森林健康
- 网络forest health
![森林健康](../cache/1332801.jpg)
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森林健康与森林病虫害科学防控的浅析
Forest health and scientific prevention and control of forest diseases and pests
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据此提出了森林健康经营应遵循的原则及措施。
Thus the principles and countermeasures for forest health management are proposed .
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并且为了验证CSDI模型的可行性,又选取了平均树高、平均胸径、生物多样性指数等16个指标采用因子分析法对相同的样地在较为客观的角度进行了森林健康评价。
In order to verify the feasibility of CSDI model , this paper used factor analysis to assess the same plots more objectively with 16 indicators , such as average height , average diameter at breast height , biodiversity index .
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油料林森林健康评价指标体系的研究
Study on the Forest Health Assessment System for the Biological Oil-pressing Forests
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三明林区森林健康保护与发展的思考
Forest health protection and developmental strategy in Sanming forest region
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深入研究森林健康积极探索中国森林健康之路
Research on the Implementation of Forest Health Strategy in China
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从森林健康谈浙江省阔叶林的发展
About Development of Broad - leaf Forest in Zhejiang Province
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基于小班水平的北京山区森林健康评价研究
Study on Assessment of Forest Health of Beijing Mountainous Area
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文章介绍了美国近年来的森林健康状况,指出2000~2002年是50年来美国森林火灾最严重的时期。
The paper introduces the status of American forest health .
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延安市城市森林健康评价
Health assessment of urban forest ecosystem in Yan'an City
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千岛湖区森林健康经营探析
Exploration on Forest Health Management of Thousand-isles Lake Area
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祁连山森林健康保护与恢复策略
Strategy and Technology on Conservation and Instauration of Forest Health in Qilian Mountain
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森林健康监测与评价研究
Study on Monitoring and Assessment of Forest Health
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介绍森林健康问题的历史背景和森林状态监测的最新发展。
The history and the newest progress of monitoring forest health condition is reviewed .
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美国国家森林健康监测与评价计划及对我国的启示
National Forest Health Monitoring of United Stated of American and Its Apocalypse to China
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可持续发展的市场提供更多的选择处理再生和森林健康需求的地主。
Sustainable markets provide landowners with more options for addressing regeneration and forest health needs .
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浅论首都林业与森林健康
Discussion on Beijing Forestry and Forest Health
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森林健康评价指标及应用研究
The forest health assessment indicators and application
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森林健康理论与实践
Forest Health Theory and its Practice
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该信息系统旨在推动各国编制国家森林健康文件。
The information system is designed to facilitate documentation on forest health at the country level .
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美国森林健康状况
The Status of American Forest Health
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森林健康理论与病虫害可持续控制&对美国林业考察的思考
Forest Health Theory and Sustained Control of Forest Disease and Pest & Thinking About American Forestry Observation
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介绍了天然林保护工程森林健康维护系统的初步设计构想。
The preliminary design blueprint of forest health maintaining system of the project of protecting natural forests was introduced .
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森林健康的理论与实践的研究使得森林健康评价有了可操作性。
The research of the theory and practice of forest health has made the evaluation of forest health operational .
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森林健康是美国近十多年来在森林病虫火防治实践中形成的一种新的理论。
Forest health is a new theory produced in control practice of forest pest and fire in recent ten years .
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针对以上特征对照八达岭林区森林健康指标,总结出阔叶次生林健康经营几项关键技术。
Be aimed at all above characteristic , sumed up out broad leaf secondary forest health manage several key technologies .
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森林健康项目信丰示范区主要森林群落生物多样性研究
Study on Biodiversity of Main Forest Communities at the Demonstration Area of Forest Health Management Project in Xinfeng , Jiangxi
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迄今,已收集了83个国家森林健康问题的定量及定性信息,其中主要是发展中国家和转型国家。
To date , qualitative information on forest health issues has been collected for64 countries , mostly developing and countries in transition .
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症状功能评价法主要是针对复杂度高或大尺度森林健康的评价。
The Symptom / Service approach is suitable for assessing the forests with more complex structure or in large scale . 7 .
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森林健康评价现已经成为现代林业发展的一个热点,健康的森林与经济社会的可持续发展是密不可分的。
Health forest is fundamental for sustainable development of socio-economic and forest health assessment has becomes one of the hotspots of modern forestry development .