| Project/Area Number |
23657064
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Biodiversity/Systematics
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| Research Institution | Shinshu University |
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Principal Investigator |
TOJO Koji 信州大学, 理学部, 准教授 (30377618)
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| Project Period (FY) |
2011 – 2013
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| Project Status |
Completed (Fiscal Year 2013)
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| Budget Amount *help |
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2013: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2012: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2011: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Keywords | 系統進化 / 遺伝的構造 / 昆虫 / 地史 / 山岳形成 / 遺伝的多様性 / 種分化 / 日本列島 / 分子系統地理 / 側所的種分化 / 源流棲 / 水生昆虫 / 遺伝子 / 遺伝子流動 |
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| Research Abstract |
In the Japanese Archipelago, intense crustal deformation occurred during the Quaternary period; Mountain formation also continues presently. Creatures inhabiting this Archipelago must have been significantly affected. As such, this is a particularly well suited region for comparative studies of genetic structure with respect to geohistorical events (e.g., isolation of populations associated with orogenic activity). These are often more difficult to detect elsewhere in the world. Although, there are a few studies showing such relationships in detail.
In this study, we focused on several aquatic insect species adapted to inhabit the headwaters, and compared their population structures and their genetic structures. As a result of this, some clear cases have been gathered identifying modes of differentiation by means such as, mountain ranges, or differentiation by massif level. Notably, some of these results have already been published in some international journals.
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