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悬浮泥沙对青竹江陈家坝段冬季鱼类多样性的影响
Effect of suspended sediments on fish diversity in the Chenjiaba section of the Qingzhu River in winter

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曾燏 1   陈永柏 1   李钟杰 2  
文摘 选取青竹江陈家坝段水动力特征和河流形态相似的2个区域,利用肩背式电鱼机(800 W,24 V)进行冬季(2012年1月12-17日)采样,用食性同质资源团和鱼类分类多样性方法评价悬浮泥沙对河流鱼类多样性的影响。共采集到鱼类14种,隶属于2目4科14属。鱼类的物种数量和食性同质资源团种类随悬浮泥沙含量的降低而增加,这种变化可能与鱼类的摄食策略差异有关。结果可为认识泥沙对河流鱼类多样性的影响规律,以及预测鱼类群落对悬浮泥沙的响应过程和鱼类多样性保护提供借鉴。
其他语种文摘 In this study,two sampling locations with similar hydrologic and morphometric characteristics were selected, and fish samples were collected using electric fishing equipment(800 W,24 V) during January 12—17,2012. The effects of suspended sediment on fish diversity were analyzed with the feeding guilds and the taxonomic diversity methods. 14 species belonging to 14 genera,4 families,and 2 orders were obtained in the Chenjiaba section of the Qingzhu River during the investigation. The fish species increased along with the suspended sediments decreasing,which indicated that the fish diversity and population may be related to fish diverse feeding strategies. This results offered reference for the understanding of the variation pattern of fish diversity effected by suspended sediment variation,predicting the response of fish community to suspended sediment and protecting fish diversity in river systems.
来源 淡水渔业 ,2014,44(5):63-66,077 【扩展库】
关键词 青竹江 ; 悬浮泥沙 ; 鱼类多样性 ; 食性同质资源团 ; 分类多样性
地址

1. 中国长江三峡集团公司, 北京, 100038  

2. 中国科学院水生生物研究所, 武汉, 430072

语种 中文
文献类型 研究性论文
ISSN 1000-6907
学科 水产、渔业
基金 国家自然科学基金项目 ;  四川省教育厅项目
文献收藏号 CSCD:5259069

参考文献 共 19 共1页

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