| 怒江(云南段)大型底栖动物纵向分布和季节性变化规律研究 |
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| 引用本文： | 李斌,张耀光,王志坚.怒江(云南段)大型底栖动物纵向分布和季节性变化规律研究[J].西南师范大学学报(自然科学版),2011,36(3). |
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| 作者姓名： | 李斌 张耀光 王志坚 |
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| 作者单位： | 淡水鱼类资源与生殖发育教育部重点实验室,水产科学重庆市市级重点实验室,西南大学生命科学学院,重庆400715 |
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| 基金项目： | 中华人民共和国环境保护部重点资助项目 |
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| 摘 要： | 该文主要通过聚类分析和对应分析方法,以大型底栖动物科级组成上的出现与不出现代替其丰度和生物量,讨论怒江(云南段)大型底栖动物分布格局及季节性变化规律.结果表明:怒江(云南段)大型底栖动物科级组成沿河流纵向分布无明显规律,但具有相同生境类型站点的底栖动物组成较为相似;怒江(云南段)大型底栖动物科级组成春季与秋季相似性高,春、秋季与夏季有明显差异.
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| 关 键 词： | 大型底栖动物 纵向分布 季节性变化 怒江(云南段) |
Longitudinal and Seasonal Variation of the Benthic Macroinvertebrate Community of the Nu River in Yunnan Province |
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| LI Bin,ZHANG Yao-guang,WANG Zhi-jian.Longitudinal and Seasonal Variation of the Benthic Macroinvertebrate Community of the Nu River in Yunnan Province[J].Journal of Southwest China Normal University(Natural Science),2011,36(3). |
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| Authors: | LI Bin ZHANG Yao-guang WANG Zhi-jian |
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| Affiliation: | LI Bin,ZHANG Yao-guang,WANG Zhi-jian Key Laboratory of Freshwater Fish Reproduction and Development(Ministry of Education),Key Laboratory of Aquatic Science of Chongqing,School of Life Science,Southwest University,Chongqing 400715,China |
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| Abstract: | In this paper,the cluster analysis and correspondence analysis methods were applied to evaluate the macrobenthos longitudinal distribution and seasonal variation in the Yunnan section of the Nu River.The results showed that: the section level segment composed of macrobenthos along the river had no significant distribution of the vertical side,but the site with the same habitat type is similar to the composition of benthic fauna.In the spring,the composition at the section level shares a high similarity with... |
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| Keywords: | macrozoobenthos longitudinal seasonality the Nu River in Yunnan province |
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