鸭绿江上游花羔红点鲑(Salvelinus malma)的食性分析及生态位  

The Food Analysis and Ecological Niche of Dolly Varden Charr ( Salvelinus malma) in the Upper Reaches ofthe Yalu River

作　　者：黄权[1] 张东鸣[1] 吴莉芳[1] 刘春力[1] 刘新宇[2] 李清华[2] 

机构地区：[1]吉林农业大学动物科技学院,长春130118 [2]吉林省新立城水库管理局,长春130119

出　　处：《吉林农业大学学报》1999年第4期55-58,共4页Journal of Jilin Agricultural University

基　　金：农业部资助!( 渔8593010102)

摘　　要：对鸭绿江上游花羔红点鲑（ Ｓａｌｖｅｌｉｎｕｓ ｍａｌｍａ） 的食性进行了分析，比较了不同年龄组和季节的食物组成及摄食强度的变化，探讨了鸭绿江上游花羔红点鲑的三维生态位及其分化。The food composition of Dolly varden charr( S. malm a) was analyzed in the upper reaches of the Yalu River,and the changes offood composition and feeding intensity in different seasons of different age groups were compared .The three dimensional ecological niche of Dolly varden charr and it′s changes were discussed in Yalu River also .

关 键 词：花羔红点鲑 食性分析 生态位 鸭绿江上游 鲑鱼 

分 类 号：S965.232[农业科学—水产养殖]