valéry Montpellier 3, Montpellier, France
| | - Jérôme Fort
- Littoral, Environnement et Sociétés (LIENSs), UMR7266 CNRS - La Rochelle Université, La Rochelle, France
| | | | - Børge Moe
- Norwegian Institute for Nature Research - NINA, Trondheim, Norway
| | - Per Fauchald
- Norwegian Institute for Nature Research - NINA, Trondheim, Norway
| | | | | | - Vegard S Bråthen
- Norwegian Institute for Nature Research - NINA, Trondheim, Norway
| | | | | | | | - Olivier Chastel
- Centre d'Etudes Biologiques de Chizé (CEBC), UMR 7372 CNRS-Univ. La Rochelle, La Rochelle, France
| | | | | | | | - Nina Dehnhard
- Norwegian Institute for Nature Research - NINA, Trondheim, Norway
| | - Kjell-Einar Erikstad
- Norwegian Institute for Nature Research - NINA, Trondheim, Norway
- Centre for Biodiversity Dynamics, Department of Biology, Norwegian University of Science and Technology, Trondheim, Norway
| | - Alexeï Ezhov
- Murmansk Marine Biological Institute, Murmansk, Russia
| | - Maria Gavrilo
- Association Maritime Heritage, Saint Petersburg, Russia
- National Park Russian Arctic, Archangelsk, Russia
| | - Yuri Krasnov
- Murmansk Marine Biological Institute, Murmansk, Russia
| | | | | | - Mark Newell
- UK Centre for Ecology & Hydrology, Penicuik, UK
| | - Bergur Olsen
- Faroe Marine Research Institute, Tórshavn, Faroe Islands
| | | | - Geir Systad
- Norwegian Institute for Nature Research - NINA, Trondheim, Norway
| | | | - Mark Baran
- Atlantic Laboratory for Avian Research, University of New Brunswick, Fredericton, NB, Canada
| | - Tony Diamond
- Atlantic Laboratory for Avian Research, University of New Brunswick, Fredericton, NB, Canada
| | | | - Michelle G Fitzsimmons
- Wildlife Research Division, Environment and Climate Change Canada, Mount Pearl, NL, Canada
| | | | - Grant H Gilchrist
- Environment and Climate Change Canada, National Wildlife Research Centre, Ottawa, ON, Canada
| | - Tim Guilford
- Department of Zoology, University of Oxford, Oxford, UK
| | - Nicholas P Huffeldt
- Department of Bioscience, Aarhus University, Roskilde, Denmark
- Greenland Institute of Natural Resources, Nuuk, Greenland
| | - Mark Jessopp
- School of Biological, Earth and Environmental Sciences, University College Cork, Cork, Ireland
| | | | | | | | | | - Mark Mallory
- Biology, Acadia University, Wolfville, NS, Canada
| | | | - William Montevecchi
- Psychology and Biology Departments, Memorial University of Newfoundland, St. John's, NL, Canada
| | - Anders Mosbech
- Department of Bioscience, Aarhus University, Roskilde, Denmark
| | | | - David Grémillet
- Centre d'Etudes Biologiques de Chizé (CEBC), UMR 7372 CNRS-Univ. La Rochelle, La Rochelle, France
- Percy Fitz Patrick Institute, DST/NRF Centre of Excellence, University of Cape Town, Rondebosch, South Africa
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12
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Energetics as common currency for integrating high resolution activity patterns into dynamic energy budget-individual based models. Ecol Modell 2020. [DOI: 10.1016/j.ecolmodel.2020.109250] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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13
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Chimienti M, Blasi MF, Hochscheid S. Movement patterns of large juvenile loggerhead turtles in the Mediterranean Sea: Ontogenetic space use in a small ocean basin. Ecol Evol 2020; 10:6978-6992. [PMID: 32760506 PMCID: PMC7391346 DOI: 10.1002/ece3.6370] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 04/23/2020] [Accepted: 04/24/2020] [Indexed: 01/07/2023] Open
Abstract
