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Selection of both habitat and genes in specialized and endangered caribou.

Authors :
Cavedon, Maria
vonHoldt, Bridgett
Hebblewhite, Mark
Hegel, Troy
Heppenheimer, Elizabeth
Hervieux, Dave
Mariani, Stefano
Schwantje, Helen
Steenweg, Robin
Watters, Megan
Musiani, Marco
Source :
Conservation Biology; Aug2022, Vol. 36 Issue 4, p1-18, 18p
Publication Year :
2022

Abstract

From pairwise I F i SB ST sb estimates calculated across all SNPs (rare alleles excluded), we found that Boreal caribou were distinguishable from Barren-ground or Mountain caribou, and these differences were more noticeable when habitat selection-associated SNPs only were used (Figure 6). RESULTS Seasonal habitat selection varied between caribou individuals, but with characteristic ecotyp... We used RSFs and determined that caribou selected or avoided a total of 13 habitat variables: they used them nonrandomly within individual seasonal ranges. The type of land cover was also selected, but not shown here as selection was relative to other types (not absolute) gl Variation of habitat selection caribou individuals Habitat selection varied among caribou individuals even when they belonged to the same ecotype (e.g., elevation; Figure 3) and herd, and the same individual could also select different habitats in winter and summer (Figure 4). Winter habitat selection patterns by caribou ecotypes Caribou belonging to all ecotypes consistently selected for areas within their individual winter range that had more snow and were closer to water-saturated soils (e.g., wetlands) (winter regression coefficients for caribou ecotypes in Table S6). [Extracted from the article]

Details

Language :
English
ISSN :
08888892
Volume :
36
Issue :
4
Database :
Complementary Index
Journal :
Conservation Biology
Publication Type :
Academic Journal
Accession number :
158254875
Full Text :
https://doi.org/10.1111/cobi.13900