旧石器时代末期,太湖平原气候凉干,为森林、草原环境。
In the Mesolithic, for the climate was cool and dry, the Taihu plain was covered with forests and grasslands with scarce lakes and swamps.
对现场的取样分析解释了显著的树冠损失的原因。排水不良地区的粉质粘土壤土和具有代表性的草原环境条件都在现场广为散播。
Forensic analysis of the site explained significant canopy loss. Poorly drained areas with silty clay loam soils - conditions more representative of prairie environments - were widespread on the site.
通过实验,我们发现建立稳定的协商关系需要制度和政策的保障,草原环境保护政策应以鼓励村民参与和发挥村民集体行动的能力为核心。
Our research shows that promoting collective participation of villagers and setting up frequent negotiation between government and villagers are the effective ways to preserve the grassland.
灌木的扩张也发生在其他环境中,比如半干旱草原和高草草原。
Shrub expansion has occurred in other environments, like semiarid grassland, and tall grass prairies.
在北卡罗莱纳州的松树稀树草原上,对火灾增长的抑制使得其他植物生长过快,在它们的自然环境中胜于捕蝇草。
In the pine savannah of North Carolina, the increasing suppression of fires is allowing other plants to grow too quickly and out compete the flytraps in their native environment.
所有的农业都损害环境,包括你所能想到的一切——砍伐森林,垦荒草原,灌溉的水源,粪肥,拖拉机消耗的燃料,杀虫剂还有化肥等。
All agriculture damages the environment - think of all those felled forests and ploughed-up prairies, all the irrigation water, manure, tractor fuel, pesticides and fertiliser.
门克说,这是因为人类砍倒森林,推平草原,代之以全新的城市环境。
Menke says it's a result of knocking down the forests and grasslands and replacing them with whole new environments.
获取自然环境中的某些部分,再将它们重新组装成湿地或者草原,只是建立生态区的办法之一,生态学家们把这种办法叫做“比对”法。
Constructing a wetlands or savanna by reassembling portions of a natural one is only one method of biome building — which the ecologists call the "analog" way.
草原是一个位于温带地区高度气候性的环境。
Grassland is located in a temperate climate region a high degree of environment.
通过分析得出的结论是牧民减收与草原生态环境的恶化有直接的关系。
Through the above analysis, we draw a conclusion that the lower income of herdsmen has a direct relation with the adverse ecological environment in the grassland.
第二个是资源开发和环境保护问题,这些问题可以通过制定一些强化土地、森林和草原等开发和保护的法律予以解决。
The second problem is to exploit resources and protect the environment, which may be overcome by means of making laws for strong protection of land, forests and grassland.
中国北方地区在过去的历史时期曾经有广泛分布的森林和草原,生态环境良好。
There are many forest and grassland in north China in ancient time, and ecological environment was in balance.
内蒙古草原挥发性有机物的研究在大气化学、大气环境领域具有重要的作用。
The study on volatile organic compound (VOC) in Inner Mongolia grassland plays important role in atmoshphericchemistry and environment.
由于全球环境变化和人类活动的共同影响,我国草原普遍出现退化现象。
Due to the joint influence of the changing global environments and the human activities, the grassland appear phenomenon of degradation generally in China.
柠条饲料合理开发利用可以拓宽干旱沙区饲料资源,缓解草原压力,改善生态环境。
The reasonable development and utilization of Caragana feed can widen feed resource in arid and sandy area, relieving the stocking pressure on grassland and improve ecological environment.
土地盐碱化、沙漠化和草原退化,是干旱内陆盆地主要环境灾害。
The land salinization and desertization and grass-land degeneration are mainly environment disaster of arid continental basin.
结果表明,拉萨地区的主要生态环境类型包括河谷农业类型、山地草原类型、高山草甸类型及高山裸岩及冰雪类型。
The result shows that there are five main ecoregion types in Lhasa area, namely valley agriculture zone, mountain steppe, alpine meadow, snow and ice and rock, and lake.
模型的环境是草原,其中生存着植物和各种动物主体。
The environment is grassland where grass and animal agents exist.
鼠可破坏森林植被,植被、草原的破坏可使环境沙化。
They can cause damage to forest vegetation, and this in turn can lead to environment desertification .
为了有效遏制草原沙漠化趋势,我国启动了一系列草原沙化治理工程来改善草原生态圈生态环境。
In order to effectively prevent the trend of desertification, a series of grassland desertification control project were started to improve grassland ecosystem and environment in China.
草原区的煤炭开采,大量的挖损和排土场岩土排弃占地面积大,人为堆垫的松散堆积物形成再塑地貌,破坏大面积草场原地貌环境,是新生水土流失的源地。
The area of mine exploitation and outer dump or digging are large in steppe, which destroyed many grassland resources and also formed lots of new soil and water losses.
课程包括土地使用管理,野生动物栖息地研究及管理,草原生态学,公共管理和环境法。
Courses include the study of land use management, wildlife habitat and wildlife management, grassland ecology, public administration, and environmental law.
所谓旅游公路,不仅是游客空间转移的手段和工具,还是草原景区的一部分,应与周围环境相协调。
Tourism highway is, not only the mean and tool of tourists'spatial transference, but also a part of the grassland, and it should coordinate with the surrounding environment.
它们居住在森林,草原,山脉,沙漠,甚至人类的环境如:农场和郊外区域。
They live in forests, grasslands, mountains, deserts, and even human environments such as farms and suburban areas.
在短暂的人类历史时期,土默特平原经历了由草原生态环境到农田生态环境的变迁过程。
Throughout short human history, Tumote Plain experienced the process from grass ecological environment into farmland ecological environment.
滥垦草原、盲目移民的结果是草原生态环境遭到严重破坏而沙化退化;
Because of abusive cultivation of grassland and unplanned immigration, the ecological environment of grassland has been deteriorating and the process of desertification is accelerated.
动物群的组合指示了一个以温带草原为主,局部地方有灌木丛林和水体的生态环境,与二登图和比例克动物群的情况相似。
The Gaotege fauna reflects a predominantly temperate steppe habitat, with local shrub and freshwater bodies, similar to the Ertemte and Bilike faunas.
主要是加强对农业环境、渔业水域、草原牧区、特别是土壤环境的监测。
Mainly to strengthen the agricultural environment, fishing waters, grasslands and pastoral areas, particularly the monitoring of soil environment.
主要是加强对农业环境、渔业水域、草原牧区、特别是土壤环境的监测。
Mainly to strengthen the agricultural environment, fishing waters, grasslands and pastoral areas, particularly the monitoring of soil environment.
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