What they found was that as hatchery fish are released in larger numbers, wild fish have become less successful, particularly in years when ocean productivity is low.
On May 10th the Central Party School, a hatchery for Beijing's top cadres, will start a pow-wow on the theory and practice of deliberative democracy.
All to no avail, and wild stocks have fallen fastest in streams that received the most attention from hatchery managers.There is one glaring omission, at least to European eyes: the destruction of wild stocks by sea-lice infestations in salmon farms and in Norway the spread of the Gyrodactylus salaris parasite by these same farms is dealt with only in passing.
One chicken hatchery drowned 43,000 baby chicks on television because, its manager said, "it's cheaper to drown 'em than…to raise 'em .The author convincingly argues that Ronald Reagan shares credit with Paul Volcker, who became chairman of the Federal Reserve in 1979, for breaking inflation's back.
But because monitoring and evaluation has been so poor, Oregon's Department of Fisheries and Wildlife which runs some hatchery programmes has no real idea whether the number of adult fish produced by those programmes is worthwhile.
He says that over the past 125 years hatchery fish have been released in the search for a simple solution to the problem of excessive demand on water resources and the damage it has done to fish stocks.
In other words, dirty water doesn't drive away the bivalves; rather a lack of bivalves invites the filth.Don Meritt, a bluff, burly, deeply-tanned PhD waterman who runs the hatchery (and whom everyone university president and beaker-scrubber alike calls Mutt) explains that this is a gross oversimplification, but it contains a grain of truth.
"Vast areas of the Highlands are dependent on the goodwill of very rich people who, in the main, are remarkably generous because they have a strong relationship with the people who work for them," says Mr Cotton.Mr Cotton is a spokesman for the 450-500 ghillies, water bailiffs and hatchery workers employed full-time on estates, plus 650 or so seasonal workers employed on Highland rivers.
