【摘要】 根据多年的实地调查数据,研究了褐家鼠在新疆干旱环境中的种群生态学特征.结果表明,褐家鼠种群 内禀增长率(rm)O.221,种群周限增长率(λ)为1.247.同时还发现,褐家鼠移入新疆干旱环境后,其种群年龄结 构尚未见明显变化,仍为稳定增长.更多还原

【Abstract】 In this paper,according to the many years on the spot investigation,we have studied primarily the Rattus norvegicus population structure characteristics in the arid zone. The results are as follows, the innate capacity of increase (rm) is 0. 221 and finite rate of increase (λ)is 1.247. Rattus norvecigicus population age structure belongs to the stable age distribution.更多还原