Mechanisms that determine how, where, and when ontogenetic habitat shifts occur are mostly unknown in wild populations. Differences in size and environmental characteristics of ontogenetic habitats can lead to differences in movement patterns, behavior, habitat use, and spatial distributions across individuals of the same species. Knowledge of juvenile loggerhead turtles' dispersal, movements, and habitat use is largely unknown, especially in the Mediterranean Sea. Satellite relay data loggers were used to monitor movements, diving behavior, and water temperature of eleven large juvenile loggerhead turtles (Caretta caretta) deliberately caught in an oceanic habitat in the Mediterranean Sea. Hidden Markov models were used over 4,430 spatial locations to quantify the different activities performed by each individual: transit, low-, and high-intensity diving. Model results were then analyzed in relation to water temperature, bathymetry, and distance to the coast. The hidden Markov model differentiated between bouts of area-restricted search as low- and high-intensity diving, and transit movements. The turtles foraged in deep oceanic waters within 60 km from the coast as well as above 140 km from the coast. They used an average area of 194,802 km2, where most individuals used the deepest part of the Southern Tyrrhenian Sea with the highest seamounts, while only two switched to neritic foraging showing plasticity in foraging strategies among turtles of similar age classes. The foraging distribution of large juvenile loggerhead turtles, including some which were of the minimum size of adults, in the Tyrrhenian Sea is mainly concentrated in a relatively small oceanic area with predictable mesoscale oceanographic features, despite the proximity of suitable neritic foraging habitats. Our study highlights the importance of collecting high-resolution data about species distribution and behavior across different spatio-temporal scales and life stages for implementing conservation and dynamic ocean management actions.
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Affiliation(s)
- Marianna Chimienti
- Department of Bioscience - Arctic Ecosystem EcologyAarhus UniversityRoskildeDenmark
| | - Monica F. Blasi
- Filicudi WildLife ConservationStimpagnato FilicudiLipariItaliaItaly
| | - Sandra Hochscheid
- Stazione Zoologica Anton DohrnMarine Turtle Research CenterPorticiItaly
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14
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Pinsky ML, Selden RL, Kitchel ZJ. Climate-Driven Shifts in Marine Species Ranges: Scaling from Organisms to Communities. ANNUAL REVIEW OF MARINE SCIENCE 2020; 12:153-179. [PMID: 31505130 DOI: 10.1146/annurev-marine-010419-010916] [Citation(s) in RCA: 104] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
The geographic distributions of marine species are changing rapidly, with leading range edges following climate poleward, deeper, and in other directions and trailing range edges often contracting in similar directions. These shifts have their roots in fine-scale interactions between organisms and their environment-including mosaics and gradients of temperature and oxygen-mediated by physiology, behavior, evolution, dispersal, and species interactions. These shifts reassemble food webs and can have dramatic consequences. Compared with species on land, marine species are more sensitive to changing climate but have a greater capacity for colonization. These differences suggest that species cope with climate change at different spatial scales in the two realms and that range shifts across wide spatial scales are a key mechanism at sea. Additional research is needed to understand how processes interact to promote or constrain range shifts, how the dominant responses vary among species, and how the emergent communities of the future ocean will function.
