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Pan JM, Guo Y, Jiang FF, Xu R, Zhang X, Cai WK, Yin SJ, Wang P, Huang YH, Zhang XS, Li YH, Cai L, He GH. Effect of Histamine H2 Receptor Antagonists on All-Cause Mortality in Critically Ill Patients With Essential Hypertension: A Retrospective Cohort Study. J Clin Pharmacol 2024. [PMID: 38659369 DOI: 10.1002/jcph.2445] [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: 08/14/2023] [Accepted: 03/27/2024] [Indexed: 04/26/2024]
Abstract
Previous studies found that histamine H2 receptor antagonists (H2RAs) had blood pressure lowering and cardioprotective effects, but the impact of H2RAs on the survival outcomes of critically ill patients with essential hypertension is still unclear. The aim of this study was to investigate the association of H2RAs exposure with all-cause mortality in patients with essential hypertension based on Medical Information Mart for Intensive Care III database. A total of 17,739 patients were included, involving 8482 H2RAs users and 9257 non-H2RAs users. Propensity score matching (PSM) was performed to improve balance between 2 groups that were exposed to H2RAs or not. Kaplan-Meier survival curves were used to compare the cumulative survival rates and multivariable Cox regression models were performed to evaluate the association between H2RAs exposure and all-cause mortality. After 1:1 PSM, 4416 pairs of patients were enrolled. The results revealed potentially significant association between H2RAs exposure and decreased 30-day, 90-day, and 1-year mortalities in multivariate analyses (HR = 0.783, 95% CI: 0.696-0.882 for 30-day; HR = 0.860, 95% CI: 0.778-0.950 for 90-day; and HR = 0.883, 95% CI: 0.811-0.961 for 1-year mortality, respectively). Covariate effect analyses showed that the use of H2RAs was more beneficial in essential hypertension patients with age ≥ 60, BMI ≥ 25 kg/m2, coronary arteriosclerosis, stroke, and acute kidney failure, respectively. In conclusion, H2RAs exposure was related to lower mortalities in critically ill patients with essential hypertension, which provided novel potential strategy for the use of H2RAs in essential hypertension patients.
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Affiliation(s)
- Jian-Mei Pan
- Department of Clinical Pharmacy, 920th Hospital of Joint Logistics Support Force, Kunming, China
- College of Pharmacy, Dali University, Dali, China
| | - Yu Guo
- Department of Clinical Pharmacy, 920th Hospital of Joint Logistics Support Force, Kunming, China
- College of Pharmacy, Dali University, Dali, China
| | - Fang-Fang Jiang
- Department of Clinical Pharmacy, 920th Hospital of Joint Logistics Support Force, Kunming, China
- College of Pharmacy, Dali University, Dali, China
| | - Ran Xu
- Department of Clinical Pharmacy, 920th Hospital of Joint Logistics Support Force, Kunming, China
| | - Xin Zhang
- Department of Respiratory, 920th Hospital of Joint Logistics Support Force, Kunming, China
| | - Wen-Ke Cai
- Department of Cardiothoracic Surgery, 920th Hospital of Joint Logistics Support Force, Kunming, China
| | - Sun-Jun Yin
- Department of Clinical Pharmacy, 920th Hospital of Joint Logistics Support Force, Kunming, China
| | - Ping Wang
- Department of Clinical Pharmacy, 920th Hospital of Joint Logistics Support Force, Kunming, China
| | - Yan-Hua Huang
- Department of Clinical Pharmacy, 920th Hospital of Joint Logistics Support Force, Kunming, China
| | - Xue-Sha Zhang
- Department of Clinical Pharmacy, 920th Hospital of Joint Logistics Support Force, Kunming, China
- College of Pharmacy, Dali University, Dali, China
| | - Yi-Hua Li
- Department of Clinical Pharmacy, 920th Hospital of Joint Logistics Support Force, Kunming, China
- College of Pharmacy, Dali University, Dali, China
| | - Liao Cai
- Department of Clinical Pharmacy, 920th Hospital of Joint Logistics Support Force, Kunming, China
- College of Pharmacy, Dali University, Dali, China
| | - Gong-Hao He
- Department of Clinical Pharmacy, 920th Hospital of Joint Logistics Support Force, Kunming, China
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Ostermann‐Miyashita E, Bluhm H, Dobiáš K, Gandl N, Hibler S, Look S, Michler F, Weltgen L, Smaga A, König HJ, Kuemmerle T, Kiffner C. Opportunities and challenges for monitoring a recolonizing large herbivore using citizen science. Ecol Evol 2023; 13:e10484. [PMID: 37664516 PMCID: PMC10474824 DOI: 10.1002/ece3.10484] [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: 05/03/2023] [Revised: 07/29/2023] [Accepted: 08/09/2023] [Indexed: 09/05/2023] Open
Abstract
Monitoring is a prerequisite for evidence-based wildlife management and conservation planning, yet conventional monitoring approaches are often ineffective for species occurring at low densities. However, some species such as large mammals are often observed by lay people and this information can be leveraged through citizen science monitoring schemes. To ensure that such wildlife monitoring efforts provide robust inferences, assessing the quantity, quality, and potential biases of citizen science data is crucial. For Eurasian moose (Alces alces), a species currently recolonizing north-eastern Germany and occurring in very low numbers, we applied three citizen science tools: a mail/email report system, a smartphone application, and a webpage. Among these monitoring tools, the mail/email report system yielded the greatest number of moose reports in absolute and in standardized (corrected for time effort) terms. The reported moose were predominantly identified as single, adult, male individuals, and reports occurred mostly during late summer. Overlaying citizen science data with independently generated habitat suitability and connectivity maps showed that members of the public detected moose in suitable habitats but not necessarily in movement corridors. Also, moose detections were often recorded near roads, suggestive of spatial bias in the sampling effort. Our results suggest that citizen science-based data collection can be facilitated by brief, intuitive digital reporting systems. However, inference from the resulting data can be limited due to unquantified and possibly biased sampling effort. To overcome these challenges, we offer specific recommendations such as more structured monitoring efforts involving the public in areas likely to be roamed by moose for improving quantity, quality, and analysis of citizen science-based data for making robust inferences.
