Sea lice are causing almost half of wild salmon deaths, a report by Inland Fisheries Ireland has revealed. It is, of course, the aquaculture industry that is at the heart of the problem, and there are fears that unless action is taken to slash those statistics, it will have a serious effect on salmon fishing. The parasites could cause some fisheries to close if conservation targets are not met, the report says. There is also the real danger of rivers with only small populations of fish being hit by a loss of genetic diversity. Full story here.