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… per cubic metre 1 Volume of demand Private gardens Organic farming Wine and fruits Other agricultural uses Greenhouses … Arsenic Chromium Landfill gases:Incineration fumes ... a (dry but) useful approach Particulate matters Dioxins Furans … 2 000 0 Milligram of specific heavy metal per kilogram of dry weight in samples 60 50 20 30 40 10 0 DELHI, India …

… and is an influent stream; such rivers can easily dry up if their flow is reduced (e.g. an irrigation channel … by lowering the groundwater table, causing the wetland to dry out, and could even cause subterranean peat fires. This … river ba- sin from natural vegetation to arable farming and cattle grazing. Removal of the natural vegetation …