Fish Pass
To allow migratory salmon and sea trout to negotiate the barrage a fish pass with fish counter and viewing area is installed next to the north bank pavilion. Some angling groups argue that the progress of migratory fish is delayed below the barrier as fish have difficulty finding the very narrow entrance to the fish pass and that excessive numbers of foraging seals are taking advantage of this delay and are predating these fish and thus damaging the recovery of salmonids on the Tees. The fish pass still only has provisional approval from the Environment Agency and as an interim measure fish pen stocks are being used on the river and the barrage lock is being operated in such a way as to allow fish to pass. Starting in April 2008 British waterways has commissioned a three-year electronic fish tagging survey to help understand the interactions and relationships between various wildlife at the barrage focusing on seal numbers and salmonid migration.
Read more about this topic: Tees Barrage
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