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   植被生态 在 自然地理学和测绘学 分类中 的翻译结果: 查询用时:0.031秒
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植被生态
相关语句
  vegetation ecology
    Analysis to the Gradients of Vegetation Ecology in Loess Plateau with the Aid of Gis
    GIS支持下的黄土高原地区植被生态梯度分析
短句来源
    Application of GIS to Development of Information System for Vegetation Ecology in Loess Plateau
    基于GIS的黄土高原植被生态信息系统研究
短句来源
    GIS technology is used to develop an information system for the research of relationships between vegetation and environmental variables in Loess Plateau. Technical problems related to the development of information system of vegetation ecology are discussed.
    利用地理信息系统(GIS)技术在黄土高原地区植被与环境关系研究中开展了植被生态信息系统方面的应用研究,分析了植被生态信息系统的技术特征,并对建立黄土高原地区植被生态信息系统的一些问题进行了探讨,为西部大开发提供科学依据。
短句来源
  “植被生态”译为未确定词的双语例句
    The potential grass and shrub region lies in the down of the watershed, which accounts for 39.94% of total area, among these there are 150 250 hm 2 degraded grass land. 79 500 hm 2 natural shrub and grass changed to farm land.
    占流域面积39. 94%的中下游宜灌草地区有150 250hm2退化为植被覆盖稀疏的荒草地,此外还有79 500hm2的各种植被覆盖类型被开垦为各种类型的农业用地,植被生态恢复任务艰巨.
短句来源
    FLOOD DISASTERS, SOIL EROSION, AND ECO-RESTORATION OF VEGETATION IN THE YANGTZE AND THE PEARL RIVER VALLEYS
    论长江与珠江流域的水灾、水土流失及植被生态恢复工程
短句来源
    The Research of Vegetation Programme in Qira Oasis
    策勒绿洲植被生态规划问题的研究
短句来源
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  vegetation ecology
Restoration of living environment based on vegetation ecology: Theory and practice
      
The Equilibrium Vegetation Ecology model (EVE)simulates global terrestrial vegetation and is designed for interactive coupling with climate models.
      
Questions of successional pattern and causality have been central concerns in vegetation ecology.
      
The highest records of flowering plants (6 100/6 200 m) and lichens (7 400 m) are discussed in light of the present knowledge on high-altitude vegetation ecology.
      
Wetland vegetation ecology on a reclaimed coal surface mine in southern Illinois, USA
      
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plant communities at different habitats(desert area,peripheral area of the artificial oasis and the interior of artificialoasis) in the northeastern Ulan Buh Desert were studied by means of Shannon wiener diversity index(D),community evenness formula(J)and Simpson ecological dominance(C).The results show that three indexes have an efficient effect on indicating community structure and succession and their habitat conditions.The species diversity (D is from 0 603 to 2.984)of the desert is rather low,and the...

plant communities at different habitats(desert area,peripheral area of the artificial oasis and the interior of artificialoasis) in the northeastern Ulan Buh Desert were studied by means of Shannon wiener diversity index(D),community evenness formula(J)and Simpson ecological dominance(C).The results show that three indexes have an efficient effect on indicating community structure and succession and their habitat conditions.The species diversity (D is from 0 603 to 2.984)of the desert is rather low,and the ecological dominance(C is from 0 724 to 0 195)is rather high,which show s the ecotope vulnerability of the desert.The species diversity and the community evenness increase and the ecological dominance decreases with the more complicated structrue,higher succession process and favourable ecological habitat condition.There is close correlation among three indexes and the ecological factors of desert comunnities,of which the soilmoisture has a significant effect.Also the succession of plant communities of the abandoned arable lands in the artificial oasis was analysed with three indexes.