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Affiliation(s)
- Emu‐Felicitas Ostermann‐Miyashita
- Faculty of Life SciencesThaer‐Institute of Agricultural and Horticultural Sciences, Humboldt Universität zu BerlinBerlinGermany
- Leibniz Centre for Agricultural Landscape Research (ZALF)MünchebergGermany
| | - Hendrik Bluhm
- Geography DepartmentHumboldt‐Universität zu BerlinBerlinGermany
| | - Kornelia Dobiáš
- Landesbetrieb Forst Brandenburg Abt. 4Landeskompetenzzentrum Forst Eberswalde (LFE)EberswaldeGermany
| | | | - Sophia Hibler
- Leibniz Centre for Agricultural Landscape Research (ZALF)MünchebergGermany
| | | | - Frank‐Uwe Michler
- Faculty of Forest and EnvironmentEberswalde University for Sustainable DevelopmentEberswaldeGermany
| | | | - Aleksandra Smaga
- Zachodniopomorskie Towarzystwo PrzyrodniczeDzika ZagrodaMirosławiecPoland
| | - Hannes J. König
- Faculty of Life SciencesThaer‐Institute of Agricultural and Horticultural Sciences, Humboldt Universität zu BerlinBerlinGermany
| | | | - Christian Kiffner
- Leibniz Centre for Agricultural Landscape Research (ZALF)MünchebergGermany
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Hooven ND, Springer MT, Nielsen CK, Schauber EM. Influence of natal habitat preference on habitat selection during extra-home range movements in a large ungulate. Ecol Evol 2023; 13:e9794. [PMID: 36760707 PMCID: PMC9897958 DOI: 10.1002/ece3.9794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Revised: 01/14/2023] [Accepted: 01/18/2023] [Indexed: 02/05/2023] Open
Abstract
Natal habitat preference induction (NHPI) occurs when animals exhibit a preference for new habitat that is similar to that which they experienced in their natal environment, potentially leading to post-dispersal success. While the study of NHPI is typically focused on post-settlement home ranges, we investigated how this behavior may manifest during extra-home range movements (EHRMs), both to identify exploratory prospecting behavior and assess how natal habitat cues may influence path selection before settlement. We analyzed GPS collar relocation data collected during 79 EHRMs made by 34 juvenile and subadult white-tailed deer (Odocoileus virginianus) across an agricultural landscape with highly fragmented forests in Illinois, USA. We developed a workflow to measure multidimensional natal habitat dissimilarity for each EHRM relocation and fit step-selection functions to evaluate whether natal habitat similarity explained habitat selection along movement paths. Across seasons, selection for natal habitat similarity was generally weak during excursive movements, but strong during dispersals, indicating that NHPI is manifested in dispersal habitat selection in this study system and bolstering the hypothesis that excursive movements differ functionally from dispersal. Our approach for extending the NHPI hypothesis to behavior during EHRMs can be applied to a variety of taxa and can expand our understanding of how individual behavioral variation and early life experience may shape connectivity and resistance across landscapes.
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Affiliation(s)
- Nathan D. Hooven
- School of the EnvironmentWashington State UniversityPullmanWashingtonUSA,Department of Forestry and Natural ResourcesUniversity of KentuckyLexingtonKentuckyUSA
| | - Matthew T. Springer
- Department of Forestry and Natural ResourcesUniversity of KentuckyLexingtonKentuckyUSA
| | - Clayton K. Nielsen
- Cooperative Wildlife Research Laboratory and Department of ForestrySouthern Illinois University CarbondaleCarbondaleIllinoisUSA
| | - Eric M. Schauber
- Illinois Natural History Survey, Prairie Research InstituteUniversity of Illinois Urbana‐ChampaignChampaignIllinoisUSA
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Sliwa KM, Baumgardt JA, DeYoung RW, Ortega‐S JA, Hewitt DG, Goolsby JA, Lohmeyer KH. Movement ecology of exotic nilgai antelope: A threat to the re‐emergence of cattle fever ticks in the southern
USA. Ecosphere 2023. [DOI: 10.1002/ecs2.4401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023] Open
Affiliation(s)
- Kathryn M. Sliwa
- Caesar Kleberg Wildlife Research Institute Texas A&M University–Kingsville Kingsville Texas USA
| | - Jeremy A. Baumgardt
- Caesar Kleberg Wildlife Research Institute Texas A&M University–Kingsville Kingsville Texas USA
| | - Randy W. DeYoung
- Caesar Kleberg Wildlife Research Institute Texas A&M University–Kingsville Kingsville Texas USA
| | - J. Alfonso Ortega‐S
- Caesar Kleberg Wildlife Research Institute Texas A&M University–Kingsville Kingsville Texas USA
| | - David G. Hewitt
- Caesar Kleberg Wildlife Research Institute Texas A&M University–Kingsville Kingsville Texas USA
| | - John A. Goolsby
- USDA Agricultural Research Service Cattle Fever Tick Research Laboratory Edinburg Texas USA
| | - Kimberly H. Lohmeyer
- USDA Agricultural Research Service Knipling‐Bushland U.S. Livestock Insects Research Laboratory and Veterinary Pest Genomics Center Kerrville Texas USA
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Bluhm H, Diserens TA, Engleder T, Heising K, Heurich M, Janík T, Jirků M, Klich D, König HJ, Kowalczyk R, Kuijper D, Maślanko W, Michler F, Neumann W, Oeser J, Olech W, Perzanowski K, Ratkiewicz M, Romportl D, Šálek M, Kuemmerle T. Widespread habitat for Europe's largest herbivores, but poor connectivity limits recolonization. DIVERS DISTRIB 2023. [DOI: 10.1111/ddi.13671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Affiliation(s)
- Hendrik Bluhm
- Geography Department Humboldt‐Universität zu Berlin Berlin Germany
| | - Tom A. Diserens
- Mammal Research Institute Polish Academy of Sciences Białowieża Poland
- Faculty of Biology University of Warsaw Warsaw Poland
| | | | - Kaja Heising
- Wisent‐Welt Wittgenstein e.V Bad Berleburg Germany
| | - Marco Heurich
- Chair of Wildlife Ecology and Wildlife Management University of Freiburg Freiburg Germany
- Department of Visitor Management and National Park Monitoring Bavarian Forest National Park Grafenau Germany
