As with all ecosystems, river systems involve a complex interaction of a rich diversity of micro-organisms, plants and animals with their physical and chemical

Some pioneers in soil research such as Müller and Kubiëna were as much biologists as they were soil scientists and the legendary biologist Charles Darwin was

Examining tissue residues of contaminants in biota reveals the movement of contaminants within organisms and through food chains as well as the context for unde

The presence of concentrations of organic substances and cations in sea water is a matter of increasing concern to the water industry, environmentalists and the