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early warning on ecosystem safety
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  生态系统安全性的预警预测
     A series of elementary abnormity influencing ecological safety of drainage basin was also found in this survey. Furthermore, tracing elementary abnormity, discriminating the cause of formation, assessing the ecological efficiency, and forecasting and early warning on ecosystem safety and so on are going to be carried on for regional eco-geochemical assessment aimed at the trait of elementary abnormity distribution.
     调查还发现了一系列影响流域生态安全性的元素异常,针对异常元素分布特征,区域生态地球化学评价将开展异常元素追踪和成因甄别、生态效应评价和生态系统安全性的预警预测等项评价和研究工作。
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  相似匹配句对
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     人体的预警信号
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Ecological geochemical assessment is not only a new academic subject, but also one of the interdisciplinary approach involving geology, agrology, agriculture, environment science and ecology etc. It is a new developing direction in the area of geochemistry. Based on regional geochemical survey, ecological geochemical assessment was carried out to assess the elementary abnormity which influences the valley/region ecosystem safety. Vast and precise geochemical data obtained by multi-purposes regional geochemical...

Ecological geochemical assessment is not only a new academic subject, but also one of the interdisciplinary approach involving geology, agrology, agriculture, environment science and ecology etc. It is a new developing direction in the area of geochemistry. Based on regional geochemical survey, ecological geochemical assessment was carried out to assess the elementary abnormity which influences the valley/region ecosystem safety. Vast and precise geochemical data obtained by multi-purposes regional geochemical survey can supply the background value for environmental quality assessment, and provide geochemical base for soil quality and ecological management and protection. A series of elementary abnormity influencing ecological safety of drainage basin was also found in this survey. Furthermore, tracing elementary abnormity, discriminating the cause of formation, assessing the ecological efficiency, and forecasting and early warning on ecosystem safety and so on are going to be carried on for regional eco-geochemical assessment aimed at the trait of elementary abnormity distribution. In this paper, the results and conclusions of regional geochemical survey were summarized, and the sketch of regional geochemical assessment was introduced. The main problems and their countermeasures for regional eco-geochemical assessment were also discussed.

生态地球化学是地学与土壤学、农业、环境学和生态学等多学科交叉融合产生的新学科,是地球化学领域新的发展方向。区域生态地球化学评价是在区域地球化学调查基础上,针对影响流域/区带生态系统安全性的元素异常而开展的一项评价和研究工作。多目标区域地球化学调查获得的海量高精度地球化学数据,可为环境质量评价提供背景值、为土地的质量和生态管护提供地球化学依据;调查还发现了一系列影响流域生态安全性的元素异常,针对异常元素分布特征,区域生态地球化学评价将开展异常元素追踪和成因甄别、生态效应评价和生态系统安全性的预警预测等项评价和研究工作。文章论述了区域地球化学调查成果,介绍了区域地球化学评价的思路,阐述了区域生态地球化学评价的主要问题与对策。

 
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