| 利川绝迹莼菜种群原因分析 |
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| 引用本文： | 董元火,雷刚,刘红艳.利川绝迹莼菜种群原因分析[J].安徽农业科学,2010,38(11):6047-6048. |
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| 作者姓名： | 董元火 雷刚 刘红艳 |
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| 作者单位： | |
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| 基金项目： | 湖北省自然科学基金，武汉市属高校科研重点项目 |
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| 摘 要： | 分析了利川绝迹莼菜群落的基本特征和所在地的生境特征,并研究了利川绝迹莼菜濒危的因素,即：人类活动如耕作、污水排放和过度开发利用,生境片断化、破碎化以及在物种竞争中处于劣势。
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| 关 键 词： | 利川 莼菜 绝迹种群 人类活动 种间竞争 |
Analysis of the Extinct Causes of Brasenia schreberi Population in Lichuan |
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| Institution: | DONG Yuan-huo et al (College of Life Sciences,Jianghan University,Wuhan,Hubei 430056) |
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| Abstract: | The basic characteristics and habitat characteristics of extinct Brasenia schreberi community in Lichuan were surveyed.The endangered causes of extinct Brasenia schreberi in Lichuan were studied as follows:human activities such as farming,run-off of water pollution,and excessive exploitation,fragmental habitat and its disadvantages in the species competition. |
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| Keywords: | Lichuan Brasenia schreberi Extinct population Human activities Competition of species |
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