| Budget Amount *help |
¥18,200,000 (Direct Cost: ¥14,000,000、Indirect Cost: ¥4,200,000)
Fiscal Year 2015: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2014: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2013: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2012: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2011: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
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| Outline of Final Research Achievements |
Tsugaru Strait does not appear to be acting, and to have acted, as a strong marine dispersal barrier, as shown by population genetic and phylogeographic analyses of marine organisms in nine taxonomic groups that were sampled from the intertidal zone in the vicinity of the strait. Species with longer period of planktonic larval duration tended to show higher dispersal ability. In many of the target species, the results indicated that populations with a certain degree of size have been maintained before the last glacial period. This study also revealed the existence of multiple cryptic species, i.e., species that morphologically resemble each other but can be differentiated with molecular sequence data.
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