厦门白鹭自然保护区鹭类繁殖的空间分布

采用样方法，根据生态学原理，分析厦门白鹭自然保护区大屿岛鹭类繁殖的空间分布规律，结果表明：鹭类在大屿岛繁殖时，具有明显的水平分布特征，夜鹭（Nycticorax nycticorax）主要分布于核心中部偏南的中央大片区域，白鹭（Egretta garzetta）各处理能分布、池鹭（Aroleola bacchus）仅分布于核心区的南北；牛背鹭（Bubulcus ibis）和黄嘴白鹭（Egretta eulophotes）只分布在核心中区部偏最高，白鹭、牛背鹭和黄嘴白鹭的巢居中，而且三者巢位相近；在白鹭和池鹭营巢在同一树上的情况下，池鹭的巢处于上层，对鹭类群体繁殖时间的空间分布现象的产生原因也进行了探讨。

The Spatial Distribution of Breeding Ardeidae in Dayu Island, Xiamen EgretNatural Reserve

With sampling method and ecological theory, the spatial distribution of Ardeidae in Dayu Island, Xiamen Egret Natural Reserve were investigated and discussed. The results show that there is a horizontal distribution in colonial breeding Ardeidae. Nycticerax nycticorax mainly distribute on southern region in the center of the core area; Egretta garzetta breed in all regions of the core area; Ardeola bacchus only locate their nests on both northern and southern sides of the core area; Bubulcus ibis and Egretta eulophotes place their nests on the North of the core area, sharing the place with Egretta garzetta and Aroleola bacchus . During breeding period, the vertical distributions also appear. Nycticorax nycticorax locate their nests on the tiptop of the forest; the nests of Egretta garzetta, Bubulcus ibis and Egretta eulophotes are in the middle. When Egretta garzetta and Aroleola bacchus nest on the same tree, the latter usually nest in higher place.