A number of countries pointed out that the major ecosystems that support human sustenance, such as forests, freshwater systems, coastal marine habitats, grasslands and agricultural lands, were all stretched to the limit.
71. 一些国家指出，供养人类的主要生态系统，例如森林、淡水系统、沿海海洋生境、草原和农耕地都已经用到了极限的地步。