clear cutting

Soil alkalized N and available K in clear cutting stand increased by 24% and 31%, respectively, but soil available P decreased by 15%.

采伐迹地碱解N和有效K含量分别比杉木林地增加24%和31%，有效P含量比杉木林地下降15%；

His paper studies the migration of nutrient element resources of the forest land after clear cutting and prescribed burning.

本文研究了林地皆伐火烧后生物量和养分元素资源迁移状况。

The influence of clear cutting Chinese fir plantation on the characteristics of runoff water chemistry are studied to explore the capability of Chinese fir plantation of regulating, accumulating and conserving soil nutrients.

杉木人工林皆伐前后径流水化学特征研究结果表明，杉木人工林皆伐后引起林地土壤养分大量流失。

Mass fraction of the quick potassium of clear cutting area are higher than that of selected cutting areas and the reserved zone;

速效钾质量分数：皆伐林地高于择伐林地及保留带；

Some of the most clearly noticeable effects of large-scale clear-cutting, including effects on stream corridors.

一些大规模全面砍伐的最明显也是最值得关注的影响包括对河流通道的影响.

Change of Vegetation Species of Artificial Mixed Forests of Chinese fir and Broad-leaf Trees Before and After Clear Cutting

杉阔混交人工林皆伐前后植物种类组成变化

PH of mixed coniferous and broadleaf stand, the artifical dahurian larch forest and clear cutting forest land are higher than that the select cutting forest land and the reserved zone;

pH：针阔混交林、落叶松人工林皆伐林地比择伐林地及保留带高，水解酸低，阔叶混交林则相反；

And the effect of mixed mode was the most significant, followed by clear cutting sprouting and reforestation.

其中以混交方式的作用最为明显，其次为皆伐萌生，重新造林效果最差。

If ground method is used, it makes a large-scale clear-cutting on the transportation path.

如果使用陆运的方法, 就会造成运输路径的大规模全面砍伐.

In clear cutting forest, the dominant species was Gansu zokor.

次生林全面清坡造林幼林地，其群落优势种为甘肃鼢鼠。

Results showed that for both clear cutting and selective cutting, the skidding efficiencies reduced with increasing skidding time and skidding distance.

结果表明：无论采用皆伐还是采用择伐生产方式，随着集材时间和集材距离的增加，集材效率均降低。

The result of establishing a semi-artificial grassland after shrubs were clear cutting is researched in this paper.

本文研究了乌鲁木齐南山种羊场春秋放牧场灌木砍伐后，建立半人工草地的效果。

Owing to people's rampant clear-cutting, the desert is rapidly occupying our living space.

由于人类肆无忌惮的森林砍伐, 沙漠正在快速侵占我们的生存空间.

Change of Vegetation Species of Forest Land of Eucalyptus Citriodora Plantation Forests Before and After Clear Cutting

皆伐前后尾叶桉人工林林地植被组成的变化

The road net exists clear cutting and breaking for environment and as for different grade of road and the influence factor are quite different.

道路网对环境存在明显的切割破碎作用，并且道路等级不同，其影响因数也不一样。

For mature timber stands, the approaches of selection cutting, clear cutting and shelterwood cutting Global Workshop on Addressing the Underlying Causes of Deforestation and forest Degradation

成熟的用材林应当根据不同情况，分别采取择伐、皆伐和渐伐方式，森林砍伐和退化的根本原因全球讲习班

While the soil water retaining capacity cuts down respectively about 15. 6% and 29.5%. but clear cutting greatly increases soil permeability.

林地土壤贮水能力.间伐和皆伐后分别降低了15.6%和29.5%，但皆伐区土壤渗透性有较大程度增加。

Some of them show clear cutting relationship and genetic linkage. The Dongshan Complex, with a long history of geological evolution, provides a typical example for the study of the Anshan early Archaean crustal evolution.

部分类型岩石之间存在清楚的切割关系，在组成上具有成因联系，表明了该杂岩长期的地质演化历史，为鞍山地区太古宙早期地壳演化提供了一个典型实例。

Average Joe's does some clear-cutting of their own and moves onto the quarterfinal.

大众健身队再次获胜从而进入了四分之一决赛.

SKIDDING EXPERIMENT EXCEPT CLEAR CUTTING JOBS Equidistant Setting Out of Easement Curve in Railway Construction

非皆伐作业集材试验铁路缓和曲线的等间隔放样方法

When clear-cutting was initially proposed, some thought it would be ologically superior.

当皆伐最初被提出时, 一些人认为从节约的角度讲它是优越的.

Study was made on the content of Sulphur in permafrost and the influencing factors of the Sulphur contents in three ecosystems which were virgin forest, clear cutting forest, original wetland in typical temperate Larix gmelinii forest region in China.

通过对我国典型寒温带兴安落叶松林区的原始林、间伐林、原始湿地3种生态系统冻土中硫含量以及影响硫含量因素的研究。

If the utilization of trees in forested swamps were necessary, we should choose selective cutting rather than clear cutting to reduce methane emission.

在有必要对森林沼泽的树木资源进行利用时，为减少甲烷气体的排放，应该尽量避免进行皆伐，只能进行适当的择伐。

Field test of bulldozer operating process SKIDDING EXPERIMENT EXCEPT CLEAR CUTTING JOBS

推土机作业过程的现场试验

Today, an estimated two-thirds of the annual timber harvest is done by clear-cutting.

今天据估计每年 三分之二 的木材通过皆伐取得.

The choice of technological types of aerial cableway skidding for the small area clear cutting

小面积皆伐集材索道工艺类型的选择小小面包圈：连战皆捷

The litter thickness of select cutting areas and reserved zone are higher than that of clear cutting areas.

枯落层厚度：保留带、择伐林地高于皆伐林地。

Clear cutting shall be put under strict controls and the reforestation shall be completed in the same or next year of the cutting;

皆伐应当严格控制，并在采伐的当年或者次年内完成更新造林；

In the new normal, one clear: cutting costs is extremely important.

面对新标准, 我们必须明确 一点: 节约成本极其重要.

The experience and lesson of forest management in Heilongjiang province since 1949 were summarized, and the main lessons are as follows: ( 1) over cutting and regeneration lag cutting, big area clear cutting and high strength selective logging;

系统总结了建国以来黑龙江森林经营管理的经验和教训。指出应该吸取的主要教训是：①大砍大造，更新跟不上采伐，大面积的皆伐和大强度的择伐；