Re-assessing abundance of Southern Hudson Bay polar bears by aerial survey: effects of climate change at the southern edge of the range

Autor: Martyn E. Obbard, Seth Stapleton, Guillaume Szor, Kevin R. Middel, Charles Jutras, Markus Dyck

Publikováno v: Arctic Science, Vol 4, Iss 4, Pp 634-655 (2018)

The Southern Hudson Bay polar bear (Ursus maritimus Phipps, 1774) subpopulation is considered stable, but conflicting evidence lends uncertainty to that designation. Capture–recapture studies conducted in 1984–1986 and 2003–2005 and an aerial s

Externí odkaz: https://doaj.org/article/6827968cc1d6405aa43f2305ff416957

Besnoitia tarandi in Canadian woodland caribou – Isolation, characterization and suitability for serological tests

Autor: Charles Jutras, Gereon Schares, Franz Josef Conraths, Susann Schares, Aline Maksimov, Mareen Tuschy, Walter Basso, Andrea Bärwald, Vincent Brodeur

Publikováno v: International Journal for Parasitology: Parasites and Wildlife
International Journal for Parasitology: Parasites and Wildlife, Vol 8, Iss, Pp 1-9 (2019)
Schares, Gereon; Jutras, Charles; Bärwald, Andrea; Basso, Walter Ubaldo; Maksimov, Aline; Schares, Susann; Tuschy, Mareen; Conraths, Franz J; Brodeur, Vincent (2019). Besnoitia tarandi in Canadian woodland caribou-Isolation, characterization and suitability for serological tests. International journal for parasitology. Parasites and wildlife, 8, pp. 1-9. Elsevier 10.1016/j.ijppaw.2018.11.005

In the present study, we report the first in vitro isolation of Besnoitia tarandi from North America and the second of B. tarandi at all. The parasite was isolated directly from the skin of a Canadian woodland caribou from the migratory ecotype. The

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f398d8d422c9a19145a507ee66cba232
http://europepmc.org/articles/PMC6280010

Estimating the abundance of the Southern Hudson Bay polar bear subpopulation with aerial surveys

Autor: Charles Jutras, Seth P. Stapleton, Kevin R. Middel, Isabelle Thibault, Vincent Brodeur, Martyn E. Obbard

Publikováno v: Polar Biology. 38:1713-1725

The Southern Hudson Bay (SH) polar bear subpopulation occurs at the southern extent of the species’ range. Although capture–recapture studies indicate abundance was likely unchanged between 1986 and 2005, declines in body condition and survival o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c81832b12a4d833412bfb712b1c542c5
https://doi.org/10.1007/s00300-015-1737-5