To understand the effects of varying soil temperature and moisture content on soil organic carbon(SOC)mineralization under mountain forest,alpine meadow,desert steppe,and arid steppe in mid Qilian Mountains,an anaerobic incubation test with orthogonal design was conducted in an artificial climatic chamber.
05);土壤培养14d,10%含水量下为最低,山地森林土壤比荒漠草原和干草原高,高寒草甸比荒漠草原高(P<0。
As a result, many mountain forest development models have been worked out or identified around the world, including legislation/law, multifunction.
山地森林具有多功能性 ,在山地生态系统中起决定性作用 ,对下游地区则具有生态保护作用。
The mountain forests in Hebei province,situated in deciduous broad-leaved zone,have the following charateristics:low productivity,dominative plantations more over naturalforests,and stagged distribution pattern of forest with cropland,orchard and grazing land.
河北的山地森林在改善山区的生态环境、维持生物多样性、供应城乡居民所需的用材和烧柴及果品、为人民提供游乐活动场所等方面起着重要的作用。
Defining property rights and carrying out the forest land rent system is necessary to solve the problem.
指出了我国现行林地使用制度中的不合理之处为林地产权不清,同时指出解决林地产权不清的途径是:界定产权,并在我国实行森林地租制度。
This paper reviewed the study of vegetation restoration of freshwater forested wetlands at home and abroad,including suitable species selection,planting method,restoring pattern,planting density,root pruning and competition controls.
综述了国内外有关淡水森林湿地植被恢复的主要研究进展,探讨了淡水森林湿地植被恢复与生态重建的可行性,概述了森林湿地恢复的具体措施和技术方法,提出我国在淡水森林湿地植被恢复研究方面亟待解决的问题。
Sandy forest-steppe ecotone in Baiyinaobao Natural Reserve of Inner Mongolia Autonomous Region of China is one of the special landscape types in forest-steppe vegetation zone in China.
位于内蒙古白音敖包自然保护区的沙地森林草原过渡带是我国森林草原植被带中非常特殊的景观类型之一。
Picea mongolica is an endemic and endangered tree species in sandy forest steppe ecotone in eastern Inner Mongolia Autonomous Region of China, and P.
沙地云杉是我国内蒙东部沙地森林草原过渡带的特有濒危树种 。
This paper briefly analyzed the managements and techniques of wetland forests and its change trends in USA.
湿地森林是湿地资源的重要组成部分,文中介绍了美国湿地森林的经营状况和经营技术。
Study on Urban Forestry and Transformation of Mountain Region Forest of Island in Xiamen;
厦门城市林业及本岛山地森林改造的研究
Study on the Relationship between Forest Combustibility and Stand Structure in Mountains Region of BeiJing;
北京周边山地森林燃烧性与林分结构关系研究
Study on Theories of Forest Vegetation Recovery and Construction in Yanshan Mountain Area;
燕山山地森林植被恢复与重建理论和技术研究
Study on the Solar Radiation Environment in the Forest of the North Part of Ailao Mountains, Yunnan Province;
哀牢山北段山地森林太阳辐射环境研究
Study on Topographic Correction of Optical Satellite Data in Forested Areas
山地森林地区遥感影像地形辐射校正研究
Establishment and Application of the Synthetic Assessment System of Forest Ecosystem Health in Beijing Area;
北京山地森林健康综合评价体系的构建与应用
Studies on Structure and Function of Shrub Layer of Karst Forest in Guizhou Provincial Center Mountainous Area, China;
黔中喀斯特山地森林灌木层结构与功能研究
Study on the Monitoring and Analysis of Forest Health in Hilly Mountains of South JiangXi;
赣南丘陵山地森林健康监测与分析研究
mountain podzolic brown forest soil
山地灰化棕色森林土
a hilly forest region in southwestern Germany.
一个位于德国西南的山坡森林地带。
Assessment of Restoration Result to Mountainous Region Degeneration Forest Ecosystem
山地退化森林生态系统恢复效果评价
Mountainous areas, covered by forests, are the very place for forestry development.
而山区正是拥有森林和适合发展林业的地方。
Status and Effect of Closing the Land for Reforestation upon Expanding Forest Resources in China;
封山育林在我国扩大森林资源中的地位和作用
Study on Physico-chemical Characteristics of Forest Soil on Taiyue Mountain in Shanxi Province
山西太岳山地区森林土壤理化性状研究
In case a contractor contracts for afforestation of waste hills and unreclaimed lands suitable for afforestation, provisions of the Forestry Law shall be followed.
承包方承包宜林荒山荒地造林的，按照森林法的规定办理。
The island is mountainous and wooded, giving peculiar scope to the qualities of your troops.
岛上山峦绵亘，森林茂密，你的军队大有用武之地。
Studies on the Restoration Mechanisms of Forest Vegetation in Mountainous Fragile Eco-regions in Southwest Sichuan
川西南山地生态脆弱区森林植被恢复机理研究
STATUS OF BAMBOO PLANTS IN FOREST VEGETATIVE COVER ON THE NORTH SLOPE OF DABIE MOUNTAIN IN THE WEST ANHWEI
竹类植物在皖西大别山北坡森林植被中的地位