A STUDY OF BIRD PREDATION ON PINE CATERPILLAR LARVAE IN THE ARTIFICIAL MASSON''''S PINE PLANTATION IN NORTHERN ZHEJIANG
浙北马尾松人工林鸟类捕食松毛虫幼虫的研究

Keywords: Masson's pine plantation,Pinus massoniana,Bird commu-nities,Masson's pine caterpillar larvae,Dendrolimus punctatus,Birb preda-tion,norhern Zhejiang

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Abstract:

对浙北马尾松人工林的鸟类区系及数量动态以及鸟类捕食松毛虫幼虫进行了实验观察。松毛虫可按季节分为三个世代阶段,各世代阶段的种群密度波动较大,而相应的鸟类平均密度却较稳定。利用防鸟围网采用样方对照法调查鸟类捕食松毛虫幼虫的作用,4至9月鸟类移走实验虫数的4.7—22.2％。但不同时期,不同地块鸟类的捕食作用不同。

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