Habitat use by white-winged scoters (Melanitta fusca) and surf scoters (Melanitta perspicillata) in the Mackenzie delta region, Northwest Territories / Shannon Haszard
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TextPublication details: Saskatoon, SK : University of Saskatchewan, 2004.Description: xii, 82 leaves : ill. ; 29 cmOnline resources: Abstract: Apparent long-term declines of white-winged and surf scoters (Melanitta fusca and M. perspicallata) populations in the northern boreal forest have raised concern for these sea duck species. Reasons for population declines are not well understood but some evidence suggests that factors associated with events on the breeding grounds may be responsible.Breeding ground changes could adversely affect abiotic or biotic characteristics of upland or wetland habitats or key food sources for breeding females or ducklings, which in turn may lower productivity or recruitment. Like most boreal-nesting ducks, virtually nothing in known about wetland habitat preferences of scoters. Determining habitat features that scoters need to breed successfully, and how habitat changes in the boreal forest affect scoters, are important steps in understanding their ecology and developoing conservation initiatives.Thus, my overall goal was to look for evidence of habitat selection in scoters at two spatial scal
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Thesis(M.Sc.)--University of Saskatchewan, 2004.
Includes bibliographical references (leaves 74-75).
Apparent long-term declines of white-winged and surf scoters (Melanitta fusca and M. perspicallata) populations in the northern boreal forest have raised concern for these sea duck species. Reasons for population declines are not well understood but some evidence suggests that factors associated with events on the breeding grounds may be responsible.Breeding ground changes could adversely affect abiotic or biotic characteristics of upland or wetland habitats or key food sources for breeding females or ducklings, which in turn may lower productivity or recruitment. Like most boreal-nesting ducks, virtually nothing in known about wetland habitat preferences of scoters. Determining habitat features that scoters need to breed successfully, and how habitat changes in the boreal forest affect scoters, are important steps in understanding their ecology and developoing conservation initiatives.Thus, my overall goal was to look for evidence of habitat selection in scoters at two spatial scal