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首页> 外文期刊>Annals of Forestry >THE STABILITY AND DIVERSITY PATTERNS OF VEGETATION IN TROPICAL FOOT-HILL FOREST ALONG DISTURBANCE GRADIENT IN GARHWAL HIMALAYA
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THE STABILITY AND DIVERSITY PATTERNS OF VEGETATION IN TROPICAL FOOT-HILL FOREST ALONG DISTURBANCE GRADIENT IN GARHWAL HIMALAYA

机译：喜马拉雅热带地区热带雨林的扰动梯度下植被的稳定性和多样性格局

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摘要

Various phytosociological attributes of woody vegetation were analysed along a disturbance gradient at an elevation of 350 m asl in the foothill forest of the Garhwal Himalaya. The disturbed sites were surveyed for soil attributes, floristic composition, similarity index, concentration of dominance, species diversity, beta diversity and equitability at each stratum of the woody vegetation. Maximum number of trees and shrubs were recorded on undisturbed site. Holoptelea integrifolia, Adina cordifolia,Anogeissus latifolia, Mallotus philippensis and Cordia myxa (tree species) were present on all sites. Holoptelea integrifolia was dominant species on undisturbed and mildly disturbed sites, whereas on highly disturbed site, Anogeissus latifolia was dominant. Among the three sites, maximum similarity was observed between UD and MD site (66%) and minimum between UD and HD site (52%). The value of CD and HD for trees ranged from 0.014 on UD to 0.263 on HD sites, and 2.749 on MD to 3.128 on HD sites respectively.
机译：在Garhwal喜马拉雅山山麓森林中，沿海拔350 m asl的扰动梯度分析了木本植物的各种植物社会学属性。调查了受干扰地点的木本植被各层的土壤属性，植物组成，相似性指数，优势浓度，物种多样性，β多样性和公平性。在不受干扰的地点记录了最大数量的树木和灌木。在所有地点都存在整群全麦，阿迪纳堇叶，无叶无叶金线莲，菲律宾飞Mall和粘my（树种）。在无干扰和轻度扰动的位置上，整叶锦梭菌为优势种，而在高度扰动的位置上，无叶芦荟为优势种。在这三个位点中，UD和MD位点之间的最大相似性（66％），而UD和HD位点之间的最小相似性（52％）。树木的CD和HD值分别从UD的0.014到HD的0.263，MD的2.749到HD的3.128。

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