环境承载力又称环境承受力或环境忍耐力,很多时候,我们也把它和环境人口容量等同起来。它是指在一定时期内,某一地域在生存条件保证的情况下,地区资源所能维持供养的最大人口数。从定义中我们可以得到三点信息。第一,该地区能够维持供养的人口的生活标准很低,只是维系其生存保障,是生物学上所谓的人类生存所需资源的底线。因而,其中最大人口数就等同于地区人口的上限。第二,地区能够维持供养人口数的多少与地区能够提供资源 Environmental capacity, also known as environmental tolerance or environmental endurance, very often, we also equate it with the capacity of the environment population. It refers to a certain period of time, a region under the conditions of living conditions, the regional resources can maintain the maximum population. We can get three points from the definition. First, the standard of living for those who can sustain their subsistence in the region is very low, only to maintain their subsistence guarantee and is the bottom line of the biological resources required for human survival. Thus, the largest population is equivalent to the upper limit of the population in the area. Second, how much and where the region can maintain the number of dependents provides resources