clear cutting是什么意思

网络释义

用法例句

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。

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。

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

alternate clera-strip system

交互带状皆伐式渐伐作业法

strip-and-group system

带状群状渐伐作业法

coppice of two rotations system

两次轮伐矮林作业法

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

Throughout a celebrated academic and professional career,

李博士在其有口皆碑的学术教育与专业工作中，

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,

Effects of harvesting operations on water quality of brooks in forest sites

森林采伐作业对迹地径流水质的影响

The work or business of felling and trimming trees and transporting the logs to a mill.

采伐将树木伐倒、修整并运到锯木厂的工作或职业

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;

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

A Study on the Ecological Effects and Operation Technology of Slective Cutting of Natural Mixed Stand of Conifer and Broad-leaved Trees;

天然针阔混交林择伐生态影响及作业技术研究

Postures for Chain Saw Logging Operations Based on Ergonomics

基于人机工程学对油锯伐木作业姿势的研究

On the adjustment of the annual logging operations related to the issue of time

对调整年度采伐作业时间有关问题的探讨