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Affiliation(s)
- Malin L Pinsky
- Department of Ecology, Evolution, and Natural Resources, Rutgers University, New Brunswick, New Jersey 08901, USA;
| | - Rebecca L Selden
- Department of Ecology, Evolution, and Natural Resources, Rutgers University, New Brunswick, New Jersey 08901, USA;
| | - Zoë J Kitchel
- Department of Ecology, Evolution, and Natural Resources, Rutgers University, New Brunswick, New Jersey 08901, USA;
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15
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Climate change could overturn bird migration: Transarctic flights and high-latitude residency in a sea ice free Arctic. Sci Rep 2019; 9:17767. [PMID: 31780706 PMCID: PMC6883031 DOI: 10.1038/s41598-019-54228-5] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Accepted: 11/06/2019] [Indexed: 11/08/2022] Open
Abstract
Climate models predict that by 2050 the Arctic Ocean will be sea ice free each summer. Removing this barrier between the Atlantic and the Pacific will modify a wide range of ecological processes, including bird migration. Using published information, we identified 29 arctic-breeding seabird species, which currently migrate in the North Atlantic and could shift to a transarctic migration towards the North Pacific. We also identified 24 arctic-breeding seabird species which may shift from a migratory strategy to high-arctic year-round residency. To illustrate the biogeographical consequences of such drastic migratory shifts, we performed an in-depth study of little auks (Alle alle), the most numerous artic seabird. Coupling species distribution models and climatic models, we assessed the adequacy of future wintering and breeding areas for transarctic migrants and high-arctic year-round residents. Further, we used a mechanistic bioenergetics model (Niche Mapper), to compare the energetic costs of current little auk migration in the North Atlantic with potential transarctic and high-arctic residency strategies. Surprisingly, our results indicate that transarctic little auk migration, from the North Atlantic towards the North Pacific, may only be half as costly, energetically, than high-arctic residency or migration to the North Atlantic. Our study illustrates how global warming may radically modify the biogeography of migratory species, and provides a general methodological framework linking migratory energetics and spatial ecology.
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16
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Dunn RE, White CR, Green JA. A model to estimate seabird field metabolic rates. Biol Lett 2019; 14:rsbl.2018.0190. [PMID: 29875209 PMCID: PMC6030596 DOI: 10.1098/rsbl.2018.0190] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 05/16/2018] [Indexed: 11/12/2022] Open
Abstract
For free-ranging animals, field metabolic rate (FMR) is the sum of their energy expenditure over a specified period. This quantity is a key component of ecological processes at every biological level. We applied a phylogenetically informed meta-analytical approach to identify the large-scale determinants of FMR in seabirds during the breeding season. Using data from 64 studies of energetics in 47 species, we created a model to estimate FMR for any seabird population. We found that FMR was positively influenced by body mass and colony latitude and that it increased throughout the breeding season from incubation to brood to crèche. FMR was not impacted by colony-relative predation pressure or species average brood size. Based on this model, we present an app through which users can generate estimates of FMR for any population of breeding seabird. We encourage the use of this app to complement behavioural studies and increase understanding of how energetic demands influence the role of seabirds as driving components of marine systems.
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Affiliation(s)
- Ruth E Dunn
- School of Environmental Sciences, University of Liverpool, Liverpool L69 3GP, UK
| | - Craig R White
- Centre for Geometric Biology, School of Biological Sciences, Monash University, Melbourne, Victoria 3800, Australia
| | - Jonathan A Green
- School of Environmental Sciences, University of Liverpool, Liverpool L69 3GP, UK
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17
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Emmerson L, Walsh S, Southwell C. Nonbreeder birds at colonies display qualitatively similar seasonal mass change patterns as breeders. Ecol Evol 2019; 9:4637-4650. [PMID: 31031932 PMCID: PMC6476789 DOI: 10.1002/ece3.5067] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Revised: 02/10/2019] [Accepted: 02/19/2019] [Indexed: 11/10/2022] Open
Abstract
The difficulty in studying nonbreeding birds means that little is known about them or their resource requirements, despite forming a large and significant component of a population. One way to assess food requirements is to examine changes in body mass, because it indicates the amount of food acquired. In terms of body mass changes, our expectation is that nonbreeders will either (a) be in poorer condition than the breeders which potentially explains why they do not breed or (b) remain at a stable higher mass as they are unconstrained by the physiological costs associated with rearing chicks. Here, we interrogate body mass datasets of breeding and nonbreeding birds of two penguin species to assess these predictions and determine whether differences in mass exist between these two groups throughout the breeding season. The first dataset is from a wild Adélie penguin population, where bird mass was recorded automatically and breeding status determined from a resighting program. A second population of captive gentoo penguins were weighed regularly each breeding season. We demonstrate that although there were times in each year when breeders were heavier than their nonbreeding counterparts for both populations, the mass changes showed qualitatively similar patterns throughout the breeding season irrespective of breeding status. Heavier breeders at times during the breeding season are not unexpected but the overall similar pattern of mass change irrespective of breeding status is in contrast to expectations. It appears that breeding status per se and the constraints that breeding places on birds are not the only driver of changes in mass throughout the breeding season and, although not explicitly studied here, the role of hormones in driving changes in appetite could be key to explain these results. These results present a significant step toward understanding food requirements of nonbreeders in avian populations.
