查询词典 desertification

The entironment is great threatened with sandy desertification in agriculture and husbandry interlace zone of northwest China.

土地的沙漠化是世界瞩目的严重生态问题之一，它直接影响到人类经济的发展和社会的稳定。

Karst rocky desertification in the southwest of China has seriously influenced local people's life.

西南喀斯特地区的石漠化已经严重影响了人民正常的生产生活。

Based on the above,their function is analysed in the rock desertification of karst area of Guizhou.

在此基础上分析了它们在贵州喀斯特石漠化形成中的作用。

Karst desertification is one of the most important environmental effect of territorial utilization and vegetational variation in karst region which including the labefaction of solid, vegetation and surface condition and the descend of productivity.

喀斯特石漠化是喀斯特地区土地利用与土地覆被变化的最重要环境效应之一，包括了土壤、植被、地表状况的恶化和生产力的下降。

Soil organic carbon is an important indicator to measure the land desertification.

土壤有机碳(Soilorganiccarbon，SOC)是反映土地荒漠化的重要指标。

The tendency of rocky desertification in laterite districts is mainly related to the laterite leakage into underground karst spaces.

红土地区的石漠化趋势主要与红土向地下岩溶空间渗漏有关。

It has been one of the desertification training sites of UNDP, where water and has major ecological issues at basin scale.

深处内陆盆地，由于水资源匮乏而引起严重的流域生态问题，因此它也是联合国开发计划署指定的沙漠化研究治理区域之一。

In recent years The temperature rising in climate and continuous draught, together with the overgrazing and other unreasonable human activities, has resulted in serious eco-environment deterioration, less runoff, water and soil loss, more mudflow, pasture degeneration, land desertification, reduction of biological diversity, etc. This threatens the local agricultural and husbandry production and the people's living, and also restrains the social and economic development.

由于近年来气候升温、持续干旱，加上超载过牧及其他不合理的人类活动，导致生态环境严重恶化，径流量减少，水土流失、泥石流加重，草场退化、土地沙化，生物多样性减少等，使当地农牧业生产和人民生活受到威胁，制约了社会经济的发展。

Due to the population pressure and the nonrational economic activities, the fragile karst ecological environment has become worsened, and the land rocky desertification has become one of the most serious ecological environment problems in the karst area, intimidating the survival and development of local residents.

脆弱喀斯特生态环境在人口压力和不合理经济活动作用下日益恶化，土地石漠化已成为喀斯特地区最严重的生态环境问题之一，直接威胁着当地居民的生存与发展。

But in recent years, owing to the degeneration and desertification of the grasslands, together with the plague of grasshoppers, it aggravated the ecological environment of grassland, which has become a major obstacle for the maintenance of pasturage in northwest of China.

但近年来，由于草地退化和荒漠化，再加上蝗灾的危害，致使川西北草地的生态环境更为恶化，严重的影响了我国西部地区畜牧业的发展。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。