红碱淖湿地遗鸥及水鸟的种群和分布研究

红碱淖湿地位于中国候鸟迁徙的主要路线上,水鸟分布较为集中,是遗鸥、大天鹅等珍稀水鸟的重要迁徙停歇地和繁殖地。通过对红碱淖湿地遗鸥及水鸟的种群和分布进行了8 a的实地调查和研究,统计分析了红碱淖2001～2007年的遗鸥和水鸟的种群数量动态变化。研究结果表明2007年红碱淖湿地的遗鸥繁殖巢数达5 036巢,种群数量10 072只,已成为全球最大遗鸥种群,在此基础上,还总结了红碱淖湿地7目14科55种水鸟的分布和保护价值,为水鸟的保护和管理提供了依据,对红碱淖湿地遗鸥及水鸟的保护具有重要意义。

Population Dynamics and Distribution of Larus relictus and Waterfowls in Hongjiannao Wetland

Hongjiannao wetland,located on the migratory route of birds in China and an area of concentrated distribution of waterfowls,was the main spot for resting and reproduction of Larus relictus and waterfowls in migration.From 2001 to 2007,population and distribution of waterfowls and/nrus relictus were surveyed for 8 years.Results showed that,in 2007,5 036 reproductive nests of Larus relictus were recorded,population number 10 072,being the largest population in the world in 2007.For waterfowls,7 orders, 14 families and 55 species were recorded and their conservation value discussed.