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当前位置: 首页 > 文章 > 老挝Phou Khao Khoauy国家公园树木分布特征（英文） 西部林业科学 2015 (6) 94-99
Position: Home > Articles > Tree distribution in Phou Khao Khoauy National Park,Laos Journal of West China Forestry Science 2015 (6) 94-99

老挝Phou Khao Khoauy国家公园树木分布特征（英文）

作  者：
Manichanh Satdichanh;Jérme Millet;Andreas Heinimann;Khamseng Nanthavong;Rhett D.Harrison
单  位：
中国科学院大学;伯尔尼大学地理研究所;Fédération des Conservatoires botaniques nationaux;世界混农林中心东亚和中亚区域办公室;老挝国立大学林学院;瑞士发展与环境中心;中国科学院西双版纳热带植物园;中国科学院东亚植物多样性与生物地理重点实验室
关键词：
植物分布;老挝;土壤;植物群落;物种组成;热带雨林
摘  要：
本研究在老挝Phou Khao Khoauy国家公园(在万象东北方向40 km)的两种森林类型取样,以此研究决定树种分布的因素。本研究在海拔为300~450 m地区共设置了11个50 m×50 m样地,并测量了所有胸径大于10cm的树木。调查样地按森林类型(混合落叶林,以山毛榉科为主,干常绿林)分层随机选取,共鉴定47个科,70个属,123个种。在每个样地的两个位置收集土壤样品,每个样品在两个深度分别为0~10 cm和10~20 cm处采集,并进行基本土壤参数分析(p H值,有机质OM,氮N和磷P,氧化钾K2O,颗粒大小以及质地)。通过聚类分析对植物群落进行标识,使用NMDS分类法及非参数检验法研究土壤对植物分布的影响,揭示了老挝Phou Khao Khoauy国家公园内树种组成与土壤条件的关系。
译  名：
Tree distribution in Phou Khao Khoauy National Park,Laos
作  者：
Manichanh Satdichanh;Jérme Millet;Andreas Heinimann;Khamseng Nanthavong;Rhett D.Harrison;Xishuangbanna Tropical Botanical Garden,Chinese Academy of Sciences;University of the Chinese Academy of Sciences;Faculty of Forestry Science,National University of Laos;Fédération des Conservatoires botaniques nationaux;Centre for Development and Environment;Institute of Geography,University of Bern;World Agroforestry Centre,East & Central Asia Regional Office;Key Laboratory of for Plant Diversity and Biogeography of East Asia,Kunming Institute of Botany,Chinese Academy of Sciences;
关键词：
plant distribution;;Laos;;soil;;plant community;;species composition;;tropical forest
摘  要：
To investigate the factors determining tree species distribution,forests sampling at Phou Khao Khoauy National Park( PKK),40 km NE of Vientiane in central Laos was conducted. Eleven 0. 25( 50 m × 50 m) samples were set up between 300 ~ 450 m elevation and all trees ≥10 cm were enumerated. Plot locations were randomly assigned after stratifying by forest type( mixed deciduous forest,dominated by Fagaceae,and dry evergreen diperocarp forest) and 47 families,70 genera and 123 species were identified. Soil samples were collected from two locations,each sample was collected at two depths,between 0 ~ 10 cm and 10 ~ 20 cm depth and they were analyzed for getting basic soil parameters [p H,organic matter( OM),nitrogen( N) and phosphorus( P),potassium oxide( K2O),particle size and texture]. By cluster analysis for plant community group identification,and by non-metric multidimensional scaling( NMDS) and a post-hoc non-parametric tests for examine the influence of soil parameters on plant distribution,this study found that in Laos,which located on the northern edge of the tropics,substantial turnover in tree species composition sometimes occurs over short distances,although tree species may be shared among forest types. Moreover,turnover in species composition appears to be associated with soil conditions.

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