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当前位置: 首页 > 文章 > 千岛湖蚤状溞垂直分布格局及其季节与昼夜变化 海洋湖沼通报 2007 (4) 120-128
Position: Home > Articles > THE VARIATION OF THE SEASONAL AND DIEL VERTICAL DISTRIBUTION OF DAPHNIA PULEX IN LAKE QIANDAO Transactions of Oceanology and Limnology 2007 (4) 120-128

千岛湖蚤状溞垂直分布格局及其季节与昼夜变化

作  者：
朱爱娇;姚建良;薛俊增
单  位：
新疆农业大学农学院;杭州师范学院生命与环境科学学院
关键词：
千岛湖;蚤状溞;垂直分布;昼夜迁移
摘  要：
2004年10月至2005年8月,对不同季节千岛湖蚤状溞的垂直分布情况以及昼夜迁移进行了研究。结果表明,蚤状溞在千岛湖分布广泛,春季和夏季蚤状溞主要分布在15-25m水层,而在秋冬季分布相对均匀,从表层到60m水深都有分布;比较了蚤状溞在不同季节的迁移现象,春季和秋季蚤状溞为夜间迁移模式,而在夏季和冬季虽然都存在迁移现象,但不同于常见的三种迁移模式。
译  名：
THE VARIATION OF THE SEASONAL AND DIEL VERTICAL DISTRIBUTION OF DAPHNIA PULEX IN LAKE QIANDAO
作  者：
ZHU Aijiao1,YAO Jianliang2,XUE Junzeng1 (1.College of Life and Environmental Sciences,Hangzhou Normal College,Hangzhou 310018,China;2.Agronomy College,Xinjiang Agricultural University, Urumchi 830052,China)
关键词：
Lake Qiandao;Daphnia pulex;vertical distribution;diel migration
摘  要：
The vertical distribution and diel vertical migration of Daphnia pulex,which was the dominant species of cladoceran in Lake Qiandao,were studied in different seasons from October 2004 to August 2005.The result showed that the Dapinia pulex was very familiar in Lake Qiandao.In spring and summer,the individuals of the species were mostly concentrated in the upper layer of the water column between 20 and 25 m,while their distribution was relatively uniform and the whole water column from surface to 60 m depth was integrated in autumn and winter.Compared with the migratory phenomenon of different seasons,the conclusion may be drown that the species exhibited the nocturnal migration in spring and autumn,while it was different from the three common patterns in summer and winter.

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