water loss and soil erosion

The main kinds of the geological disasters are water loss and soil erosion, expansive soil hazards, rivers bank collapse, ground subsidence, water and soil pollution, landslide, debris flow, seawater intrusion, rock desertification in rocky area, etc.

广西主要地质灾害有水土流失、膨胀土地质灾害、河岸崩塌、地面塌陷、水土污染、滑坡、泥石流、海水入侵、山区石漠化等。

It says that the soil resources will be exhausted after 50 years because of heavy soil and water loss and wind erosion and desertification.

文中指出，由于严重的水土流失和风蚀沙化，350年后土壤资源将濒临枯竭。

Origins and Prevention Countermeasures of Water Loss and Soil Erosion Hazard in Area of Penglai City

蓬莱市域水土流失灾害成因及防治对策

Based on detail investigation of soil erosion and analysis on the characteristic of soil and water loss in the area of weathered granite soil, the erosive intensity control and erosive modules adapted to urban developing platform are put forth and the basic scientific data for it is provided.

通过对深圳地区的花岗岩风化物土壤的开发平土区水土流失特性分析和侵蚀调查，提出了适合城市开发平土区的侵蚀等级划分和侵蚀模数。

Land resources are dwindling because of water loss and soil erosion.

因为水资源的浪费和土壤被侵蚀,土地资源逐渐缩小.

Comprehensive analyzing the investigation result of soil and water conservation practice at 72 small watersheds in the black soil region of northeast China, the criteria of soil loss tolerance and soil loss control has been constituted for the primary soil erosion typical areas.

综合考虑对黑土区内72条小流域水土保持实践的调查结果，初步确定了东北黑土区主要水土流失类型区土壤容许流失量指标及水土保持治理指标。

Slope gradient has many impacts on soil erosion by water and mineral nitrogen loss in an erosion process.

坡度是影响坡面水土流失和土壤养分流失过程的重要因素。