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Freshwaters provide valuable habitat and important ecosystem services but are threatened worldwide by habitat loss and degradation. In Southeast Asia, rainforest streams are particularly threatened by logging and conversion to oil palm, but we lack information on the impacts of this on freshwater environmental conditions, and the relative importance of catchment versus riparian‐scale disturbance....
Over 250 years of metal smelting in Swansea (South Wales) left metal-rich slag across the Nant-y-Fendrod valley floor and aerial metal pollution over the wider landscape. Reclamation since 1965 included: (1) partial removal of spoil, flattening the rest and capping it with topsoil, (2) culverting watercourses and creation of two flood-relief lakes and (3) revegetation of the aerially polluted landscape...
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