| 泥炭沼泽桧叶金发藓种群动态的重建 |
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| 引用本文： | 卜兆君,杨允菲,王升忠,王宪伟,代丹.泥炭沼泽桧叶金发藓种群动态的重建[J].应用生态学报,2005,16(11):2221-2223. |
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| 作者姓名： | 卜兆君 杨允菲 王升忠 王宪伟 代丹 |
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| 作者单位： | 东北师范大学泥炭沼泽研究所国家环保总局湿地保护与植被恢复重点实验室,草地研究所,植被生态科学教育部重点实验室,长春,130024 |
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| 基金项目： | 国家自然科学基金重点项目(50139020)，东北师范大学青年科学基金资助项目(111373000). |
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| 摘 要： | 1引言桧叶金发藓(Polytrichum juniperinum)为金发藓科多年生藓类植物,分布于泥炭沼泽等多种生境中.该植物对于人为干扰以及环境干旱的耐受性较强22],是该类型环境特征的指示植物10],在研究泥炭沼泽植被演替与环境演化等方面具有重要意义.目前,关于桧叶金发藓种群研究主要局限于年龄结构、空间分布以及生态位等方面2,6~8].国内外植物种群动态过程研究主要应用同生群法(动态生命表法)、具体时间法(静态生命表法)等11,12],使用历史重建法(historyreconstruction method)的研究较少,国内尚无该方面的研究报道.本研究应用历史重建法,分析桧…
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| 关 键 词： | 泥炭沼泽 桧叶金发藓 种群动态 藓类植物 耐受性 干旱环境 沼泽植被 |
| 文章编号： | 1001-9332(2005)11-2221-03 |
| 收稿时间： | 2005-04-21 |
| 修稿时间： | 2005-06-30 |
Reconstruction of Polytrichum juniperinum population dynamics in a mire of China |
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| BU Zhaojun,YANG Yunfei,WANG Shengzhong,WANG Xianwei,DAI Dan.Reconstruction of Polytrichum juniperinum population dynamics in a mire of China[J].Chinese Journal of Applied Ecology,2005,16(11):2221-2223. |
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| Authors: | BU Zhaojun YANG Yunfei WANG Shengzhong WANG Xianwei DAI Dan |
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| Institution: | 1.Key Laboratory for Wetland Conservation and Vegetation Restoration of State Environmental Protection Ministry, Institute for Peat and Mire, Northeast ; Key Laboratory for Vegetation Ecology of Ministry of Education, Institute of Grassland Sciences, Northeast Normal University, Changchun 130024, China |
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| Abstract: | By using 'history reconstruction method', this paper studied the dynamics of two Polytrichum juniperinum populations with and without sporophytes. The population with sporophyte production experienced a dynamic process from increase to stabilization, while that without sporophyte production experienced a process from increase to decrease. Before 2003, both the increase rate and the birth rate of two populations decreased continuously, with the death rate showing the tendency from decrease to a continuous increase. The advantages of 'history reconstruction method' in studying population dynamics were proved and discussed. |
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| Keywords: | Polytrichum juniperinum History reconstruction Population dynamics |
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