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Sanjiangyuan, literally meaning the “source of three rivers”, is home to the headwaters of the Yangtze, Yellow and Lancang rivers. The pilot national park, with a total area of 123,100 square km 1 (locate) on the Qinghai-Tibet Plateau and harbors more than 70,000 herdsmen. Therefore. 2 is very important to maintain the purity and cleanliness of this area, because it directly affects the water quality in most of China.
For a long time, there were too many local herdsmen and animals 3 (use) the grass in the area and consequently the local lakes were getting smaller. 4 the national park was established, the government has invested a significant amount of money in equipment and training for accurate monitoring of wildlife. For example, the population of snow leopards is an important indicator of ecological health in the area, and as long as 5 number of these animals stays stable, the area is safe and 6 (environmental) healthy. Much of the grassland has been returned to its natural state, and the herdsmen have been helped to move to the local towns and to find new jobs. 7 (encourage) by local government, more and more local people are supported to take part in environmental protection. They have been appointed as conservators in the area, responsible for collecting rubbish or for observing the wildlife. 8 more people working as conservators, the 9 (aware) of environmental protection has gradually become part of their lives. Local officials also have said that their jobs have become a lot 10 (easy) now that the training programmes and government support are in place. Now, in Sanjiangyuan National Park, the mountains have become greener, the water clearer and the sky bluer.
