1) pure Pinus massoniana plantation
马尾松纯林
1.
By the hierarchical sampling methods, the spatial structure of biomass was analyzed for the ecosystems of pure Pinus massoniana plantation and the mixed P.
通过分级取样测定法,对马尾松纯林及其林下套种格氏栲的混交林生物量空间结构进行了分析。
2) Pure Masson's pine stand
纯马尾松林
3) Pinus massoniana forest
马尾松林
1.
Successional dynamics of Pinus massoniana forest in Lijiang River watershed,Guilin;
桂林漓江流域马尾松林演替动态
2.
Based on a field investigation, the early recovery vegetation characteristics of Pinus massoniana forest, Cunninghamia lanceolata forest and evergreen broad-leaved forest, which had been burned severely one year before, in Maoan Forestry Centre of Chongqing were analyzed.
通过对重庆市北碚区茅庵林场马尾松林,杉木林和常绿阔叶林3种群落火烧1年后的迹地以及未火烧林地的群落学调查,研究了高强度火干扰后不同群落早期恢复植被特征。
3.
Height, diameter at breast height(DBH) and canopy width(CW) of 17 broadleaved tree species in degraded Pinus massoniana forest from lianhua mountain Nature Reserve of Dongguan city, were measured and analyzed.
对东莞莲花山自然保护区退化马尾松林林分2002年种植的17个3年生阔叶树种的树高、胸径以及冠幅进行测量和分析。
4) masson pine forest
马尾松林
1.
The distribution of Masson Pine forest is very wide in the upper ana middle reaches of Yangtse River.
长江中上游地区马尾松林的分布非常广泛。
5) Pinus massoniana
马尾松林
1.
Eco-hydrological Effect of Pinus massoniana Canopy and Its Influence Factors in Zhangjiajie of Hunan Province;
湖南省张家界马尾松林冠生态水文效应及其影响因素分析
2.
Study of Hydfological Characters and Movement of Mineral Elements of Pinus massoniana Forest Watershed;
马尾松林水文特征及其矿质元素迁移研究
3.
pubescens, Pinus massoniana stand and tea garden were analyzed.
通过对马尾松林、茶园和毛竹林土壤酶活性的研究表明:3种群落间,毛竹林的过氧化氢酶活性大于马尾松林、茶园(P<0。
6) Pinus massonian woodland
马尾松林地
1.
In the red soil area of southern China,because of erosion and degeneration of Pinus massonian woodland,extremely leanness of soil and large degeneration area,it is difficult to recover ecology of degenerated Pinus massonian woodland.
我国南方红壤区严重侵蚀退化马尾松林地土壤极度贫瘠,加之退化面积广等因素,导致其恢复的难度加大,如何恢复侵蚀退化马尾松林地成为当前面临的一个艰巨而又迫切的任务,因此加快相关方面的研究和治理,探讨其退化机理,解决生态恢复关键技术,对于推动红壤区的生态建设具有重要意义。
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