因此,在草原干旱区开垦农田,应以秋耕为主要耕作方式。
Therefore, autumn ploughing should be applied as a major pattern of cultivation in the farmlands in dry pasture regions.
过往沙漠的南部边界比现在的边界更靠北,而半干旱的草原和较浅的淡水湖泊覆盖了现在干旱平原的大部分地区。
The southern frontier of the desert was far to the north of where it is now, while semiarid grassland and shallow freshwater lakes covered much of what are now arid plains.
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.
尽管一年中大草原上可能会有大量降雨,但至少有一段时间是降雨很少的,造成干旱压力,最终有利于牧草生长。
Though plenty of rain may fall on savanna during the year, for at least part of the year little does, creating the drought stress ultimately favoring grasses.
稀树草原气候的特征是干湿分明,干旱月份多于湿润月份。
Contrasting seasons of rain and drought characterize the savanna climate, typically with more dry months than wet.
一个相关的研究发现,强烈的气候对撒哈拉以南非洲农业的影响并不是随处可见。考虑到上世纪80年代,西非荒漠草原的大范围干旱对农业的巨大作用,这个发现不会让人太惊讶。
A related study shows strong climate effects on sub-Saharan agriculture in Africa not seen elsewhere, which is not perhaps surprising given the huge effect of the 1980s droughts across the Sahel.
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.
再者,去年彭巴草原发生严重干旱后,他们现在正享受农产丰收。
Moreover, after the pampas suffered a severe drought last year, they are now enjoying a bumper harvest.
不远处是一条小溪,沿着绿色的堤岸奔流不息,熠熠发光,发出潺潺的流水声,这对于一个在干旱的灰色草原上住了很久的小女孩来说实在太令人愉快了。
A little way off was a small brook, rushing and sparkling along between green Banks, and murmuring in a voice very grateful to a little girl who had lived so long on the dry, gray prairies.
后来由于过度放牧、开垦粮田和持续干旱,西北草原进一步遭到破坏,袭击北京的沙尘暴增加到一年十多次。
After that, overgrazing and ever-lasting drought had further devastated northern west prairie.
大片的森林和草原都处于干旱状态给自然火灾带来了大量的燃料,相对较高的阵风天气和低湿度则给火灾快速蔓延提供了绝好机会。
Relatively high winds and low humidity levels have also contributed to the rapid spread and expansion of fires.
豹纹龟(龟)是一种大型的放牧物种,出现在有利半干旱(不干),棘手的草原栖息地。
The Leopard Tortoise Stigmochelys (Geochelone) pardalis is a large grazing species that favors semi-arid (not dry), thorny to grassland habitats.
加拿大半干旱草原农业研究站化学实验室在加拿大西部很有影响。本文介绍并分析了它的管理与运作机制。
The chemical laboratory of the Semiarid Prairie Agricultural Research Centre of Canada is very influential in western Canada. In this paper, its management and operation were introduced and analysed.
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.
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.
在肯尼亚,一场无情肆虐的干旱,带走了肯尼亚享负盛名的大象那一个个无辜的生命、吸干了汩汩流淌的河水、炙烤着各个禁猎区,使得大片大片的草原枯萎消亡。
A drought in Kenya has become so bad that the country's famed elephants are dying, as rivers dry up and grasslands shrivel in parched game reserves.
在盆栽干旱条件下,结果表明:在多数测量指标中,草原1号优于龙牧801,表现优异,体现了其优良的抗逆境品质。
In plants under drought conditions, results showed that: in most metrics, the grassland than 1 Longmu 801, outstanding performance, reflecting its excellent anti-stress quality.
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.
位居干旱气候区的内蒙古高原中北部的荒漠草原地带,面临着严重荒漠化的威胁。
The desert steppe zone in the arid land of northern Inner Mongolia plateau is confronted with serious desertification.
加拿大半干旱草原农业研究站化学实验室在加拿大西部很有影响。
The chemical laboratory of the Semiarid Prairie Agricultural Research Centre of Canada is very influential in western Canada.
干旱草原区种源生长表现最差。
The growth is worst in the dry grasslands species source region.
在东非和西非炎热干旱的草原上,他们的巢有许多“教堂的尖塔”。
On the hot, dry savannahs of east and west Africa, their mounds are many-spired "cathedrals".
本文结合西夏时期干旱、寒冷的气候,草原、荒漠的植被,对其牧业经济若干要素进行了认真细致的考察。
Considering the dry cold climate and pasture desert vegetation in Western Xia Regime, the paper deals with several factors of its animal husbandry economy.
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.
共和盆地地处半干旱地区,地带性植被为荒漠草原和草原类型。
The zonal vegetations of the semiarid Gonghe Basin are desert steppe and steppe type.
早年波及美国草原地区的大沙尘暴便是一次“名震全世界”的干旱。
The Dust Bowl that affected the prairie regions of the United States was one infamousdrought.
早年波及美国草原地区的大沙尘暴便是一次“名震全世界”的干旱。
The Dust Bowl that affected the prairie regions of the United States was one infamousdrought.
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