| 太湖梅梁湾红鳍原鲌(Cultrichthys erythropterus)食性与个体大小的关系:对生物调控与管理的启示 |
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| 引用本文： | 周德勇,叶佳林,王卫民,刘正文.太湖梅梁湾红鳍原鲌(Cultrichthys erythropterus)食性与个体大小的关系:对生物调控与管理的启示[J].湖泊科学,2011,23(5):796-800. |
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| 作者姓名： | 周德勇 叶佳林 王卫民 刘正文 |
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| 作者单位： | 1. 华中农业大学水产学院,武汉,430070
2. 中国科学院南京地理与湖泊研究所湖泊与环境国家重点实验室,南京,210008 |
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| 基金项目： | 国家科技部支撑计划项目(2007BAC26B02)资助 |
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| 摘 要： | 红鳍原鲌是太湖常见鱼类之一.对2004年11月到2005年10月的样本(236尾)分析结果表明:在食物组成上,红鳍原鲌主要摄食枝角类和小型鱼类,其食物组成随体长变化明显.全长小于130 mm的红鳍原鲌主要摄食枝角类,小型鱼类的重要性相对较低；全长大于130 mm的红鳍原鲌以小型鱼类为主要食物.在对浮游动物的摄食选择性上...
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| 关 键 词： | 太湖 红鳍原鲌 食物组成 选择性 |
| 收稿时间： | 2010/10/8 0:00:00 |
| 修稿时间： | 2011/2/11 0:00:00 |
Feeding habits and the relation to the size of Cultrichthys erythropterus in Meiliang Bay, Lake Taihu:implication for biomanipulation and management |
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| ZHOU Deyong,YE Jialin,WANG Weimin and LIU Zhengwen.Feeding habits and the relation to the size of Cultrichthys erythropterus in Meiliang Bay, Lake Taihu:implication for biomanipulation and management[J].Journal of Lake Science,2011,23(5):796-800. |
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| Authors: | ZHOU Deyong YE Jialin WANG Weimin and LIU Zhengwen |
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| Institution: | ZHOU Deyong1,YE Jialin1,WANG Weimin1 & LIU Zhengwen2(1: College of Fisheries,Huazhong Agricultural University,Wuhan 430070,P.R.China) (2: State Key Laboratory of Lake Science and Environment,Nanjing Institute of Geography and Limnology,Chinese Academy of Sciences,Nanjing 210008,P.R.China) |
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| Abstract: | Cultrichthys erythropterus is a common type of fish in Lake Taihu.Feeding habits of the fish were studied by analyzing 236 specimens from November 2004 to October 2005.The results showed that cladocerans and small fish were the dominant food items of C.erythropterus.Prey compositions of the fish varied in different fish body sizes.C.erythropterus longer than 130mm in total length consumed more small fish,but that shorter than 130mm-long mainly consumed cladocerans.In terms of feeding selectivity,C.erythropt... |
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| Keywords: | Lake Taihu Cultrichthys erythropterus feeding habits selectivity |
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