热带雨林区的昆虫比温带草原区的多。
There are more insects in tropical rainforest zones than in temperate grass zones.
我国岩画主要分布在北方干旱荒漠草原区。
Drawing on rock is distributed mainly over the mountain rock of dry-grassland and desert-grassland area in north-China.
海拔650公尺以上的最高处是所谓的彭巴草原区。
The maximum elevation of 650 meters or more, is that the so-called pampas area.
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.
草原区种源的植株月平均生长量大于沙漠区种源的生长量。
The plants from the seeds introduced from the grassland region had higher monthly growth rate than those from the seeds introduced from the desert region.
草地土壤动物的季节变化代表了松嫩草原区土壤动物群落分布的特征。
The seasonal changes of soil animals in grassland have the typical distribution characteristics of soil fauna in Songnen grassland.
再以长城沿线为界,南部为森林草原区,北部为干草原、沙化草原区。
Another line is nearly in Great Wall zone, where the south is forest grass zone, the north is dry and desert prairie.
水系沉积物中铜异常偏弱、流长偏短是青海干旱草原区化探异常的普遍现象。
It is a common phenomenon in the geochemical exploration in arid prairie of Qinghai that the dispersion length of copper anomaly is short and the anomaly is weak in stream sediments.
加拿大有五大地理区。 分别是东部大西洋区、中部区、草原区、西海岸地区和北部区。
There are five geographic regions in Canada, Atlantic Division, central region, regiondessavanes, west coast region and northern.
我们攀登的第一部分路线,仅仅为普通陡峭程度,且途经一片高山草原区。草原区上有不少的木屋。
The first part of our climb was only moderately steep, leading through an "Alm" area with some huts.
大针茅草原虻幼虫的年际间密度变化、垂直与水平分布和年度的季节动态等在典型草原区具有代表性。
The annual and the seasonal change of density and the vertical and level distribution of the Tabanidae in the Stipa grandis steppe is typical example in the typical steppe.
大规模预防接种运动预定于今天在3例黄热病已得到实验室确诊的草原区和卡拉区开始。(见以前的报告)。
The mass vaccination campaign is scheduled to begin today in Savanes and Kara regions where three cases of yellow fever were laboratory confirmed (see previous report).
典型草原与荒漠草原花粉组合存在着明显的区别,典型草原区藜科花粉百分比一般低于25%,荒漠草原区一般高于25%。
The differences between typical steppe and desert steppe are obvious. Chenopodiaceae pollen percentages are usually less than 25% in typical steppes and more than 25% in desert steppes.
内蒙古荒漠草原是温带草原中最干旱的一个类型,为草原区自然条件最严酷、草场生产力最低、生态系统最脆弱的一个地区。
As a most drought type in temperate steppe, the desert steppe in Inner Mongolia is a district with harshest natural condition, lowest productivity and weakest ecosystem in steppe districts.
本研究对蒙古高原部分草原区土壤物理和营养性状与根茎禾草生长发育进行相关性比较研究,以揭示土壤对牧草生长发育的影响。
So, it′s very important to study on the comparison about the growth and development of plant and the vegetation of grassland in whole of Mongolia Altiplano.
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.
击中奥克弗诺基国家野生动物保护区深处的蜜糖大草原的闪电,可能只会撂倒两三棵树而已。
The bolt that struck Honey Prairie, deep inside the Okefenokee National Wildlife Refuge, might have just knocked down a tree or two.
如果仅是闪电而没有干旱,击中甜蜜大草原(位于奥克弗诺基国家动物保护区腹地)的闪电不过可能会撂倒两三棵树而已。
And had there been lightning and no drought, the bolt that struck Honey Prairie, deep inside the Okefenokee National Wildlife Refuge, might have just knocked down a tree or two.
一只北美野牛伫立在俄克拉荷马州的高草草原保护区。
An American bison stands in a field on the Tallgrass Prairie Preserve in Oklahoma.
按英亩来算,有些保护区,例如那些位于雨林,热带草原或者红树林沼泽的地方- - -平均每亩保护的物种要比其他保护区多的多。
Acre for acre, some sanctuaries-such as those in rainforest, tropical grassland or mangrove swamps-offered a lot more species protection per acre than others did.
我在北美大草原上露天闲逛,大部分是在保护区中和私人牧场。
I roam out in the open on the Great Plains of North America, mostly in protected areas and private ranches.
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.
美国的圣盖蒂:西部的这一地区在修复下已经可以和繁茂的非洲大草原相媲美了。
American Serengeti: the Western lands under restoration have been compared with the abundant plains in Africa.
我们可以因此得出结论,该地区的气候在40000到30000年前曾剧烈地变化,导致这一区域从林地变成了草原。
We can thus conclude that the climate of the area changed dramatically between 40, 000 and 30, 000 years ago, causing the terrain to change from woodland to grassland.
如今,有100多头野牛闲适的生活在蒙大拿州东部3万英亩的美国草原自然保护区,这是一个世纪以来它们首次在此区域定居。
More than 100 bison now roam the 30, 000-acre American Prairie Reserve in eastern Montana—the first time they've inhabited that region in a century.
沿着休斯顿水牛河的植物园位于墨西哥湾沿海平原生态区范围内,支持着抵靠着峡谷的广袤平坦的大草原,峡谷里树木繁茂并且充满了沼泽和洼地。
Located along Buffalo bayou in Houston, the Arboretum lies within the Gulf Coastal Plains ecoregion, supporting vast flat prairies that abut wooded ravines associated with bayous and depressions.
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.
在短花针茅荒漠草原对比研究了划区轮牧和自由放牧两种放牧制度对草地土壤理化性状的影响。
The comparative studies on the influence of rotational grazing and continuous grazing on the physical and chemical characters of soil was conducted in desert steppe of Stipa breviflora.
在短花针茅荒漠草原对比研究了划区轮牧和自由放牧两种放牧制度对草地土壤理化性状的影响。
The comparative studies on the influence of rotational grazing and continuous grazing on the physical and chemical characters of soil was conducted in desert steppe of Stipa breviflora.
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