| Budget Amount *help |
¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2014: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2013: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2012: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
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| Outline of Final Research Achievements |
The 2011 off the Pacific coast of Tohoku Earthquake caused large tsunami and subsidence in the Tohoku region. Before the event, I regularly carried out a rocky intertidal community census for eight years on five shores close to the epicenter of the earthquake. To assess impacts of the earthquake by before/after comparison, I carried out the survey using the same method at the same place from 2011 to 2014. The course and status of recovery of populations substantially varied among species. A barnacle drastically increased and expanded its vertical range in 2011, then decreased. Other sessile species shifted their zonations downward according to the subsidence in 2011. Some of them did not clearly change their abundances light after the earthquake but increased and moved upward, while others continuously decreased. All mobile species did not clearly change their vertical distributions light after the earthquake. Among them two species decreased from 2012 and not recover.
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