Consecutive sexual maturation observed in a rock shell population in the vicinity of the Fukushima Daiichi Nuclear Power Plant, Japan

Abstract In 2012, after the accident at the Fukushima Daiichi Nuclear Power Plant (FDNPP) that followed the Tohoku earthquake and tsunami in March 2011, no rock shell (Thais clavigera; currently recognized as Reishia clavigera; Gastropoda, Neogastropoda, Muricidae) specimens were found near the plan...

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Autores principales:	Toshihiro Horiguchi, Kayoko Kawamura, Yasuhiko Ohta
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/24b0d991fecb493c92b2b1b530dcaec9
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spelling	oai:doaj.org-article:24b0d991fecb493c92b2b1b530dcaec92021-12-02T15:22:56ZConsecutive sexual maturation observed in a rock shell population in the vicinity of the Fukushima Daiichi Nuclear Power Plant, Japan10.1038/s41598-020-80686-32045-2322https://doaj.org/article/24b0d991fecb493c92b2b1b530dcaec92021-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-80686-3https://doaj.org/toc/2045-2322Abstract In 2012, after the accident at the Fukushima Daiichi Nuclear Power Plant (FDNPP) that followed the Tohoku earthquake and tsunami in March 2011, no rock shell (Thais clavigera; currently recognized as Reishia clavigera; Gastropoda, Neogastropoda, Muricidae) specimens were found near the plant from Hirono to Futaba Beach (a distance of approximately 30 km). In July 2016, however, rock shells were again found to inhabit the area. From April 2017 to May 2019, we collected rock shell specimens monthly at two sites near the FDNPP (Okuma and Tomioka) and at a reference site ~ 120 km south of the FDNPP (Hiraiso). We examined the gonads of the specimens histologically to evaluate their reproductive cycle and sexual maturation. The gonads of the rock shells collected at Okuma, ~ 1 km south of the FDNPP, exhibited consecutive sexual maturation during the 2 years from April 2017 to May 2019, whereas sexual maturation of the gonads of specimens collected at Hiraiso was observed only in summer. The consecutive sexual maturation of the gonads of the specimens collected at Okuma might not represent a temporary phenomenon but rather a site-specific phenotype, possibly caused by specific environmental factors near the FDNPP.Toshihiro HoriguchiKayoko KawamuraYasuhiko OhtaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Toshihiro Horiguchi Kayoko Kawamura Yasuhiko Ohta Consecutive sexual maturation observed in a rock shell population in the vicinity of the Fukushima Daiichi Nuclear Power Plant, Japan
description	Abstract In 2012, after the accident at the Fukushima Daiichi Nuclear Power Plant (FDNPP) that followed the Tohoku earthquake and tsunami in March 2011, no rock shell (Thais clavigera; currently recognized as Reishia clavigera; Gastropoda, Neogastropoda, Muricidae) specimens were found near the plant from Hirono to Futaba Beach (a distance of approximately 30 km). In July 2016, however, rock shells were again found to inhabit the area. From April 2017 to May 2019, we collected rock shell specimens monthly at two sites near the FDNPP (Okuma and Tomioka) and at a reference site ~ 120 km south of the FDNPP (Hiraiso). We examined the gonads of the specimens histologically to evaluate their reproductive cycle and sexual maturation. The gonads of the rock shells collected at Okuma, ~ 1 km south of the FDNPP, exhibited consecutive sexual maturation during the 2 years from April 2017 to May 2019, whereas sexual maturation of the gonads of specimens collected at Hiraiso was observed only in summer. The consecutive sexual maturation of the gonads of the specimens collected at Okuma might not represent a temporary phenomenon but rather a site-specific phenotype, possibly caused by specific environmental factors near the FDNPP.
format	article
author	Toshihiro Horiguchi Kayoko Kawamura Yasuhiko Ohta
author_facet	Toshihiro Horiguchi Kayoko Kawamura Yasuhiko Ohta
author_sort	Toshihiro Horiguchi
title	Consecutive sexual maturation observed in a rock shell population in the vicinity of the Fukushima Daiichi Nuclear Power Plant, Japan
title_short	Consecutive sexual maturation observed in a rock shell population in the vicinity of the Fukushima Daiichi Nuclear Power Plant, Japan
title_full	Consecutive sexual maturation observed in a rock shell population in the vicinity of the Fukushima Daiichi Nuclear Power Plant, Japan
title_fullStr	Consecutive sexual maturation observed in a rock shell population in the vicinity of the Fukushima Daiichi Nuclear Power Plant, Japan
title_full_unstemmed	Consecutive sexual maturation observed in a rock shell population in the vicinity of the Fukushima Daiichi Nuclear Power Plant, Japan
title_sort	consecutive sexual maturation observed in a rock shell population in the vicinity of the fukushima daiichi nuclear power plant, japan
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/24b0d991fecb493c92b2b1b530dcaec9
work_keys_str_mv	AT toshihirohoriguchi consecutivesexualmaturationobservedinarockshellpopulationinthevicinityofthefukushimadaiichinuclearpowerplantjapan AT kayokokawamura consecutivesexualmaturationobservedinarockshellpopulationinthevicinityofthefukushimadaiichinuclearpowerplantjapan AT yasuhikoohta consecutivesexualmaturationobservedinarockshellpopulationinthevicinityofthefukushimadaiichinuclearpowerplantjapan
_version_	1718387374112636928

Consecutive sexual maturation observed in a rock shell population in the vicinity of the Fukushima Daiichi Nuclear Power Plant, Japan

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