Clear-cutting是什么意思

网络释义

用法例句

Potential effect of destructive clear cutting on forest soil composition;

皆伐作业对林地土壤因子的影响

The population structure, growth and reproduction of Potentilla glabra shrubs under primary Picea balfouriana forest and on nearby 7-year-old cutover were investigated to explore how clear cutting affected the understory shrub population developement in the eastern Qinghai-Tibetan Plateau.

调查了青藏高原东部川西云杉原始林下优势灌木银露梅及其在皆伐7a后迹地上的种群结构、生长与繁殖状况,并进行了对比研究。

Effects of Clear-cutting and Slash Burning on Dynamics of Carbon and Nitrogen in Chinese Fir and Castanopsis Fargesii Forests;

皆伐火烧对杉木林和栲树林碳、氮动态的影响

The community structure, tree species composition, biodiversity and diameter structure of Castanopsis carlesii forest (8-year old) by AMPR(artificial measures promoting regeneration) of first generation after clear-cutting are similar to the second generation(6-year old).

皆伐形成的一代(8a生)和二代(6a生)人促米槠林的群落结构、组成树种、物种多样性、直径结构等均相近;但一代人促米槠林以有性(实生)起源为主,二代人促米槠林以无性(萌芽)起源为主,二代林分生产力明显大于一代林分,充分体现萌芽更新的早期速生性。

The re-sult of experments and researchs in Changwu conuty,Shaanxi province showed that clear-cuttingand root-sprout regeneration is an efficient way of reforming lower product locust forest.

经我们在长武王东沟试验区多年试验研究表明：皆伐萌蘖更新是改造低产值刺槐林的有效途径。

Whereas after clearcutting average soil water content and soil water.

林地皆伐后，土壤含水量与贮水能力分别下降６。

clear felling slash, cultivating rubber,slash-and-burn and cultivating sugarcane and sweet potato,etc.

利用海南岛吊罗山林区内的生态定位观测站近３ａ的定位观测数据，和定期采样进行的土壤物理性质测定，分析了不同的次生林砍伐程度和利用方式（包括次生林对照、择伐５０％、择伐７０％、皆伐迹地、垦植橡胶和刀耕火种垦植甘蔗、蕃茨等作方）对土壤温度、土壤含水量、土壤团聚结构、土壤机械组成、土壤容重、孔隙度和土壤持水特性等土壤主要物理性质的影响，结果显示，热带次生林的过度砍伐和不合理的刀耕火种，严重地影响了土壤主要的物理性质，导致土壤表层温度升高、温差加大，土壤含水量和持水性能下降，土壤结构受破坏，土壤粘粒流失和向砂砾化发展等等，造成了土壤生态环境的恶化，直接影响了森林的再生和林地的开发和利用，其中尤以皆伐迹地和刀耕火种的影响最为严重。

alternate clera-strip system

交互带状皆伐式渐伐作业法

To remove all of the trees in(a tract of timber) at one time.

使皆伐（在一个林区内）一次采伐全部树木

To log an area by removing all of the trees at one time.

皆伐一次伐掉所有的树来空出一块地方

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

For mature timber stands, the approaches of selection cutting, clear cutting and shelterwood cutting

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,

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;

Application of Study Plot in Design of Clear Cutting System

标准地法在林分皆伐作业设计中的应用

Effects of Clear-cutting and Slash Burning on Dynamics of Carbon and Nitrogen in Chinese Fir and Castanopsis Fargesii Forests;

皆伐火烧对杉木林和栲树林碳、氮动态的影响

Study on Soil Respiration of Different Regeneration in Chinese Fir Plantation;

杉木林皆伐后不同更新方式土壤呼吸研究

Influence of the Clear-Cutting Pattern on Soil Respiraction in a Low-Quality Forest in Lesser Khingan Range

皆伐方式对小兴安岭低质林土壤呼吸的影响

The Growth, Reproduction and Regeneration of Shrubs after Picea Balfouriana Forest Clear Cutting in the Eastern Margin of Qinghai-Tibetan Plateau;

青藏高原东缘川西云杉林皆伐后灌木生长、繁殖与更新的研究

Soil Respiration, Soil Carbon and Its Response to Simulated Nitrogen Deposition in after Clear-cutting Cryptomeria Fortunei Forest

柳杉人工林皆伐后土壤呼吸和土壤有机碳对模拟氮沉降的响应

EFFECTS OF SLASH BURNING ON SOIL ORGANIC CARBON AND BLACK CARBON IN CHINESE FIR PLANTATION

皆伐火烧对杉木人工林土壤有机碳和黑碳的影响

A tract of land within a wood or other overgrown area from which trees and other obstructions have been removed.

皆伐区，林地开垦在树林或灌木繁生地带内清除了树木和其它障碍的一块地

Her biggest wish:" that everyone would love God and one another".

最大愿望：众生皆爱上帝，众生皆能友爱。

How to Teach the Text of Lotus;

淡语皆有味 浅语皆有致──《芙蕖》教学浅谈

"Six Exogenous Pathogenic Factors Transfer from Fire" is Not "Six Exogenous Pathogenic Factors will Turn into Fire"

“六气皆从火化”非“六气皆能化火”

Clang, clang goes the woodman's axe.

伐木工人的伐木声丁