采伐

Management unit of the berm on the river bank protection for forests upbringing and updating of the nature of the logging and logging for flood prevention and rescue, according to the relevant provisions of the national afforestation exempt from the Fund.

河道管理单位对护堤护岸林木进行抚育和更新性质的采伐及用于防汛抢险的采伐，根据国家有关规定免交育林基金。

The contents of organic matter, N, P and K in 0-15 cm soil layer increased markedly, in comparing with those prior to clear-cutting.

hm^(-2)。与采伐前相比，撂荒使采伐迹地土壤表层(0~15cm)有机质含量和土壤各层的养分含量明显增加。

The mechanism of soil erosion at different degrees was expounded,which was caused by different cutting methods, skidding method s,and cutover land cleaning methods in forest operation techniques.

本文分析森林作业技术中不同采伐方式、集材方式和迹地清理方式造成的不同程度水土流失的机制，提出防止因森林作业而导致水土流失措施：合理选择采伐方式，避免大强度采伐，选择对土壤破坏小的集材方式，使剩余物对雨水保持截持作用的迹地清理方式。

Brazil is the world's biggest deforester, albeit one committed to slowing the pace; China is the world's biggest afforester (now planting 4m hectares of forest a year)—though some complain that its trading partners' trees are being felled to stoke its economic growth.

巴西是世界上最大的森林采伐国，虽然它承诺会减慢采伐速度；而中国却是世界上最大的造林国，每年种植四百万公顷森林——虽然不少人抱怨中国的贸易伙伴国为中国的经济增长付出了砍伐树木的代价。

Forest felling right is the right that the main body of right enjoys and fells the forest in a legal manner to make profits according to the legally obtained forest felling license,excluding the interference of others,and it is also a manifestation of the disposure functions of forest property.

林木采伐权是权利主体根据依法取得的采伐许可的规定而享有的按照法定方式对林木进行采伐获得收益并排除他人干涉的权利，是林权处分权能的一个表现。

In a long term, all kinds of illicitness occurred frequently, which include cutting outdone the quota, cutting without licenses, cutting outdone the permissible quantity, transportation without certificates, faking transportation certificates and illegal exchange on forestry bills.

长期以来，超限额采伐、无证采伐、超证采伐、无证运输、伪造运输证、买卖码单等违法现象屡禁不止。

Its strength is far greater than any other sudden natural disaster of the world to the foresty . so it is very necessary to found a reasonable legal system to restrain forest harvesting.with the development of our country' economy from planned economy to the market, the forestry management is also gradually changing from traditional to modern.

森林采伐是林业生产和森林经营活动的重要组成部分和基础性工作，人类通过采伐活动对森林的作用是长期的、大规模和渐进的，其作用强度远远大于任何一种突发性自然灾害对森林的影响，因而有必要通过法律制度对森林采伐行为加以限制。

Its impaction is gradual, long-term and large-scale. Its strength is far greater than any other sudden natural disaster of the world to the foresty . So it is very necessary to found a reasonable legal system to restrain forest harvesting.With the development of our country' economy from planned economy to the market, the forestry management is also gradually changing from traditional to modern.

森林采伐是林业生产和森林经营活动的重要组成部分和基础性工作，人类通过采伐活动对森林的作用是长期的、大规模和渐进的，其作用强度远远大于任何一种突发性自然灾害对森林的影响，因而有必要通过法律制度对森林采伐行为加以限制。

But the timber price is higher, farmers\' harvest willingness is higher as famers hold the waiting attitude. Farmers want to harvest in the large forest plot and bad quality forestland. Other varibles results are sames as the above.In the end, the article puts forward some policy suggestions from three aspects to promote farmers to promote household to engage in forest management on the basis of above analysis.

之后，利用Probit模型估计了农户木材采伐意愿的影响因素，发现影响因素与木材决策的相似，但是木材价格与农户木材采伐意愿负相关，在木材价格持续走高的形势下，农户持观望态度；林地地块面积越大，农户采伐意愿越高；林地立地质量越差，农户越想采伐，可能是想进行低产林改造；其他变量结论与木材采伐决策结论相同。

Illegal logging costs timber-producing countries 7 billion euros ($10 billion) a year in stolen wood, lost taxes and lower prices for legally-sourced products, the World Bank estimates.

世界银行估计非法采伐木材致使那些木材生产国每年的损失都高达70亿欧元（折合100亿美元），这些损失主要包括非法采伐木材的价值、流失的税收、以及非法采伐木材冲击合法木材的价格体系等方面。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。