Study on Relationship of Frozen Soil and Forest Regeneration of Daxinganling Forest Area;
大兴安岭林区冻土与森林更新关系的探讨
Seed quality and forest regeneration of a 60-year Quercus liaotungensis forest in the Ziwuling region,northwestern China.
子午岭60年辽东栎林种子质量与森林更新
As an important part of forest ecosystem, stump reflects the values of economy and ecology, which affects the utilization of stands, and has influence on many aspects in forest, such as forest regeneration, wild life and nutrient cycling.
伐根体现了经济和生态双重价值,它既影响立木的利用,又是森林生态系统的重要组成部分,对森林更新、林中野生动物、养分循环均产生影响。
FR167653 has been characterized as a potent suppressant of TNF-α and IL-1β.
目的探索肿瘤坏死因子-α及白介素-1β双重合成阻断剂-FR-167653在阻止内毒素诱发的肝硬化大鼠70%肝切除术后急性肝功能衰竭中的作用。
Seed quality and forest regeneration of a 60-year Quercus liaotungensis forest in the Ziwuling region,northwestern China.
子午岭60年辽东栎林种子质量与森林更新
Propagules and Regeneration of Karst Semi-Humid Evergreen Broad-Leaved Forest in Central Yunnan;
滇中岩溶山地半湿润常绿阔叶林植物繁殖体与森林更新
simulated inventory data updating
模拟调查数据更新 -森林
Studies on the Regeneration of Forest Communities in Malan Forest Region on the Loess Plateau;
黄土高原马栏林区森林群落更新研究
Comparison Study on Regeneration of the Three Types of Forest in Jingouling Forest Farm
金沟岭林场主要森林类型林分更新比较研究
China fir from mainland China are used here in reforestation work.
该地用中国大陆的杉木以更新森林。
Natural Regeneration of Korean Pine Mixed Forests in Dong Zhelenghe Forest Station,Xiaoxing'an Mountains
东折棱河森林经营所红松混交林的天然更新
Study on the Spatial Distribution Patterns and Regeneration of Main Forest Types in Over-cutting Forest Area in Changbai Mountains;
长白山过伐林区主要森林类型空间分布格局与林分更新研究
Simultaneously, a rotation system is in place for lumbering bases so as to help restore vegetation.
同时，对采伐基地进行及时更新，恢复森林植被。
An Inquiry into Annual Updating of NFI Data under Stratified Sampling
分层抽样下的森林资源清查数据年度更新探讨
Study on Updating Techniques of Forest Resources Data Based on Mathematical Morphology
基于数学形态学的森林资源数据更新技术研究
Regeneration of Four Types Forest Communities in Liupan Mountains
六盘山4种类型森林群落天然更新初探
The Establishment of Forest Resource Inventory Management System and the Study of Data Update Method;
森林资源档案管理系统的研建与数据更新方法的研究
Studies on Regeneration and Assessment of Ecological Restoration of Major Forest Communities in Liupan Mountain Natural Reserve
六盘山自然保护区主要森林群落天然更新与生态恢复评价研究
Study on Key Techniques of Spatial Data Acquiring and Updating of Forest Resources Inventory
森林资源二类调查空间数据获取与更新的关键技术研究
Approaches on Renewal Methods of Hunan Forest Resource Archive Data which Based on GIS
基于GIS技术的湖南森林资源档案数据更新方法探讨
The research on the application of RS and GIS in forest resources archives updating technology
基于RS和GIS的森林资源档案更新技术研究及应用
Population Structure and Regeneration of the Main Tree Species in Three Typical Forests in the Three Gorges Reservoir Area
三峡库区3种典型森林主要组成树种的种群结构及更新