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第二松花江(以下简称“二松”)属于黑龙江流域松花江水系,为吉林省第一大河,是松花江的上游,发源于长白山主峰白头山,在扶余县西北三岔河处与嫩江汇合。全长790公里,流域面积达78,182平方公里(图一)。鉴于流域广阔,江道宽深,水量充足,水力资源和渔业资源丰富,故是吉林省经济价值最大的河流。关于松花江的鱼类,王河(1735)、张春霖(1932)、傅桐生(1955)、王歧山(1959)、尼科尔斯基(1960)、高岫(1964)、陈荣海(1982)、东北师范大学环境科学研究所(1982)等已作了些记载。但整个“二松”
The second Songhua River (hereinafter referred to as the “second song”) belongs to the Songhua River system in Heilongjiang River Basin. It is the largest river in Jilin Province and the upstream of the Songhua River. It originated in Baishantou, the main peak of Changbai Mountain and meets Nenjiang River at the Sanchahe River in the northwest of Fuyu County . The total length of 790 kilometers, the basin area of 78,182 square kilometers (Figure 1). In view of the vast watershed, wide and deep river, abundant water resources, abundant water resources and fishery resources, it is the most economically significant river in Jilin Province. About the fish in the Songhua River, Wanghe (1735), Zhang Chunlin (1932), Fu Tongsheng (1955), Wang Qishan (1959), Nicholski (1960), Gao Xiu (1964), Chen Ronghai Normal University Environmental Science Institute (1982) and so on have made some records. But the whole “two loose”