低头坝养鱼对鱼类局域栖息地环境的影响——基于鱼类个体生态矩阵的分析  

Effects of Fish Culture by the Low-head Dam on Local Habitat Change Using an Autecologymatrix

作　　者：万安[1,2,3] 曹莉[1,3] 潘伟[1,3] 陶峰[1,3] 李家磊[1,3] 张晓可[3] 余世金[1] 安树青[2] 

机构地区：[1]安庆师范学院资源环境学院,安徽安庆246000 [2]南京大学生命科学学院,江苏南京210093 [3]安庆师范学院淡水生态研究所,安徽安庆246000

出　　处：《安徽农学通报》2015年第7期122-126,共5页Anhui Agricultural Science Bulletin

基　　金：国家水体污染控制与治理科技重大专项子课题(No.2012ZX07501002-003);安徽省自然科学基金项目(No.1508085QD75);安徽省教学研究项目(2013jyxm150)

摘　　要：为了解低头坝养鱼对鱼类栖息地环境的影响,2013-2014年共6次调查了乌龙河(长江下游支流)2个可涉水河段样点鱼类的多样性,共采集5目10科21属24种鱼类,通过鱼类个体生态矩阵分析表明,低头坝养殖对下游的鱼类群落产生了较大的影响,并造成河流下游生境趋于单一,水位下降,有机质增加,流速减缓等现象。鱼类个体生态矩阵适合于解析水利工程对周边生境的影响。In order to find the response of local habitat under the influences of fish culture with the helpof low-head dam,Two low-head dams（including upstream dam and downstream dam）within the Wulong Riv-er were selected as sampling sites.The fish diversity was surveyed for 6 times in these wadeable reachs ofthe sampling sites from 2013 to 2014.After all the above is done,we have collected a total of 24 fish spe-cies which belong to 5 orders,21 genera and 24 species. By using autecologymatrix,we found that low-head dam significantly affect on fish community in the downstream,and caused a simpler habitat structure,water shortage,more organics,lower flow current in the downstream site.So the autecologymatrix was certifi-cated that it can been used to analyze the effects of irrigation works on Local habitat change.

关 键 词：低头坝 鱼类个体生态矩阵 局域栖息地 

分 类 号：S964[农业科学—水产养殖]