你所指的是世界上十大主要的土地生态系统。
You refer to ten major types of land ecosystem in the world.
湿地松是一种适合沙化土地生态系统重建的先锋植物。
Pinus elliottii had been found as pioneer plant suitable for sandy land ecosystem reconstruction.
结果表明，该县土地生态系统功能低下，系统的能量转化效率及稳定性较低。
The results show that the function of the land ecosystem is low, the energy conversion efficiency and the stability is not high.
文章系统地分析研究并提出了山西土地生态环境持续整治与保护的总体设想。
This paper makes a systematical analysis on and put forward a general strategic idea of continuous improvement and protection of Shanxi's land and ecological environment.
芦笋既具有适应风沙化土地生态系统特点的生物学特征，又具有很好的经济价值。
Asparagus not only has high economic and nutritional value, but also has it biological characteristic of adapting to the ecosystem of wind-sandy wasteland.
应用系统论的观点建立了黑泉库区土地生态系统模型，并对系统多因子进行了定量分析。
Using systematic view, the land ecological evaluation model of Heiquan reservoir area is set up, and many factors in system are analysed quantitatively.
应用系统论的观点建立了跋山库区土地生态系统模型，并对系统多因子进行了定量分析。
Land ecological model system is set up by using systematic idea, and multi-factors are analysed quantitatively.
将土地自然价值分成固定自然价值和可变自然价值，讨论了土地生态环境的价值、价格及区位问题，且将土地生态环境分为四种类型。
In this paper land natural value is separated into fixed and variable parts. Value, price, and location of land environment are discussed. Land environment is divided up four dasses.
研究结果表明，根据土地类型所处的土地生态系统的演替阶段来判定土地退化程度，是目前比较简便而又切实可行的土地退化评价方法。
The results showed that it was a simple and practical method, which was based on the ecosystem succession stage of land types to assessment land degradation.
沙漠边缘的半干旱土地处于非常脆弱的生态平衡之中，而这些半干旱区域对于持续增加的环境压力的适应能力极其有限。
The semiarid lands bordering the deserts exist in a delicate ecological balance and are limited in their potential to adjust to increased environmental pressures.
长江流经多种不同的生态系统，是诸多濒危物种的栖息地，灌溉了中国五分之一的土地。
As a habitat for many endangered species, the Yangtze River flows through diverse ecosystems and irrigates one-fifth of China's land.
一路上，我们破坏了大多数我们曾经耕作过的的土地，经常把翠绿的自然生态区变成了半干旱的沙漠。
Along the way, we despoiled most of the land we worked, often turning verdant, natural ecozones into semi-arid deserts.
由于过度伐木、自给农业的焚烧土地和捕猎，森林生态系统遭到了严重的破坏。20种马达加斯加特有的狐猴将会消失。
Forest ecosystems are being destroyed by logging, burning for subsistence farms, and poaching. The 20 species of lemurs for which Madagascar is renowned are in danger of disappearing.
拉萨的土地价格非常高，而不开发它们表明我们非常珍视拉萨的生态环境，"他说。
The price of land is very high in Lhasa. That we don’t develop the area shows how much we value the environment in Lhasa,” he said.
拉萨的土地价格非常高，而不开发它们表明我们非常珍视拉萨的生态环境，"他说。
The price of land is very high in Lhasa. That we don't develop the area shows how much we value the environment in Lhasa,” he said.
雅库特，这一块土地之上还保留着原生态的自然环境。对于那里的许多野生动物来说，甚至还从没见识过“人”这种两腿行走的生物。
Yakutia is the land of untouched nature and wild animals some of which haven't ever seen a man.
这一点是通过考虑地方需求、土地能力和自然生态系统的功能来实现的。
This is done by looking at local needs, land capacity and the functioning of natural ecosystems.
他不仅考虑了温室气体的排放量，也研究了各种燃料对生态系统的影响，例如土地占用和水污染等等。
He considered not just the quantities of greenhouse gases that would be emitted, but also the impact the fuels would have on the ecosystem - taking up land and polluting water, for instance.
一个名为“抵制破坏原生态土地环境”的组织这种风力发电机是在美国最北面。
The group called Resisting Environmental Destruction on Indigenous Lands claims this wind turbine is the farthest north in America.
相关部门同样指出：这同样会对生态环境、生物多样化、土地和森林资源以及水质施加过大的压力。
The sector also threatens "enormous pressure on ecosystems, biodiversity, land and forest resources and water quality".
世界遗产区占地10747亩，屋久岛野生保护区占地1219亩，森林生态区占地14600亩，其中96%是国有土地，4%是私有土地。
The World Heritage area takes up a area of 10747 mu, the wildlife area of the Yakushima is 1219 mu and the forest ecological reserve is 14600 mu, among which 96% is state-owned land, 4% is private.
土地是人类生产与生活的载体，是一个国家存在与否的基本特征，也是生态环境系统的重要组成部分。
Land is the carrier of human production and life, which is a basic feature of the national existence, and is an important component of the ecological environmental system.
土地利用变化的研究是生态环境变化研究的重要基础，也是调控人类行为的科学决策依据。
The research of land use change is the foundation of the ecological environment change research, and it is also the scientific policy-making basis which regulates the human behavior.
新疆生态环境脆弱，土地荒漠化十分严重。
Ecological environment has fragility and land desertification is very serious in Xinjiang.
根据这个研究小组公布在《生态学》杂志上的研究结果，在没有土地的贫困家庭出生的儿童往往都经受了婚姻前景黯淡、生育率低下、新生儿死亡率高等痛苦。
Children born into landless, and hence poor, families suffered reduced marital prospects, lower probability of reproduction, and higher infant mortality.
土地是生态系统的基础，是经济活动必要的生产要素。
Land is a basis for the existence of ecosystems, which is the most important economic activity factor of production.
更何况，我们对土地不同的使用方式意味着地球是一个不同生态系统的镶嵌画，而不是一个更大的彼此相接的栖息地。
And it doesn't help that all of the different ways we use land means that the Earth is pretty much a Mosaic of different ecosystems rather than larger, contiguous habitats.
更何况，我们对土地不同的使用方式意味着地球是一个不同生态系统的镶嵌画，而不是一个更大的彼此相接的栖息地。
And it doesn't help that all of the different ways we use land means that the Earth is pretty much a Mosaic of different ecosystems rather than larger, contiguous habitats.
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