Environmental Issues

Introduced fish species

Many fish from other parts of the world, including the brook trout and the zander, have been introduced into our waters, with mixed results and occasionally amidst controversy. Introduced fish are a ‘subject guaranteed to raise heated arguments among freshwater anglers. Some are against the introduction of any foreign fish, arguing that new diseases and …

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Warm water effluent fishing

Piped water, especially from industrial cooling installations, often brings a temperature increase which improves weed growth, providing a steady summer-temperature environment which is considerably less affected by the onset of cold weather. Here, fish will often feed locally when hostile water and temperature conditions elsewhere have put them off. In one or two highly localized …

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