| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2018: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2016: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Outline of Final Research Achievements |
Meaurement of variation of system-state that the system could maintain from a state-space description of the temporal profiles of the system-states was developed. The method was applied to a soybean during the flooding response and a human myelomonocytic leukaemia cell transcriptional network in response to a phorbol-ester stimulus. A loss of variation of state in response to the environmental stress was observed in both systems.
An information-theoretic model for managing predator-prey ecosystems undergoing climate-related changes was developed. This model estimates the amount of information transferred between the number of predator and prey categories, and the uncertainty of the number of the prey categories in a predator-prey ecosystem as measured by Shannon entropy, which is achieved by predation events and decay in the ecosystem. We examined the model with a numerical experiment using a well-studied bass-crayfish predator-prey ecosystem in a closed lake.
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