About 24% of 11.5 billion hectares of vegetated land has already undergone human-induced soil degradation, in particular through erosion, the study says.
报告指出,全球115亿公顷植被生长区中,约有24%已然经历了由人类活动引发的土壤退化,尤其因土壤流失造成退化。
Research about soil erosion and its models are the emphases of study in our country and overseas.
土壤侵蚀及其模型的研究,长期以来一直是国内外学者研究的重点。
Land use change is a core field of the global environmental change study. Soil erosion is accelerated by irrational land use.
土地利用变化是全球环境变化研究的核心领域,不合理的土地利用加速了土壤侵蚀。
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