Restocking Eel - an Appraisal of the Effects on Fish, Stock and Fishery
Past research focused on technical issues (transport, packaging and holding), on effectiveness of restocking (survival, growth), and on production maximisation (density, frequency, recipient habitats). Following the adoption of the Eel Regulation, the contribution of restocked eels to the spawning stock has been questioned, and research now focuses on the condition of silver eels and their ability to migrate successfully to the spawning place.
Our review of restocking and related research covers aspects of biological effectiveness and stock dynamics, both from a regional and a population-wide standpoint. Does restocking contribute to the local stock, to the spawning population, and what net benefit is obtained by relocation?
Our aim with this review is to provide a thorough basis for the heavily politicised discussions on restocking issues.