广东沿海红土的环境问题及其原因分析

采用自然科学和社会科学相结合的方法 ,以野外调查、室内分析和社会经济和环境污染资料等大量数据为基础 ,研究了广东沿海红土的若干环境问题。研究结果表明 ,广东沿海存在着 3大红土环境问题 :红土的土壤退化与污染、土壤侵蚀和土壤综合环境灾害系列。除了红土本身物理、化学性质和矿物组成等内在因素之外 ,红土环境问题的外部主要触发主因素是气候气象因素和人类活动因素。人为活动因素是当今红土环境问题恶化和加剧的主导因素。

Environmental Problems of Red Soil and Its Reasons Along Coa st of Guangdong Province

This study employs both natural and social sciences methods. Based on a series of data collected by the field investigation, analysis in laboratory and social economic data, the environmental problems and its main influencing factors along the coast of Guangdong province was discussed. The results indicate that red soil environment in the coast had 3 important problems,which were soil degradation and pollution, soil erosion and soil hazard,the main influencing factors were the physical and chemical properties and mineral composition of red soil, climate and meteorologic changes and man made activities. The human activity was result in deterioration in red soil environment today.