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玛可河林区是我国长江流域大渡河源头面积最大、分布最集中、海拔最高的一片天然原始林区,曾为国家经济建设生产木材68万m3。1998年启动天然林资源保护工程,天然林采伐量调减为零,通过切实可行的森林管护,有效地促进了天然林资源保护和恢复,森林资源和生态环境状况得到了明显的改善,森林覆盖率由天保工程实施前52.6%增加到59.0%,活立木蓄积从361万m3提高到460万m3,取得了显著的生态效益、社会效益和经济效益。
Ma Kehe forest area is the source area of the Dadu River in the Yangtze River basin of China with the largest area, the most concentrated distribution and the highest elevation in the natural primary forest area. It used to produce 680000 m3 of lumber for the national economic construction in 1998. The natural forest Cut down to zero through effective forest management and protection, and effectively promote the protection and restoration of natural forest resources, forest resources and ecological environment has been significantly improved, the forest coverage rate from the implementation of the Natural Forest Protection Project before the 52.6% increase to 59.0%, and the living stock volume increased from 3.6 million m3 to 4.6 million m3. Significant ecological, social and economic benefits have been achieved.