| Budget Amount *help |
¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2013: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2012: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
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| Outline of Final Research Achievements |
To understand process and genetic mechanisms underlying adaptive evolution of the ragweed beetle Ophraella communa which was recently introduced into Japan this study investigated its photoperiodic response controlling diapause to adapt local climate in the colonized regions. It revealed that this trait shifted in a short period and differed along geographic gradients, i.e. latitude and elevation. In addition, there is large genetic variation in this trait, which indicates that this variation is one of factors causing rapid evolution of this beetle after colonization into Japan.
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