According to National Institute for Environmental Studies, thais clavigera became entirely extinct in 30km South and North from Fukushima nuclear plant. [...]
It’s still found in other locations of Japan.
Mr Horiguchi from National Institute for Environmental Studies comments it can’t be explained merely by Tsunami. They need to investigate other reasons including radiation effect.
Wikipedia: “This species has been found to be useful as an indicator of the environmental contamination levels of arsenic, copper, and zinc.”
Published: March 31st, 2013 at 11:57 am ET