slope of the surfacedegree of erosionsierozems (Calcisols)meadow-sierozemic soils (Gleyic Calcisols)light gray-cinnamonic soils (Haplic Kastanozems)The main types of soil degradation in the Kura-Aras Lowland are irrigation-induced erosion, natural water and wind erosion, and salinization. Among ...
Plants help to prevent soil erosion. What is the main function of plants in this case? A. protect the environment B. provide food C. release oxygen D. beautify the scenery 相关知识点: 试题来源: 解析 A。植物防止土壤侵蚀,主要是起到保护环境的作用。选项 B“provide food”是提供食物;选项 C...
The main geological hazards in Guangdong Province include rock fall,landslide,debris flow,land collapse,land subsidence,ground crack and soil erosion.Among them,rock fall,landslide,debris flow and land collapse are the main types of geological hazards,which located at the mountainous and hilly area ...
In many parts of Africa, soil erosion is an important problem, which is evident from high sediment yields in tropical montane streams. Previous studies in Kenya pointed to a large contribution from catchments cultivated by smallholder farmers. This led to the hypothesis that unpaved tracks and gul...
Fast population growth, per capita arable land continue to decline, serious soil erosion, agricultural products quality issue has always been the main factors restricting the development of agriculture in China. 翻译结果4复制译文编辑译文朗读译文返回顶部 正在翻译,请等待... 翻译结果5复制译文编辑译文朗读...
Research on Sensitivity Asessment of Soil Erosion based on 3S in Yuxi; 基于3S的玉溪市土壤侵蚀敏感性评价研究 2. Characteristic and Formation Condition Analysis of Mountain Torrents Geological Hazard of Yuxi Yunnan Province; 玉溪市山洪地质灾害特征及形成条件分析 3. To protect Fuxianhe lake becomes ...
6)mountain meadow soil, and (7) wind erosion sandy soil; while in the exchangeable Mg are: (1) saline soil, (2) paddy soil, (3) wind erosion sandy soil, (4) purple soil, (5) mountain yellow soil, (6)yellow-red soil, (7)lateritic soil, red soil, and (8)mountain meadow soil....
As the largest natural secondary forest-covered region in the LPC, the Ziwuling Mountains play an important role in the control of soil erosion and climatic regulation in Northwest China. Betula platyphylla, which is a species of deciduous hardwood, is widely distributed in mid-high mountains of...
缓解洪水危机的根本措施是植树造林、保护湿地、控制水土流失。 ⑴Protection ecology, urgent.The ecology destruction is one of flood crisis prime culprits.The alleviation flood crisis basic measure is the afforestation, the protection wetland, the conservation of soil and water.[translate]...