| 珍稀濒危植物长苞铁杉种群生命表分析 |
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| 引用本文： | 吴承祯,洪伟,谢金寿,吴继林.珍稀濒危植物长苞铁杉种群生命表分析[J].应用生态学报,2000,11(3):333-336. |
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| 作者姓名： | 吴承祯 洪伟 谢金寿 吴继林 |
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| 作者单位： | 1. 福建林学院资源与环境系,南平,353001
2. 福建省永安市林业局,永安,366000 |
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| 基金项目： | 福建省自然科学基金资助项目!(F991 ) |
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| 摘 要： | 以种群生命表及生存分析理论为基础，编制珍稀濒危植物长苞铁杉种群生命表，绘制死亡密度函数曲线、危险率函数曲线及生存曲线，分析种群动态趋势。结果表明，长苞铁杉种群有２个死亡高峰，存活曲线趋于Ｄｅｅｖｅｙ－Ⅱ型。
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| 关 键 词： | 长苞铁杉 种群生命表 存活曲线 生存分析理论 |
Life table analysis of Tsuga longibracteata population |
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| WU Chengzhen,HONG Wei,XIE Jinshou,WU Jilin.Life table analysis of Tsuga longibracteata population[J].Chinese Journal of Applied Ecology,2000,11(3):333-336. |
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| Authors: | WU Chengzhen HONG Wei XIE Jinshou WU Jilin |
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| Institution: | Fujian College of Forestry, Nanping 353001. wucz@public.npptt.fj.cn |
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| Abstract: | Tsuga longibracteata is a rare and endangered tree species in China. Based on the life table of population and the theory of survival analysis, the authors worked out the life table of Tsuga longibracteata population drew the curves of mortality density function, hazard rate function and survival, and analyzed the population dynamics. The results show that the population had two peaks of mortality, and the survival curve of the population trended to the type of Deevey II. |
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| Keywords: | Tsuga longibracteata Population Life table Survival curve |
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