The negative effects of releasing fish and the possible fragmentation of natural fish stocks in connection with hydropower regulations may be fewer than at first feared, says the Norwegian School of Veterinary Science.
Chilean production of Atlantic salmon in 2010 was less than half of the levels registered in previous years. The available figures for harvests show that up to November 2010 there was a 54 per cent reduction in aquaculture output, reports Globefish.
