| radioactive contamination of nest materials of the eurasian tree sparrow passer montanus due to the fukushima nuclear accident: the significance in the first year. | the 2011 fukushima nuclear accident contaminated large areas of eastern and northeastern japan, releasing vast amounts of radiation. here we investigated radioactive contamination of the nest materials of the eurasian tree sparrow passer montanus from the breeding season of 2011 directly after the accident to the next breeding season of 2012 at two sites. in tokyo (222 km southwest of the plant), ambient dose rates in the nestboxes were lower than those in ibaraki (175 km southwest of the plant) ... | 2015 | 26162335 |