Department of Agro-environmental Sciences

The multifaceted and comprehensive approach is crucially required to solve a variety of environmental problems widely ranging from global scale to regional scale, and to establish the sustainable society. The Department of Agro-environmental Sciences provides interdisciplinary knowledge and problem-solving skills through creative thinking related to agro-environmental sciences under the fundamental principle of agricultural production and utilization of bioresources in harmony with environment. The department consists of four educational courses of Forest Sciences, Bioproduction Environmental Sciences, Agronomy and Environmental Sciences, and Sustainable Bioresources Science.

Educational Course 1: Forest sciences

Field excursion in Asia Forest Workshop 2008 in Cambodia

This educational course of Forest Sciences aims to learn the knowledge and techniques to harmonize efficient utilization of forest resources and environmental conservation toward sustainable society. This course also encourages comprehensive and international intelligence through the basic and applied studies.

1.Plant Metabolic Physiology

Atsushi WATANABE, Ph.D., M.Sc., Associate Professor
Michito TSUYAMA, Ph.D., M.Sc., Assistant Professor
Eiji GOTO, Ph.D., M.Sc., Assistant Professor

1) Regulation mechanism of photosynthesis
2) Photosynthetic acclimation to environmental factors
3) Generation of stress-tolerant plants

Susumu SHIRAISHI, Ph.D., M.Sc., Professor
Koichiro GYOKUSEN, Ph.D., M.Sc., Associate Professor
Kotaro SAKUTA, Ph.D., M.Sc., Assistant Professor

1) Genome analysis of forest tree species
2) Conservation of forest genetic resources and their utilization
3) Selection and breeding of stress tolerance trees
4) Carbon cycle in forest ecosystems
5) Molecular ecology of forests
6) Dynamics of forest communities
7) Physiological mechanisms of forest tree growth
8) DNA classification and phylogeny of forest tree species
3.Forest Production Control

Shoji OHGA, Ph.D., M.Sc., Professor
Shinya KOGA, Ph.D., M.Sc., Associate Professor
Tsutomu ENOKI, Ph.D., M.Sc., Associate Professor
Yasuhiro UTSUMI, Ph.D., M.Sc., Associate Professor
Naoaki TASHIRO, M.Sc., Assistant Professor

1) Management of forest dynamics
2) Forest production structure and environment
3) Conservation of vegetation structure
4) Properties of wood rotting fungi, mycorrhiza, and slime mold
5) Properties of tree growth
6) Structure and function of trees
7) Development of nondestructive techniques for evaluating of standing trees
8) Evaluation and control of wood quality
9) Production and utilization of edible and medicinal mushrooms
4.Forest Management

Shigejiro YOSHIDA, Ph.D., M.Sc., Professor
Nobuya MIZOUE, Ph.D., M.Sc., Associate Professor

1) Forest management planning (Forest working systems, Silvicultural systems)
2) Forest measurement (Growth modeling, Remote sensing, GIS)
3) Forest monitoring and assessment (National forest inventory, Quality assurance)
4) Sustainable forest management in Southeast Asia
5.Forest Policy

Noriko SATO, Ph.D., M.Sc., Professor
Takahiro Fujiwara, Ph.D., M.Sc., Associate Professor
Akie KAWASAKI, Ph.D., M.Sc., Assistant Professor

1) Policy issues in sustainable forest management
2) Distribution and trade systems of forest products
3) Development of mountainous areas and local peoples' livelihoods
4) Economic valuation of forests' multiple functions
6.Erosion Control

Tetsuya KUBOTA, Ph.D., M.Sc., Professor
Yoshinori SHINOHARA, Ph.D., M.Sc., Assistant Professor

1) Slope stability analysis on forest slopes
2) Landslide hazard mappings
3) Erosion control in channels and steep land
4) Sediment-related disaster prevention
5) Slope revegetation for erosion control
6) Meteorological conditions of landslide disasters
7) Forest road structures

