【摘要】 调查江河源区高寒草地高原鼠兔种群数量,分析种群季节变化规律,构建种群年动态数学模型。结果:密度阻滞型的Logistic方程很好地拟合了高原鼠兔的年度种群数量变化,表明在自然状态下,高原鼠兔以密度阻滞效应来调节其种群数量,即呈“S”型变化为主的曲线,密度很小时则表现为指数方程(dN/dt=rN)式变化。更多还原

【Abstract】 In the source area of the Yangtze and Yellow River,investigating the population of Ochotona curzoniae,analyzing the regulation of its variety following season,and Setting up the population dynamic mathematics model a year.The Result was that the Logistic equation of the density obstructs matched the population variety of Ochotona curzoniae nicely,Which express under the state of nature,the density obstructs effect regulate the population of Ochotona curzoniae,as the year quantity increase or descend follow the report"S" type.While density is very small,it express for dN/dt=rN type variety.更多还原