摘要
本文对吉林省重要森林益鸟山雀科（Ｐａｒｉｄａｅ）作了种群生态的比较研究，包括居留情况、种群密度、繁殖力、雏鸟体重增长及Ｌｏｇｉｓｔｉｃ曲线、巢位选择、盲雏及食物分析，山雀科平均每巢育雏昆虫５４２８只，近７６７ｇ，其中绝大部分是害虫，山雀科和保护森林关系十分密切。
A cornparat ive study on the population ecology of Paridae birds in Jilinprovince is made.It includes residence situation,population densities,reproductive capacity,weigth growth of nesting and logistic curves,sparrow site choice,brood aiid food habit analy-sis.Ther are 5428 inseet a nest in average,nearly 767g.Most of them are pests The real -tionships between Paridae and protecting forest anr intimate.
关键词
种群生态
种群密度
繁殖力
山雀
Population ecology,Population densities,Fecunaity,Logistic equation,Sim-ilarity index