- Institute for Forest and Wildlife Management Inland Norway University of Applied Sciences Koppang Norway
| | - Tomáš Janík
- Department of Physical Geography and Geoecology, Faculty of Science Charles University Praha Czechia
- Department of Spatial Ecology The Silva Tarouca Research Institute for Landscape and Ornamental Gardening (VÚKOZ) Průhonice Czechia
| | - Miloslav Jirků
- Institute of Parasitology, Biology Centre Czech Academy of Sciences České Budějovice Czech Republic
| | - Daniel Klich
- Department of Animal Genetics and Conservation Warsaw University of Life Sciences Warsaw Poland
| | - Hannes J. König
- Junior Research Group Human‐Wildlife Conflict and Coexistence Leibniz Centre for Agricultural Landscape Research (ZALF) Müncheberg Germany
| | - Rafał Kowalczyk
- Mammal Research Institute Polish Academy of Sciences Białowieża Poland
| | - Dries Kuijper
- Mammal Research Institute Polish Academy of Sciences Białowieża Poland
| | - Weronika Maślanko
- Department of Animal Ethology and Wildlife Management University of Life Sciences in Lublin Lublin Poland
| | - Frank‐Uwe Michler
- Faculty of Forest and Environment Eberswalde University for Sustainable Development Eberswalde Germany
| | - Wiebke Neumann
- Department of Wildlife, Fish and Environmental Studies Swedish University of Agricultural Sciences
| | - Julian Oeser
- Geography Department Humboldt‐Universität zu Berlin Berlin Germany
| | - Wanda Olech
- Department of Animal Genetics and Conservation Warsaw University of Life Sciences Warsaw Poland
| | - Kajetan Perzanowski
- Institute of Biological Sciences Catholic University of Lublin Lublin Poland
| | | | - Dušan Romportl
- Department of Physical Geography and Geoecology, Faculty of Science Charles University Praha Czechia
- Department of Spatial Ecology The Silva Tarouca Research Institute for Landscape and Ornamental Gardening (VÚKOZ) Průhonice Czechia
| | - Martin Šálek
- Czech Academy of Sciences Institute of Vertebrate Biology Brno Czech Republic
- Faculty of Environmental Sciences Czech University of Life Sciences Prague Suchdol Czech Republic
| | - Tobias Kuemmerle
- Geography Department Humboldt‐Universität zu Berlin Berlin Germany
- Integrative Research Institute on Transformation in Human‐Environment Systems (IRI THESys) Humboldt‐Universität zu Berlin Berlin Germany
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Thorsen NH, Hansen JE, Støen OG, Kindberg J, Zedrosser A, Frank SC. Movement and habitat selection of a large carnivore in response to human infrastructure differs by life stage. MOVEMENT ECOLOGY 2022; 10:52. [PMID: 36447280 PMCID: PMC9706841 DOI: 10.1186/s40462-022-00349-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 11/07/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND The movement extent of mammals is influenced by human-modified areas, which can affect population demographics. Understanding how human infrastructure influences movement at different life stages is important for wildlife management. This is true especially for large carnivores, due to their substantial space requirements and potential for conflict with humans. METHODS We investigated human impact on movement and habitat selection by GPS-collared male brown bears (Ursus arctos) in two life stages (residents and dispersers) in central Sweden. We identified dispersers visually based on their GPS locations and used hidden Markov models to delineate dispersal events. We used integrated step selection analysis (iSSA) to infer movement and habitat selection at a local scale (availability defined by hourly relocations), and resource selection functions (RSFs) to infer habitat selection at a landscape scale (availability defined by the study area extent). RESULTS Movement of residents on a local scale was facilitated by small forestry roads as they moved faster and selected areas closer to forestry roads, and they avoided areas closer to larger public roads and buildings on both scales. Dispersers were more ambivalent in their response to human infrastructure. Dispersers increased their speed closer to small forestry roads and larger public roads, did not exhibit selection for or against any road class, and avoided areas closer to buildings only at local scale. Dispersers did not select for any features on the landscape, which is likely explained by the novelty of the landscape or their naivety towards it. CONCLUSION Our results show that movement in male brown bears is life stage-dependent and indicate that connectivity maps derived from movement data of dispersing animals may provide more numerous and more realistic pathways than those derived from resident animal data alone. This suggests that data from dispersing animals provide more realistic models for reconnecting populations and maintaining connectivity than if data were derived from resident animals alone.
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Affiliation(s)
- N H Thorsen
- Norwegian Institute for Nature Research, Oslo, Norway.
- Faculty of Environmental Sciences and Natural Resource Management, Norwegian University of Life Sciences, Ås, Norway.
| | - J E Hansen
- Faculty of Technology, Natural Sciences and Maritime Sciences, University of South-Eastern Norway, Bø, Telemark, Norway
| | - O-G Støen
- Norwegian Institute for Nature Research, Oslo, Norway
- Faculty of Environmental Sciences and Natural Resource Management, Norwegian University of Life Sciences, Ås, Norway
| | - J Kindberg
- Norwegian Institute for Nature Research, Oslo, Norway
- Department of Wildlife, Fish and Environmental Studies, Swedish University of Agricultural Sciences, Umeå, Sweden
| | - A Zedrosser
- Faculty of Technology, Natural Sciences and Maritime Sciences, University of South-Eastern Norway, Bø, Telemark, Norway.
- Department of Integrative Biology, Institute of Wildlife Biology and Game Management, University of Natural Resources and Applied Life Sciences, Vienna, Austria.
