江西省白腰文鸟巢址选择

2015年12月与2016年3月,在南昌市江西师范大学瑶湖校区和宜春靖安县宝峰镇对白腰文鸟(Lonchura striata)的巢址选择进行了调查.主成分分析表明,影响白腰文鸟巢址选择的主要因素包括巢树与食物及水因子、安全因子和巢隐蔽因子.用5 m×5 m样方法对巢址和对照样方进行统计分析表明,巢树高和林冠宽度存在显著差异.这一结果表明,白腰文鸟倾向于选择树较高、林冠较宽的小生境营巢,这与巢需要高的安全性有关.

The Nest-Site Selection of White-Rumped Munia Lonchura striatain Jiangxi Province,China

In December 2015 and March 2016,nest-site selection of White-rumped Munia Lonchura striata was investigated in Nanchang City and Yichun City,Jiangxi Province.The principal composition analysis indicated that the main factors affecting the nest-site selection of White-rumped Munia were nest-tree,food abundance,water,nest security and nest concealment.Comparisons between the nest-site and control plots revealed significant differences innest-tree height and canopybreadth.This study indicated that the White-rumped Munia preferred higher tree and wide canopyas nest-site,which was related with higher security requirement for nest.