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The Waterbird Society Scientific Study and Conservation of the World's Waterbirds |
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The Waterbird Society Scientific Study and Conservation of the World's Waterbirds |
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WATERBIRDS
THE INTERNATIONAL JOURNAL OF WATERBIRD BIOLOGY JOURNAL OF THE WATERBIRD SOCIETY Volume 25, Special Publication (1) 2002 PROCEEDINGS OF THE FOURTH INTERNATIONAL
SWAN SYMPOSIUM
13-18 FEBRUARY 2001 AIRLIE CONFERENCE CENTER, WARRENTON, VIRGINIA, USA EDITED BY Forward. Eileen Rees and Susan Earnst NUMBERS, TRENDS AND DISTRIBUTION Trumpeter Swan Numbers and Distribution in Western Canada, 1970–2000. James S. Hawkings, André Breault, Sean Boyd, Mike Norton, Gerard Beyersbergen and Paul Latour. 8-21 Population Trends and Productivity of Tundra Swans on the Central Arctic Coastal Plain, Northern Alaska, 1989–2000. Robert J. Ritchie, James G. King, Alice A.Stickney, Betty A. Anderson, John R. Rose, Ann M. Wildman and Sandy Hamilton. 22-31 Population Trends, Productivity, and Harvest of Eastern Population Tundra Swans. Jerome R. Serie, Dennis Luszcz and Robert V. Raftovich. 32-36 The Status and Distribution of the Icelandic Whooper Swan Population: Results of the International Whooper Swan Census 2000. Peter A. Cranswick, Kendrew Colhoun, Olafur Einarsson, J. Graham McElwaine, Arnthor Gardarsson, Mark S. Pollitt and Eileen C. Rees. 37-48 Long-term Trends in the Number of Whooper Swans Molting at Lake Myvatn, Iceland, 1974-2000. Arnthor Gardarsson, Arni Einarsson and Sverrir Thorstensen. 49-52 Numbers of Mute Swans and Whooper Swans in Sweden, 1967–2000. Leif Nilsson. 53-60 Numbers and Distribution of Whooper Swans Breeding, Wintering and on Migration in Estonia, 1990-2000. &3160 Leho Luigujõe, Andres Kuresoo and Agu Leivits. 61-66 Reassessment of the Southern Limit for Whooper Swans Breeding in Northwest Russia. Tatiana Y. Hokhlova and Alexandr V. Artemjev. 67-73 Numbers and Ecology of Swans Wintering in Japan. John O. Albertsen and Yuji Kanazawa. 74-85 Annual Variation in the Proportion of Whooper Swans and Bewick’s Swans Breeding in Northern European Russia. Yuri M. Shchadilov, Eileen C. Rees, Anna V. Belousova and John M. Bowler. 86-94 Status and Breeding Ecology of Bewick’s Swans in the Lena Delta, Yakutia, Northern Asia. Vladimir I. Pozdnyakov. 95-99 Distribution and Population Estimates for Swans in the Siberian Arctic in the 1990s. Evgeny E. Syroechkovski, Jr. 100-113 Effects of El Niño Southern Oscillation on Numbers of Black-necked Swans at Río Cruces Sanctuary, Chile. Roberto P. Schlatter, René A. Navarro and Paulo Corti. 114-122 Effects of El Niño on Abundance and Breeding of Black-necked Swans on El Yali Wetland in Chile. Yerko A. Vilina, Hernán L. Cofré, Celeste Silva-García, María D. García and Carola Pérez-Friedenthal. &3160 123-127 MOVEMENTS AND ECOLOGY ON MIGRATION Teaching Migration Routes to Canada Geese and Trumpeter Swans Using Ultralight Aircraft, 1990–2001. William J.L. Sladen, William A. Lishman, David H. Ellis, Gavin G. Shire and Donielle L. Rininger. 132-137 Use of Winter Translocations to Expand Distribution of Trumpeter Swans in the Western United States. Roderick C. Drewien, Kent Clegg and Ruth E. Shea 138-142 Population Trends and Habitat Use of Tundra Swans Staging at Long Point, Lake Erie. Scott A. Petrie, Shannon S. Badzinski and Kerrie L. Wilcox. 143-149 Tundra Swan Use of the Upper Mississippi River during Autumn Migration. Erik M. Thorson, James A. Cooper and Eric Nelson. 150-156 Sex Differences in the Movements of Mute Swans. Richard Collins. 157-161 FEEDING ECOLOGY Effects of Grazing on Grasslands by Wintering Whooper Swans. Kendrew Colhoun and Keith R. Day. 168-176 Habitat Usage and Field Choice by Mute and Whooper Swans in the Tweed Valley, Scotland. Helen Chisholm and Chris Spray. 