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Migratory birds modulate niche tradeoffs in rhythm with seasons and life historyстатья
Статья опубликована в высокорейтинговом журнале
Статья опубликована в журнале из списка Web of Science и/или Scopus- Авторы: Yanco Scott W., Oliver Ruth Y., Iannarilli Fabiola, Carlson Ben S., Heine Georg, Mueller Uschi, Richter Nina, Vorneweg Bernd, Andryushchenko Yuriy, Batbayar Nyambayar, Dagys Mindaugas, Desholm Mark, Galtbalt Batbayar, Gavrilov Andrey E., Goroshko Oleg A., Ilyashenko Elena I., Ilyashenko Valentin Yu, Månsson Johan, Mudrik Elena A., Natsagdorj Tseveenmyadag, Nilsson Lovisa, Sherub Sherub, Skov Henrik, Sukhbaatar Tuvshintugs, Zydelis Ramunas, Wikelski Martin, Jetz Walter, Pokrovsky Ivan
- Журнал: Proceedings of the National Academy of Sciences of the United States of America
- Том: 121
- Номер: 41
- Год издания: 2024
- Издательство: National Academy of Sciences
- Местоположение издательства: United States
- Номер статьи: e2316827121
- DOI: 10.1073/pnas.2316827121
- Аннотация: Movement is a key means by which animals cope with variable environments. As they move, animals construct individual niches composed of the environmental conditions they experience. Niche axes may vary over time and covary with one another as animals make tradeoffs between competing needs. Seasonal migration is expected to produce substantial niche variation as animals move to keep pace with major life history phases and fluctuations in environmental conditions. Here, we apply a time-ordered principal component analysis to examine dynamic niche variance and covariance across the annual cycle for four species of migratory crane: common crane (Grus grus, n = 20), demoiselle crane (Anthropoides virgo, n = 66), black-necked crane (Grus nigricollis, n = 9), and white-naped crane (Grus vipio, n = 9). We consider four key niche components known to be important to aspects of crane natural history: enhanced vegetation index (resources availability), temperature (thermoregulation), crop proportion (preferred foraging habitat), and proximity to water (predator avoidance). All species showed a primary seasonal niche “rhythm” that dominated variance in niche components across the annual cycle. Secondary rhythms were linked to major species-specific life history phases (migration, breeding, and nonbreeding) as well as seasonal environmental patterns. Furthermore, we found that cranes’ experiences of the environment emerge from time-dynamic tradeoffs among niche components. We suggest that our approach to estimating the environmental niche as a multidimensional and time-dynamical system of tradeoffs improves mechanistic understanding of organism–environment interactions.
- Добавил в систему: Мудрик Елена Анатольевна