| Budget Amount *help |
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2014: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2013: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2012: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Outline of Final Research Achievements |
It was suggested that the feeding pressure by Sika deer affected nitrogenous nutrient concentrations and their seasonal changes in soil. Plant species with different nitrogen utilization capacity showed complex dynamics of inorganic nitrogen in soil. Diversity in the vegetation may not directly affect the soil nitrogen dynamics. However, if the dietary preference of the deer would determine the species composition and biomass, the feeding pressure by Sika deer might indirectly affect the nitrogen dynamics in the soil. Prevailing the unpalatable vegetation, the feeding pressure by Sika deer may suppress the leakage of nitrogenous nutrients from the soil.
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