The forest disaster mentioned here refers to the hazardous effect on biosphere and human society caused by nature and humans destroy.
森林灾害是指在自然变异和人为影响对生物圈及人类社会产生危害性后果的事件。
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、病虫鼠害的灾害、缺乏水资源的灾害等等。本文主要阐述了林业“三害”及其防治。
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.
在人工林构建中,只有模拟天然林结构,从害虫原栖息地抗虫林分结构出发,才能从根本上解决猖獗成灾问题。
The way of land's use of the Shed people had negative influences on ecological environment: the destruction of forest, soil erosion, river's silting up, and flood disaster, etc.
棚民的土地利用方式对生态环境造成了很大的影响,表现在:森林的破坏、水土流失、江河淤塞、洪涝灾害等方面。
Thus, it has a unique advantage in the field of disaster monitoring, environmental monitoring, resource exploration, forest survey, topographic mapping and so on.
因此,其在灾害监测、环境监测、资源勘查、森林调查、地形测绘等方面的应用具有独特的优势。
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的功能与效益的基础上,提出了森林病虫害灾害经济损失评估的指标体系。
Salvage logging, however, removes the remains of dead trees and makes room for fresh growth immediately, which is likely to help forest areas recover from the disaster.
然而,回收性砍伐则可以把这些死树移走,迅速地位新生的树木提供生长的空间。这样做,有助于帮助森林从火灾中恢复。
The risk of forest fire is a mixed disaster of nature fire elements and human activities.
森林火灾是一种与自然性火险条件、人为活动有着十分密切关系的灾害。
It also shows low unit stock volume, unreasonable forest age structure, low forestland use ratio and severe pest, disease and rat disaster.
该流域森林资源有限且分布不均;单位蓄积量低,林龄结构不合理;林地利用率不高,病虫鼠害严重。
The paper expounds the erosion reduction principle and the technical characteristics of protective forest belt, plans the protective forest belt according to the local wind disaster.
本文通过对防护林带的减蚀原理及技术特点的具体阐述,并依据当地风害情况规划防护林带。
This year since this summer, a continuous high temperature, not under heavy rain, severe forest fires and drought resistance and disaster relief work.
今年入夏以来,连续高温,没有下过大雨,森林防火和抗旱救灾工作十分严峻。
In recent years the weather disaster increases to have something to do with tropical rain forest large-scalely drive break.
近年来气候灾害增多与热带雨林大规模被破坏有关。
The occurrence trend of forest bio-disaster in the next 10 years is predicted; (1) The total occurrence trend will be steady;
预测未来10年森林生物灾害的发展趋势为:(1)总体发生趋势平稳;
The occurrence trend of forest bio-disaster in the next 10 years is predicted; (1) The total occurrence trend will be steady;
预测未来10年森林生物灾害的发展趋势为:(1)总体发生趋势平稳;
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