摘要
2004年3~5月在扎龙国家级自然保护区内用生境因子测定法对苍鹭的巢址选择进行了研究。结果表明,植被类型是影响苍鹭巢址选择的首要因子,所有的苍鹭均在芦苇沼泽中营巢;巢距人为活动不频繁地距离和植被高度(P<0.01)是影响苍鹭巢址选择的重要因子;植被密度、巢下水深(P<0.05)对苍鹭的巢址选择也有一定程度的影响。
Selection of grey herons for their nest sites in Zhalong Nature Reserve were surveyed by the factor measurement method from March to May, 2004.Results indicated that the principal factor was the type of vegetation, so that herons constructed their nests all in the reed marsh. Important factors were the distance of nests from areas where human activities were infrequent and heights of vegetation ( P 〈 0.01 ) . Other factors that influenced their selection to some extent were density of vegetation and water depth under nests (P 〈0.05)
基金
国家自然科学基金(30670350)。
关键词
扎龙湿地
苍鹭
巢址选择
Zhalong Nature Reserve
Grey heron
Nest- site selection