Ducks Unlimited Canada
National Boreal Program
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Edmonton, Alberta, Canada
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Featured Publications

Connecting the trophic dots: Responses of an aquatic bird species to variable abundance of macroinvertebrates in northern boreal wetlands

Publication Type: Scientific

To evaluate variation in abundance of boreal wetland macroinvertebrates and test for effects of this variation on the diet and habitat use of a bird species that consumes aquatic invertebrates (lesser scaup, Aythya affinis), we collected macroinvertebrates and birds and conducted bird surveys (June-August) at two wetland complexes in northwestern Canada and assessed diet composition using an isotopic approach.

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