| Budget Amount *help |
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2014: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2013: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2012: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Outline of Final Research Achievements |
Interspecific interactions between nonnative species and other sympatric species play a key role on the successful establishment of nonnative species. Previous studies primarily focused on interspecific interactions between nonnative species and native species. Given the fact that multiple nonnative species co-occur in many regions, we should also consider interspecific interactions between nonnative species. In this study, Isuggested that nonnative salmonid, brown trout successfully established their population through competitive exclusion of another nonnative salmonid, rainbow trout by using the analysis of databese, field survey and enclosure experiments in combination.
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