Building Forest System for Water and Soil Conservation as Small Basin Unit

1、

The Function of shrub on Maintaining the water and soil

试论灌草在水土保持林中的作用

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2、

Constructing techniques on macro and micro scale are recommended.

从宏观和微观角度研究提出了高效水土保持林体系构建技术。

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3、

Eucalyptus as a'Strong Tree Species for Soil Conservation in Yunnan province

桉树作为云南省水土保持林主要树种的思考

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4、

Adjustment Techniques of Species Structure on Soil and Water Conservation Forest

水土保持林树种结构调整技术研究

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5、

Regulation Density of Soil and Water Conservation Forest of Platycladus orientalis

侧柏水土保持林密度调控

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6、

Function in Order of Forest System for Soil and Water Conservation

水土保持林体系的功能有序

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7、

Pinus tabulaeformis Carr. is a widespread main wood species in China, used for soil and water conservation forest in north of China.

油松（Pinus Tabulaeformis Carr.）在我国分布广泛，也是北方营造水源涵养林、水土保持林及用材林的主要树种之一。

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8、

A Preliminary Research on ECR of Soil and Water Conservation Forest

水土保持林有效覆盖率（ECR）的初步研究

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9、

Hydrologic Effect of Forest for Soil and Water Conservation in Tropical Zone of the South China

华南热带水土保持林的水文效应

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10、

Study on Techniques of comprehensive nurture of forest for soil and water conservation

水土保持林综合抚育技术研究

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11、

Base of those, select the best types of the structure distribution modes for the different site conditions, including sand-binding and wind-controlling forest 52 types, farmland shelter 18 types, timber forest 8, water resource shelter 9 types, road shelter 22 types.

同时，筛选设计了适合不同立地类型的最佳结构配置模式，包括防风固沙林52种，农田防护林18种，用材林8种，水域防护林9种，道路防护林22种。

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12、

With respect to protective forests such as those for water supply conservation, water and soil conservation, windbreak and sand& fixation, felling shall only be permitted for tending and regeneration of forests.

对水源涵养林、水土保持林、防风固沙林等防护林只准进行抚育和更新性质的采伐。

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13、

Experiments of intercropping crops and forest trees carried out in artificial white elm forest show that different intercorpping types and numbers of years have obvious effects on the growing of wind-breaking and dune-fixing forests;

在白榆人工林内进行的农林间作试验表明：不同的间作类型和不同的间作年限，均对防风固沙林的生长有显著影响；

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14、

The effects of the sandbreak forest system in Yulin sandy area on the sandbreak, soil improvement and natural vegetation recovery were studied by investigating their configuring structure and species.

通过对陕北榆林风沙区防风固沙林体系的配置结构、树种组成、防风固沙效益、改良土壤的作用以及对天然植被的影响等的调查、观测和分析，结果表明：其配置结构较为合理。

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15、

Binhai sandy waste, some of farmland flooded and villages, and cause serious harm planting sand-fixing forest received some success.

滨海沙荒有的淹没农田和村庄，危害严重，种植防风固沙林带收到一定效果。

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16、

Investigation on Eco-economical Benefits of the Forest System for Windbreak and Sand-fixation in Hexi Corridor

河西走廊防风固沙林体系生态经济效益调查研究

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17、

Tree Species Selection of Optimization Pattern of Sand Control Forest and Their Arrangement

防风固沙林优化模式的树种选择及其配置

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18、

Study of Wind Tunnel Simulation Experiment on Effects of Sand-Shifting Control Forest

防风固沙林阻沙效果的风洞模拟实验

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19、

Study on Preventing Effect of three Farmland Shelter-Forest Network on Soil Wind Erosion

三种网格的农田防护林防止土壤风蚀的效应研究

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20、

Studies On The Patter And Management Evaluation Of Shelterbelt In Arid Sandy Area

干旱沙区农田防护林营建模式与经营评价研究

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