| Budget Amount *help |
¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2014: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2013: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2012: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
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| Outline of Final Research Achievements |
Since there are trees with no damage even in a beech forest which is heavily attacked by insects, there must be highly variation among trees in regard to their defense level against predetors. Moreover, beech trees shows great differences among individuals in reproductive traits. This study investigates reproductive and defense traits in individuals level. The levels of insect damage in leaves have been also researches for three consecutive years. The investigation revealed that beech trees shows great variation among trees in reproduction, defensive traits (hardness or condensed tannin) and insect damage. However, the negative relationship between amount of reproduction and defensive values or level of damages could not found. Therefore, we could not obtain a clear evidence of tread - off relationship between reproduction and defense.
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