Deforestation相关论文
这项研究的目的是审查毁林对农村生计的主要影响,特别侧重于塞拉利昂西部地区的农村地区。热带社会的毁林现象有增无减,对森林和依......
Assessment of deforestation impact on soil erosion in loess formation using 137Cs method (case study
Golestan,a province in the North-East of Iran,is characterized by high coverage of loess deposits.Since 1963,the area ha......
在云南省绿春县的有些村庄,由砍柴造成的森林破坏是造成环境退化的主要原因.在黑河流域的上游,不断加剧的水土流失和河床抬升对下......
Effects of selective logging on tree diversity and some soil characteristics in a tropical forest in
We investigated the effects of selective logging disturbances on tree diversity and soil characteristics in the Bia Cons......
Pai, an arid forest in Sindh Province of Pakistan,is important for the environmental, social, economic development and c......
The term forest transition refers to a change in forest cover over a given area from a period of net forest area loss to......
Amphibians and Reptiles of Cebu, Philippines：The Poorly Understood Herpetofauna of an Island with Ve
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Lophozonia tree cavities used for nesting by Slender-billed Parakeets (Enicognathus leptorhynchus) i
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Anthropogenic Impacts on the Sediment Flux in the Dry-hot Valleys of Southwest China-an Example of t
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Socio-economic and Environmental Implications of the Hydroelectric Projects in Uttarakhand Himalaya,
This paper deals with detailed analysis of the fiasco created by the Tehri High Dam in Uttarakhand, India, particularly ......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Evaluating the annual sources and sinks of carbon from land-use change helps con-strain other terms in the global carbo......
Tropical forests have been recognized as having global conservation importance.However, they are being rapidly destroyed......
Characterization of changes in land cover and carbon storage in Northeastern China: An analysis base
We use Landsat TM time series data for the years of 1991/1992, 1995/1996 and1999/2000 to characterize land-cover change ......
Soil erosion and nutrient losses on newly-deforested lands in the Ziwuling Region on the Loess Plateau of China were mon......
<正>Vegetation is one of the key factors affecting soil erosion on the Loess Plateau. The effects of vegetation destruct......
张家口城市生态景观森林化营造及本土性植物模式研究,有利于营造森林化城市,优化人居环境,改善生态环境.本文重点研究北方天然城市......
实践证明森林采伐限额制度符合我国国情、林情,是正确的,要继续坚持。但现行的森林采伐管理制度也存在着与现实不适应的问题。针对......
通过对近代众多来华西方人士撰写的游记、考察报告等原始外文文献的翻检,对美国林学会、工程学会等学术共同体的多种刊物以及中西......
人类活动严重干扰着自然生态系统,其中砍伐是对森林生态系统最常见的干扰之一,它导致森林退化,植物种群变小,甚至灭绝,遗传多样性......
包茂红先生撰写的《森林与发展：菲律宾森林滥伐研究（1946-1995）》，从战后菲律宾政治、经济、社会与森林互动共生的角度，全面展示了菲律......
埃塞俄比亚土壤保持与提高农业生产息息相关。因此,土壤侵蚀监测与土地地力分类至关重要。本文论述了埃塞俄比亚土地退化状况,分析......
在减少砍伐和退化所致排放量（REDD＋）项目实施过程中,对于碳减排量的准确监测与度量是一个非常重要的步骤。而不确定性问题的普遍存在......
选取东南亚中南半岛地区作为模拟区域,基于高分辨率的遥感观测森林变化数据和WRF数值模式,设计毁林前后的两种情景对旱季气候进行......
本文以长江上游支流岷江、嘉陵江和长江上游干流控制站宜昌站的长系列水文资料对长江上游森林生态系统的环境功能、水文效应和森林......
