Hiroshima University - Modeling and Management of Environmental Dynamics Division

Graduate School of Biosphere Science > Organization > Modeling and Management of Environmental Dynamics Division

Modeling and Management of Environmental Dynamics Division

This division provides educational and research programs for studying material cycle systems of model areas thereby predicting temporal changes in land and aquatic ecosystems. Furthermore, based on current assessment and future projections, we seek to develop appropriate technologies for the management and mitigation of ecosystems disturbed by human activities.

Land-Atmosphere Interactions

	The laboratory of Land-Atmosphere Interactions conducts various field and laboratory studies to understand complex carbon dynamics in terrestrial ecosystems and to predict the multiple impacts of climate change on ecosystem functions. 1) Ecosystem carbon cycle in the High Arctic (Nakatsubo, T.) 2) Role of biological components in the carbon dynamics along river basins (Sasaki, A.)
	Go to the Laboratory's Home page of Associate Prof. Nakatsubo

	<Academic Staff> NAKATSUBO Takayuki (Professor) TODA Motomu (Associate Professor) SASAKI Akiko (Assistant Professor)

Glacier foreland in the
High Arctic, Svalbard

Riparian vegetation supplies
organic carbon to river water

Atmosphere-Hydrosphere Interactions

	Studies focus on the distribution pattern and circulation mechanism of anthropogenic greenhouse gases, acid-generating substances and hazardous pollutants in the atmosphere and hydrosphere by monitoring and simulating past, present as well as future trends of chemical species concerned 1) Field observation, computer simulation, and control strategies of air, water and soil pollution, their effects on vegetation and human health (Sakugawa, H.) 2) Development of analytical methods for tracing reactive oxygen species, and elucidation of oxidation and decomposition processes of organic pollutants by gas phase, liquid phase and solid surface reactions involving natural sunlight (Takeda, K.)

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	<Academic Staff> SAKUGAWA Hiroshi (Professor) TAKEDA Kazuhiko (Associate Professor)

Trace analysis of chemical
species in environmental samples

Monitoring of pollutants and
greenhouse gases in seawater
of the Seto Inland Sea during
a cruise of the Toyoshio-Maru

Aquatic Ecosystem Management

	The laboratory of Aquatic Ecosystem Management conducts various oceanic research and investigations on biogeochemical cycling in coastal seas as well as in open seas by means of oceanographic observations, laboratory experiments, and computer modeling and simulation. 1) Studies on biogeochemical cycling in aquatic environments and comprehensive utilization of the Deep Ocean Water as a promising renewable resource (Iseki, K.) 2) Ecosystem-based management of river-basin/water-sediment dynamic flux systems by integrating approaches of in situ observations and modeling (Yamamoto, T.) 3) Studies on material cycling and environmental management in coastal waters using ecosystem models and field observations (Hashimoto, T.)

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	<Academic Staff> ISEKI Kazuo (Professor) YAMAMOTO Tamiji (Professor) HASHIMOTO Toshiya (Associate Professor)

Oceanographic observation

Collection of settling particles
by sediment traps
(Click the picture to enlarge)

Fecal pellets collected
in sediment trap

Plant Nutritional Physiology

Plant Nutritional Physiology laboratory is focusing on sustainable crop production and the conservation of agricultural environment by introducing not only applicable field techniques but also molecular-level gene technologies.

1) Plant physiological strategies in response to micro mineral stresses and animal compost conservation (Masaoka, Y.)

2) Improving crop productivity and quality under adverse environmental conditions (Saneoka, H.)

3) Molecular physiology and genetic engineering of abiotic stress tolerance in plants (Ueda, A.)

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<Academic Staff>
   MASAOKA Yoshikuni (Professor)
   SANEOKA Hirofumi (Professor)
   UEDA Akihiro (Associate Professor)

Soybean plants and
experimental field

Mineral deficiencies of
higher plants
(Click the picture to enlarge)

Management of Coastal Marine Environment

	The laboratory of Management of Coastal Marine Environment investigates mitigation measures and environmental management technology, based on the estimation and critical evaluation of the effects of human activities on the coastal environment. Students may also work concurrently at AIST Chugoku. 1) Development of total biomass use system of aquatic bioresources in Southeast Asia (Mishima,Y.) 2) Application of physical methods (data analysis, numerical model experiment, etc.) to coastal environments (conservation, restoration and evaluation)（Takahashi, S.）
	Go to the National Institute of Advanced Industrial Science and Technology, Chugoku's Home page

	<Academic Staff> MISHIMA Yasufumi (Visiting Professor) TAKAHASHI Satoru (Visiting Associate Professor)

Biomass use system of aquatic
bioresources in Southeast Asia
(Click the picture to enlarge)

Mitigation of seagrass bed

Land Ecosystem Management

	We study the management of various agricultural ecosystems focusing on environmental preservation. 1) Agronomic study focusing on direct seeding of rice production (Yamauchi, M.) 2) Entomological study concentrating on harmful symbionts in insects and their biological control (Miura, K.) 3) Meteorological study developing the methodology and harnessing benefits from local climate patterns (Kurose, Y.)
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	<Academic Staff> YAMAUCHI Minoru (Visiting Professor) MIURA Kazuki (Visiting Professor) KUROSE Yoshitaka (Visiting Associate Professor)

Rice seeds germinating in under
anaerobic conditions

Kite-balloon