Studies show that ski runs increase erosion and destroy plant life beyond simply the growth cut down for the runs ; they can also cause permanent damage to topsoil and plants beneath the surface .

研究表明，滑雪道对植物的侵蚀和破坏不仅是砍伐它们、开辟坡道那么简单；它还会对 表层 土和地表以下的植物造成永久性破坏。

Worse still the annual torrential rains washed the topsoil from the hillside .

更糟的是，每年都有暴雨把 浮土从山坡上冲走。

A Study of Topsoil Organic Carbon Concentration and Density under Different Land Use in West River Basin Guangdong Province

不同土地利用形式下 表土有机碳含量和密度特征的研究

The loss of trees upsets the ecosystem as trees are necessary to build topsoil maintain rainfall in dry climates purify underground water and to convert carbon dioxide to oxygen .

毁掉树木也就破坏了生态环境，因为树木可以维持 表层 土壤，保证干旱气候地带的降雨量，净化地下水，并将二氧化碳转化为氧气。

Heavy rains washed the topsoil away . Deforestation causes erosion .

大雨把 表层 土冲蚀掉了滥伐造成（土地的）冲蚀。

Study on Partical Size Variation of Topsoil under Different Land Use in Horqin Sandy Land

科尔沁沙地不同土地利用状态下 表土粒度变异研究

Effect of Different Conservation Tillage Measures on Maize Topsoil Fertility in Cold Windy and Sandy Areas in Northeast China

东北冷凉风沙区不同保护性耕作措施对玉米 耕层 土壤肥力水平的影响

Floods can remove fertile topsoil and begin a process resulting in the loss of planting areas .

洪水可以带走肥沃的 表土 层，最终导致种植区域的损失。

This causes environmental damage when the topsoil is washed away by the rains .

雨水冲走 表层 土壤会造成环境破坏。

Changes of topsoil bulk density and saturated hydraulic conductivity under infiltration condition of water storage pit

蓄水坑入渗 表层 土壤体积质量和饱和导水率的变化

The fragile land quickly lost its topsoil and became nothing but sand and dust .

那单薄的土地很快就失去了 表土，成为沙粒和尘埃。

According to scientists it takes nature 500 years to create an inch of topsoil .

根据科学家们的看法，自然界要用500年的时间才能创造一英寸的 表层 土壤。

The loose heaped ground method of soil reconstruction on the platform can avoid the topsoil to be compacted and greatly increase rainwater infiltration and disperse surface run off .

排土场平台“堆状地面”土壤重构方法避免了 表层 土壤压实，并最大限度地增加了水分入渗和分散了地表径流，是解决上述问题的有效途径。

He ordered tons of fertile topsoil to cover the grounds to a depth of five feet and full-grown specimens of the plants were trucked up the mountain for planting .

他定购了成吨肥沃的 表层 土，覆盖地面达5英尺深，把这些植物长好的样品用卡车运到山上种植。

Characteristics of Cropland Topsoil Organic Carbon Dynamics Under Different Conservation Tillage Treatments Based on Long-term Agro-ecosystem Experiments Across Mainland China

保护性耕作下农田 表土有机碳含量变化特征分析&基于中国农业生态系统长期试验资料

The layer of soil between the topsoil and bedrock .

位于 上层 土和岩床之间的一层 土壤。

It would appear that the inputs are insufficient to offset the mobilization and leaching of calcium from the topsoil .

钙的 转入量看来不足以补偿从 表土中活化和淋失的钙。

The spatial variability of soil organic matter and phosphorous content was larger than that of the other nutrient in topsoil of artificial forestland .

人工林 表 层 土壤养分中有机质和速效磷的空间变异性较大；

Research of changing characteristics and control factors of farmland topsoil organic carbon in China

中国农田 耕层 土壤有机碳变化特征及控制因素

We calculated particle-size parameters using Moment law computation to study topsoil particle-size distribution of the Mo Us Desert .

通过对毛乌素沙地 表土粒度测定，采用矩法计算粒度参数，研究毛乌素沙地的 表土粒度特征。

Topsoil particle-size distribution and its spatial variation in Mo Us Desert Uranium fills interstitial space .

毛乌素沙地 表土粒度特征及其空间变异铀充填在颗粒间的空间。

Under flood conditions great amounts of topsoil are washed to receiving streams .

在洪水泛滥时，大量 表层 土壤被冲刷到承受的水流中。

The topsoil has been almost completely washed away .

表土已差不多完全给冲走了。

Dust storms occur when intense grazing strips pastureland of new growth leaving the topsoil vulnerable to winds .

当密集的放牧导致新长好的牧草被啃光，让 地表 土容易被风刮走，沙尘暴就发生了。

If the vegetation is damaged on account of the mining or construction measures must be taken to rehabilitate the topsoil and vegetation thereby preventing soil erosion .

因采矿和建设使植被受到破坏的，必须采取措施恢复 表 土层和植被，防止水土流失。

The storms cause respiratory illness destroy crops and blow away precious topsoil .

沙尘暴引发呼吸道疾病、毁坏庄稼，并吹走了宝贵的 地表 土。

If the topsoil is taken away by erosion plants can no longer grow in the soil left behind .

如果因水土流失而冲掉了 表土，植物不能再在留下的土壤中生长。

Study on the Spacial Variability of Topsoil Heavy Metal of Dongguan City

东莞市 土壤重金属含量的空间变异性研究

A thin layer of topsoil was swept away .

薄薄的一层 表土被冲走了。