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pacpost : fish   36

The Poke Paradox
"Salmon and tuna are the two most plated fin fish on earth. The majority of salmon we eat is farmed, and though nearly one third of global salmon farms now have some sustainability certification, the biggest operations, such as Mowi in Scotland, Cermaq in British Columbia, and AgroSuper in Chile, have enormous environmental footprints and have been linked to coastal pollution problems, stemming from too much fish waste and an overuse of pesticides and other chemicals."

"The Hawaiian longline industry problems don’t end there. It’s been plagued by accusations of inhumane work and living conditions for the migrant laborers — most of which are from Southeast Asia. Although recent innovation in longline fishing have reduced bycatch (and eventual death) of sharks, turtles, and marine mammals, those problems remain rampant in some territories. That’s what happens when you cast a five-mile longline, strung with thousands of hooks or bolts, and why Seafood Watch has given just one longline fishery a yellow rating. All others are red rated."
fish  food  britishcolumbia  farming  pollution  environment 
6 weeks ago by pacpost
A scrapped IPO offers a raw look at China’s rampant overfishing of tuna - Quartz
"In fact, China Tuna’s prospectus says that Beijing has never contacted—let alone punished—Chinese fishing companies for their chronic illegal overfishing. It also claimed that international fishing limits apply only to China as a country, not to its fishing boats operating around the world, and that the regional organizations that oversee the limits have no power to sanction violators.

That’s why, says China Tuna’s draft prospectus, it plans to carry on in the Pacific and Atlantic in “substantially the same manner as we presently operate”—i.e. without concern for catch limits."
china  fish  environment  finance  crime 
november 2014 by pacpost
New Model for Aquaculture Takes Hold Far from the Sea by : Yale Environment 360
"The way our plant works is basically that there are a series of five different rooms, and in each room there is a series of tanks that get considerably larger to match the growth of the fish. And each tank or group of tanks is linked to a filtration system that utilizes a combination of physical filtration, as well as biological filtration, to remove the dissolved metabolites from the fish. The fish excrete ammonia into the water and the bacteria basically take that and turn it into a non-toxic form and ultimately bacteria put it back into nitrogen gas in the environment. It utilizes very little water and the waste products are recovered, so there’s almost no waste in the water leaving the facility."
water  business  fish  agriculture  work 
june 2011 by pacpost

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