一旦腐殖质层消失，养分就无法从土壤中回收和过滤，致使土壤由肥沃变为贫瘠，只适于热带草原植被的生长。
Once the humus layer disappears, nutrients cannot be recycled and leach from the soil, converting soil from fertile to infertile and making it suitable only for savanna vegetation.
害鼠破坏草原植被以后形成的次生裸地。
Rats wasteland is the secondary bare land of grassland on which vegetation is damaged by rodent.
因建设征用或者使用草原的，应当交纳草原植被恢复费。
Where grasslands are to be requisitioned or used for construction, fees for restoration of grassland vegetation shall be paid.
植被为落叶阔叶林向森林草原、草原、荒漠草原植被型的过渡区。
Vegetation transites from deciduous broadleaf trees to forest steppe, steppe and desert steppe.
在回顾我国草原植被遥感监测方法的基础上，重点介绍目前农业部在草原植被遥感监测中所使用的方法及其局限性。
The advance of technology of remote sensing monitoring for grassland vegetation in China, especially administered by the Ministry of Agriculture of China, is reviewed in this paper.
运用地层中植硅体组合解释过去草原植被及气候变化的关键之一，是要了解研究区现代植硅体形态及表土植硅体组合与现代植被的关系。
The use of modern phytolith assemblages for the interpretation of fossil phytoliths shows phytolith analysis is an effective method for understanding the grassland vegetation and climate changes.
在灌丛、高山草甸和草原植被中，灌丛和草本花粉百分比高于70%，针叶树种花粉百分比低于20%，阔叶树种花粉百分比也低于20%。
In the shrubs, alm and steppe communities, the shrubs and herbs pollen percentages are more than 70%, the conifer are less than 20% while the broadleaf are less than 20%.
在许多半干旱的地区中，同样存在树带界限的下限区域；在这片区域之内，由于缺乏水分，森林下沿区域的植被通常会逐渐变成干草原或沙漠。
In many semiarid areas there is also a lower timberline where the forest passes into steppe or desert at its lower edge, usually because of a lack of moisture.
国家北部是热带气候，拥有由雨林、草原和沙漠组成的植被。
The northern part of the country, with a tropical climate, has a vegetation consisting of rainforest, woodland, grassland and desert.
网效应缩短了植被的生长期，在草原缩短了近1个月，而在牧场则缩短了3周。
The net effect was a shortening of the growing season by about one month for steppe plants and three weeks for meadow vegetation.
还有努比亚长颈鹿，有些科学家认为它们可能是与动物原祖关系最近的物种，植被稀疏而酷热的大草原就是它们原始的栖息之所。
There are Nubian giraffe that some scientists think may be the closest to the animal’s original ancestor; the sparse savannah and thick heat are its original habitat.
与传统的持续性放牧不同，采取积极的规划和管理放牧，恢复草地植被，将使反刍动物不再是草原的负担，而是草原的救星和保护神。
By actively planning and managing the grazing and recovery of the plants as opposed to allowing continuous grazing, ruminants become part of the solution rather than a burden to the land.
在那日益空旷的大草原上，许许多多的城镇都在祈求，太阳，风和植被能够挽救他们脱离灭绝的边缘。
Across the emptying Great Plains, towns are praying that sun, wind and plant matter will stop them from withering away.
科学家认为蚂蚁的这一行为保护了非洲草原上的脆弱植被，从而防止了森林采伐并且有利于保护农作物。
The scientists believe that adding ant colonies to vulnerable plants in Africa could prevent deforestation and protect crops.
其它还有疏林草原和荒漠植被。
在中国植被分区上，山西恒山是温带草原地带与暖温带落叶阔叶林地带的交错区。
Heng Mts., Shanxi is located in the ecotone of temperate grassland zone and warm-temperate deciduous broad-leaved forest zone according to China Vegetation Regionalization.
植被的植物区系组成明显以热带成分为主，其中有些属与近代典型热带草原有联系。
The floristic component of Yuanmou vegetation distinctly consists of the large part of tropical elements, in which some genera connect to the current typical savannas.
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.
在中国植被分区上，山西恒山是温带草原地带与暖温带落叶阔叶林地带的交错区。
Hengshan Mts, Shanxi, is located in the ecotone between temperate grassland zone and warm-temperate deciduous broad-leaved forest zone according to the result of China vegetation regionalization.
贺兰山自然保护区的植物旅游资源由森林、灌丛、草原、荒漠、高山草甸等植被类型和部分特色植物种群及物种组成。
The botanical tourist resources of Mount Helan nature reserve are composed of forest, shrub, steppe, desert, meadow, and some characteristic plants.
花粉浓度在草原区花粉与植被关系研究中意义不明确。
This indicates that total pollen concentration is not an essential factor for studying the relationships between surface pollen and vegetation.
研究地区主要植被类型有三类，即温性草原、高寒灌丛和高寒草甸。
There are three main vegetation types in the studyed area, they are warm steppe, alpine shrub and alpine meadow.
按照土壤发生的观点，合理利用碱性草原和改良苏打盐(碱)土的原则，应是保护和恢复植被。
From the viewpoint of soil formation, the principle of rational use of alkaline grassland and reclamation of soda solonchak should be the protection and restoration of vegetative covers of the soils.
草原是吉林省西部最重要的植被类型，是区域自然资源比较优势的集中体现。
Grassland is the most important vegetation in the West of Jilin Province and is the concentrated reflection of regional comparative advantage of natural resources.
草原是吉林省西部最重要的植被类型，是区域自然资源比较优势的集中体现。
Grassland is the most important vegetation in the West of Jilin Province and is the concentrated reflection of regional comparative advantage of natural resources.
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