Symposium "Ecosystem Management and Environmental Decisions”
In this symposium, diverse aspects of ecosystem management and environmental decisions will be discussed. First, Professor Hugh Possingham will give his key note lecture, followed by a series of talks by Australian scientists and those researchers from Kyushu University. Talks will cover modeling of conservation biology, computational models including physiological processes, games for corruption and punishment related to deforestation, marine protected areas, and social sciences for ecosystem management. Speakers includes ecologists, economists, physicists and mathematicians. Themes includes computational and mathematical modeling of ecological and social processes, the problems of environmental policy choice under considerable risk and uncertainty, and social consensus building, the efficiency of institution among many others. The session will be in an intimate atmosphere in a rather small room. It will be open to public, and any person interested in the topics can come and join the discussion. Below is a tentative schedule.
Organizer: Yoh Iwasa
Optimal short-term policies aimed at enhancement of scarce wild-life species populations
This presentation is focused on a finite-horizon bioeconomic growth model that links the biological evolution of a single wildlife species with the capital accumulation dynamics. The model is formulated in terms of optimal control with non-consumptive objective regarding the biological species; in other words, with no harvesting. The Pontryagin's maximum principle allows to design a decision policy for short-term optimal planning and converts the optimal control problem into a two-point boundary value problem, which is then solved numerically using the MATLAB routine b v p 4 c . Numerical simulations suggest the existence of optimal policies capable to enhance even (initially) scarce species populations within a finite period of time.