这是因为淡水生态系统和人类活动密切相关。
That's because freshwater ecosystems are so closely linked to human activity.
与合作伙伴共同努力，恢复了17个湖泊与长江的连通，令长江中游的淡水生态系统重现生机。
WWF and our partners have facilitated the reconnection of 17 lakes to the Yangtze River, infusing new life to its fragile freshwater ecosystem.
所有这些淡水生态系统可以在一个分水岭中被发现—那是一套可以把比如大湖泊或者海洋这样单一的水域排干的栖息地。
All the freshwater ecosystems can be found within a watershed-a set of habitats that drain into a single body of water such as a big lake or the ocean.
水，乃生活之本。在这个星球上，只有极少的一部分水——占不足全部水体的百分之一——服务于近70亿的人口以及无数的淡水水生态系统。
Water is the basis of life, and on this planet only a tiny share—less than one percent of all water—is available for nearly 7 billion people and a myriad of freshwater aquatic ecosystems.
水，乃生活之本。在这个星球上，只有极少的一部分水——占不足全部水体的百分之一——服务于近70亿的人口以及无数的淡水水生态系统。
Water is the basis of life, and on this planet only a tiny share—less than one percent of all water—is available for nearly 7 billion people and a myriad of freshwater aquatic ecosystems.
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