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A river corridor survey is a method for assessing the ecological value of river corridor systems, the vegetation found, the presence of non-native or invasive species, and the identification of any constraints to development.
River corridor surveys help to assess the potential of the river to support protected species such as bats, otters, water voles and white-clawed crayfish. Developments must take into consideration all river courses and any potential for downstream pollution, sedimentation and alteration of natural water flow.
A river corridor survey includes detailed mapping of instream and riparian habitats, flow types and physical features.