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… ‘upstream’ and finds an anthropocentric reason – land use, pollution, abstraction, livestock, introduced species, or … ecosystems, owing mainly to ongoing drainage, conversion, pollution and over- exploitation of their resources. Many of … people, agriculture including aquaculture, and industry; � Pollution from the above; � Sites providing interfaces …

… on protection of the environment, such as certain types of pollution. In addition, with reference to the polluter-pays …