河南信阳国家一级保护鸟类分布新记录— — —鲇鱼山水库中华秋沙鸭越冬种群及其行为观察鲇鱼山水库中华秋沙鸭越冬种群及其行为观察
The New Distribution Recordof the First Nationally Protected Animalsin Xinyang Henan Province———TheThe Wintering Population and Behaviora Observation of Mergus squamatu in Nianyushan Reservoir
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摘要: 中华秋沙鸭( M e r g u s s q u a m a t u s )属于国家一级保护动物,被I U C N定为濒危物种.2 0 1 2年1 2月,河南省商城县鲇鱼山水库发现中华秋沙鸭越冬种群,越冬时间约为1 2 0d ,不同时间或在不同水域观察到的最小种群数量为1只,最大种群数量为2 5只,常见种群数量为5±3只,是目前在河南省境内首次发现的中华秋沙鸭最大越冬种群,也是信阳市鸟类分布新记录.Abstract: Mergus squamatus was the first nationally protected animals and was added to endangered species by IUCN. In December 2012, Mergus squamatus’ wintering population was found in Nianyushan Reservoir of Shangcheng County inHenan Province for the first time. The wintering time of Mergus squamatus in Nianyushan Reservoir was about 120 d. At different times or at different water areas, the minimum population quantity was 1 and the maximum was 25. The common population quantity was 5±3. This was the first record of the biggest wintering population of Mergus squamatus in Henan Province, and the new distribution record of Xinyang.
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