| | - S C Frank
- Faculty of Technology, Natural Sciences and Maritime Sciences, University of South-Eastern Norway, Bø, Telemark, Norway
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Passoni G, Coulson T, Ranc N, Corradini A, Hewison AJM, Ciuti S, Gehr B, Heurich M, Brieger F, Sandfort R, Mysterud A, Balkenhol N, Cagnacci F. Roads constrain movement across behavioural processes in a partially migratory ungulate. MOVEMENT ECOLOGY 2021; 9:57. [PMID: 34774097 PMCID: PMC8590235 DOI: 10.1186/s40462-021-00292-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 10/23/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Human disturbance alters animal movement globally and infrastructure, such as roads, can act as physical barriers that impact behaviour across multiple spatial scales. In ungulates, roads can particularly hamper key ecological processes such as dispersal and migration, which ensure functional connectivity among populations, and may be particularly important for population performance in highly human-dominated landscapes. The impact of roads on some aspects of ungulate behaviour has already been studied. However, potential differences in response to roads during migration, dispersal and home range movements have never been evaluated. Addressing these issues is particularly important to assess the resistance of European landscapes to the range of wildlife movement processes, and to evaluate how animals adjust to anthropogenic constraints. METHODS We analysed 95 GPS trajectories from 6 populations of European roe deer (Capreolus capreolus) across the Alps and central Europe. We investigated how roe deer movements were affected by landscape characteristics, including roads, and we evaluated potential differences in road avoidance among resident, migratory and dispersing animals (hereafter, movement modes). First, using Net Squared Displacement and a spatio-temporal clustering algorithm, we classified individuals as residents, migrants or dispersers. We then identified the start and end dates of the migration and dispersal trajectories, and retained only the GPS locations that fell between those dates (i.e., during transience). Finally, we used the resulting trajectories to perform an integrated step selection analysis. RESULTS We found that roe deer moved through more forested areas during the day and visited less forested areas at night. They also minimised elevation gains and losses along their movement trajectories. Road crossings were strongly avoided at all times of day, but when they occurred, they were more likely to occur during longer steps and in more forested areas. Road avoidance did not vary among movement modes and, during dispersal and migration, it remained high and consistent with that expressed during home range movements. CONCLUSIONS Roads can represent a major constraint to movement across modes and populations, potentially limiting functional connectivity at multiple ecological scales. In particular, they can affect migrating individuals that track seasonal resources, and dispersing animals searching for novel ranges.
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Affiliation(s)
- Gioele Passoni
- Department of Zoology, University of Oxford, Zoology Research and Administration Building, 11a Mansfield Rd, Oxford, OX1 3SZ, UK.
- Department of Biodiversity and Molecular Ecology, Research and Innovation Centre (CRI), Fondazione Edmund Mach, Via Edmund Mach 1, 38010, San Michele all'Adige, TN, Italy.
| | - Tim Coulson
- Department of Zoology, University of Oxford, Zoology Research and Administration Building, 11a Mansfield Rd, Oxford, OX1 3SZ, UK
| | - Nathan Ranc
- Center for Integrated Spatial Research, Environmental Studies Department, University of California, Santa Cruz, 95064, USA
| | - Andrea Corradini
- Department of Biodiversity and Molecular Ecology, Research and Innovation Centre (CRI), Fondazione Edmund Mach, Via Edmund Mach 1, 38010, San Michele all'Adige, TN, Italy
- Department of Civil, Environmental and Mechanical Engineering (DICAM), University of Trento, via Mesiano 77, 38123, Trento, TN, Italy
- Stelvio National Park, Via De Simoni 42, 23032, Bormio, SO, Italy
| | - A J Mark Hewison
- INRAE, CEFS, Université de Toulouse, 31326, Castanet-Tolosan, France
- LTSER ZA Pyrénées Garonne, 31320, Auzeville Tolosane, France
| | - Simone Ciuti
- Laboratory of Wildlife Ecology and Behaviour, University College Dublin, Belfield, D4, Ireland
| | - Benedikt Gehr
- Department of Evolutionary Biology and Environmental Studies, University of Zurich, Winterthurerstrasse 190, 8057, Zurich, Switzerland
| | - Marco Heurich
- Department of Visitor Management and National Park Monitoring, Bavarian Forest National Park, Freyunger Straße 2, 94481, Grafenau, Germany
- Faculty of Environment and Natural Resources, Chair of Wildlife Ecology and Management, University of Freiburg, Tennenbacher Straße 4, 79106, Freiburg, Germany
- Institute for Forest and Wildlife Management, Inland Norway University of Applied Science, 2480, Koppang, Norway
| | - Falko Brieger
- Wildlife Institute, Forest Research Institute Baden-Wuerttemberg, Wonnhaldestraße 4, 79100, Freiburg, Germany
| | - Robin Sandfort
- Department of Integrative Biology and Biodiversity Research, Institute of Wildlife Biology and Game Management, University of Natural Resources and Life Sciences Vienna, Gregor-Mendel Straße 33, 1180, Vienna, Austria
| | - Atle Mysterud
- Centre for Ecological and Evolutionary Synthesis (CEES), Department of Biosciences, University of Oslo, Blindern, P.O. Box 1066, 0316, Oslo, Norway
| | - Niko Balkenhol
- Wildlife Sciences, Faculty of Forest Sciences and Forest Ecology, University of Goettingen, Buesgenweg 3, 37077, Goettingen, Germany
| | - Francesca Cagnacci
- Department of Biodiversity and Molecular Ecology, Research and Innovation Centre (CRI), Fondazione Edmund Mach, Via Edmund Mach 1, 38010, San Michele all'Adige, TN, Italy
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Mayer M, Šálek M, Fox AD, Juhl Lindhøj F, Jacobsen LB, Sunde P. Fine-scale movement patterns and habitat selection of little owls (Athene noctua) from two declining populations. PLoS One 2021; 16:e0256608. [PMID: 34570774 PMCID: PMC8476024 DOI: 10.1371/journal.pone.0256608] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Accepted: 08/10/2021] [Indexed: 11/22/2022] Open
Abstract
Advances in bio-logging technology for wildlife monitoring have expanded our ability to study space use and behavior of many animal species at increasingly detailed scales. However, such data can be challenging to analyze due to autocorrelation of GPS positions. As a case study, we investigated spatiotemporal movements and habitat selection in the little owl (Athene noctua), a bird species that is declining in central Europe and verges on extinction in Denmark. We equipped 6 Danish food-supplemented little owls and 6 non-supplemented owls in the Czech Republic with high-resolution GPS loggers that recorded one position per minute. Nightly space use, measured as 95% kernel density estimates, of Danish male owls were on average 62 ha (± 64 SD, larger than any found in previous studies) compared to 2 ha (± 1) in females, and to 3 ± 1 ha (males) versus 3 ± 5 ha (females) in the Czech Republic. Foraging Danish male owls moved on average 4-fold further from their nest and at almost double the distance per hour than Czech males. To create availability data for the habitat selection analysis, we accounted for high spatiotemporal autocorrelation of the GPS data by simulating correlated random walks with the same autocorrelation structure as the actual little owl movement trajectories. We found that habitat selection was similar between Danish and Czech owls, with individuals selecting for short vegetation and areas with high structural diversity. Our limited sample size did not allow us to infer patterns on a population level, but nevertheless demonstrates how high-resolution GPS data can help to identify critical habitat requirements to better formulate conservation actions on a local scale.
