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近年来，长江大小洪灾不断，黄河泥沙含量逐年增加，以至形成２００多天的断流，干旱、冰雹等自然灾害频繁发生，荒漠化不断加剧，生态环境日益严峻。保护长江，保护黄河，治理沙漠，保护我们１２亿人口赖以生存的生态环境，已经形成了全民族的共识。国有林场已经成为西北生态
In recent years, the size of the Yangtze River has been flooded continuously, and the sediment content of the Yellow River has been increasing year by year. As a result, frequent natural disasters such as floods, droughts and hailings have taken place over more than 200 days. The desertification has been aggravating and the ecological environment has become increasingly harsh. Protecting the Yangtze River, protecting the Yellow River, harnessing the desert and protecting the ecological environment upon which our 1.2 billion people depend have formed a consensus of the entire nation. State-owned forest farms have become the Northwest Ecology