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If cormorants discover a water suitable for feeding, and they remain undisturbed, they may cause serious damage to fish stocks. A number of techniques are available to fishery managers who want to deter the birds from visiting a fishery, ranging from regular human presence to stock management and fish refuges. It may not be possible to try some, or indeed any, of these ideas at a particular site, but any subsequent application to shoot birds will depend upon evidence being given that scaring was attempted, or that other methods were impractical. |
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Habitat management