由于复活节岛赖以生存的树木和土壤消失殆尽，岛上的人口大幅减少，幸存者转而以食人肉为生。
As the trees and soils on which the islanders depended disappeared, the population crashed and the survivors turned to cannibalism.
土地为不动产，包括永久附属于土地的一切实物，如建筑物、植物、树木和土壤本身。
Land is real property and includes all physical objects that are permanently attached to the soil, such as building, plants trees, and the soil itself.
从我所说的形成土壤多样性的原因来看，你们可能会认为森林动态——即树木发生什么变化——和土壤多样性之间的关系是单向的。
From what I have been saying about the causes of pedodiversity, you might assume that the relationship between forest dynamics, what happens to the trees, and pedodiversity is a one-way street.
他解释说，大部分放射性物质存在于土壤中而不是易燃的树叶和树木中。
Most of the radioactive particles are in the soil rather than in the flammable leaf litter and trees, he explains.
尤其是，他们应该迫切地去推进其高瞻远嘱的沿河岸和沟壑重植本土树木的运动，在那些地方这块大陆哺育生命的表层土壤正在快速地流失。
In particular, they should be forced to accelerate her visionary campaign to replant indigenous trees along river Banks and ravines where the continent's life-giving top soil is being swept away.
其实我本来无非是想让这些过分砍伐的人减少大面积砍伐的范围，在马路边和河流边保留足够的树木，以减少对土壤的侵蚀。
All I wanted the clear-cutters to do was to reduce the size of their big cuts and leave adequate buffers along roads and streams to reduce soil erosion.
通过吸收和储存温室气体，特别是在土壤、植物和树木中，农业起到了碳“汇集地”的重要作用。
Agriculture plays an important role as a carbon "sink" through sequestering and storing greenhouse gases, especially as carbon in soils, plants and trees.
尼日尔抗击气候变化的努力还在继续，树木、土壤和水源都变成了资本复兴的动力，农民和牧民们之间的冲突减少了80%。
Fighting climate change in Niger is development.Trees, soil and water have been reinstated as capital.Conflict between farmers and herders is down 80%, says Reij.
尼日尔抗击气候变化的努力还在继续，树木、土壤和水源都变成了资本复兴的动力，农民和牧民们之间的冲突减少了80%。
Fighting climate change in Niger is development. Trees, soil and water have been reinstated as capital. Conflict between farmers and herders is down 80%, says Reij.
蚂蚁是一种为所有植物和树木带来的、对土壤必不可少的服务。
Ants are a necessary service to the soil for all plants and trees.
海地的树木和树根过去使这个多山岛国的土壤稳固。
Haiti's trees and roots used to keep the mountainous island's soil in place.
那么结果就是，基因改良树木会抢占天然树木的资源，诸如阳光、土壤和水等。
As a result, the genetically modified trees out compete the native trees for resources: sunlight, soil nutrition and water.
这是一种速生的树木和灌木，它的叶子和根系有助于改善土壤。
These are fast-growing trees and shrubs whose leaves and roots help improve soil.
后来，人们破坏了许多树木，把它变成农田，许多水和土壤被冲走了。
Later, people destroyed many trees to turn for its into farmland and a lot of water and soil was carried away down the hills.
设计重点之一是市中心的城市公园，它建于自然土壤之上，树木和灌木可以蓬勃生长。
One focus of the design was the urban park in the city center. It was built on natural soil, so the trees and bushes could grow nicely.
课程包括土壤，水以及树木的繁殖，生长和照管。
They learn about such subjects as soil; water; and the reproduction, growth, and care of trees.
在兰州市北山采用不同厚度的无纺布覆盖水平沟处理和无覆盖对照处理，在树木生长期内，对土壤水分和刺槐生长指标进行了测定。
Through different thickness non-textile mulch and check treatments, in this paper the water soil content and some growth index of Robinia pseudoacacia during the growth period were studied.
科学家指出，树木可以滤去土壤和地下水中的污染物，从而改善了农场周围的水质。
Scientists say the trees can also improve water quality around farms by removing pollutants from soil and groundwater.
因为它是酸值很高，树木获得来自土壤的养分就会减少，森林也变得更容易受到干旱和病虫害袭击。
Trees receive fewer nutrients from the earth because it is so acid, and this creates forests that are more vulnerable to drought, disease and insect attack.
在树木生长表现和土壤酶活性发挥方面，混交林优于纯林。
Also, the tree growth and the soil enzyme activity of mixed stand were all better than that of the pure stands.
分析盐碱地对树木的危害，阐述通过物理、水利和化学土壤改良的措施；
The paper analyzes the harmfulness of saline - alkali soil to trees and woods, and simply elaborates the measures for soil improvement concerning physical, hydrological and chemical aspects.
树木的减少扰乱了生态系统，因为固定表层土壤，保持旱季降雨，净化地下水和将二氧化碳转化为氧气都需要树木。
The loss of trees upsets the ecosystem as trees are necessary to build topsoil, maintain rainfall in dry climates, purify underground water and to convert carbon dioxide to oxygen.
土壤、气候和立地因子等环境因子影响树木外生菌根菌的种类及数量。
The species and the number of Ectomycorrhizal fungi (ECM fungi) are influenced by many environmental factors, such as soil factor, climate and season, and site factor.
丰富和潮湿的土壤，如排水良好的冲积土壤，不支持檀香很好，在这些树木心材将在石油不足。
Rich and moist soils such as well-drained alluvial soils, do not support sandalwood well; the heartwood in such trees will be deficient in oil.
丰富和潮湿的土壤，如排水良好的冲积土壤，不支持檀香很好，在这些树木心材将在石油不足。
Rich and moist soils such as well-drained alluvial soils, do not support sandalwood well; the heartwood in such trees will be deficient in oil.
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