【摘要】 作者于1991年7～9月,对波纹龙虱捕食淡色库蚊幼虫功能反应进行了研究。结果表明。在实验室条件下,波纹龙虱的捕食量随着蚊幼密度的增加而增大,其曲线符合Holling Ⅱ型功能反应,即其捕食量与猎物密度呈负加速曲线型。并根据Holling圆盘方程,建立了波纹龙虱捕食功能反应数学模型。波纹龙虱的寻找效应随着猜物密度的增加而降低。更多还原

【Abstract】 In laboratory it was observed the functional response Eretes Sticticus (L.)to larvas of its prey, Culex pipiens pallens. Functional response of the predator to its prey’s density was found to be positively correlated with the prey’s density. The functional response of Eretes stictieus to the mosquito larva density can be described by the model of Holling Ⅱ. The Chi-square statistic showed that the theoretical expectafion fits the observed value. Looking effect of the predator to its prey was found to be negatively correlated with the prey’s density.更多还原