Maps & Graphics
Global anthropogenic inputs of trace metals to aquatic ecosystems 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 aquatic ecosystems at the beginning of the 1980s Numbers under the columns are the range of estimates of the inputs in thousands of tonnes per year
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)