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Stocking Salmon

Generally there is little to be gained by stocking progeny of wild-caught salmon and sea trout unless fish are transferred from areas of abundant spawners to supply tributaries that are heavily impacted by hydro electricity generation.

However, there may be the potential to use stocking as a conservation tool to protect population in which numbers of spawners are extremely low, as may be the case in some tributaries that rear spring salmon. In such cases, it is predicted that redistribution of eggs from localised spawning sites may increase the overall production of smolts by enhancing dispersal and reducing local density-dependent mortality. This prediction has been tested experimentally in the Girnock Burn on the River Dee and the results of the work have been submitted for publication.