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Recovery of rocky intertidal zonation: two years after the 2011 Great East Japan Earthquake

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/66337

Title: Recovery of rocky intertidal zonation: two years after the 2011 Great East Japan Earthquake
Authors: Noda, Takashi Browse this author →KAKEN DB
Iwasaki, Aiko Browse this author
Fukaya, Keiichi Browse this author
Keywords: benthos
distribution
disturbance
earthquake
rocky intertidal
seaweed
subsidence
tsunami
zonation
Pacific coast
Issue Date: Dec-2016
Publisher: Cambridge University Press
Journal Title: Journal of the Marine Biological Association of the United Kingdom
Volume: 96
Issue: 8
Start Page: 1549
End Page: 1555
Publisher DOI: 10.1017/S002531541500212X
Abstract: To assess the course and status of recovery of rocky intertidal zonation after massive subsidence caused by the 2011 Great East Japan Earthquake, from 2011 to 2013 we censused the vertical distribution of 10 dominant macrobenthic species (six sessile and four mobile species) in the mid-shore zone of 23 sites along the Sanriku coastline, 150-160 km north-northwest of the earthquake epicentre, and compared the vertical distributions of each species with their vertical distributions in the pre-earthquake period. The dynamics of rocky intertidal zonation varied substantially among species. Among sessile species, one barnacle dramatically increased in abundance and expanded its vertical range in 2011, but then decreased and completely disappeared from all plots by 2013. Zonations of other sessile species shifted downward following the subsidence in 2011. With some species, there was no clear change in abundance immediately after the earthquake, but they then began to increase and move upward after a few years; with other species, abundance continuously decreased. There was no clear change in the vertical distribution of any of the mobile species immediately after the earthquake. Abundance of two mobile species was unchanged, but abundance of the others decreased from 2012 and had not recovered as of 2013.
Rights: This article has been published in a revised form in Journal of the Marine Biological Association of the United Kingdom http://dx.doi.org/10.1017/S002531541500212X. This version is free to view and download for private research and study only. Not for re-distribution, re-sale or use in derivative works. © copyright holder.
Type: article (author version)
URI: http://hdl.handle.net/2115/66337
Appears in Collections:環境科学院・地球環境科学研究院 (Graduate School of Environmental Science / Faculty of Environmental Earth Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 野田 隆史

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