The population increase and overherd are main reasons for that.
人口增长和超载放牧是土地利用变化的主要原因。
Therefore, the resources and population increase form a feedback loop.
于是资源与种群增长构成一个反馈调节环。
These figures show our projection of the town's population increase in the next ten years.
这些数字反映了我们对未来十年这个城市人口增长的预测。
Malthus believed that population increase would outpace increases in the means of subsistence.
马尔萨斯认为人口的增长快过生活资料的增长。
Britain imports half its food, and we are predicted to see our population increase by 10 million.
英国一半的食物靠进口，而我们的人口预计将增长一千万。
Reasonable transplanting density has great significance for E. binata population increase and yield form.
合理的移栽密度对龙须草种群增长和产量形成具有重大意义。
The population increase so quickly, this is a serious problem. What's your ideas? Pls show us your opinion.
人口增长速度如此之快，是一个严重的问题。你有什么见解呢？快来和大家分享一下吧。、。
Along with the speedy economic growth and population increase, the lack of resources is becoming more and more serious.
随着经济快速增长和人口增加，资源不足的矛盾越来越突出。
Nigeria the continent's most populous nation could see its population increase from 162 million today to 730 million by 2100.
尼日利亚，非洲大陆人口最多的国家，预计它可以从现在的1.62亿增加到2100年的7.3亿人口。
Tajikistan had an particularly high birth rate and the highest rate of population increase of all the former Soviet republics.
塔吉克斯坦有着特别高的出生率，也是所有前苏联国家中人口增长最快的。
Nigeria, the continent's most populous nation, could see its population increase from 162 million today to 730 million by 2100.
尼日利亚，非洲大陆人口最多的国家，预计它可以从现在的1.62亿增加到2100年的7.3亿人口。
With the urbanization progress and population increase, the area of cultivated land is decreasing and the quality declining.
城市化进程的加速和人口数量的剧增，使耕地数量减少、质量下降，人地关系日益尖锐。
The world now sees a population increase of nearly 80 million every year, most of which comes from under-developed countries.
现在，世界人口数量每年增长将近8000万，大多数是来自不发达国家。
Under the circumstances of the world population increase and the grain shortage, the necessity developing different forage resources was discussed.
讨论了在世界人口增长、粮食短缺的情况下，积极有效地开辟多种饲草资源的必要性；
The whole world faces the problem that raw materials are being used up at an increasing rate and food production can not keep up with the population increase.
整个世界面临的原料正在使用的速度越来越快和粮食生产的增长跟不上人口增长最多的问题。
Due to the population increase and economic radiation capabilities, some central cities and their periphery closely appeared satellite cities and the economy regions.
一些中心城市由于人口的增加和经济辐射能力的增强，其外围出现了一些和该城市在经济等方面有密切联系的卫星城市和经济组团。
In this paper, the population model which the velocity of the preying rate of the predator population changes when quantities of the prey population increase is concerned.
本文研究一类随着食物量的增加捕食者捕食速度的变化率起变化的种群模型。
They’re called black box warnings. Because some of these in the general population increase the risk for depression or anxiety and there’s also a risk of sudden heart failure.
但是，国家食品和药物监督管理局对这类药物的使用也有一些警告，叫黑框警告，因为在总人口中，这些药物的使用会增加出现抑郁、焦虑的风险，同时这些药物也增加了突发性心脏衰竭的风险。
The main reasons for this are constant population increase, constantly enlarged cultivation of land against population pressure and the resultant severe ecological degeneration.
形成这一状态的主要原因是人口的持续增长和为缓解人口压力不断扩大的垦殖及由此造成的生态环境的严重退化。
It is essential to control population increase to lighten the burden on the land, to withdraw the farmland to the grassland and to protect thd vegetation for anti-desertification.
控制人口增长、减轻土地压力、退耕还牧和保护植被是促进当地荒漠化土地逆转所必须的。
The experimental result shows that the maximum population increase index for the second generation is 66. 52, and the minimum population increase index for the fourth generation is 14.60.
结果表明：前齿肖蛸第二代的种群增长指数最大，达66.52；第四代种群增长指数最小，为14.60。
With the increase in population and the development of industry, litter is everywhere.
随着人口增长和工业发展，垃圾到处都是。
Their migration may have been set in motion by an increase in population caused by a movement of peoples fleeing the desiccation, or drying up, of the Sahara.
他们的迁徙可能是人口增加引起的，这一人口增长是由人们逃离撒哈拉沙漠的干燥或干涸的迁移造成的。
Applying the most conservative estimates to current demographic trends, the human population will increase by about three billion people by then.
按照对目前人口趋势的最保守估计，到那时人口将增加约30亿人。
Applying the most conservative estimates to current demographic trends, the human population will increase by about three billion people by then.
按照对目前人口趋势的最保守估计，到那时人口将增加约30亿人。
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