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Wildland Resources Faculty Publications

Body mass; brine shrimp; diet; fisheries; Great Salt Lake; green-winged teal; northern shoveler

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Diet And Body Mass Of Ducks In The Presence Of Commercial Harvest Of Brine Shrimp Cysts In The Great Salt Lake, Utah, Anthony J. Roberts, Michael R. Conover Aug 2014

Diet And Body Mass Of Ducks In The Presence Of Commercial Harvest Of Brine Shrimp Cysts In The Great Salt Lake, Utah, Anthony J. Roberts, Michael R. Conover

Wildland Resources Faculty Publications

Commercial fisheries and waterbirds are often in competition for available resources and may affect each other through limiting available forage for birds or reducing harvest for commercial fisheries. Relatively little is known regarding the wintering population of waterfowl on the hypersaline Great Salt Lake (GSL), Utah, but mid-winter counts indicate waterfowl use the GSL during winter coinciding with a commercial harvest of brine shrimp (Artemia franciscana) cysts (i.e., eggs). We surveyed previously unmonitored pelagic regions of GSL to estimate total wintering populations of waterfowl and collected northern shoveler (Anas clypeata) and green-winged teal (Anas crecca) during 3 nonbreeding seasons ...