摘要
在以生态系统为单元,以来源—成因—迁移转化—生态效应—预测预警为主线进行生态地球化学评价的过程中,应进一步突出多目标区域地球化学调查的基础地位和地质地球化学背景特征研究。地球化学异常是生态地球化学评价的主体对象,充分挖掘与利用区域地球化学资料为农业、环境、资源服务是评价的目标,地质背景因素分析是生态地球化学评价的重要手段。
This paper indicates that regional geochemical survey and geological-geochemical background research are the foundation for eco-geochemical assessment which focuses on element origin, genesis,migration,transformation,ecological effects and its forecasting and early warning within each ecosystem. Geochemical anomalies are the main indicator for eco-geochemical assessment. Application of regional geochemical data on agriculture, enviornment and resources is the key target of assessment. Geological background analysis is the important method for eco-geochemical assessment.
出处
《资源调查与环境》
2007年第2期79-84,共6页
Resources Survey & Environment
关键词
地学
生态地球化学
评价
geosciences
ecological geochemistry
assessment
