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引用本文:陈剑,缪福俊,杨文忠,原晓龙,王娟,周妍,杨宇明.海拔对纳帕海季节性湿地植被分布格局影响初探.湖泊科学,2015,27(3):392-400. DOI:10.18307/2015.0304
CHEN Jian,MIAO Fujun,YANG Wenzhong,YUAN Xiaolong,WANG Juan,ZHOU Yan,YANG Yuming.A preliminary study on impacts of the elevation on plants' distribution patterns in seasonal wetland of Lake Napahai. J. Lake Sci.2015,27(3):392-400. DOI:10.18307/2015.0304
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海拔对纳帕海季节性湿地植被分布格局影响初探
陈剑1,2,3, 缪福俊1,2,3, 杨文忠1,2,3, 原晓龙1,2,3, 王娟1,2,3, 周妍4, 杨宇明1,2,3
1.国家林业局云南珍稀濒特森林植物保护和繁育实验室, 昆明 650201;2.云南省森林植物培育与开发利用重点实验室, 昆明 650201;3.云南省林业科学院, 昆明 650201;4.国家林业局竹子研究开发中心, 杭州 310012
摘要:
利用物种海拔分布范围(Rs)作为定量研究物种对环境适应能力的一个基础指标,以纳帕海季节性湿地这样一个近似平面的生态系统做为研究对象,结合GIS技术和野外实地调查,对物种分布格局、物种对水因子的适应性、水因子分布梯度和优势物种分布面积进行统计和可视化分析.研究结果表明:研究区域内优势物种的分布受水因子分布梯度的显著影响,在物种处于同一主导因子作用的情况下,处于同一竞争水平物种的分布面积与Rs没有明显相关性,但与基于RsMsh值(物种海拔分布范围中间值与当地海拔的差值)则表现出明显的负相关关系.结论说明Msh可作为定量研究物种对环境适应能力的一个指示指标,该指示指标可能对解释生态系统内物种分布格局有重要的生态意义.
关键词:  物种海拔分布范围  主导因子  分布面积  纳帕海
DOI:10.18307/2015.0304
分类号:
基金项目:联合国大学项目(UNU)、东南半岛跨境生态安全森林植被恢复项目(600UU-1123)、NSFC云南联合基金重点项目(U0933601)和国家自然科学基金项目(30600080,31060077)联合资助.
A preliminary study on impacts of the elevation on plants' distribution patterns in seasonal wetland of Lake Napahai
CHEN Jian1,2,3, MIAO Fujun1,2,3, YANG Wenzhong1,2,3, YUAN Xiaolong1,2,3, WANG Juan1,2,3, ZHOU Yan4, YANG Yuming1,2,3
1.Key Laboratory of Rare and Endangered Forest Plant of State Forestry Administration, Kunming 650201, P.R.China;2.Yunnan Provincial Key Laboratory of Cultivation and Exploitation of Forest Plants, Kunming 650201, P.R.China;3.Yunnan Academy of Forestry, Kunming 650201, P.R.China;4.China National Bamboo Research Centre, Hangzhou 310012, P.R.China
Abstract:
This study used plant species' distribution range along elevation (Rs) as the basic indicator to quantitatively study the plant's environmental adaptation capacity within Lake Napahai seasonal wetland ecosystem.Throughout field survey and GIS technology, this paper synthetically analyzed the plant distribution pattern, the species' adaption to water factor and gradient distribution of water, and the dominant plant species' distribution area.The results showed that the distribution of the dominant plant species was largely affected by the distribution gradient of water factor.Under the same leading ecological factor (water), the distribution area of the dominant species at the same competitive level had no significant correlation with the Rs while had apparent logarithmic negative correlations with the absolute difference value of altitudinal distribution range minus local elevation (Msh), finding explained that Msh could be an indicating parameter for quantitative research on plant species environmental adaptation capacity, which might have significant ecological meaning on illustrating plant species distribution pattern in such an ecosystem.
Key words:  Altitudinal distribution range  leading ecological factor  distribution area  Lake Napahai
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