在半干旱地区,草地通常是最主要的天然植被,而该地区主要的经济活动是家畜饲养。
The raising of livestock is a major economic activity in semiarid lands, where grasses are generally the dominant type of natural vegetation.
这时期芦苇沼泽主要转换为耕地、天然植被和盐渍化土地。
This period, the marsh reeds mainly transform into farmland, natural vegetation and salinization land.
海带是一种天然植被发现海洋中的碘,是很好的来源和微量矿物质。
Kelp is a natural vegetation found in the ocean and is an excellent source of iodine and trace minerals.
人工植被尽快向大面积天然植被过度,也许是根治沙害的终极途径。
It is probably the ultimate channel for bringing the scourge of sand under permanent control to change from artificial vegetation to natural vegetation as soon as possible.
塔里木河干流治理工程实施后,将对天然植被的生境产生一系列的影响。
However, the natural vegetation will be affected after the implementation of river training works of Tarim river main stem.
尼日利亚尼日尔河三角洲湿地中石油的意外泄漏对栽培作物和天然植被的影响。
The Impact of Accidental Oil Spill on Cultivated and Natural Vegetation in a Wetland …
受气候的变化和人类活动的影响,黄土高原的天然植被受到破坏,草原界线南移。
Due to the climate changes and effects of human activities, the nature vegetation of the loess plateau has been destroyed and the boundaries of grasslands moved southward.
绿洲边缘天然植被的衰败和土地的荒漠化与绿洲地下水水位的下降有着直接的关系。
Oasis marginal decline of the natural vegetation and land desertification have a direct relationship with groundwater level.
人工植被相对于天然植被对总氮的固定作用更为明显,而对总磷的固定作用劣于天然植被。
The fixation effect of total N in artificial vegetation was more obvious than that in natural vegetation, but it was converse on the fixation effect of total P.
相同沙漠化阶段林地间天然植被的相似性系数较大,不同沙漠化阶段林地间相似性系数较小。
Natural vegetation similarity coefficient in the same desertification stage is higher than the value in different stages of those stands.
结合水资源配置,对天然植被进行保护和建设,对防止沙漠化、保护人工绿洲具有重要的意义。
This study concluded that integrated water resources management together with natural forest protection are very important for the construction of artificial oasis and prevention of desertification.
西北内陆盆地的天然植被对生态环境起到至关重要的作用,而天然植被的生长状态与地下水埋深息息相关。
Vegetation, which growth state is closely related to the depth of groundwater table, plays an important role in eco-environment in inland basin, northwestern China.
盐渍化土地面积从1973 - 1990年增加了24.24%,增长的面积主要来自于天然植被和芦苇沼泽。
The area of Salinization land had increased of 24.24% from 1973 to 1990, this part of area converted mainly from natural vegetation and marsh reeds.
从多年的植被调查也得出了排土场边坡天然植被的演替规律,为人为进行排土场的植被恢复提供了科学依据和理论指导。
The natural vegetation succession rule is also obtained from many years vegetation investigation, which provided the scientific basis and the theory instruction for the vegetation to restore.
小龙门林场及毗邻地区的天然植被保存良好,结构合理、物种丰富,在进行森林健康评价时,可作为健康标准的参考之一。
Natural vegetation in Xiaolongmen and adjacent areas can be used as the reference standard of health assessment for they are preserved well, have rational structure and rich species.
目前黄土高原水土流失剧烈进行,其主要原因就是人为活动对天然植被的无情破坏,从根本上破坏了土壤的入渗和抗冲性能。
The soil and water loss violently, the main reason was human's destroy on natural vegetation, thus it thoroughly destroyed the permeability and anti-scouring of soil.
塔克拉玛干沙漠公路沿线气候恶劣、土壤和浅层地下水的含盐量高,沿线天然植被稀少,沙漠腹地仅发现12种能忍耐干旱和抗盐的植物种。
Due to the extremely arid climate and high salt context in soil and underground water, the vegetation is very sparse and only 12 species of plants were found in the center of Tarim basin.
通过对陕北榆林风沙区防风固沙林体系的配置结构、树种组成、防风固沙效益、改良土壤的作用以及对天然植被的影响等的调查、观测和分析,结果表明:其配置结构较为合理,生态效益较为显著。
The effects of the sandbreak forest system in Yulin sandy area on the sandbreak, soil improvement and natural vegetation recovery were studied by investigating their configuring structure and species.
在夏季,天然的遮阳达到了其植被的高度,它保护公寓免受白天的酷热。
A natural brise soleil reaching the height of its vegetation during the summer months, it protects the apartments from the intense heat of the day.
涞源县植被属华北植物区系,现有植被大部分为灌草丛,其次是天然次生林和人工林,森林覆盖率为18.24%。
Vegetation is Laiyuan County of North China flora, the majority of existing vegetation for irrigation in the bushes, followed by natural secondary forest and plantation, forest coverage is 18.24%.
抚育间伐对森林生长的影响体现在很多方面,包括对林分生产力及其林分因子、林下植被及灌木、林下土壤和天然更新影响等方面。
The effects of thinning on forest growth embodied some aspects which mostly include the effects on stand productivity, stand factors, stand biomass, vegetation and shrubs under-forest, soil and so on.
城市的原有天然土壤植被不断被建筑物及非透水性硬化地面所取代,透水性铺装被日益推崇。
Town continued to be the original natural soil vegetation on the ground floors of buildings and non-replacement of water permeability, water permeability survey was increasingly respected.
研究对象选取天然重叠植被——乔草群落。
The study object is the natural overlapping vegetation---arbor grass biocoenosis.
林下植被生物量随林龄增长而降低,所有年龄阶段红松人工林林下植被生物量都低于红松混交林和天然次生林。
The undergrowth vegetation biomass in Korean pine plantations declined over years and was less than that of the mixed forest of Korean pine and secondary natural forest at all age stages.
通过天然林草需水量分析,提出该地区适宜的林草植被保护技术,包括围栏封育、根据草场的载畜能力确定载畜量、合理灌溉、加强抚育管理。
According to analysis of water demand of natural forest and grass, technologies of forest and grass protection that suit the local conditions are pointed out, including enclosed-fence f...
结果表明,天然草地植被盖度、地上生物量和高度随土壤厚度的增加而增大。
The plant community characteristics of different natural restoration grasslands and above-ground biomass were calculated.
天然草地植被与农田植被相比,可以较好地减轻水蚀的发生。
Comparing with the cropland, natural grassland vegetation could reduce the water erosion better.
在宽敞的、郁郁葱葱的中央景观设计中,该地以其成熟树木、新的植被和流经整个场地的天然水系统为特色。
Designed around the spacious, lush central landscape, the site features existing mature trees, new planting, and a reinstated natural water course which flows around the perimeter.
东锣岛拥有约125米天然海滩并被纯天然热带茂密的植被所覆盖。
The Island with his 125 meters of sandy beaches is surrounded by the unspoiled tropical lush and tranquil vegetation.
东锣岛拥有约125米天然海滩并被纯天然热带茂密的植被所覆盖。
The Island with his 125 meters of sandy beaches is surrounded by the unspoiled tropical lush and tranquil vegetation.
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