Skip to main page content
Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2015 Nov;206:159-62.
doi: 10.1016/j.envpol.2015.06.013. Epub 2015 Jul 8.

Radioactive Contamination of Nest Materials of the Eurasian Tree Sparrow Passer Montanus Due to the Fukushima Nuclear Accident: The Significance in the First Year

Affiliations

Radioactive Contamination of Nest Materials of the Eurasian Tree Sparrow Passer Montanus Due to the Fukushima Nuclear Accident: The Significance in the First Year

Shin Matsui et al. Environ Pollut. .

Abstract

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), where the levels of 2011 were higher than those of 2012. Further, the amount of radioactive Cs in each nest increased with the increase in nest weight, with a higher increment at Ibaraki than at Tokyo. These data suggested higher nest contamination levels in the breeding season directly after a nuclear accident than in later seasons, and an increment of nest contamination levels via nest materials of birds.

Keywords: Ambient dose rate; Bird nest; Cesium concentration; Fukushima Daiichi nuclear power plant.

Similar articles

See all similar articles

Publication types

Substances

LinkOut - more resources

Feedback