2009 Fiscal Year Final Research Report
Community level invasional meltdown in exotic tree plantation
| Project/Area Number |
19380094
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
林学・森林工学
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| Research Institution | Forestry and Forest Products Research Institute |
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Principal Investigator |
OZAKI Kenichi Forestry and Forest Products Research Institute, 北海道支所, 主任研究員 (50343794)
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| Co-Investigator(Kenkyū-buntansha) |
UEDA Akira 独立行政法人森林総合研究所, 北海道支所, チーム長 (90353599)
SAYAMA Katsuhiko 独立行政法人森林総合研究所, 北海道支所, 主任研究員 (70353711)
IIDA Shigeo 独立行政法人森林総合研究所, 北海道支所, チーム長 (10370272)
OHSAWA Masashi 山梨県森林総合研究所, 森林環境研究部, 主任研究員 (80359249)
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| Co-Investigator(Renkei-kenkyūsha) |
OHSAWA Masashi 山梨県森林総合研究所, 森林環境研究部, 主任研究員 (80359249)
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| Project Period (FY) |
2007 – 2009
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| Keywords | 生物多様性 / 外来種問題 / 森林生態 |
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| Research Abstract |
Japanese larch (Larix kaempferi Carr.) was introduced into northern Japan from central Japan about 110 years ago. Since then, larch plantations have been widely established, and now occupy 460,000ha or 30% of the total man-made forests in Hokkaido, the northern-most island of Japan. We compared moth assemblages in native area (central Japan) to those in introduced area (northern Japan) to adress the following two questions : (1) do non-native tree plantations facilitate establishment of other exotic species? and (2) how non-native tree plantations affect native biodiversity? We found that non-native larch plantations facilitate invasion of exotic larch feeding moths and that effects of larch plantations on native moth diversity do not differ between native and introduced area.
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