Graham Young
Senior Member
Habitat improvement would be a start, but you're right it would be a long term project, then again otters have been around a while now so you'd hope their numbers would be stabilizing after the initial reintroduction programs. Maybe a good restocking of fish, but that'll need to dependent on habitat improvements for it to be worth while I'd imagine.
There are successes, albeit big Salmon rivers, such as the Tyne and Tweed, and the Wye Usk foundation have done great work. Ok they have Salmon money to chuck at it but it shows what can be done, they all have otters, and the Wye has a healthy population of coarse fish.
The rivers you mention that are a success are large rivers that in all probability have always had their own population of Otters before any reintroductions, because of their territorial nature I doubt any reintroduced otters settled near these already established populations meaning they had to move to other areas/rivers.
I am all for habitat improvement but there has to be a viable population of fish in a river for the improvement to have any effect on fish populations,
Hoping that Otter numbers have stabilized will do nothing to help the situation that some small rivers are in right now, I doubt that they have stabilized.
Restocking IMO would be just feeding the otters and encouraging the survival of more otters, where are the massive numbers of fish needed for restocking to come from? who will pay for this restocking?
You say if other problems were put right then otters would not be a problem, the other problems are not going to be put right overnight they will take years to sort out if they ever are, it is estimated that it will take 47 to 52 billion pounds to uprate all water treatment plants in England and Wales to be able to remove all estrogens from our waters who will pay?
The long term solutions are very laudable but the problem needs something doing NOW and that something is IMO controlling otters, who knows perhaps the estrogens in our waters will reach such a level that the breeding capability of otters will hopefully be affected although I fear its already to late for some small rivers.