1.
The Regeneration and Effect Factors under the Crown of North Coniferous Forest in Guandi Mountain Region;
关帝山林区寒温性针叶林林下更新及其影响因素
2.
Optimization of Planted Seedling under Plantation in Beijing Based on Value Evaluation
基于价值评价法的人工林下更新苗木优化选择研究
3.
HABITAT UNDER BIRCH-ASPEN FOREST AND NATURAL RECRUITMENT OF KOREAN PINE
杨桦林下的生境条件与红松天然更新的研究
4.
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
5.
Studies on photosynthetic characteristics for young trees of Pinus koraiensis regenerated artificially in broadleaved forests
阔叶林下人工更新红松幼树光合作用研究
6.
simulated inventory data updating
模拟调查数据更新 -森林
7.
Impacts of Hathpace Soil Preparation and Caudex Cutting on Growth of Manchurian Ash Seedlings Planting under Its Natural Forest;
高台整地和苗木截顶对水曲柳天然林下人工更新苗的影响
8.
Study on the Environment for the Young Tree of Pinus Koraiensis by Artificial Regeneration in Natural Secondary Forest;
天然次生林下人工更新红松幼树生长环境的研究
9.
Reproductive Ability and Relative Environment Factors of Degraded Populus euphratica Forest in Ecological Water Delivery Project at Lower Reaches of Tarim River
塔里木河下游生态输水后衰败胡杨林更新能力与条件分析
10.
A study on asexual reproduction and regeneration of Robinia pseudoacacia plantations in different habitats in Hilly Area of the Loess Plateau
黄土高原不同立地条件下刺槐人工林种群的无性繁殖与更新
11.
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
12.
Study on Vegetation Regeneration of Skidding Road in Liushuhe Forest Farm of Jinlin Province
吉林柳树河林场集材道植被更新研究
13.
Characteristics of Stand Regeneration of Two Forest Types in Natural Larix gmelinii Forest
兴安落叶松天然林2种林型林分更新特征
14.
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
15.
Study on Regeneration cutting Age of Shelter belt in Nongan County,Jilin Province
吉林省农安县农田防护林更新采伐年龄的研究
16.
Natural Regeneration of Armand Pine Forest in Qinling Mountain Forest Region
秦岭林区华山松林天然更新的初步研究
17.
Gap Features and Regeneration in the Broadleaved-Korean Pine Mixed Forest of Xiaoxing an Mountains;
小兴安岭阔叶红松林林隙特征及其更新研究
18.
The Characters and Regeneration of Picea Crassifolia Forest Gap in Qilian Mountain;
祁连山青海云杉林林窗特征及更新特点的研究