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Affiliation(s)
- Louise Emmerson
- Australian Antarctic DivisionDepartment of Environment and EnergyKingstonTasmaniaAustralia
| | | | - Colin Southwell
- Australian Antarctic DivisionDepartment of Environment and EnergyKingstonTasmaniaAustralia
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18
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Amélineau F, Grémillet D, Harding AMA, Walkusz W, Choquet R, Fort J. Arctic climate change and pollution impact little auk foraging and fitness across a decade. Sci Rep 2019; 9:1014. [PMID: 30705325 PMCID: PMC6355795 DOI: 10.1038/s41598-018-38042-z] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Accepted: 12/10/2018] [Indexed: 11/26/2022] Open
Abstract
Ongoing global changes apply drastic environmental forcing onto Arctic marine ecosystems, particularly through ocean warming, sea-ice shrinkage and enhanced pollution. To test impacts on arctic marine ecological functioning, we used a 12-year integrative study of little auks (Alle alle), the most abundant seabird in the Atlantic Arctic. We monitored the foraging ecology, reproduction, survival and body condition of breeding birds, and we tested linkages between these biological variables and a set of environmental parameters including sea-ice concentration (SIC) and mercury contamination. Little auks showed substantial plasticity in response to SIC, with deeper and longer dives but less time spent underwater and more time flying when SIC decreased. Their diet also contained less lipid-rich ice-associated prey when SIC decreased. Further, in contrast to former studies conducted at the annual scale, little auk fitness proxies were impacted by environmental changes: Adult body condition and chick growth rate were negatively linked to SIC and mercury contamination. However, no trend was found for adult survival despite high inter-annual variability. Our results suggest that potential benefits of milder climatic conditions in East Greenland may be offset by increasing pollution in the Arctic. Overall, our study stresses the importance of long-term studies integrating ecology and ecotoxicology.
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Affiliation(s)
- Françoise Amélineau
- Centre d'Ecologie Fonctionnelle et Evolutive (CEFE) UMR 5175, CNRS - Université de Montpellier - Université Paul-Valéry Montpellier - EPHE, Montpellier, France.
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS - Université de La Rochelle, La Rochelle, France.
| | - David Grémillet
- Centre d'Ecologie Fonctionnelle et Evolutive (CEFE) UMR 5175, CNRS - Université de Montpellier - Université Paul-Valéry Montpellier - EPHE, Montpellier, France
- Percy FitzPatrick Institute and DST/NRF Excellence Centre at the University of Cape Town, Rondebosch, South Africa
| | - Ann M A Harding
- Environmental Science Department, Alaska Pacific University, Anchorage, AK, USA
| | - Wojciech Walkusz
- Freshwater Institute, Fisheries and Oceans Canada, 501 University Crescent, Winnipeg, MB, Canada
- Institute of Oceanology, Polish Academy of Sciences, Sopot, Poland
| | - Rémi Choquet
- Centre d'Ecologie Fonctionnelle et Evolutive (CEFE) UMR 5175, CNRS - Université de Montpellier - Université Paul-Valéry Montpellier - EPHE, Montpellier, France
| | - Jérôme Fort
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS - Université de La Rochelle, La Rochelle, France
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19
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Lee MA, Nguyen FT, Scott K, Chan NY, Bakh NA, Jones KK, Pham C, Garcia-Salinas P, Garcia-Parraga D, Fahlman A, Marco V, Koman VB, Oliver RJ, Hopkins LW, Rubio C, Wilson RP, Meekan MG, Duarte CM, Strano MS. Implanted Nanosensors in Marine Organisms for Physiological Biologging: Design, Feasibility, and Species Variability. ACS Sens 2019; 4:32-43. [PMID: 30525471 DOI: 10.1021/acssensors.8b00538] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
