采伐

We investigate and expose the trade in illegal and destructively logged timber.

我们调查和揭露非法采伐和破坏性采伐木材的贸易。

In this report, based on initial data array of annual increase of growing stock, GM(1, 1) enveloping grey surface is set up, and predictive curve is obtained by fitting initial data with differential equation according to mecha- nism of GM model. Scientific basis has been provided for determining the optimum annual cutting norm.

为合理采伐利用林木资源，本文根据全区林木年蓄积增长量原始数据列，建立GM（1，1）包络灰平面，并按GM模型建模机理，用微分程拟合原始数据，求得预测曲线，使预测值落在栽一范围内，为确定最佳年采伐限额提供了科学依据。

However, because of the low value of pulpwood, it is normally harvested only if the logging operation is fairly close to a paper plant.

然而，由于纸浆的低价格，通常只有采伐作业临近纸浆用材时才会顺便一起采伐。

The goals for the project are by the year 2000, lumbering in all exclusively protected zones will be stopped, the timber output will be reduced to 15 million cubic meters, and overcutting will be stopped.

工程实施目标是，到2000年，完全停止禁伐区内的森林采伐，调减木材产量1500万立方米左右，同时，杜绝超限额采伐。

These changes include both positive changes from nonforest to forest and negative changes from forest to nonforest. The top ten changes by area were as follows: plantation to cut area, forest toopen forest, forestto cut area,non forest to forest, barren land to forest,plantation to plowland,forest tobarren land,plantation to barren land,nonforest landto forest and open forest to forest.

森林资源变化依次是经济林变成采伐迹地、林分转变为疏林地、林分转变为采伐迹地、非林地向林地转变、宜林地转变为林分、经济林转变为耕地、林分转变为宜林地、经济林转变为宜林地、未成林地转变为林分、疏林地转变为林分。

Matrix ; uneven-aged ; policy ; diameter limit ; cutting cycle.

矩阵模型；异龄林；采伐周期；最小采伐直径

After the cutting license has been obtained according to the law, the competent forestry authorities shall issue transport documentation to the timber cut in line with the provisions of the license when it is transported out of the forest districts.

依法取得采伐许可证后，按照许可证的规定采伐的木材，从林区运出时，林业主管部门应当发给运输证件。进口许可证获准后，请立即电告证号，及何日开立信用证，以便我方做好运输安排。

We summarized the reason and the root on the issue of illegal logging ,with the development of economic globalization, the developed and developing countries in the utilization of forest resources is bound to have a contradiction. The issue of illegal logging of timber is a forest resource in allocation process again.

通过以上的论述总结了非法采伐问题产生的原因与根源，经济全球化的日益发展，有关气缸管的样例，发达国家与发展中国家在森林资源利用问题上的矛盾必然产生，非法采伐问题是一次森林资源利用的再分配过程。

We summarized the reason and the root on the issue of illegal logging ,with the development of economic globalization, the developed and developing countries in the utilization of forest resources is bound to have a contradiction. The issue of illegal logging of timber is a forest resource in allocation process again.

通过以上的论述总结了非法采伐问题产生的原因与根源，经济全球化的日益发展，发达国家与发展中国家在森林资源利用问题上的矛盾必然产生，非法采伐问题是一次森林资源利用的再分配过程。

We summarized the reason and the root on the issue of illegal logging ,with the development of economic globalization, the developed and developing countries in the utilization of forest resources is bound to have a contradiction. The issue of illegal logging of timber is a forest resource in allocation process again.

通过以上的论述总结了非法采伐问题产生的原因与根源，经济全球化的日益发铺，发达国家与发铺中国家在森林资源利用问题上的矛盾必然产生，非法采伐问题是一次森林资源利用的再分配过程。

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。