closing hillsides to facilitate afforestation是什么意思

用法例句

Luliangshan Forests Area in Houma prefecture, located in Shanxi, based on close to nature forestry, restoration ecology theory, the closing hillsides to facilitate afforestation projects have changed the past unreasonable fencing target, unscientific design, etc.

山西吕梁林区,以近自然林业、恢复生态学理论为支撑,开展封山育林工程,改变了以往封育对象不合理、设计不科学、目标不明确、措施不到位等弊病。

The life form spectrum,leaf size spectrum,light and water ecology spectrum,predominance plant of before and after closing hillsides to facilitate afforestation community in rock desertification area of southeast Yunnan were studied by using plot method(quadrat investigation method).

通过样地法比较了滇东南石漠化地区封山育林前后植被的群落学特征,从生活型谱、叶型谱、光照生态类型谱、水分生态类型谱和优势植物等群落特征看,封山育林后群落的水湿条件有所改善,群落正向地带性植被—半湿性亚热带常绿阔叶林演替;从物种多样性来看,封山育林后群落的物种丰富度、物种多样性指数、生态优势度和群落均匀度均有很大的提高,物种多样性增加,群落稳定性增强,且破坏后修复能力增强。

This paper studies the control effects of Dendrolimus punctatus by closing hillsides to facilitate afforestation in Chongren and Yugan Counties in Jiangxi based on the principals of the sustainable pest management in forestry and ecology.

根据林业有害生物可持续控制理论及生态学观点,对祟仁、余干两地封山育林控制马尾松毛虫作用效果进行了研究。

Studies on the Control Effect of Closed Forest on Dendrolimus punctatus Walker;

祟仁余干两地封山育林控制松毛虫效果初探

Connecting with the real situation of Taiyuan City,this paper introduces the functions,conditions and basic principles of the closed forest,and puts forward the main measures for carrying out the closed forest,and expounds the types and modes of the closed forest.

结合太原市的实际情况,介绍了封山育林的作用、条件和基本原则,提出了实施封山育林的主要措施以及封山育林的类型和方式。

This paper introduces the concept and the superiorities of the forest conservation, expounds the objects, conditions, types, modes and age limits of the forest conservation, and puts forward some countermeasures for speeding up the forest conservation of the Taihang Mountain.

介绍了封山育林的概念和封山育林的优势,阐述了封山育林的对象、条件、类型、方式和封山育林的年限,提出了加快太行山封山育林的对策。

On the basis of analysis and study of years monitoring data , some idea of my own on the feasibility ,urgency as well as protection measures of forest conservation in Helanshan mountain was put forward.

通过对多年监测资料的分析和研究 ,对贺兰山实施封山育林的可行性、迫切性及保护措施提出了自己的看

The concept of enclosure of the hillside for regeneration is elaborated to know the concept better.

从重新认识封山育林的理念出发,阐述了封山育林的概念。

To improve the level of integrated national afforestation inspection technology,the authors of this paper chose Hangjinqi as a study area and analyzed the effect of using remote sensing technology for checking the achievement and results of artificial afforestation,enclosure of the hillside for regeneration and aerial seeding.

为提高当前全国营造林综合核查技术和水平,以杭锦旗为研究范围,探索了遥感技术在人工造林更新实绩、人工造林更新保存状况、封山育林实绩和成效以及飞播造林实绩和成效检查中的应用效果,总结了在营造林综合核查中应用遥感技术的可行性,为今后遥感技术在全国营造林综合核查中的推广应用打下了基础。

As a traditional forestation method, closing the land for reforestation has experienced four phases of establishment, shrinkage, restoration and stabilization.

封山育林这一传统的造林方法在建国后经历了确立、倒退、恢复和稳定发展四个阶段。

In order to protect ecology in this area, some measures, such as closing the land for reforestation, returning the grain plots to forestry and enclosing sheep etc.

