Zobrazeno 1 - 10
of 140
pro vyhledávání: '"Ray T, Alisauskas"'
Publikováno v:
Arctic Science, Vol 10, Iss 4, Pp 778-798 (2024)
True abundance of lesser snow (Anser caerulescens caerulescens, Linnaeus 1758) and Ross's geese (Anser rossii, Cassin 1861, collectively referred to as “light geese”, in North America had been unknown in the 1980s. However, different indices of a
Externí odkaz:
https://doaj.org/article/e44ae71c8c444845a999b1b3886b1df4
Autor:
Dana K. Kellett, Ray T. Alisauskas
Publikováno v:
Ecosphere, Vol 13, Iss 11, Pp n/a-n/a (2022)
Abstract Arctic‐nesting geese are specialist herbivores of grasses and sedges (collectively, graminoids). Under moderate grazing pressure, these migratory herbivores can create and maintain arctic grazing lawns with high nutritional content and low
Externí odkaz:
https://doaj.org/article/1f0ce32c6dae45f3b60ee5706adc814a
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
Abstract Plasticity for breeding dates may influence population vulnerability to climate change via phenological mismatch between an organism’s life cycle requirements and resource availability in occupied environments. Some life history traits may
Externí odkaz:
https://doaj.org/article/5561b8ca1d6f4e369b3e64b9d57e4761
Autor:
Kayla J. Buhler, Ricardo G. Maggi, Julie Gailius, Terry D. Galloway, Neil B. Chilton, Ray T. Alisauskas, Gustaf Samelius, Émilie Bouchard, Emily J. Jenkins
Publikováno v:
Parasites & Vectors, Vol 13, Iss 1, Pp 1-8 (2020)
Abstract Background In a warmer and more globally connected Arctic, vector-borne pathogens of zoonotic importance may be increasing in prevalence in native wildlife. Recently, Bartonella henselae, the causative agent of cat scratch fever, was detecte
Externí odkaz:
https://doaj.org/article/141196d5867a4e3b965d0f85f2f0d00b
Publikováno v:
Avian Conservation and Ecology, Vol 17, Iss 2, p 38 (2022)
Phenological mismatch occurs when the timing of reproductive events and seasonal availability of resources become decoupled, and is increasing in migratory birds in response to climate change. Arctic-nesting geese acquire important nutrient reserves
Externí odkaz:
https://doaj.org/article/87398cba5b024c44a8f09ff82615c5fc
Publikováno v:
PeerJ, Vol 8, p e9382 (2020)
Joint encounter (JE) models estimate demographic rates using live recapture and dead recovery data. The extent to which limited recapture or recovery data can hinder estimation in JE models is not completely understood. Yet limited data are common in
Externí odkaz:
https://doaj.org/article/e05a7b50be6d42e3bc047ed17b8675a7
Autor:
Felipe Dargent, André Morrill, Ray T. Alisauskas, J. Daniel McLaughlin, Dave Shutler, Mark R. Forbes
Publikováno v:
International Journal for Parasitology: Parasites and Wildlife, Vol 6, Iss 1, Pp 22-28 (2017)
The patterns and mechanisms by which biological diversity is associated with parasite infection risk are important to study because of their potential implications for wildlife population's conservation and management. Almost all research in this are
Externí odkaz:
https://doaj.org/article/992124026677470dbb12d74aa6e2848f
Autor:
Joanna B. Wong, Simeon Lisovski, Ray T. Alisauskas, Willow English, Autumn-Lynn Harrison, Dana K. Kellett, Mark Maftei, Avery Nagy-MacArthur, Robert A. Ronconi, Paul A. Smith, Mark L. Mallory, Marie Auger-Méthé
Publikováno v:
Polar Biology. 45:909-922
Publikováno v:
Arctic Science. 7:872-878
As temperatures in the circumpolar north continue to warm, shifts in species distribution and the breakdown of environmental barriers for arthropods may impact the diversity and distribution of ectoparasites in Arctic ecosystems. In May 2019, fur los
Autor:
Dana K. Kellett, Avery Nagy-MacArthur, Joanna B. Wong, Marie-Andrée Giroux, Marie Auger-Méthé, Autumn-Lynn Harrison, Paul Smith, Mark Maftei, Mark L. Mallory, Ray T. Alisauskas, Simeon Lisovski, Willow B. English, Nicolas Lecomte, Robert A. Ronconi
Publikováno v:
Marine Ecology Progress Series. 671:191-206
The Arctic tern is an iconic seabird, famous for its annual migrations between the Arctic and the Antarctic. Its wide geographical range has impeded knowledge of potential population bottlenecks during its annual bi-hemispheric movements. Although Ar