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兴凯湖与小兴凯湖鱼类组成及差异分析
引用本文:唐富江,刘伟,王继隆,谢松光.兴凯湖与小兴凯湖鱼类组成及差异分析[J].水产学杂志,2011,24(3):40-47.
作者姓名:唐富江  刘伟  王继隆  谢松光
作者单位:1. 中国水产科学研究院黑龙江水产研究所,黑龙江哈尔滨,150070
2. 中国科学院水生生物研究所,湖北武汉,430072
基金项目:中央级公益性科研院所基本科研业务费专项,农业部财政专项物种资源保护项目
摘    要:兴凯湖与小兴凯湖地处我国东北边陲,仅一岗之隔,但二者的生态环境差别很大,在小兴凯湖移植大银鱼Protosalanx hyalocraniu进行人工增殖没有取得很好效果的情况下,随泄洪水流入到兴凯湖中的大银鱼则很好地发展了自己的种群。为探讨兴凯湖与小兴凯湖鱼类组成的差异及其与大银鱼种群发展的关系,于2010年1月-12月...

关 键 词:兴凯湖  小兴凯湖  鱼类组成  外来鱼类

Fish composition in Lake Xingkai(Khanka) and Lake Mini-xingkai
TANG Fu-jiang,LIU Wei,WANG Ji-long,XIE Song-guang.Fish composition in Lake Xingkai(Khanka) and Lake Mini-xingkai[J].Chinese Journal of Fisheries,2011,24(3):40-47.
Authors:TANG Fu-jiang  LIU Wei  WANG Ji-long  XIE Song-guang
Institution:1.Heilongjiang River Fisheries Research Institute of Chinese Academy of Fishery Sciences,Harbin 150070,China; 2.Institute of Hydrobiology,Chinese Academy of Sciences,Wuhan 430072,China)
Abstract:Lake Xingkai(Khanka) and lake Mini-xingkai locate in the northeast boundary of China,are just separated by a natural mound.Large ice fish(Protosalanx hyalocraniu) was introduced into lake Mini-xingkai to increase the fish yield unsuccessfully,however,it developed its population very well after getting into Lake Xiangkai with the flood from lake Mini-xingkai.Fish composition of Lake xingkai and lake Mini-xingkai was investigated from January through December in 2010 to find out the relationship between Large ice fish population development and the differences of fish community.The investigation results in 56 species of fish including 3 new record(i.e.chum salmon Oncorhynchus ketaPike,perch Lucioperca lucioperca and Misgurnus moloity(Dybowski),Misgurnus moloity(Dybowski))in lake Xingkai,and 33 species of fish including 3 new records(i.e.fat minnow Sarcocheilichthys lacustris,northern sheatfish Silurus soldatovi and Large ice fish),meaning sharp reduce of 10 species in the past 15 years in lake Mini-xingkai.There is still relatively high similarity in species composition between the two lakes with Sorenson index of 0.72 while the biomass composition was significantly different resulted from the different environmental characteristics.As a large lake located in subfrigid zone,Lake xingkai has its own special hydrological and ecological characteristics,indicated in less biomass of fish that prefer living in macrophyte lakes.The contribution of fish community differences of lake Xingkai from lake Mini-xingkai to Large ice fish population growth was discussed in this paper.
Keywords:Lake Xingkai(Khanka)  lake Mini-xingkai  fish composition  exotic fish
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