【摘要】 本文根据雅砻江干流主要控制站泥沙和径流资料分析得出：泸宁～小得石区段为该流域重点产沙区；并且１９８２年后，由于人类活动影响，使该流域泥沙以３４．４％的速度增加，应引起有关部门重视，并采取有效治理措施。更多还原

【Abstract】 Based on the analysis of sedimentation and runoff data from main control stations on the main stream of the Yalong River, it is concluded that the section from Luning to Xiao deshi is the main sedimentation formation area in the Basin; especially after 1982,frequent human activities lead to sedimentation increase by 34.4%. This problem should be paid attention by departments concerned . Measures should be taken effectively.更多还原