> Dave Robichaud wrote:--------------- > >I keep hearing pro-fishing lobbyists saying "sure we fish 'em down > pretty hard, but there's never actually been a species that was fished > to extinction." > > >Does anyone know if this is true? Have there been any species which > were actually fished to death? > > >curious,------------------------------------- > > I suspect that nobody really knows the answer to this question since > nobody has a real good handle on the abundance of each species that > lives under the sea. And it would probably be difficult to separate > the effects of fishing out from other factors. But we can look at the > probabilities... > > For example, marine mammals have probably been amongst the most > heavily fished species in the sea, in relation to their > life-histories, and are probably amongst the best known marine species > in terms of abundance estimation, so you should be able to get some > idea about the likelihood of fishing-induced marine extinction from > this "most vulnerable" end of the marine spectrum.. > > In general, it seems to be habitat encroachment and alteration that > administer the real killer blows to wild populations. Look at the > history of recent species extinctions on land:- what proportion can be > fully laid at the door of hunting, and how many due to loss of > habitat? Thankfully mankind appears to have had much less of an impact > on marine than on the terrestrial habitats so far. > > Things are changing, and predation by an increasingly hungry mankind > certainly doesn't improve the resilience of marine biota in coping > with these changes, particularly when some of the fishing methods in > use may change habitats themselves. But we would be wise to pay > considerably more attention to terrestrially-originating marine > habitat changes than we do at present, if we REALLY want to try and > prevent future marine extinctions. Fishing communities have become a > convenient scapegoat for a problem that is much broader in scope. > > By the way, I am not a "pro-fishing lobbyist" (at least not many > fishermen I know would call me that), any more than Dave Robichaud's > choice of people-descriptors puts him into the "anti-fishing" lobby. > If this discussion develops further, I hope that we will all remember > that we are subscribing to this list because we are "fish-ecologists". > > ---------- > Tim Adams - Integrated Coastal Fisheries Management Project > South Pacific Commission > BP D5 - 98848 Noumea Cedex - New Caledonia > [log in to unmask] > ---------- > >
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