Their essence is the same, which both were represented at the same time when the problem of population, resource, and environment afflicting our survival.

• 第二章从承载力的有关理论出发,引出了承载力之一的水资源承载力,然后分别详细地论述了水资源承载力的概念、内涵、特性、影响因素及研究的基本原则;