Limnology and Aquatic Birds: Proceedings of the Fourth Conference Working Group on Aquatic Birds of Societas Internationalis Limnologiae (SIL), Sackville, New Brunswick, Canada, August 3–7, 2003

Front Matter....Pages i-x
 In Memoriam : Stuart Frederick Mitchell BSc (Hons), PhD 25 September 1940 – 10 August 2001....Pages 1-2
Front Matter....Pages 4-4
A comparison between aquatic birds of lakes and coastal rivers in Florida....Pages 5-18
Foraging guilds of aquatic birds on productive boreal lakes: environmental relations and concordance patterns....Pages 19-30
Water bird guilds and their feeding connections in the Bodrogzug, Hungary....Pages 31-42
Effects of small-bodied fish on invertebrate prey and foraging patterns of waterbirds in Aspen Parkland wetlands....Pages 43-55
A comparison of three methods to investigate the diet of breeding double-crested cormorants ( Phalacrocorax auritus ) in the Beaver Archipelago, northern Lake Michigan....Pages 57-67
Pattern of natural 15 N abundance in lakeside forest ecosystem affected by cormorant-derived nitrogen....Pages 69-86
Front Matter....Pages 88-88
Temporal processes and duck populations: examples from Mývatn....Pages 89-100
Effects of water quality on habitat use by lesser scaup ( Aythya affinis ) broods in the boreal Northwest Territories, Canada....Pages 101-111
Diurnal time-activity budgets of redheads ( Aythya americana ) wintering in seagrass beds and coastal ponds in Louisiana and Texas....Pages 113-128
Foraging behavior of redheads ( Aythya americana ) wintering in Texas and Louisiana....Pages 129-141
Macroinvertebrate abundance, water chemistry, and wetland characteristics affect use of wetlands by avian species in Maine....Pages 143-167
Breeding waterbird wetland habitat availability and response to water-level management in Saint John River floodplain wetlands, New Brunswick....Pages 169-181
Populations of ducks and trout of the River LaxÁ, Iceland, in relation to variation in food resources....Pages 183-194
Influence of migrant tundra swans (Cygnus columbianus) and Canada geese ( Branta canadensis ) on aquatic vegetation at Long Point, Lake Erie, Ontario....Pages 195-211
Front Matter....Pages 214-214
Factors influencing productivity of common loons ( Gavia immer ) breeding on circumneutral lakes in Nova Scotia, Canada....Pages 215-226
A landscape-scale model of yellow-billed loon ( Gavia adamsii ) habitat preferences in northern Alaska....Pages 227-236
Testing hypotheses of social gatherings of common loons ( Gavia immer )....Pages 237-245
Feeding behavior and modeled energetic intake of common loon ( Gavia immer ) adults and chicks on small lakes with and without fish....Pages 247-261
Assessment of mercury exposure and potential effects on common loons ( Gavia immer ) in Québec....Pages 263-274
Front Matter....Pages 214-214
Bioaccumulation of mercury in yellow perch ( Perca flavescens ) and common loons ( Gavia immer ) in relation to lake chemistry in Atlantic Canada....Pages 275-282
Front Matter....Pages 284-284
Shorebirds, snails, and the amphipod ( Corophium volutator ) in the upper Bay of Fundy: top-down vs. bottom-up factors, and the influence of compensatory interactions on mudflat ecology....Pages 285-306
Trophic structure and avian communities across a salinity gradient in evaporation ponds of the San Francisco Bay estuary....Pages 307-327
Spatial and temporal fluctuations in presence and use of chironomid prey by shorebirds in the Odiel saltpans, south-west Spain....Pages 329-340
Anostracans and microcrustaceans as potential food sources of waterbirds on sodic pans of the Hungarian plain....Pages 341-349