In recent decades, biologists have sought to tag animals with various sensors to study aspects of their behavior otherwise inaccessible from controlled laboratory experiments. Despite this, chemical information, both environmental and physiological, remains challenging to collect despite its tremendous potential to elucidate a wide range of animal behaviors. In this work, we explore the design, feasibility, and data collection constraints of implantable, near-infrared fluorescent nanosensors based on DNA-wrapped single-wall carbon nanotubes (SWNT) embedded within a biocompatible poly(ethylene glycol) diacrylate (PEGDA) hydrogel. These sensors are enabled by Corona Phase Molecular Recognition (CoPhMoRe) to provide selective chemical detection for marine organism biologging. Riboflavin, a key nutrient in oxidative phosphorylation, is utilized as a model analyte in in vitro and ex vivo tissue measurements. Nine species of bony fish, sharks, eels, and turtles were utilized on site at Oceanogràfic in Valencia, Spain to investigate sensor design parameters, including implantation depth, sensor imaging and detection limits, fluence, and stability, as well as acute and long-term biocompatibility. Hydrogels were implanted subcutaneously and imaged using a customized, field-portable Raspberry Pi camera system. Hydrogels could be detected up to depths of 7 mm in the skin and muscle tissue of deceased teleost fish ( Sparus aurata and Stenotomus chrysops) and a deceased catshark ( Galeus melastomus). The effects of tissue heterogeneity on hydrogel delivery and fluorescence visibility were explored, with darker tissues masking hydrogel fluorescence. Hydrogels were implanted into a living eastern river cooter ( Pseudemys concinna), a European eel ( Anguilla anguilla), and a second species of catshark ( Scyliorhinus stellaris). The animals displayed no observable changes in movement and feeding patterns. Imaging by high-resolution ultrasound indicated no changes in tissue structure in the eel and catshark. In the turtle, some tissue reaction was detected upon dissection and histopathology. Analysis of movement patterns in sarasa comet goldfish ( Carassius auratus) indicated that the hydrogel implants did not affect swimming patterns. Taken together, these results indicate that this implantable form factor is a promising technique for biologging using aquatic vertebrates with further development. Future work will tune the sensor detection range to the physiological range of riboflavin, develop strategies to normalize sensor signal to account for the optical heterogeneity of animal tissues, and design a flexible, wearable device incorporating optoelectronic components that will enable sensor measurements in moving animals. This work advances the application of nanosensors to organisms beyond the commonly used rodent and zebrafish models and is an important step toward the physiological biologging of aquatic organisms.
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Affiliation(s)
| | | | - Kathleen Scott
- Office of Animal Resources, University of Iowa, Iowa City, Iowa 52242, United States
| | | | | | | | | | - Pablo Garcia-Salinas
- Fundación Oceanogràfic de la Comunitat Valenciana, Research Department, Ciudad de las Artes y las Ciencias, 46013 Valencia, Spain
| | - Daniel Garcia-Parraga
- Fundación Oceanogràfic de la Comunitat Valenciana, Research Department, Ciudad de las Artes y las Ciencias, 46013 Valencia, Spain
| | - Andreas Fahlman
- Fundación Oceanogràfic de la Comunitat Valenciana, Research Department, Ciudad de las Artes y las Ciencias, 46013 Valencia, Spain
| | - Vicente Marco
- Fundación Oceanogràfic de la Comunitat Valenciana, Research Department, Ciudad de las Artes y las Ciencias, 46013 Valencia, Spain
| | | | | | - Lloyd W. Hopkins
- Biosciences, College of Science, Swansea University, Singleton Park, Swansea SA2 8PP, United Kingdom
| | - Consuelo Rubio
- Fundación Oceanogràfic de la Comunitat Valenciana, Research Department, Ciudad de las Artes y las Ciencias, 46013 Valencia, Spain
| | - Rory P. Wilson
- Biosciences, College of Science, Swansea University, Singleton Park, Swansea SA2 8PP, United Kingdom
