21st Century salmon

As Alaska struggles to maintain commercial productivity in its most-valuable, wild-salmon fisheries,  competition in the fish market is looming on every horizon. Land-based salmon farms are popping up in odd places across the U.S., and the Norwegians and the Chinese are teaming to take salmon farming to new heights or, more accurately, new depths offshore.  China.org today reported the first delivery of a deepwater, “intelligent offshore farm” to the Norwegian company SalMar ASA. “Ocean Farm 1” is designed to be positioned in water 300 to 600 feet deep where currents can sweep it clean in four dimensions while computers monitor its performance. “It is the world’s first offshore salmon farming equipment built on the same principle as semisubmersible installations used in the offshore oil and gas drilling sector,” the Chinese national website said.,, Open-ocean fish farms have been touted as one path to greening a business sometimes blamed for polluting protected bays and coves with fish waste. click here to read the story  08:38