全球土壤退化评价

近几十年来，随着世界人口的急剧增长，人为活动引起的土壤退化日趋增强，原先局部的、次要的变化已转化为全球性的重大变化，威胁着人类赖以生存的环境。本文阐述了包括中国在内的全球土壤退化类型、退化程度和引起土壤退化的主要人为因素，以便土壤管理者、决策者和实施机构为预测未来变化，防治土壤退化作出决策提供依据。

ASSESSMENT OF GLOBAL SOIL DEGRADATION

ith rapid world population growth,human-induced soil degradation has been accelerated in the past several decades. As a consequence, the previous local and secondary changes have been converted into a major one of global significance,which is seriously threatening environment for human survival. The paper elucidates the types and extent of and causative factors for current global soil degradation, including soil degradation in China. The aim of the study is to provide a basis for soil managers, decision makers and relevant institutions to the prediction of future changes, prevention and control of soil degradation.