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Affiliation(s)
- Martin Mayer
- Department of Bioscience, Aarhus University, Aarhus, Denmark
| | - Martin Šálek
- Czech Academy of Sciences, Institute of Vertebrate Biology, Brno, Czech Republic
- Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Prague, Czech Republic
| | | | | | - Lars Bo Jacobsen
- Center for Macroecology, Evolution and Climate, Globe Institute, University of Copenhagen, Copenhagen, Denmark
| | - Peter Sunde
- Department of Bioscience, Aarhus University, Aarhus, Denmark
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Kämmerle J, Taubmann J, Andrén H, Fiedler W, Coppes J. Environmental and seasonal correlates of capercaillie movement traits in a Swedish wind farm. Ecol Evol 2021; 11:11762-11773. [PMID: 34522339 PMCID: PMC8427587 DOI: 10.1002/ece3.7922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 06/20/2021] [Accepted: 06/25/2021] [Indexed: 11/24/2022] Open
Abstract
Animals continuously interact with their environment through behavioral decisions, rendering the appropriate choice of movement speed and directionality an important phenotypic trait. Anthropogenic activities may alter animal behavior, including movement. A detailed understanding of movement decisions is therefore of great relevance for science and conservation alike. The study of movement decisions in relation to environmental and seasonal cues requires continuous observation of movement behavior, recently made possible by high-resolution telemetry. We studied movement traits of 13 capercaillie (Tetrao urogallus), a mainly ground-moving forest bird species of conservation interest, over two summer seasons in a Swedish windfarm using high-resolution GPS tracking data (5-min sampling interval). We filtered and removed unreliable movement steps using accelerometer data and step characteristics. We explored variation in movement speed and directionality in relation to environmental and seasonal covariates using generalized additive mixed models (GAMMs). We found evidence for clear daily and seasonal variation in speed and directionality of movement that reflected behavioral adjustments to biological and environmental seasonality. Capercaillie moved slower when more turbines were visible and faster close to turbine access roads. Movement speed and directionality were highest on open bogs, lowest on recent clear-cuts (<5 y.o.), and intermediate in all types of forest. Our results provide novel insights into the seasonal and environmental correlates of capercaillie movement patterns and supplement previous behavioral observations on lekking behavior and wind turbine avoidance with a more mechanistic understanding.
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Affiliation(s)
- Jim‐Lino Kämmerle
- FVA Wildlife InstituteForest Research Institute of Baden‐Wuerttemberg FVAFreiburgGermany
- Chair of Wildlife Ecology and ManagementUniversity of FreiburgFreiburgGermany
| | - Julia Taubmann
- FVA Wildlife InstituteForest Research Institute of Baden‐Wuerttemberg FVAFreiburgGermany
- Chair of Wildlife Ecology and ManagementUniversity of FreiburgFreiburgGermany
| | - Henrik Andrén
- Grimsö Wildlife Research StationDepartment of EcologySwedish University of Agricultural SciencesRiddarhyttanSweden
| | - Wolfgang Fiedler
- Department of Migration and Immuno‐EcologyMax Planck Institute of Animal BehaviorRadolfzellGermany
| | - Joy Coppes
- FVA Wildlife InstituteForest Research Institute of Baden‐Wuerttemberg FVAFreiburgGermany
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Klarevas-Irby JA, Wikelski M, Farine DR. Efficient movement strategies mitigate the energetic cost of dispersal. Ecol Lett 2021; 24:1432-1442. [PMID: 33977638 DOI: 10.1111/ele.13763] [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: 11/16/2020] [Revised: 01/07/2021] [Accepted: 03/31/2021] [Indexed: 12/20/2022]
Abstract
Dispersal is a critical, but costly, stage of life. During the active phase of dispersal-called transience-individuals face many costs, from increased mortality to reduced foraging opportunities. One cost that is often assumed, but rarely explicitly tested, is the energy expended in making large dispersal movements. However, this cost is not only determined by the distance individual's move, but also how they move. Using high-resolution GPS tracking of dispersing and resident vulturine guineafowl (Acryllium vulturinum), we show that transient individuals exhibit distinct movement behaviours-travelling farther, faster and straighter-that result in a significant reduction in the energetic costs of making large displacements. This strategy allows dispersing birds to travel, on average, 33.8% farther each day with only a 4.1% cost increase and without spending more time moving. Our study suggests that adaptive movement strategies can largely mitigate movement costs during dispersal, and that such strategies may be common.
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Affiliation(s)
- James A Klarevas-Irby
- Department of Migration, Max Planck Institute of Animal Behavior, Radolfzell, Germany.,Centre for the Advanced Study of Collective Behaviour, University of Konstanz, Konstanz, Germany.,Department of Biology, University of Konstanz, Konstanz, Germany.,Department of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland.,Mpala Research Centre, Nanyuki, Kenya
| | - Martin Wikelski
- Department of Migration, Max Planck Institute of Animal Behavior, Radolfzell, Germany.,Centre for the Advanced Study of Collective Behaviour, University of Konstanz, Konstanz, Germany.,Department of Biology, University of Konstanz, Konstanz, Germany
| | - Damien R Farine
- Centre for the Advanced Study of Collective Behaviour, University of Konstanz, Konstanz, Germany.,Department of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland.,Department of Collective Behavior, Max Planck Institute of Animal Behavior, Konstanz, Germany.,Department of Ornithology, National Museums of Kenya, Nairobi, Kenya
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11
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Barry T, Gurarie E, Cheraghi F, Kojola I, Fagan WF. Does dispersal make the heart grow bolder? Avoidance of anthropogenic habitat elements across wolf life history. Anim Behav 2020. [DOI: 10.1016/j.anbehav.2020.06.015] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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12
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Hart EE, Fennessy J, Rasmussen HB, Butler-Brown M, Muneza AB, Ciuti S. Precision and performance of an 180g solar-powered GPS device for tracking medium to large-bodied terrestrial mammals. WILDLIFE BIOLOGY 2020. [DOI: 10.2981/wlb.00669] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Affiliation(s)
- Emma E. Hart
- E. E. Hart (https://orcid.org/0000-0002-5622-2089) ✉ , Laboratory of Wildlife Ecology and Behaviour, School of Biology and Environmental Science, Univ. College Dublin, Dublin, Ireland
| | - Julian Fennessy
- J. Fennessy, Giraffe Conservation Foundation, Windhoek, Namibia
| | | | - Michael Butler-Brown
- M. Butler-Brown, Dept of Biological Sciences Graduate Program in Ecology, Evolution Ecosystems and Society, Dartmouth College, Hanover, NH, USA
| | - Arthur B. Muneza
- A. B. Muneza, Giraffe Conservation Foundation, Windhoek, Namibia
| | - Simone Ciuti
- S. Ciuti, Laboratory of Wildlife Ecology and Behaviour, School of Biology and Environmental Science, Univ. College Dublin, Dublin, Ireland
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13
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Davies C, Wright W, Hogan FE, Davies H. Detectability and activity patterns of sambar deer (Rusa unicolor) in Baw Baw National Park, Victoria. AUSTRALIAN MAMMALOGY 2020. [DOI: 10.1071/am19029] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Introduced sambar deer (Rusa unicolor) are increasing in abundance and distribution across much of south-eastern Australia and causing damage to native ecosystems. However, the current paucity of knowledge surrounding many aspects of sambar deer ecology is limiting our capacity to make informed management decisions, and properly gauge the extent of deer impacts. Here we investigate correlates of sambar deer detectability and describe activity patterns of sambar deer in Baw Baw National Park (BBNP) to inform control operations. Camera traps were deployed in BBNP between October and December 2016. We used an occupancy modelling framework to investigate sambar deer detectability and camera trap record time stamps to determine sambar deer activity patterns. Sambar deer were found to be significantly more detectable near roads and in areas of sparse tree density and displayed strong crepuscular activity patterns. Control operations carried out along roads at dawn and dusk could be effective, at least in the short term. Likewise, aerial culling could be an effective control option for sambar deer populations in BBNP. This study highlights the utility of camera trap data to inform the application of control operations for cryptic invasive species.
