| 蕲春县新发现的粗梗水蕨种群结构特征 |
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| 引用本文： | 董元火,荣一兵,雷刚,魏凯旋.蕲春县新发现的粗梗水蕨种群结构特征[J].江汉大学学报(自然科学版),2009,37(2):96-97,101. |
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| 作者姓名： | 董元火 荣一兵 雷刚 魏凯旋 |
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| 作者单位： | 1. 江汉大学,生命科学学院,武汉,430056
2. 武汉市武昌区教研培训中心,武汉,430200 |
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| 基金项目： | 江汉大学博士科研基金资助项目 |
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| 摘 要： | 报道了湖北省蕲春县新发现的一个粗梗水蕨种群.种群面积为10000~11000 m2,植株数为300~500株,为小种群.频度为45%,盖度仅为2%.认为过度养殖是导致粗梗水蕨濒危的主要原因之一.
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| 关 键 词： | 粗梗水蕨 濒危 新记录 种群特征 |
Characteristics of Newly-recorded Ceratopteris pteridoides Population at Qichun County in China |
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| DONG Yuan-huo,RONG Yi-bing,LEI Gang,WEI Kai-xuan.Characteristics of Newly-recorded Ceratopteris pteridoides Population at Qichun County in China[J].Journal of Jianghan University:Natural Sciences,2009,37(2):96-97,101. |
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| Authors: | DONG Yuan-huo RONG Yi-bing LEI Gang WEI Kai-xuan |
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| Abstract: | A new distribution sites of the endangered aquatic fern Ceratopteris pteridoides atQichun county in China is reported.The population area of C.pteridoides is 10 000 ~ 11 000 m2.The frequency is 45 % and coverage is 2 %.The population is a small population,and the populationsizes included 300 ~ 500 individuals.Excessive aquaculture is one of the most important causes ofimminent danger of the species. |
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| Keywords: | Ceratopteris pteridoides endangered species new record population charac-teristics |
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