文章基本信息

标题：Phenological tracking associated with increased salmon consumption by brown bears
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作者：William W. Deacy ; Joy A. Erlenbach ; William B. Leacock 等
期刊名称：Scientific Reports
电子版ISSN：2045-2322
出版年度：2018
卷号：8
期号：1
页码：11008
DOI：10.1038/s41598-018-29425-3
语种：English
出版社：Springer Nature
摘要：= 0.49). Salmon abundance varied 2.5-fold between study years, yet accounting for salmon abundance did not improve salmon consumption models. Resource abundance generally is viewed as the key variable controlling consumption levels and food web dynamics. However, our results suggest that in intact watersheds of coastal Alaska with abundant salmon runs, interannual variation in salmon abundance likely has less effect on salmon consumption than individual variation in bear foraging behavior. The results complement previous work to demonstrate the importance of phenological variation on bear foraging behavior and fitness.