Global anthropogenic inputs of trace metals to soils at the beginning of the 1980s Numbers under the columns are the range of estimates of the inputs in thousands of tonnes per year

Global anthropogenic inputs of trace metals to soils at the beginning of the 1980s Numbers under the columns are the range of estimates of the inputs in thousands of tonnes per year

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Language:
English
Updated:
02/12/2007 22:31:07
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58KB

Published: 2007-11-20

Sources: Title (cont.) The percentages shown by the bars are calculated using the maximum value of the range of the total and individual source category estimates. after: Nriagu, J.O. and J.M. Pacyna, 1988. Quantitative assessment of worldwide contamination of

Region: global

Edited_by: [email protected]

Cartographer / Designer: Graphical production: Philippe Rekacewicz and Emmanuelle Bournay (GRID-Arendal)