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2014-07. What seafood guzzles the most gas?

posted Jul 26, 2014, 6:40 AM by Alan Gould
For GSS Losing Biodiversity chapter 7, Energy Use chapter 10. Excerpt: ...diesel is the single largest expense for the fishing industry and its biggest source of greenhouse gases. Not all fish have the same carbon finprint, however, and a new study reveals which ones take the most fuel to catch. Robert Parker, a Ph.D. student at the University of Tasmania, Hobart, in Australia, and Peter Tyedmers, an ecological economist at Dalhousie University in Halifax, Canada, analyzed more than 1600 records of fuel use by fishing fleets worldwide. They ... reported online this month in Fish and Fisheries. 7. Sardines: 71 liters ...Icelandic herring and Peruvian anchovies are the least fuel-intensive industrial fisheries known, caught with just 8 liters of fuel per ton of fish. 6. Skipjack tuna: 434 liters ...5. Scallops: 525 liters ...4. North American salmon: 886 liters ...3. Pacific albacore: 1612 liters ...2. Sole: 2827 liters ...1. Shrimp and lobster: 2923 liters ...How does wild seafood compare with other kinds of animal protein? The median fuel use in the fisheries is 639 liters per ton. In terms of climate impact, that’s equivalent to a bit more than 2 kilograms of carbon dioxide emitted for each kilogram of seafood landed. Chicken and farmed salmon and trout are roughly the same, but beef is significantly higher at 10 kg of carbon dioxide per kg of live animal. “If you’re looking at having a green diet, you want to transition away from beef,” Parker says.... http://news.sciencemag.org/climate/2014/07/what-seafood-guzzles-most-gas. by Erik Stokstad, Science.