搜索结果: 61-75 共查到“知识库 森林保护学”相关记录553条 . 查询时间(5.703 秒)
为评估入侵害虫红棕象甲Rhynchophorus ferrugineus对本土农林生态系统的风险,于2016—2019年采用受害植株调查和成虫诱捕的方法跟踪监测该虫在加拿利海枣Phoenix canariensis引种点及周边1 600 m半径范围内本土棕榈Trachycarpus fortune上的发生情况,并对来自野外加拿利海枣与棕榈上的成虫形态及繁殖力进行比较。结果显示,红棕象甲可随加拿利海...
矿质元素与 “ 恭城水柿 ” 顶腐病发生研究
矿质元素与 恭城水柿 顶腐病
2023/6/5
笋用林钻蛀性害虫监测及综合治理技术研究与示范
笋用林 钻蛀性害虫 害虫监测 综合治理
2023/2/15
项目针对我国南方地区笋用林钻蛀性害虫危害猖獗的现状,在系统掌握竹林金针虫及竹笋夜蛾等重大害虫发生规律的基础上,研发了高效的性信息素引诱剂和生防菌剂,提出了准确的种群动态监测技术,构建了集成行为调控、生物防治及生境治理等一套绿色、无公害的笋用林钻蛀性害虫综合治理技术,攻克了竹林金针虫等笋期钻蛀性害虫监测难、防效差、有效期短等瓶颈问题,在我国南方笋用竹区推广应用24万亩,增收节支9600万元。
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TRL 总有机碳测定仪
TRL 总有机碳测定仪 中国林业科学研究院 森林生态环境与自然保护研究所
2022/6/13
![](http://www.firstlight.cn/upload/imgfile/20235/30/2023530143432493.jpg)
广东省林业科学研究院科研团队:林业生物杀虫剂研究团队(图)
广东林科院 科研团队 林业生物 杀虫剂
2023/5/30
DETERMINING THE LOCATIONS OF POTENTIAL FIREFIGHTING TEAMS BY USING GIS TECHNIQUES
Disaster Management Forest Fires Firefighting Teams GIS Network Analysis Shortest-path
2018/11/8
Wild forest fires are one of the most important disasters that affect the forest ecosystem especially in the regions with arid climate conditions. Besides, forest fires threats human life and results ...
A SPATIAL DISTRIBUTIONMAP OF THE WILDFIRE RISK IN MONGOLIA USING DECISION SUPPORT SYSTEM
MODIS burnt area fire hotspot land cover Multi-Criteria Evaluation Analysis SPI
2018/5/8
Wildfire is a cause of major disturbance to ecosystems and economies throughout the world. Hence, the wildfire is a vital issue of environment for creating natural disaster and socio-economic damage t...
INVESTIGATION OF URBAN GROWTH EFFECTS ON FOREST AREA BY CREATING DIFFERENT SIMULATION SCENARIOS
Simulation Cadastre GIS Urban Growth
2018/4/18
It is necessary to keep urban growth under control according to the understanding of sustainable urban management in rapidly growing cities. In other words, sustainable urban management requires estim...
3-DIMENSIONAL PRE- AND POST-FIRE COMPARISON OF FOREST AREAS
Forest fire VHR satellite imagery orientation image matching DSM generation 3D change detection
2018/5/8
Forest agencies give special attention to forest fires where post-disaster loss can rarely be gauged in a quick and economic way unless an appropriate technology is adopted. Determination of the plani...
基于非稳态法测定木材水分扩散系数
樟子松;非稳态;扩散系数;水分扩散
2018/7/4
锯材在纤维饱和点以下干燥时,水分的迁移过程主要是以非稳态扩散形式进行的,非稳态扩散指木材内部的水流通量和含水率梯度随时间和空间而变化。为了给木材干燥提供依据,采用非稳态法在一定的试验条件下测定了木材的水分扩散系数,探讨了不同材种、干燥介质温度、初始含水率、纹理方向对扩散系数的影响。结果表明:扩散系数与树种有一定的关系,通过比较,樟子松的扩散系数为7.06×10-6 cm2/s,杨树的扩散系数为9....