| | - Mark G. Meekan
- Australian Institute of Marine Science, the Indian Ocean Marine Research Centre (IOMRC), University of Western Australia Oceans Institute, 35 Stirling Highway, Crawley, Western Australia 6009, Australia
| | - Carlos M. Duarte
- Red Sea Research Center, Division of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
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20
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Yurkowski DJ, Auger-Méthé M, Mallory ML, Wong SNP, Gilchrist G, Derocher AE, Richardson E, Lunn NJ, Hussey NE, Marcoux M, Togunov RR, Fisk AT, Harwood LA, Dietz R, Rosing-Asvid A, Born EW, Mosbech A, Fort J, Grémillet D, Loseto L, Richard PR, Iacozza J, Jean-Gagnon F, Brown TM, Westdal KH, Orr J, LeBlanc B, Hedges KJ, Treble MA, Kessel ST, Blanchfield PJ, Davis S, Maftei M, Spencer N, McFarlane-Tranquilla L, Montevecchi WA, Bartzen B, Dickson L, Anderson C, Ferguson SH. Abundance and species diversity hotspots of tracked marine predators across the North American Arctic. DIVERS DISTRIB 2018. [DOI: 10.1111/ddi.12860] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Affiliation(s)
| | | | | | | | - Grant Gilchrist
- Environment and Climate Change Canada; Ottawa Ontario Canada
| | | | - Evan Richardson
- Environment and Climate Change Canada; Winnipeg Manitoba Canada
| | | | | | | | - Ron R. Togunov
- University of British Columbia; Vancouver British Columbia Canada
| | | | - Lois A. Harwood
- Fisheries and Oceans Canada; Yellowknife Northwest Territories Canada
| | | | | | - Erik W. Born
- Greenland Institute of Natural Resources; Nuuk Greenland
| | | | - Jérôme Fort
- Littoral, Environnement et Sociétés (LIENSs); UMR7266 CNRS-University of La Rochelle; La Rochelle France
| | - David Grémillet
- Centre d’Ecologie Fonctionnelle et Evolutive; UMR 5175, CNRS; Montpellier France
| | - Lisa Loseto
- Fisheries and Oceans Canada; Winnipeg Manitoba Canada
| | | | - John Iacozza
- University of Manitoba; Winnipeg Manitoba Canada
| | | | | | | | - Jack Orr
- Fisheries and Oceans Canada; Winnipeg Manitoba Canada
| | | | | | | | - Steven T. Kessel
- Daniel P. Haerther Center for Conservation and Research; John G. Shedd Aquarium; Chicago Illinois
| | | | - Shanti Davis
- High Arctic Gull Research Group; Victoria British Columbia Canada
| | - Mark Maftei
- High Arctic Gull Research Group; Victoria British Columbia Canada
| | - Nora Spencer
- High Arctic Gull Research Group; Victoria British Columbia Canada
| | | | | | - Blake Bartzen
- Environment and Climate Change Canada; Saskatoon Saskatchewan Canada
| | - Lynne Dickson
- Environment and Climate Change Canada; Edmonton Alberta Canada
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Persisting Worldwide Seabird-Fishery Competition Despite Seabird Community Decline. Curr Biol 2018; 28:4009-4013.e2. [PMID: 30528577 DOI: 10.1016/j.cub.2018.10.051] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Revised: 08/17/2018] [Accepted: 10/23/2018] [Indexed: 11/24/2022]
Abstract
Fisheries transform marine ecosystems and compete with predators [1], but temporal trends in seabird-fishery competition had never been assessed on a worldwide scale. Using catch reconstructions [2] for all fisheries targeting taxa that are also seabird prey, we demonstrated that average annual fishery catch increased from 59 to 65 million metric tons between 1970-1989 and 1990-2010. For the same periods, we estimated that global annual seabird food consumption decreased from 70 to 57 million metric tons. Despite this decrease, we found sustained global seabird-fishery food competition between 1970-1989 and 1990-2010. Enhanced competition was identified in 48% of all areas, notably the Southern Ocean, Asian shelves, Mediterranean Sea, Norwegian Sea, and Californian coast. Fisheries generate severe constraints for seabird populations on a worldwide scale, and those need to be addressed urgently. Indeed, seabirds are the most threatened bird group, with a 70% community-level population decline across 1950-2010 [3].
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