应用群落多样性指数(D)、均匀度(J)、生态优势度(C)等指标,对乌兰布和沙漠东北边缘不同生境(荒漠区、绿洲外围、绿洲内)的天然植物群落进行了研究,结果表明这三种指标值能有效地表征群落的组成结构特征及生境的优劣;荒漠植物群落多样性指数(D=0.603~2.984)和均匀度(J=0.337~0.691)都较低,而生态优势度(C=0.724~0.195)较高,说明荒漠植被生态环境的脆弱性,群落结构越复杂,多样性指数越高;多样性与生态环境关系密切,D和J随生境渐好而递增,C随生境渐好而递减,可作为环境评价指标;多样性在一定程度上体现了群落的发展阶段和稳定程度,越接近顶级阶段,多样性越高,且环境的改善有助于群落演替进程的加速;干旱区弃耕撩荒地次生演替植被,在弃耕初期多样性随弃耕年限增大而减小,后期处于一个较稳定的水平,且各演替阶段植物组成变化较大。

Flood disasters in the Yangtze and the Pearl River Valleys have become increasingly frequent and severe since the 20th century. due to the serious damage of vegetation that results in severe soil erosion and siltation of rivers and lakes. However, for controllting soil erosion and improving the degraded eco-environment of the two valleys,only planting trees is not enough. The most effective approach is to conduct, on a large scale,a comprehensive vegetation restoration eco-engineering, which includes planting...

Flood disasters in the Yangtze and the Pearl River Valleys have become increasingly frequent and severe since the 20th century. due to the serious damage of vegetation that results in severe soil erosion and siltation of rivers and lakes. However, for controllting soil erosion and improving the degraded eco-environment of the two valleys,only planting trees is not enough. The most effective approach is to conduct, on a large scale,a comprehensive vegetation restoration eco-engineering, which includes planting trees, shrubs, grasses and vines simultaneously and making them form a multi-layered vegetation system, combined with physical measures when necessary. Grasses should be taken as the core component in the vegetation system, and the prataculture be acted as the pivot in the great agriculture system. So the soil erosion in the two valleys can be effectively controlled, and the sustainable development of agriculture in the areas be realized.

系统总结了长江和珠江流域近百年来的洪涝灾害和水土流失的危害程度和发生规律,深刻分析了洪灾和水土流失日趋严重的根源,提出了治理“两江”流域水土流失的根本性措施———植被生态工程,并呼吁将传统的植树造林改为植树种草,将乔、灌、草、藤有机搭配,形成多层配置,并大力发展草业,最终在“两江”流域实现以草业为枢纽的可持续发展生态大农业。

The eastern part of zhongtiao Mountain,s situated in the southern of shanxi.The floristic composition of vegetation contains 108 families,355 genera and 612 species(including vareties) According to professor Wu zangyi′s areal paterns of chinese spermatophyte genera,there aer 15 areal patterns in this mountainous region,Among the paterns temperate Zone ones own the largest percentage (49.68% in total genera),the tropic element is secontary(28.53% in total genera). This paper chiefly describes 7 vegetation types...

The eastern part of zhongtiao Mountain,s situated in the southern of shanxi.The floristic composition of vegetation contains 108 families,355 genera and 612 species(including vareties) According to professor Wu zangyi′s areal paterns of chinese spermatophyte genera,there aer 15 areal patterns in this mountainous region,Among the paterns temperate Zone ones own the largest percentage (49.68% in total genera),the tropic element is secontary(28.53% in total genera). This paper chiefly describes 7 vegetation types and 26 natural formations.According to the altitudinal distribution of the plant communities,5 vertical zones of vegetation in the southern part of zhongtiao Mountain may be divided: 1.platycladus orienlalis forest zone(500--1000m). 2.pinus--Quercus forest zone(800--1500m). 3.Quercus variabilis forest zone(1400--2000m). 4.populus--Betula forest zone(1900--2200m). 5.mountain meadow zone(2100--2358m).

文章对中条山东段植被的生态环境、植被类型组成和分布作了初步探讨 ,概要介绍了 7个植被类型 ,2 6个群系 ,并将现存的植被的垂直带划分为 5个带 ,侧柏林带 (50 0— 1 0 0 0m) ;松栎林带 (80 0—1 50 0m) ;栓皮林带 (1 4 0 0— 2 0 0 0m) ;杨桦林带 (1 90 0— 2 2 0 0m) ;山地草甸带 (2 1 0 0— 2 358m)。文中还对各带的特征及利用方向作了论述

 
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