177-182 Habitat Use and Activity Patterns of Mute Swans at a Molting and a Wintering Site in Denmark. Thomas Eske Holm. 183-191 BREEDING ECOLOGY Occupancy and Turnover of Whooper Swans on Territories in Northern Iceland: Results of a Long-term Study. Olafur Einarsson and Eileen C. Rees. 202-210 Growth and Survival of Whooper Swan Cygnets Reared in Different Habitats in Finland. Hanne Lise Knudsen, Bjarke Laubek and Arvo Ohtonen. 211-220 Nesting Ecology of Bewick’s Swans on Vaygach Island, Russia. Evgeny V. Syroechkovsky, Konstantin E. Litvin and Elena N. Gurtovaya. 221-226 Spatial Distribution, Habitat Characteristics and Nest-site Selection by Tundra Swans on the Central Arctic Coastal Plain, Northern Alaska. Alice A. Stickney, Betty A. Anderson, Robert J. Ritchie and James G. King. 227-235 Nesting Ecology of Tundra Swans on the Coastal Yukon-Kuskokwim Delta, Alaska. Christopher A. Babcock, Ada C. Fowler and Craig R. Ely. 236-240 Tundra Swans of the Lower Alaska Peninsula: Differences in Migratory Behavior and Productivity. Christian P. Dau and John E. Sarvis. 241-249 Egg Size Variation in Mute Swans: Its Influence on Egg Hatchability, Cygnet Body Size and Cygnet Survival. Andrzej Czapulak. 250-257 Timing of Primary Molt in Breeding Mute Swans. Andrzej Czapulak. 258-267 Parental Care in Tundra Swans during the Pre-fledging Period. Susan L. Earnst. 268-277 Parental Care Behavior and Double-brooding in Coscoroba Swan in Central Chile. Gwenda L. Brewer and Yerko Vilina. &3160 278-284 Activity Budgets of Nesting Trumpeter Swans in Interior Alaska. Karen S. Bollinger and Rodney J. King. &3160 285-292 Laying and Incubation Behavior of Captive Trumpeter Swans. Harry G. Lumsden. 293-295 CONSERVATION AND MANAGEMENT Overview of the Trumpeter Swan Reintroduction Program in Ontario 1982-2000. Harry G. Lumsden and Mark Drever. 301-312 Development of an Expert System for Assessing Trumpeter Swan Breeding Habitat in the Northern Rocky Mountains. Richard S. Sojda, John E. Cornely, and Adele E. Howe. 313-318 Bayesian Time Series Analysis of Segments of the Rocky Mountain Trumpeter Swan Population. Chris K. Wright, Richard Sojda and Daniel Goodman. 319-326 Potential Wind Park Impacts on Whooper Swans in Winter: the Risk of Collision. Jesper Kyed Larsen and Preben Clausen. 327-330 Threats to Whooper Swans in Xinjiang, China. Ma Ming and Cai Dai. 331-333 BIOMETRICS, GENETICS, VOCALIZATIONS
AND HEALTH A Preliminary Analysis of Mute Swan Biometrics in Relation to Sex, Region and Breeding Status. Jonathan T. Coleman and Albert E. Coleman. 340-345 The Dynamics of a Flock of Mute Swans at Berwick-upon-Tweed with Particular Reference to the Effects of Age, Sex, Social Status and Body Condition on Molt. Jonathan T. Coleman, Christopher J. Spray, Stephen M. Percival, Andrew T. Rickeard and Peter Yeoman. 346-351 The Accuracy of Sexing Mute Swan Cygnets by Cloacal Examination. Allan W. Brown and Lyndesay M. Brown. 352-354 Isozyme Analysis Reveals Genetic Differences Between Three Trumpeter Swan Populations. Charles Pelizza and Hugh B. Britten. 355-359 Vocal Characteristics of Trumpeter and Tundra Swans and their Hybrid Offspring. Thomas C. Wood, Thomas O. Brooks and William J. L. Sladen. 360-362 Trends in Mute Swan Blood Lead Levels: Evidence of Grit Reducing Lead Poisoning. John O'Halloran, Patrick Smiddy, Xie Quishi, Ruth O'Leary and Catherine Hayes. 363-367 Survival and Reproductive Success of Trumpeter Swans after Treatment for Lead Poisoning. Laurel Degernes, Steve Kittelson, Madeleine Linck and Patricia Manthey. 368-374 Baseline Hematology and Clinical Chemistry Results from Captive-raised Trumpeter Swans. Glenn H. Olsen, Donielle L. Rininger, Marika K. Ets, William J. L. Sladen. 375-379 Recommendations. Eileen Rees, Roberto Schlatter, Carl Mitchell, Jan Beekman, Bert Coleman, Susan Earnst, Olafur Einarsson, Bjarke Laubek, Ma Ming, Donielle Rininger, Maria Wieloch and Gerard Boere. 380-381 Obituary. 382-383 Papers Published Elsewhere. 384 Wetlands International/IUCN-SSC Swan Specialist Group. 385 |