forestmanagement相关论文
Species composition,structure,regeneration and management status of Jorgo-Wato Forest in west Wolleg
Species composition,structure,regeneration,and management status of Jorgo-Wato Forest (JWF) was studied.Number of indivi......
Sustainable forest management is essential to confront the detrimental impacts of diseases on forest eco-systems.This re......
The Weibull function,a continuous probability distribution,is widely used for diameter distribution model-ling,in which ......
Aspects of forest restoration and hydrology:linking passive restoration and soil-water recovery in B
Although the scientific knowledge about some associations between physical parameters of the soil is con-solidated,studi......
Forests,as a principal component of terrestrial ecosystems,have the huge carbon stock and carbon sink capacity.There are......
Carbon Dynamics in Woody Biomass of Forest Ecosystem in China with Forest Management Practices under
It is critical to study how different forest management practices affect forest carbon sequestration under global climat......
The ultimate object of all evaluation activity in forests is to calculate or estimate the quantity of wood containing in......
Chinese fir(Cunninghamia lanceolate[Lamb.]Hook.)is a fast-growing species which is not only important as a timber-suppli......
Population distribution and threats to sustainable management of selected non-timber forest products
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摘 要：为了解不同营林方式对土壤结构的影响，该研究选取了3种不同类型的林分（包括杉木林、马尾松林和毛竹林），测定了3种林分土壤团聚体......
建德市新安江林场是浙江省最早建立的防护林林场，以水源涵养为主，保护新安江水库，结合经营用材林。全场有林地中防护林面积占５２％。库区防......
天然林资源保护工程是林业六大生态工程之一。甘肃从2000年开始实施天然林资源保护工程,其中2000～2010年为工程一期,已实施完毕;201......
森林经营外部效应的产生有其特殊性。它作为非市场交换商品，具有非可控性，难计量性以及引人关注性等多元特性。森林经营外部效应内部......
农户经营森林是我国广大乡村发展森林资源的重要组成部分,对乡村农户经营森林情况的实地调查与分析的结果表明:农户经营森林具有经......
三峡库区的山地生态系统具有先天脆弱性，人类活动对生态环境的影响强烈，农业生态系统抗逆力差，森林景观破碎化。作为陆地生态系统的主......
简述了在内蒙古两个林业局的森林二类调查中用ＴＭ影象代替航片进行区划、调绘、定位和面积量算、测树因子估测的试验方法和结果。试验......