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14
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Pruvot M, Musiani M, Boyce MS, Kutz S, Orsel K. Integrating livestock management and telemetry data to assess disease transmission risk between wildlife and livestock. Prev Vet Med 2019; 174:104846. [PMID: 31765959 DOI: 10.1016/j.prevetmed.2019.104846] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 11/12/2019] [Accepted: 11/12/2019] [Indexed: 11/26/2022]
Abstract
Overlap of cattle and wild elk ranges in southwestern Alberta foothills is an opportunity for inter-species interactions. To assess the spatio-temporal patterns of disease transmission risk between cattle and elk, several risk indexes were defined to represent different transmission routes. Risk indexes were estimated by combining elk telemetry data obtained from 168 GPS-collared elk, and cattle management information obtained by interviews conducted in 16 cow-calf operations overlapping the elk home range. We assessed the bias resulting from ignoring cattle movement related to seasonnal grazing practices, and the impact of the assessment of spatio-temporal patterns of risk. Direct transmission risk indexes peaked during winter months, due to aggregation at higher densities of both elk and cattle on winter ranges and winter pastures, respectively. However, a summer peak also was observed when risk indexes were not adjusted for pasture area, due to larger cattle summer pastures overlapping a higher number of elk telemetry locations. We identified periods when the proximity of elk to specific features (such as mineral blocks, hay land, winter-feeding areas, or water sources) may increase the risk of inter-species transmission. Indirect transmission risk indexes increased with the survival of pathogens in the environment, as the temporal constraint for cattle and elk overlap decreased. Finally, integrating pasture management information substantially influenced the magnitude and temporal patterns of transmission risk indexes, highlighting the importance of collecting detailed livestock management data in the context of assessing the risk of inter-species disease transmission.
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Affiliation(s)
- Mathieu Pruvot
- Faculty of Veterinary Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, Alberta T2N 4N1, Canada; Wildlife Conservation Society, Wildlife Health Program, 2300 Southern Boulevard, Bronx, NY 10460, USA.
| | - Marco Musiani
- Faculty of Veterinary Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, Alberta T2N 4N1, Canada; Department of Biological Sciences, Faculty of Science, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada
| | - Mark S Boyce
- Department of Biological Sciences, University of Alberta, 11455 Saskatchewan Drive, Edmonton, Alberta T6G 2E9, Canada
| | - Susan Kutz
- Faculty of Veterinary Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, Alberta T2N 4N1, Canada
| | - Karin Orsel
- Faculty of Veterinary Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, Alberta T2N 4N1, Canada
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15
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Hauenstein S, Fattebert J, Grüebler MU, Naef-Daenzer B, Pe'er G, Hartig F. Calibrating an individual-based movement model to predict functional connectivity for little owls. ECOLOGICAL APPLICATIONS : A PUBLICATION OF THE ECOLOGICAL SOCIETY OF AMERICA 2019; 29:e01873. [PMID: 30756457 DOI: 10.1002/eap.1873] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 12/19/2018] [Accepted: 02/01/2019] [Indexed: 06/09/2023]
Abstract
Dispersal is crucial for population viability and thus a popular target for conservation measures. However, the ability of individuals to move between habitat patches is notoriously difficult to estimate. One solution is to quantify functional connectivity via realistic individual-based movement models. Such simulation models, however, are difficult to build and even more difficult to parameterize. Here, we use the example of natal little owl (Athene noctua) dispersal to develop a new analysis chain for the calibration of individual-based dispersal models using a hybrid of statistical parameter estimation and Approximate Bayesian Computation (ABC). Specifically, we use locations of 126 radio-tracked juveniles to first estimate habitat utilization by generalized additive models (GAMs) and the biased random bridges (BRB) method. We then include the estimated parameters in a spatially explicit individual-based model (IBM) of little owl dispersal and calibrate further movement parameters using ABC. To derive efficient summary statistics, we use a new dimension reduction method based on random forest (RF) regression. Finally, we use the calibrated IBM to predict the dispersal potential of little owls from local populations in southwestern Germany to suitable habitat patches in northern Switzerland. We show that pre-calibrating habitat preference parameters while inferring movement behavioral parameters via ABC is a computationally efficient solution to obtain a plausible IBM parameterization. We also find that dimension reduction via RF regression outperforms the widely used least squares regression, which we applied as a benchmark approach. Estimated movement parameters for the individuals reveal plausible inter-individual and inter-sexual differences in movement behavior during natal dispersal. In agreement with a sex-biased dispersal distance in little owls, females show longer individual flights and higher directional persistence. Simulations from the fitted model indicate that a (re)colonization of northern Switzerland is generally possible, albeit restricted. We conclude that the presented analysis chain is a sensible work-flow to assess dispersal connectivity across species and ecosystems. It embraces species- and individual-specific behavioral responses to the landscape and allows likelihood-based calibration, despite an irregular sampling design. Our study highlights existing, yet narrow dispersal corridors, which may require enhancements to facilitate a recolonization of little owl habitat patches in northern Switzerland.
