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大凌河在阜新县的流域总面积为2722km2,该区水土流失非常严重,平均侵蚀模数1891t/(km2·a),沟壑密度平均21km/km2。在1993年被列为全国重点治理区的二期工程,其中生物措施治理中,果树用地比例大幅度提高,由过去占林业用地的6%达...
The total drainage area of Daling River in Fuxin County is 2722km2. The soil erosion in this area is very serious, with an average erosion modulus of 1891t / (km2 · a) and an average of 21km / km2 of gully density. In 1993, it was listed as the second phase project of the national key control area, in which the proportion of fruit trees increased significantly from 6% of the past ...