Via: Mercury News
Posted: 03/19/2013 06:18:46 AM PDT
A nuclear disaster may lead to insights into the mysterious migrations of Pacific bluefin tuna, a fish species that recently has suffered a dramatic decline.
Scientists report in a new study that they can use trace amounts of radiation in bluefin tuna to sketch the crisscrossing passage of the fish through the world’s largest ocean. Understanding how many fish move back and forth may help with the conservation of bluefin tuna.
During the Fukushima nuclear disaster, two years ago, radioactive particles flooded into the Pacific Ocean. Bluefin tuna swimming through these waters began to store certain radioisotopes, called cesium 134 and cesium 137, in their muscle tissue.
The low levels of these particles don’t pose a health danger to either the fish or sushi eaters, said Daniel Madigan, a Stanford University graduate student and an author on the study in the journal Environmental Science & Technology. But scientists can track the chemical mark of Fukushima to recreate a timeline of when bluefin tuna traveled from their spawning grounds, in waters around Japan, to the coast of North America.
Read more: here
This must be glass half full? Are you fricking nuts?
We can tell where this tuna went, but you better not eat it…