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Affiliation(s)
- Severin Hauenstein
- Department of Biometry and Environmental System Analysis, University of Freiburg, 79106, Freiburg, Germany
| | - Julien Fattebert
- Swiss Ornithological Institute, CH-6204 Sempach, Switzerland
- School of Life Sciences, University of KwaZulu-Natal, 4000 Durban, South Africa
| | | | | | - Guy Pe'er
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, 04103 Leipzig, Germany
- Department of Conservation Biology, UFZ-Helmholtz Centre for Environmental Research, Department of Economics and Department Ecosystem Services, 04318 Leipzig, Germany
- University of Leipzig, 04109 Leipzig, Germany
| | - Florian Hartig
- Department of Biometry and Environmental System Analysis, University of Freiburg, 79106, Freiburg, Germany
- Theoretical Ecology, University of Regensburg, 93053 Regensburg, Germany
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16
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Osipova L, Okello MM, Njumbi SJ, Ngene S, Western D, Hayward MW, Balkenhol N. Using step‐selection functions to model landscape connectivity for African elephants: accounting for variability across individuals and seasons. Anim Conserv 2018. [DOI: 10.1111/acv.12432] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- L. Osipova
- Wildlife Sciences University of Goettingen Goettingen Germany
- Bangor University Bangor UK
| | - M. M. Okello
- Department of Tourism Management Moi University Nairobi Kenya
| | - S. J. Njumbi
- International Fund for Animal Welfare (IFAW) Nairobi Kenya
| | - S. Ngene
- Kenya Wildlife Service Nairobi Kenya
| | - D. Western
- African Conservation Centre Nairobi Kenya
| | | | - N. Balkenhol
- Wildlife Sciences University of Goettingen Goettingen Germany
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17
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Russell JC, Hanks EM, Haran M, Hughes D. A spatially varying stochastic differential equation model for animal movement. Ann Appl Stat 2018. [DOI: 10.1214/17-aoas1113] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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18
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Benz RA, Boyce MS, Thurfjell H, Paton DG, Musiani M, Dormann CF, Ciuti S. Dispersal Ecology Informs Design of Large-Scale Wildlife Corridors. PLoS One 2016; 11:e0162989. [PMID: 27657496 PMCID: PMC5033395 DOI: 10.1371/journal.pone.0162989] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Accepted: 08/31/2016] [Indexed: 11/22/2022] Open
Abstract
Landscape connectivity describes how the movement of animals relates to landscape structure. The way in which movement among populations is affected by environmental conditions is important for predicting the effects of habitat fragmentation, and for defining conservation corridors. One approach has been to map resistance surfaces to characterize how environmental variables affect animal movement, and to use these surfaces to model connectivity. However, current connectivity modelling typically uses information on species location or habitat preference rather than movement, which unfortunately may not capture dispersal limitations. Here we emphasize the importance of implementing dispersal ecology into landscape connectivity, i.e., observing patterns of habitat selection by dispersers during different phases of new areas’ colonization to infer habitat connectivity. Disperser animals undertake a complex sequence of movements concatenated over time and strictly dependent on species ecology. Using satellite telemetry, we investigated the movement ecology of 54 young male elk Cervus elaphus, which commonly disperse, to design a corridor network across the Northern Rocky Mountains. Winter residency period is often followed by a spring-summer movement phase, when young elk migrate with mothers’ groups to summering areas, and by a further dispersal bout performed alone to a novel summer area. After another summer residency phase, dispersers usually undertake a final autumnal movement to reach novel wintering areas. We used resource selection functions to identify winter and summer habitats selected by elk during residency phases. We then extracted movements undertaken during spring to move from winter to summer areas, and during autumn to move from summer to winter areas, and modelled them using step selection functions. We built friction surfaces, merged the different movement phases, and eventually mapped least-cost corridors. We showed an application of this tool by creating a scenario with movement predicted as there were no roads, and mapping highways’ segments impeding elk connectivity.
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Affiliation(s)
- Robin A. Benz
- Department of Biometry and Environmental System Analysis, University of Freiburg, Freiburg, 79106, Germany
| | - Mark S. Boyce
- Department of Biological Sciences, University of Alberta, Edmonton, T6G 2E9, Canada
| | - Henrik Thurfjell
- Department of Biological Sciences, University of Alberta, Edmonton, T6G 2E9, Canada
| | - Dale G. Paton
- Faculty of Environmental Design, University of Calgary, Calgary, T2N 1N4, Canada
| | - Marco Musiani
- Faculty of Environmental Design, University of Calgary, Calgary, T2N 1N4, Canada
| | - Carsten F. Dormann
- Department of Biometry and Environmental System Analysis, University of Freiburg, Freiburg, 79106, Germany
| | - Simone Ciuti
- Department of Biometry and Environmental System Analysis, University of Freiburg, Freiburg, 79106, Germany
- * E-mail:
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19
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Loretto MC, Schuster R, Bugnyar T. GPS tracking of non-breeding ravens reveals the importance of anthropogenic food sources during their dispersal in the Eastern Alps. Curr Zool 2016; 62:337-344. [PMID: 29491922 PMCID: PMC5829441 DOI: 10.1093/cz/zow016] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2015] [Accepted: 09/08/2015] [Indexed: 11/24/2022] Open
Abstract
In many songbirds, the space use of breeders is well studied but poorly understood for non-breeders. In common ravens, some studies of non-breeders indicate high vagrancy with large individual differences in home range size, whereas others show that up to 40% of marked non-breeders can be regularly observed at the same anthropogenic food source over months to years. The aim of this study was to provide new insights on ravens' behavior during dispersal in the Eastern Alps. We deployed Global Positioning System (GPS) loggers on 10 individuals to gather accurate spatial and temporal information on their movements to quantify: 1) the dimension of the birds' space use (home range size with seasonal effects and daily/long-term travel distances), 2) how long they stayed in a dispersal stage of wandering as opposed to settling temporarily, and 3) their destination of movements. We recorded movements of up to 40 km per hour, more than 160 km within 1 day and more than 11,000 km within 20 months, indicating high vagrancy. Switching frequently between temporarily settling and travelling large distances in short time intervals leads to extensive home ranges, which also explains and combines the different findings in the literature. The destinations are rich anthropogenic food sources, where the birds spent on average 75% of their time. We discuss how ravens may find these "feeding hot spots" and which factors may influence their decision to stay/leave a site. The strong dependence on anthropogenic resources found in this population may have implications for site management and conservation issues.
