防护林

fánɡ hù lín
  • Protection forest;shelterbelt;shelter forests
防护林防护林
防护林 [fáng hù lín]
  • [protection forest] 防止风沙、保护环境的人工林木区

  1. 区域防护林体系总体热效应的遥感分析

    Remote sensing analysis of total heat effects of regional shelterbelt system

  2. 风沙区农田防护林营建多样性及景观效益

    Structure diversity and landscape benefit of farmland shelterbelt in sandy area

  3. Internet与防护林工程建设和管理

    Relation between Internet and construction and management of protective forest engineering

  4. GIS在珠江防护林管理信息系统中的应用

    The application of GIS on the management information system of Pearl River Protection Forest

  5. 基于GIS的建湖县农田防护林空间配置及发展规模研究

    The Study on the Optimization of Spatial Arrangement and Development Scale of Farmland Shelterbelts in JianHu County Based on GIS

  6. 建立了该区域内沙质海岸防护林体系的遥感解译标志.并对遥感与地理信.包系统(GIS)技术集成用于海防林体系的动态监测做了初步探讨。

    And sets up their interpreted signals . Dynamic supervising of Shelter-forest System through tile integrated technology of remote sensing and GIS is also discussed .

  7. 从农、牧、林角度比较了防护林(A)、农林复合(B)和林牧复合(C)三种措施防治沙化的效果。

    The farmland sandy desertification preventing effect was compared : protective forest ( A ), the farming and forestry compound ( B ) and the forest and pasture compound ( C ) .

  8. 在我国,杨树(populus)的栽植遍及全国各地,是我国用材林、防护林和四旁绿化林的主要树种。

    In our country , poplar ( populus ) of planting throughout the country , is timber , shelterbelts and afforestation major forest tree species .

  9. 随着放牧强度的增加,防护林草地硬度、容重增加,土壤有机质和土壤N、P、K营养元素含量降低。

    The effect of grazing on the grassland under woods is relatively great , along with the increase of grazing intensity , soil rigidity , soil capacity , and the nutrient element of N , P , K all decreasing accordingly .

  10. 将3S技术应用于农田防护林的空间配置,是一个新的尝试,系统的功能的开发和完善有待于在实际的应用中进一步进行。

    Appling the technology of ' 3S ' into the spatial arrangement of farmland shelterbelts is a new attempt , its function need to be improved in actual application .

  11. 用台湾相思更新木麻黄防护林使土壤pH值呈上升趋势,这与台湾相思林分土壤中水解性总酸度、交换性总酸度和交换性铝含量降低有关;

    PH value showed the trend of declination in soil of Acacia confusa plantation compared with the first and second generation of Casuarina protection forest , and it was related to the declination of hydrolytic acidity , exchangeable alkalini , and exchangeable aluminum ;

  12. 短枝小麻黄(Casuarinaequisetifolia)是我国华南、东南沿海防护林最主要的造林树种,它对改善沿海地区生态环境,促进沿海经济发展起着十分巨大的作用。

    Casuarina equisetifolia is the most important tree species in coastal protection plantation in southeastern and southern China . It plays an important role in improving ecological environment and promoting economic development .

  13. 本研究应用3S技术,利用研究区的不同时期遥感影像、实地调查数据及各类统计图表数据,实现平潭县沿海防护林时空分布专题信息提取。

    The study uses Geomatics and achieves the extraction of temporal and spatial distribution thematic information of coastal protective forests in Pingtan County , drawing on the remote sensing images of different periods , survey data and various statistics data .

  14. 防护林体系区域性气候效应的探讨

    A study of effects of protective Shelterbelt System on regional climate

  15. 芹河沙地小流域防护林生长情况调查研究

    Investigation on growth of protection forest in Qinhe sand small watershed

  16. 中国防护林实践和理论的发展

    Development of practice and theory of the protection forest of China

  17. 沿海防护林优良适生树种造林效果研究

    Growth Performance of Fine Adaptive Tree Species for Coastal Protection Forest

  18. 福建省沿海防护林可持续发展探讨

    Approaching the Sustainable Development of Coastal Protective Forests in Fujian Province

  19. 四是在多功能防护林体系建设中,工程措施与生物措施相结合;

    Fourth to combine engineering and biological measures in MPFS construction .

  20. 晋中农田防护林建设现状及其效益评述

    Present Situation and Benefit of Farmland Shelter belt Construction in Jinzhong

  21. 湖南省长江防护林生态防护功能研究

    Ecological functions of shelter forest along Yangtze river in Hunan Province

  22. 海南沿海防护林体系现状及建设对策

    Current Situation and Construction Countermeasures of Hainan Coastal Defense Forest System

  23. 坡面防护林生态经济效益综合评价

    Intergrated Evaluation of Ecological and Economic Effects of Slope Shelter Forests

  24. 防护林地区近地面层湍流结构及通量特征研究

    Characteristics of the turbulence structure of surface in the windbreak area

  25. 中国海岸防护林造林地立地类型的分类

    Site classification for protected forest afforestation on the coast of China

  26. 半干旱风沙区农田防护林的功能及效益评价

    Functions and Benefits of Farm land Shelter-belts in Semiarid Sand Land

  27. 滇池流域防护林体系建设对环境的保护作用

    Protection of shelter Belt in Dianchi Lake Catchment to Environment

  28. 紫穗槐是库区防护林的优良树种

    False indigo , a fine variety for shelter forest in reservoir area

  29. 低效防护林改造对林地生物多样性变化的影响

    Effect of Inefficient Protection Forest Regeneration on Variation of Biodiversity of Stand

  30. 探索三北防护林体系建设

    Effectivity way on sustainable development of " Three-north shelter-belts-forest system " building