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当前位置: 首页 > 文章 > 渭河流域大型底栖动物群落结构及其与环境因子的关系 应用生态学报 2013,22 (1) 218-226
Position: Home > Articles > Macrobenthos community structure and its relationships with environmental factors in Weihe River basin,Northwest China Chinese Journal of Applied Ecology 2013,22 (1) 218-226

渭河流域大型底栖动物群落结构及其与环境因子的关系

作  者：
殷旭旺;徐宗学;高欣;白海锋;武玮;宋进喜
单  位：
中国环境科学研究院;西北大学城市与环境学院;北京师范大学水科学研究院;大连海洋大学水产与生命学院辽宁省水生生物学重点实验室
关键词：
渭河;大型底栖动物;空间分布特征;指示物种;环境因子
摘  要：
于2011年10月对渭河流域45个采样点的大型底栖动物进行调查采样.共采集到大型底栖动物116属(种),其中水生昆虫91(属)种,占78.4%;软体动物12种,占10.3%;环节动物9种,占7.8%;甲壳动物4种,占3.4%.利用大型底栖动物的物种组成以及物种相对丰度数据,应用双向指示种分析和无偏对应分析将45个样点分为3组.第1组样点的指示物种为锯形蜉属1种(Serratella sp.)、纹石蛾属1种(Hydropsyche sp.)和朝大蚊属1种(Antocha sp.);第2组样点指示物种为虻属1种(Tabanus sp.)、Alotanypus venustus、Pelecorhynchidae1种、Liodessussp.和霍甫水丝蚓(Limnodrilus hoffmeistteri);第3组指示物种为黑翅蜉(Ephemera nigroptera)和半球多脉扁螺(Polypylis hemisphaerula).典范对应分析表明,卵石+砾石型底质、流速、电导率、水深和总氮显著影响了渭河流域底栖动物群落的空间分布.
译  名：
Macrobenthos community structure and its relationships with environmental factors in Weihe River basin,Northwest China
作  者：
YIN Xu-wang1,2,XU Zong-xue1,GAO Xin3,BAI Hai-feng2,WU Wei1,SONG Jin-xi4 (1College of Water Sciences,Beijing Normal University,Beijing 100875,China;2Liaoning Province Key Laboratory for Hydrobiology,College of Fisheries and Life Science,Dalian Ocean University,Dalian 116023,Liaoning,China;3Chinese Research Academy of Environmental Sciences,Beijing 100012,China;4College of Urban and Environmental Science,Northwest University,Xi'an 710069,China)
关键词：
Weihe River;macrobenthos;spatial distribution characteristics;indicator species;environmental factor.
摘  要：
In October 2011,an investigation was conducted on the macrobenthos at 45 sampling sites in the Weihe River basin of Northwest China.A total of 116 macrobenthos species were collected,of which,91 species (78.4%) were aquatic insects,12 species (10.3%) were mollusks,9 species (7.8%) were annelids,and 4 species (3.4%) were crustaceans.According to the species composition and relative abundance of macrobenthos,the 45 sampling sites could be divided into three groups by using two-way indicator species analysis (TWINSPAN) and detrended correspondence analysis (DCA).In the first group,Serratella sp.,Hydropsyche sp.,and Antocha sp.were the indicator species.In the second group,Tabanus sp.,Alotanypus venustus,one species of Pelecorhynchidae,Liodessus sp.,and Limnodrilus hoffmeistteri were the indicator species.In the third group,Ephemera nigroptera and Polypylis hemisphaerula were the indicator species.The canonical correspondence analysis (CCA) indicated that 'cobble + boulder' type substrate,current velocity,water conductivity,water depth,and water total nitrogen content had significant effects on the spatial distribution of macrobenthos in Weihe River basin.

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