非密度制约因子(density dependent factors)：对生物作用的强度与 生物密度变化无关的因子。温度、降水、气候等因子 蒙恰斯基，稳定性及其作用特点： 稳定因子(steady...
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The main effect factors of the quantity change of rodent were "nondensity dependent factor" and the density dependent factors had some effect also.
主要影响因素是非密度制约因素，但密度制约因素亦有一定影响。
There are as well as density-dependent biological factors such as disease, predation, and intraspecific competition .
还有密度制约的生物因素，诸如病害、捕食和种内竞争等。
There is no need to regard density-dependent factors as having any special importance.
没有必要认为密度制约因素具有任何特殊的重要性。
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