PROTECT一RANGE OF CONSERVE WATER RESOURCE SHOULD BE BUILT AS SOON AS POSSIBLE IN UPPER REACH OF YANGTZE RIVER VALLEY
水土保持通报1987年6卷第2期 页码:62-64
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纸质出版:1987
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应尽快建立长江上游水源涵养保护区[J]. 水土保持通报, 1987,6(2):62-64.
PROTECT一RANGE OF CONSERVE WATER RESOURCE SHOULD BE BUILT AS SOON AS POSSIBLE IN UPPER REACH OF YANGTZE RIVER VALLEY[J]. Bulletin of Soiland Water Conservation, 1987, 6(2): 62-64.
应尽快建立长江上游水源涵养保护区[J]. 水土保持通报, 1987,6(2):62-64.DOI:
PROTECT一RANGE OF CONSERVE WATER RESOURCE SHOULD BE BUILT AS SOON AS POSSIBLE IN UPPER REACH OF YANGTZE RIVER VALLEY[J]. Bulletin of Soiland Water Conservation, 1987, 6(2): 62-64.DOI:
lose their overall Lalance because of serious over-felling of forest,resulting in a bad influence on ecological environment. Results are as follows; the decrease of the volume of water flow
the obvious difference of the volume between flood and low water; the increase of the volume of sand flow
the bad loss of water and soil; the increase of the wind speed
the seriou drying of summer;the increase of accumulation of snow
the increase of pross under hailstone weather.at persent