Abstract
Marine nematodes have been considered promising indicators of pollution because of their ubiquity and taxonomic diversity, and it has been suggested that k-dominance curves might be the best way of presenting such data in graphical form. The meiofaunal nematode populations in mangrove mud-flats adjacent to the steel works and chemical factories in the Hunter River Estuary in Australia have been analysed in this way and compared with populations in unpolluted mud-flats nearby. Surprisingly, the polluted areas appeared more diverse taxonomically, though seasonal variations in population density and other environmental factors complicate the comparison.
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