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Affiliation(s)
- Matthias-Claudio Loretto
- Department of Cognitive Biology, University of Vienna, Althanstrasse 14, A-1090 Vienna, Austria
- Konrad Lorenz Forschungsstelle, Core Facility for Behaviour and Cognition, University of Vienna, Fischerau 11, A-4645, Grünau im Almtal, Austria, and
| | - Richard Schuster
- Department of Forest and Conservation Sciences, University of British Columbia, Vancouver, B.C. Canada V6T 1Z4
| | - Thomas Bugnyar
- Department of Cognitive Biology, University of Vienna, Althanstrasse 14, A-1090 Vienna, Austria
- Konrad Lorenz Forschungsstelle, Core Facility for Behaviour and Cognition, University of Vienna, Fischerau 11, A-4645, Grünau im Almtal, Austria, and
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20
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Cozzi G, Chynoweth M, Kusak J, Çoban E, Çoban A, Ozgul A, Şekercioğlu ÇH. Anthropogenic food resources foster the coexistence of distinct life history strategies: year‐round sedentary and migratory brown bears. J Zool (1987) 2016. [DOI: 10.1111/jzo.12365] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- G. Cozzi
- Population Ecology Research Group Department of Evolutionary Biology and Environmental Studies Zurich University Zürich Switzerland
| | - M. Chynoweth
- Department of Biology University of Utah Salt Lake City UT USA
| | - J. Kusak
- Biology Department Veterinary Faculty University of Zagreb Zagreb Croatia
| | | | - A. Çoban
- KuzeyDoğa Society Kars Turkey
- Department of Parasitology Institute of Health Sciences Kafkas University Kars Turkey
| | - A. Ozgul
- Population Ecology Research Group Department of Evolutionary Biology and Environmental Studies Zurich University Zürich Switzerland
| | - Ç. H. Şekercioğlu
- Department of Biology University of Utah Salt Lake City UT USA
- KuzeyDoğa Society Kars Turkey
- College of Sciences Koç University Istanbul Turkey
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21
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Kays R, Crofoot MC, Jetz W, Wikelski M. ECOLOGY. Terrestrial animal tracking as an eye on life and planet. Science 2015; 348:aaa2478. [PMID: 26068858 DOI: 10.1126/science.aaa2478] [Citation(s) in RCA: 653] [Impact Index Per Article: 72.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Moving animals connect our world, spreading pollen, seeds, nutrients, and parasites as they go about the their daily lives. Recent integration of high-resolution Global Positioning System and other sensors into miniaturized tracking tags has dramatically improved our ability to describe animal movement. This has created opportunities and challenges that parallel big data transformations in other fields and has rapidly advanced animal ecology and physiology. New analytical approaches, combined with remotely sensed or modeled environmental information, have opened up a host of new questions on the causes of movement and its consequences for individuals, populations, and ecosystems. Simultaneous tracking of multiple animals is leading to new insights on species interactions and, scaled up, may enable distributed monitoring of both animals and our changing environment.
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Affiliation(s)
- Roland Kays
- North Carolina Museum of Natural Sciences, Raleigh, NC, USA. Department of Forestry and Environmental Resources, North Carolina State University, Raleigh, NC, USA. Smithsonian Tropical Research Institute, Balboa, Republic of Panama.
| | - Margaret C Crofoot
- Smithsonian Tropical Research Institute, Balboa, Republic of Panama. Department of Anthropology, University of California, Davis, Davis, CA, USA. Department of Migration and Immuno-Ecology, Max Planck Institute for Ornithology, Radolfzell, Germany
| | - Walter Jetz
- Department of Ecology and Evolutionary Biology, Yale University, New Haven, CT 06520, USA. Department of Life Sciences, Imperial College London, Silwood Park Campus, Ascot SL5 7PY, UK
| | - Martin Wikelski
- Smithsonian Tropical Research Institute, Balboa, Republic of Panama. Department of Migration and Immuno-Ecology, Max Planck Institute for Ornithology, Radolfzell, Germany. Department of Biology, University of Konstanz, Konstanz, Germany
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22
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Boyce MS, Johnson CJ, Merrill EH, Nielsen SE, Solberg EJ, van Moorter B. REVIEW: Can habitat selection predict abundance? J Anim Ecol 2015; 85:11-20. [PMID: 25786026 DOI: 10.1111/1365-2656.12359] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2014] [Accepted: 02/06/2015] [Indexed: 11/26/2022]
Abstract
Habitats have substantial influence on the distribution and abundance of animals. Animals' selective movement yields their habitat use. Animals generally are more abundant in habitats that are selected most strongly. Models of habitat selection can be used to distribute animals on the landscape or their distribution can be modelled based on data of habitat use, occupancy, intensity of use or counts of animals. When the population is at carrying capacity or in an ideal-free distribution, habitat selection and related metrics of habitat use can be used to estimate abundance. If the population is not at equilibrium, models have the flexibility to incorporate density into models of habitat selection; but abundance might be influenced by factors influencing fitness that are not directly related to habitat thereby compromising the use of habitat-based models for predicting population size. Scale and domain of the sampling frame, both in time and space, are crucial considerations limiting application of these models. Ultimately, identifying reliable models for predicting abundance from habitat data requires an understanding of the mechanisms underlying population regulation and limitation.
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Affiliation(s)
- Mark S Boyce
- Department of Biological Sciences, University of Alberta, Edmonton, AB, T6G 2E9, Canada
| | - Chris J Johnson
- Ecosystem Science and Management Program, University of Northern British Columbia, 3333 University Way, Prince George, BC, V2N 4Z9, Canada
| | - Evelyn H Merrill
- Department of Biological Sciences, University of Alberta, Edmonton, AB, T6G 2E9, Canada
| | - Scott E Nielsen
- Department of Renewable Resources, University of Alberta, Edmonton, AB, T6G 2H1, Canada
| | - Erling J Solberg
- Norwegian Institute for Nature Research (NINA), Trondheim, 7485, Norway
| | - Bram van Moorter
- Norwegian Institute for Nature Research (NINA), Trondheim, 7485, Norway
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