普定喀斯特生态系统观测研究站的生物样地建设与监测工作生物样地建设与监测工作
Establishment and Monitoring of Biological Plots at Puding Karst Ecosystem Research Station
查看参考文献11篇
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文摘
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生长和适应于喀斯特地貌环境的生态系统,即喀斯特生态系统,因人类活动干扰和石漠化进程影响,其结构和功能均发生退化,因此,定位、长期监测喀斯特生态系统的组成、结构、过程和功能,以及人类活动的影响和响应,对研究该类特殊生态系统的格局和动态变化具有重要意义。作为中国科学院生态系统观测网络(CERN)仅有的两个喀斯特台站之一,普定喀斯特生态系统观测研究站的生物监测总目标是开展喀斯特高原常绿落叶阔叶混交林的植被生态学(结构、过程、功能)监测与研究,及其退化植被的恢复生态学示范,建立喀斯特植被恢复与重建的优化模式和范式。本文初步介绍了普定站的生物观测网络,以普定县后寨河流域的天龙山常绿落叶阔叶混交林样地作为永久监测样地(主观测场),以陈旗不同干扰方式下的植被恢复样地、赵家田皆伐样地、沙湾主站址退耕样地作为辅助监测样地(辅观测场),以高羊河流域陈家寨坡耕地恢复和滇柏林改造样地作为生态重建示范样地(辅观测场),配合流域内外诸多样地与试验点(站区调查点),可初步定位监测和预测代表性喀斯特森林和灌丛的长期变化与未来发展趋势。 |
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其他语种文摘
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The ecosystem grown in and adapted to the habitat of karst morphology, the so-called "karst ecosystem", is very special and vulnerable to human disturbances and rocky desertification, leading to degradations in its structure and functions. It is therefore necessary and significant to permanently and long-term monitor compositions, structures, processes and functions of karst ecosystem as well as impacts from and responses to human disturbances, in order to explore its pattern and dynamic of this ecosystem. As one of the only two monitoring and research stations of karst ecosystems of the China Ecosystem Research Network(CERN), the Puding Karst Ecosystem Research Station(hereafter Puding station)aims to build up biological monitoring plots to investigate the structure, processes and functioning of the evergreen-deciduous broadleaved mixed forest on the Guizhou Plateau, and to demonstrate the ecological restoration of the degraded vegetation on karst terrain. The final destination is to establish an optimized paradigm of vegetation restoration and recovery in karst region, and to enhance ecological service of karst ecosystems. The monitoring network of the station is mainly set in the Houzhai River Watershed, a karst peak-depression landform in the central Guizhou Plateau with a total area of 82km~2:one primary site at Tianlongshan(evergreen and deciduous broadleaved mixed forest permanent plot)and four subsidiary sites(six human-disturbed plots at Chenqi, a clear cutting plot at Zhaojiatian, and an abandoned crop plot at Shawan).Another demonstration site is built in the Gaoyang River Watershed:one subsidiary site with nine vegetation restoration plots at Chenjiazhai. Various investigation plots and sites are widely distributed in these two watersheds and in other regions of the Guizhou Plateau. Such biological monitoring network of the Puding station can be potentially used to investigate and predict long-term changes and future development of the representative karst forest and shrubland in southwestern China. |
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来源
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地球与环境
,2017,45(1):106-113 【核心库】
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DOI
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10.14050/j.cnki.1672-9250.2017.01.014
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关键词
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喀斯特生态系统
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结构与功能
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生态恢复
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长期定位研究
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石漠化
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地址
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中国科学院地球化学研究所, 环境地球化学国家重点实验室, 贵阳, 550081
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广西师范学院环境与生命科学学院, 南宁, 530001
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中国科学院普定喀斯特生态系统观测研究站, 贵州, 普定, 562100
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中国科学院植物研究所, 植被与环境变化国家重点实验室, 北京, 100093
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1672-9250 |
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学科
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普通生物学 |
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基金
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国家重大科学研究计划项目
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文献收藏号
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CSCD:5922972
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