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… ‘upstream’ and finds an anthropocentric reason – land use, pollution, abstraction, livestock, introduced species, or … and may also drive disease emergence. Air, water, light, noise and thermal pollution must also be considered as … may be employed. Risk assessments should be revised in the light of new data or changing circumstances. The Ramsar …

… of territorial aggression between the two species came to light in a Swedish study (Fabricuus et.al. 1974). However, no … on protection of the environment, such as certain types of pollution. In addition, with reference to the polluter-pays …