黑龙江萝北段秋季鱼类资源调查  

Autumnfishery resources survey in the Luobei section of Heilongjiang River

作　　者：焦长军 刘雪菲 鲁宏申 付洁 JIAO Changjun;LIU Xuefei;LU Hongshen;FU Jie(Heilongjiang Province Aquatic Animal Resources Conservation Center,Harbin 150018,Heilongjiang China)

机构地区：[1]黑龙江省水生动物资源养护中心,黑龙江哈尔滨150018

出　　处：《黑龙江水产》2025年第1期23-30,共8页Northern Chinese Fisheries

摘　　要：萝北江段位于黑龙江中游,长146.5 km,为了解黑龙江萝北段现阶段鱼类资源情况,于2024年9月~11月开展为期28 d的鱼类资源调查。该调查共捕捞84网次,采集鱼类23种,共计921尾,总重47 259.98 g,隶属于6目8科17属。结果显示,黑龙江萝北段鱼类多样性较为丰富,而整体资源量不大且优势种较为单一,多以中小型鱼类为主;水质状况有明显提升,施氏鲟(Acipenser schrencki)、达氏鳇(Huso dauricus)的保护及增殖放流效果显著。The Luobei Section is located in the middle reaches of Heilongjiang River,with a length of 146.5 km.In order to understand the current fish resource in the Luobei section of Heilongjiang River,a 28 days fish resource survey will be conducted from September to November 2024.A total of 84 nets were caught in this survey,collecting 23 species of fish,921 in total,with a total weight of 47 259.98 g,belonging to 6 orders,8 families,and 17 genera.The results showed that the fish diversity in Heilongjiang Luobei Section is relatively rich,while the overall resource is small and the dominant species are relatively single,mainly consisting of small and medium-sized fish;The water quality has been improved significantly,sturgeon(Acipenser schrencki) and beluga(Huso dauricus) protection,multiplication and release effect is obvious.

关 键 词：黑龙江萝北段 鱼类资源 鱼类多样性 

分 类 号：S931.1[农业科学—渔业资源]