Abstract
An investigation on environmental background values was made in an area of about 1,140,000 km2, which included temperate and subtropical zones of China. The environmental background values of 142 soil environment units, 18 main soil types, 87 surface water environment units, 8 aquatic organism environment units and 20 underground water environment units were obtained. The rules, causes and effecting factors of regional differentiation of the environmental background values were deduced from over 200,000 various data.
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This paper was written based on the General Research Report on Investigation of Environmental Background Values (one of the National Scientific Research Programs). The investigation was a comprehensive research program and was finished by China National Environmental Monitoring Centre in co-operation with several research institutes and universities.
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Miao, T., Wang, H. & Zheng, C. Studies on environmental background values in China. Chinese Geographical Science 1, 306–315 (1991). https://doi.org/10.1007/BF02664479
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DOI: https://doi.org/10.1007/BF02664479