秦皇岛北部山区水土流失较严重 ,且滑坡、泥石流较多 ,多发生在洪水期 ,主要分布在阳坡 ,其形成原因有地形、岩性、气候和人为因素等 ;为保持水土应划定重要生态功能区进行抢救性保护 ,采取封山育林、退耕还林、圈养山羊等对策措

The newly increased area fenced off for afforestation is 6.059 million hectares.

新增封山育林面积605.9万公顷。

On the upper reaches of the Yangtze River, efforts will be made to prohibit hunting and grazing and plant trees on mountains, return the grain plots to forestry, and carry out water and soil conservation.

在上游地区封山育林，退耕还林，保持水土；

Status and Effect of Closing the Land for Reforestation upon Expanding Forest Resources in China;

封山育林在我国扩大森林资源中的地位和作用

1) To impose a quota on forest cutting and encourage forest planting in order to expand the area of forest coverage;

（一）对森林实行限额采伐，鼓励植树造林、封山育林，扩大森林覆盖面积；

To impose a quota on forest cutting and encourage forest planting in order to expand the area of forest coverage;

对森林实行限额采伐,鼓励植树造林、封山育林,扩大森林覆盖面积;

With regard to of newly planted seedling forests and other places that need to be sealed off for cultivation purposes, the local people's government shall organize the effort to seal off the mountain for forest cultivation.

新造幼林地和其他必须封山育林的地方,由当地人民政府组织封山育林

Work has simultaneously proceeded on tree planting, the safeguarding of forests and the prevention of forest fires. Hillsides have been closed off for forest conservation and the destructive lumbering of forests banned.

与此同时，全区坚持开展植树造林，护林防火，封山育林，制止乱砍滥伐。

Preliminary Investigation of Natural Regeneration of Masson Pine Population in Closing the Land for Reforestation Area;

封山育林区马尾松种群天然更新初步调查

The20 th century70' s, the city botanical garden department implemented the Burns down the islet to close off hillsides to facilitate afforestation and tree-planting afforestation.

二十世纪七十年代，市园林部门对火烧屿实行封山育林，植树绿化。

Effects of Forest Protection on the Distribution Patterns and Diameter Grades Structure of Main Arbor Populations in Quercus mongolica Forest

封山育林对蒙古栎林主要乔木种群的分布格局与径级结构的影响

Closing Hillsides to Facilitate Afforestation: An Effective Means to Realize Good and Fast Forest Vegetation Restoration--Practice and Exploration in Luliangshan Forests Area of Shanxi;

封山育林:又好又快恢复森林植被的有效途径——山西吕梁林区的实践与探索

From the early 1960s to the present, the region has planted 70 million trees and hillsides closed off for forest conservation reached 140,000 hectares a year.

六十年代初至今，全区植树7000多万株，每年封山育林约14万公顷。

During these five years, an additional 27.87 million hectares of land was covered with trees; 31.53 million hectares of hills were cordoned off for afforestation, and 3.82 million hectares of formerly cultivated land were returned to forests.

五年内，全国造林面积２７８７万公顷，封山育林３１５３万公顷，退耕还林３８２万公顷；

Successively the eastern government in 1949 and the western one in 1950 began to plant tree and close hillside to facilitate afforestation.

东部内蒙古自治区政府从1949年、西部绥远省政府从1950年,开始封山育林,植树造林。

Study on Construction Dynamic Traits of Hill-closed and Afforested Pinus Tabulaeformis Community in Huanglong Moutains;

黄龙山林区封育油松群落结构特征动态研究

Analysis on Communities' Composition Structure and Dynamic of Afforestation in Lvliang Mountain

吕梁山封育林区群落结构及其动态分析

The Influences of Closing Hillsides on Restoration under Artificial Coniferous Forests in North Hebei

封育对冀北山地人工针叶林林下植被恢复的影响

The Effects of Different Cultural Practice on Species Diversity of Low-beneficial Cypress Forests in Low Hills of Mianyang City

不同封育措施对绵阳市低山丘陵区柏木低效林物种多样性的影响