density-dependence相关论文
Many rodent species exhibit periodic fluctuations in population abundance.This can have important consequences for proce......
本文通过对荣华二采区10...
在郑州郊区麦田,蚜茧蜂寄生的僵蚜与麦蚜的种群密度呈显著的跟随现象,时滞时间是5~7d。将二者在田间水平分布型的连续调查资料,以负二项式......