دورية أكاديمية
Environmental drivers of population-level variation in the migratory and diving ontogeny of an Arctic top predator.
| العنوان: | Environmental drivers of population-level variation in the migratory and diving ontogeny of an Arctic top predator. |
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| المؤلفون: | Grecian WJ; Sea Mammal Research Unit, Scottish Oceans Institute, University of St Andrews, St Andrews, UK., Stenson GB; Fisheries and Oceans Canada, St John's, Newfoundland and Labrador, Canada., Biuw M; Institute of Marine Research, FRAM-High North Research Centre for Climate and the Environment, Tromsø, Norway., Boehme L; Sea Mammal Research Unit, Scottish Oceans Institute, University of St Andrews, St Andrews, UK., Folkow LP; Department of Arctic and Marine Biology, University of Tromsø-the Arctic University of Norway, Tromsø, Norway., Goulet PJ; Fisheries and Oceans Canada, St John's, Newfoundland and Labrador, Canada., Jonsen ID; Department of Biological Sciences, Macquarie University, Sydney, Australia., Malde A; Department of Arctic and Marine Biology, University of Tromsø-the Arctic University of Norway, Tromsø, Norway., Nordøy ES; Department of Arctic and Marine Biology, University of Tromsø-the Arctic University of Norway, Tromsø, Norway., Rosing-Asvid A; Greenland Institute of Natural Resources, PO Box 570, 3900 Nuuk, Greenland., Smout S; Sea Mammal Research Unit, Scottish Oceans Institute, University of St Andrews, St Andrews, UK. |
| المصدر: | Royal Society open science [R Soc Open Sci] 2022 Mar 02; Vol. 9 (3), pp. 211042. Date of Electronic Publication: 2022 Mar 02 (Print Publication: 2022). |
| نوع المنشور: | Journal Article |
| اللغة: | English |
| بيانات الدورية: | Publisher: Royal Society Publishing Country of Publication: England NLM ID: 101647528 Publication Model: eCollection Cited Medium: Print ISSN: 2054-5703 (Print) Linking ISSN: 20545703 NLM ISO Abbreviation: R Soc Open Sci Subsets: PubMed not MEDLINE |
| أسماء مطبوعة: | Original Publication: London : Royal Society Publishing, 2014- |
| مستخلص: | The development of migratory strategies that enable juveniles to survive to sexual maturity is critical for species that exploit seasonal niches. For animals that forage via breath-hold diving, this requires a combination of both physiological and foraging skill development. Here, we assess how migratory and dive behaviour develop over the first year of life for a migratory Arctic top predator, the harp seal Pagophilus groenlandicus , tracked using animal-borne satellite relay data loggers. We reveal similarities in migratory movements and differences in diving behaviour between 38 juveniles tracked from the Greenland Sea and Northwest Atlantic breeding populations. In both regions, periods of resident and transitory behaviour during migration were associated with proxies for food availability: sea ice concentration and bathymetric depth. However, while ontogenetic development of dive behaviour was similar for both populations of juveniles over the first 25 days, after this time Greenland Sea animals performed shorter and shallower dives and were more closely associated with sea ice than Northwest Atlantic animals. Together, these results highlight the role of both intrinsic and extrinsic factors in shaping early life behaviour. Variation in the environmental conditions experienced during early life may shape how different populations respond to the rapid changes occurring in the Arctic ocean ecosystem. Competing Interests: We declare we have no competing interests. (© 2022 The Authors.) |
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| فهرسة مساهمة: | Keywords: animal movement; biologging; foraging ecology; migration; move persistence; spatial ecology |
| سلسلة جزيئية: | figshare 10.6084/m9.figshare.c.5849138 Dryad 10.5061/dryad.2jm63xsqh |
| تواريخ الأحداث: | Date Created: 20220323 Latest Revision: 20240824 |
| رمز التحديث: | 20240826 |
| مُعرف محوري في PubMed: | PMC8889203 |
| DOI: | 10.1098/rsos.211042 |
| PMID: | 35316952 |
| قاعدة البيانات: | MEDLINE |
Full Text Finder | تدمد: | 2054-5703 |
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| DOI: | 10.1098/rsos.211042 |