• Forest health is a new theory produced in control practice of forest pest and fire in recent ten years.

    森林健康美国多年来森林病虫防治实践形成一种新的理论

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  • The recent years' advance in both monitoring and management for forest pest home and abroad are discussed.

    文章系统论述国内外近年森林害虫监测治理方面的研究进展

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  • Based on the natural properties in forest pest disasters, the evaluation system of the (economic) losses of forest pest disasters was explored.

    文章从森林病虫害灾害自然属性出发森林病虫害灾害经济损失评估指标体系的建立进行探索。

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  • Courses may include plant physiology, biochemistry, current pesticide regulations, forest pest suppression, chemical decontamination, and aquatic weed management.

    课程包括植物生理学生物化学、除剂使用规章森林虫害预防、有害化学物质清理水环境清理。

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  • According to the main functions and benefits of forestry ecological system, the index system of the economic losses of forest pest disaster evaluation was determined.

    在分析森林生态系统所发挥功能效益的基础上,提出了森林病虫害灾害经济损失评估指标体系

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  • In the recent ten years, gradual research progresses have been made on the remote sensing application in the forest pest monitoring area, especially on the monitoring model.

    多年来遥感森林虫害监测中的应用研究得到逐步开展,尤其是监测模型研究,取得了显著的研究进展

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  • Based on the fauna composition and division characteristics of forest pest insects in Ziwu Mountains and damage of pests on important tree species, 3 control countermeasures were provided.

    根据子午林区区系组成区划特征,结合主要树种害虫危害特点,提出了预防和除治子午林区森林害虫3项措施。

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  • Paecilomyces cateniannulatus, an entomogenous fungus and one of the predominant species of the fungi in a Masson spine plantation ecosystem, plays an important role on forest pest control.

    环链拟青霉是真菌,是皖南宣城敬亭山马尾松林生态系中的优势松林控制害虫起到了至关重要作用

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  • The species, distribution, damage and control measures of the forest pest rodents in China were described. The major problems in the control at present and its study tendency were discussed.

    该文系统地阐述了我国森林有害啮齿动物种类分布危害研究进展,论述了鼠害的防控措施,分析了当前防治工作中的重点问题研究热点。

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  • Globally there is limited quantifiable data about pest incidence and their effects on forests and forest products.

    全球范围内,有关病虫害发生率及其森林森林产品造成影响可量化数据有限

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  • As long as the plantation simulate for forest structure and take use of the component of anti - insect in its habitat, we can solve the problem for pest disaster.

    人工林构建中,只有模拟天然林结构害虫栖息地林分结构出发,才能根本上解决猖獗成灾问题

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  • Exotic pests were found to be mainly carried by wood package materials, wood trays and boards, and nematodes and forest borers were the mainly pest species intercepted from imported SWPM.

    木质包装材料包装、木托卡板截获的有害生物为多,截获有害生物主要线虫林木害虫为主。

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  • Forest disasters mainly contain human cutting disasters, fire disasters, pest and rodent disaster, the lack of water disasters. This article focuses on forestry "three evils" and prevention.

    森林灾害主要有:人为砍伐树木的灾害、火险灾害、病虫鼠害灾害缺乏水资源的灾害等等。本文主要阐述了林业及其防治。

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  • The efficiency measures should be provided for carrying out integrated pest control in Moso forest by insect dynamics analysis.

    通过害虫种群变动分析可以开展竹林病虫害综合防治提供有效的应对措施

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  • Forest insect pest and disease is one of the main factors influencing forest health.

    森林病虫害影响森林健康主要因素之一

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  • According to observation on harmful characteristics of main forest insect pest, control measures have been put forward.

    主要林木害虫危害特点进行观察,提出了防治策略

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  • The occurrence of Dendrolimus of Simao forest district from 1961 was studied, and the results implied that the occurrence of this pest had periodicity.

    1961年以来思茅林区松毛虫大暴发过程进行了周期性分析,认为松毛虫的大暴发存在一定的周期性规律。

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  • It also shows low unit stock volume, unreasonable forest age structure, low forestland use ratio and severe pest, disease and rat disaster.

    流域森林资源有限且分布不均;单位蓄积量林龄结构不合理;林地利用率不高,病虫鼠害严重

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  • According to analysis of the reason, condition and character of forest disease and insect pest in Pingxiang City, the author put forward effective prevention and control countermeasures.

    针对萍乡森林病虫害发生情况特点及成因分析提出有效控制防治对策。

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  • This pest is listed in Domestic Forest Plant Quarantine pest list constituted by State Forestry Administration in 2005.

    国家林业局2005年已将列入对内森林植物检疫对象名单

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  • Poplar is the important tree species for shelterbelt and timber forest in our country. However, rapidly and fiercely-spreading by disease and pest has led to tremendous economic losses.

    杨树我国重要防护林用材林树种病虫害迅猛发展造成巨大损失。

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  • The forest area of classic garden and ancient tree population should focus on the rejuvenation and pest control.

    古树名木古典园林中的森林区域重点考虑古树的复壮措施病虫害的防治等。

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  • This information has laid a solid foundation for using transgenic technology to cultivate new varieties of forest trees for high yield, fine quality, high stress tolerance and pest resistance.

    这些重要基因获得利用转基因技术培育高产优质、抗逆、抗病虫害林木新品种奠定了一定的基础

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  • This information has laid a solid foundation for using transgenic technology to cultivate new varieties of forest trees for high yield, fine quality, high stress tolerance and pest resistance.

    这些重要基因获得利用转基因技术培育高产优质、抗逆、抗病虫害林木新品种奠定了一定的基础

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