| Budget Amount *help |
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2016: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2015: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2014: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
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| Outline of Final Research Achievements |
This study examined spatial dynamics of salmonid populations at a whole stream network scale in relation to patch mosaic structure of riparian forests (natural broadleaved forests / conifer plantation). The results illustrated that the distribution of spawning sites was highly heterogeneous, but that of young-of-the-year (YOY) fish became gradually homogenized during summer, owing to their density-dependent dispersal. The results also suggested that, in this process, natural forest patches functioned as a habitat where YOY fish attained higher growth rates.
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