1.
Drylands Ecosystems and Desertification Control Programme Activity Centre
旱地生态系统和防治荒漠化方案活动中心
2.
Research on Emission Fluxes of Greenhouse Gas in Dry-land Ecosystem of Central Sichuan Hilly Area;
川中丘陵区旱地生态系统温室气体排放通量观测研究
3.
Semi-arid land ecosystems
半干旱地区生态系统
4.
Study on Comprehensive Improvement Techniques of Ecological System of Cotton Field in Dry Land;
旱地棉田生态系统综合改良技术研究
5.
Located in an arid and semi-arid area, Ningxia is one of the weakest ecological systems in China.
宁夏地处干旱半干旱地带，是全国生态系统最脆弱的省区之一。
6.
The Law of Carbon Cycle of Terrestrial Ecosystem in Arid Region;
干旱地区陆地生态系统碳循环规律研究
7.
Optimal adjustment of agricultural eco-environment system in arid and semi-arid regions;
干旱半干旱地区农业生态环境系统优化调控研究
8.
Eco-economic Analysis of the Pear Tree-Upland Rice System on Sloping Land in Three Gorges Reservoir Area of China;
三峡库区坡地梨—旱稻复合系统生态经济分析
9.
Study of Nutrients Balance of Semi-arid Ecosystem in Loess Plateau;
黄土高原旱地农田生态系统N、P、K平衡研究
10.
The Harm of Drought to the West Region and Its Prevention Strategy;
干旱是西部地区生态系统受损的关键因素
11.
ECOLOGICAL FUNCTION OF MAIZE CROPPING SYSTEMS ON UPLAND RED SOIL AND ITS COMPREHENSIVE EVALUATION
红壤旱地不同玉米种植系统的生态学功能评价
12.
Estimation of Land Utilization Ecosystem Service Function Value in Semi-arid Intra-country
半干旱地区县域土地利用生态系统服务功能价值估算
13.
Analysis on plant α and β-diversity of wetland eco-system in semi-arid region
半干旱地区湿地生态系统植物α及β多样性分析
14.
The Research on the Agro-ecosystem Productivity Development in the Ecotone in Dry-semidry Area between Agriculture and Pasture in North China;
北方干旱、半干旱农牧交错带地区农业生态系统生产力开发途径研究
15.
Study on Nutrient Cycling of N and P of Pear-Dry Rice Intercropping Ecosystem in Hill of Northern Zhejiang;
浙北丘陵山地梨—旱稻复合生态系统氮、磷元素循环研究
16.
The Study on Technology and Method of Water Resources Assessment of the Typical Ecosystem in Arid Area;
干旱地区典型生态系统水资源评价技术方法研究
17.
Contribution of Atmospheric Nitrogen Deposition to the N-Balance in Smooth Crabgrass/Winter Radish Rotation Ecosystem on Red Soil Upland;
大气氮沉降对红壤旱地马唐—冬萝卜生态系统氮平衡的贡献
18.
Research on Nitrogen Recycle and Its Effect on Environment in Dry-Land of Loess Plateau;
黄土高原旱地农田生态系统N素循环及其环境效应研究