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为了研究小兴安岭林区森林采伐对土壤侵蚀及河流泥沙量的影响，选择带岭实验局具有代表性的采伐迹地为研究对象，按其不同坡度及对土壤的破坏程度进行土壤侵蚀测定和调查；同时选择汤旺河下游干流的晨明站为河流泥沙量研究点，收集并分析了３６ａ的泥沙资料，结果表明：小兴安岭原始红松林皆伐后，采伐迹地均产生不同程度的土壤侵蚀现象。其中，集材道、凋落物被破坏处及陡坡地段，土壤侵蚀较为严重。森林采伐可使一些局部地区的土壤侵蚀加剧，但就整个汤旺河流域，森林采伐还没有导致河流含沙量的明显增加。同时，森林植被的迅速更新，森林复被率的提高也对减少河流泥沙起到了重要作用。
In order to study the impact of forest harvesting on soil erosion and river sediment in Xiaoxing’anling forest area, we selected the representative cuttings of Belting Experimental Station as the research object and conducted soil erosion measurement and investigation according to different slopes and degree of soil damage. At the same time, the selection of Chenming Station as the research point of river sediment concentration in the lower reaches of Tangwang River collected and analyzed the sediment data for 36 years. The results showed that all the logging sites had different degrees of soil erosion after the clear cutting of the primary Korean pine forests in the Xiaoxing’an Mountains. Among them, the timber road, litter destruction sites and steep slopes, soil erosion is more serious. Deforestation can exacerbate soil erosion in some parts of the country, but for the entire Tangwang River basin, deforestation has not resulted in a significant increase in river sediment concentrations. In the meantime, the rapid renewal of forest vegetation and the increase of forest coverage rate also play an important role in reducing river sediment.