| Budget Amount *help |
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2015: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2014: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2013: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Outline of Final Research Achievements |
Due to the expansion of oil palm plantation, it is predicted that more than half of tropical rainforest remnants are disappeared by 2050. One of the possible solutions to deforestation is utilization of pollination service from forest remnants. Because oil palm cannot grow on wet soil condition, there are some forest remnants along rivers in plantation and they facilitate animal movement between fragmented forests. Furthermore, several wild insects in forest remnants would assist the pollination instead of alien African weevils which were introduced into plantation for palm seed production.
In this study, we compared pollinator compositions between ordinary plantation and plantation with forest remnants. Although only African weevils were observed in ordinary plantation, several wild insects assisted the pollination of oil palm in plantation with forest remnants. Thus, utilization of pollination service contributes to palm plantation farming, as well as tropical ecosystem conservation.
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