1.
Management Techniques of Natural Birch Forests and Its Objective management
天然白桦林经营调控技术及目标管理
2.
Study on Gap Characteristics and Stability of Betula Albo-sinensis Forest in Taibai Mountains;
太白山红桦林林隙特征及其稳定性的研究
3.
Study on Water Conservation and Hydrochemical Characteristic of Different Stages of Betula Platyphylla Forest
不同林龄白桦林水源涵养及水化学特征研究
4.
Results of this study provide a theoretical basis for the oriented cultivation of poplar-birch natural forests.
这为杨桦林的分类定向培育提供了理论的依据。
5.
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
6.
Seasonal changes of soil respiration in Betula platyphylla forest in Changbai Mountain, China
长白山白桦林地土壤呼吸的季节变化(英文)
7.
Effect of Soil Properties in The Natural Secondary Forest by Planting Conifer and Reserving Broad-leave
栽针保阔对天然次生白桦林土壤养分的影响
8.
Infestation of Betula platyphylla by Anoplophora glabripennis and Its Control Using Insecticides
光肩星天牛对白桦林的危害及药剂防治效果
9.
Soil CO_2 released effluxes of Birch forest in the Changbai Mouhtains
长白山天然次生白桦林土壤CO_2释放通量研究
10.
The water-holding capacity of litter layers in the forests of Larix principis-rupprechtii and Betula albo-sinensis in Liupan Mountain and their rainfall interception process
六盘山华北落叶松林和红桦林枯落物持水特征及其截持降雨过程
11.
Study on Nutrient Use Efficiency in the Mixed Forest with Betula luminifera and Cunninghamia lanceolata
光皮桦杉木混交林养分利用效率研究
12.
Study on Precipitation Hydro-chemical Characteristic of Different Stages of Betula platyphylla Secondary Forest
不同林龄白桦次生林降雨水化学特征研究
13.
The Seed Bank in Logging Gaps in Populus davidiana-Betula platyphylla Secondary Forests in Changbai Mountain
长白山杨桦次生林采伐林隙种子库特征
14.
Comparison of Biomass of Betula alnoides Plantations and Natural Secondary Forests in Xishuangbanna
2种西南桦人工林与同地2种天然次生林的林分生物量对比研究
15.
A Feasible Study on the Potherb Base Construction in Huanan Forestry Bureau;
桦南林业局山野菜基地建设可行性研究
16.
Study on Growth Models with Artificial Neural Network for Betula Platyphlla Plantation
白桦人工林生长的人工神经网络模型研究
17.
Geologic features and prospecting direction of Xinglong W-Mo deposit,Huadian,Jilin Province
吉林省桦甸兴隆钨钼矿床地质特征及找矿方向
18.
An Analysis of the Growth Effect of Young Betula luminifera Plantation under Different Site Conditions
光皮桦人工幼林不同立地条件生长效应分析