In contrast, a complex climax community, such as a temperate forest, will tolerate considerable damage from weather to pests.
相反,一个复杂的顶极群落,如温带森林,将承受天气和害虫所带来的大规模破坏。
Hence, there is a real concern throughout Europe about the damage to the forest environment which threatens these three basic roles.
因此,整个欧洲都十分关注威胁到这三个基本作用的森林环境的破坏情况。
Insects and pathogens are integral components of forest ecosystems and normally are present at a relatively low density, causing little damage, and having negligible impact on tree growth and vigour.
昆虫和病原体是森林生态系统的固有成分,通常其密度相对较低,所造成的损害较小,对树木生长及其活力的影响微乎其微。
Extra-soft, quilted and multi-ply toilet roll made from virgin forest causes more damage than gas-guzzlers, fast food or McMansions, say campaigners.
用原木加工的超软,带软垫的,且多层的卫生纸比那些油高耗油汽车,快餐或者美式大房子造成的破坏还要大。
That the snow and ice storms of early 2008 were able to damage 18.6m hectares of forest may speak to the poor resilience of these woods.
2008年年初的雪灾摧毁了1860万公顷的树林,足以说明问题。
These comprised damage to the supply of foods and medicines that people had taken from the forest, the loss of habitats for fish, and less buffering against storms.
这些损失是由于人类从森林那里获取食物和药物,导致了鱼类失去了栖息地,森林对暴风雪的缓冲也越来越弱。
They also select and mark trees for thinning or logging, manage forest protection activities and patrol park areas to prevent damage.
他们还要选择树木做上标记以进行疏伐、砍伐,负责森林保护活动,巡逻公园地区防止破坏。
The "let it burn" policy assumed that forest fires would burn themselves out quickly, without causing much damage.
这种“随它燃烧”的策略认为森林大火可以在不造成太多损失的情况下迅速燃烧完。
Because of the large scale of the damage, many people called for replacing the "let it burn" policy with a policy of extinguishing forest fires as soon as they appeared.
鉴于这次造成的巨大损失,很多人主张取消“随它燃烧”的策略,转而开始全力扑灭森林大火的策略。
No person that enters into the forest and its adjacent area shall, without authorization, remove or damage marks that serve the forestry sector.
进入森林和森林边缘地区的人员,不得擅自移动或者损坏为林业服务的标志。
People entering a forest or its fringe areas are forbidden to move, without authorization, or damage any markers set up for the benefit of forestry.
进入森林和森林边缘地区的人员,不得擅自移动或者损坏为林业服务的标志。
There is great task for reforestation, severe damage to the forest infrastructure, which brought great difficulty to the reforestation and rehabilitation.
这次受损森林补植补造的任务艰巨,加之林业基础设施遭到了严重损坏,全面恢复林业生产的难度很大。
The damage of Chinese forest fire, the characteristics due to the restricts of natural environment and the influence from the social condition on forest fire are emphatically discussed.
着重说明了中国森林火灾带来的危害和损失,受自然条件的制约和社会环境影响所产生的特点。
Recent hurricanes along the Gulf Coast, earthquake damage along the west Coast, and devastating forest fires in the Southwest highlight the need for more effective community planning.
最近,墨西哥海岸的飓风、西部海岸的地震灾害和西南部的特大森林火灾使更多的有效社区计划凸显了其重要性和迫切性。
Using TM images can monitor the damage caused by forest insects and diseases, but its operation is too complex to generalize this technique in production organization.
利用TM影像可以进行森林病虫灾害的监测,但是操作过于复杂,无法在生产单位进行推广应用。
Forest fire is one of the most major disasters in the world. There have taken place thousands of forest fires every year in China, which have destroyed enormous forest resources and economy damage.
森林火灾是一种世界性的林业重大灾害,我国每年都有上千次的森林火灾发生,造成严重的森林资源破坏、经济和财产损失。
In fact, spruce bark beetles have lived in Alaskan forest for nearly hundred years without causing major damage.
事实上,杉皮甲虫已经在阿拉斯加森林里生活了近百年,但是从来没有造成严重的灾害。
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.
根据子午岭林区林虫区系组成和区划特征,结合主要树种害虫危害特点,提出了预防和除治子午岭林区森林害虫的3项措施。
This paper discussed the damage and cause of forest road frothing in Fujian and the prevention measures to this issue were put forward then.
论述了福建林区公路翻浆现象的危害性和形成原因,提出防治林区公路翻浆问题的主要措施。
They can cause damage to forest vegetation, and this in turn can lead to environment desertification .
鼠可破坏森林植被,植被、草原的破坏可使环境沙化。
So you saw forest fires that are undetectable from space that do tremendous damage and dry up the forest for subsequent fires.
所以,森林的火灾是无法预见的。它给森林带来巨大的灾害。
Since 1990, Nematus sp. has been found to damage the larch forest in the way that the larva fed on the annual leaves in Taihang Mt. Shanxi province.
1990年以来,落叶松丝角叶蜂在山西省太行山林局为害落叶松林,以幼虫取食当年嫩叶。
Fire Authorities in California found a corpse in a burnt out section of forest while assessing the damage done by a forest fire.
加州消防局在燃尽的森林一角发现一具死体,并且估计此后果是由森林火灾造成的。
Besides, some villagers said leasing the mountain forest did not bring them any benefits, but rather damage and harm.
除此之外,还有村民提出,出租山林村民并非最大受益者,而是沦为受损者。
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的种类、分布及危害的研究进展,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和研究热点。
The alluring effect of PA trap tree attractant is inverse proposition to morbidity of PWND in the forest, and it is better in the light damage forest.
PA型诱木引诱剂引诱效果与林间松材线虫病发病率呈负相关,在轻微发病林分引诱效果更佳。
Wood packaging fumigation is to prevent harmful insect and damage taken by importing countries forest resources of a kind of compulsory measures.
木质包装熏蒸就是为了防止有害病虫危害进口国森林资源所采取的一种强制措施。
You are to kill the famous unicorn that is running wild in the forest and doing so much damage.
树林里有一只闻名的独角兽,四处横行,危害极大,你得杀死它。
You are to kill the famous unicorn that is running wild in the forest and doing so much damage.
树林里有一只闻名的独角兽,四处横行,危害极大,你得杀死它。
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