Kyoichi OTSUKI, Ph.D., M.Sc., Professor
Tamao KASAHARA, Ph.D., M.Sc., Associate Professor
Atsushi KUME, Ph.D., M.Sc., Associate Professor
Takuo HISHI, Ph.D., M.Sc., Associate Professor
Masaaki CHIWA, Ph.D., M.Sc., Assistant Professor

1) Water and material cycles and energy dynamics of forest
2) Rainfall-runoff process in the mountain streams
3) Function of forest to foster water resources
4) Forest ecosystem simulator based on SPAC
5) Interaction of organism and environment in the mountainstreams
6) Mathematical model of tree physiology
7) Induction, utilization and conservation of greens
8) Landscape management using greens
9) Planning and management of greens in cities and gardens
10) Conservation of Satoyama (traditional rural landscape) ecosystems
11) Systematic vegetation management


Educational Course 2: Bioproduction Environmental Sciences

Purposes of Bioproduction Environmental Sciences are to solve various problems on regional environment, mechanization, and agri-food chain.

For ensuring sustainable and profitable agriculture as well as for producing safe & high quality foods under global and regional environment, sciences on agro-ecosystem, rural amenities and bioproduction systems are expected to play important roles. This “Bioproduction and Environmental Sciences Course” provides academic training of engineering methodologies on sustainable agriculture and development mainly related to soil-water management, irrigation and drainage systems, water environment, environmental soil engineering, geochemistry, agricultural meteorology, environmental information, farm machinery, postharvest technology, etc.

1.Irrigation and Water Management

Yoshiyuki SHINOGI, Ph.D., M.Sc., Professor
Tetsuro FUKUDA, Ph.D., M.Sc., Associate Professor

1) Proper Water management in rice paddy area (Irrigation systems, Drainage systems, Water users group)
2) Proper operation of Irrigation systems (Water saving, Water quality management)
3) Irrigation scheduling (Farm pond capacity, Irrigation method)
4) Unsaturated moisture flow in soil (Matric potential, Soil moisture movement)
5) Transport of moisture in soil-plant systems (Plant responses to soil moisture, Effective soil layer, Available soil moisture)
6) Crop Water requirement (Evapotranspiration, Potential evapotranspiration)
7) Proper biomass use technology
2.Water Environment Engineering

Kazuaki HIRAMATSU, Ph.D., M.Sc., Professor
Masayoshi HARADA, Ph.D., M.Sc., Associate Professor

1) Watershed management model for predicting distributions and dynamics of water, nutrient and pesticides from source to sea (Hydrological model, Numerical simulation, GIS, Hydroinformatics, Nitrogen, Phosphorus, Pesticide, Environmental risk assessment, Integrated water resources management)
2) Mathematical modeling for optimal water allocation, flood mitigation and flood runoff prediction in flat low-lying agricultural areas (Hydrological model, Numerical simulation, Drainage and inundation analysis, Water management systems)
3) Mathematical modeling of water flow and quality in estuaries and closed water bodies (Hydraulic model, Ecosystem model, Numerical simulation, DO, Nitrogen, Phosphorus)
4) Development of eco-technoloty for water quality improvement (Eutrophication, Organic pollution)
5) Aquatic informatics for biodiversity conservation in rural water environment (Computational intelligence, Ecohydraulics, Habitat suitability, Spatiotemporal dynamics)
3.Environmental Soil Engineering

Takahiro HIGASHI, Ph.D., M.Sc., Associate Professor
Akiko NAKANO, Assistant Professor

1) Physico-chemical and geotechnical properties of marine clays (Mineralogy, Chemistry, Consolidation, Shear strength)
2) Prediction of the behavior and stability of earth structures (Earth pressure, Bearing capacity, Slope stability, Deformation analysis)
3) Prevention of disaster in farmland and ground (Ground subsidence, Slope failure, Landslide, Soil degradation)
4) Evaluation of microscopic behavior of clay soil under consolidation(Microstructure,Pore size distribution,Creep behavior)
5) Performance of clay liner materials for containment of contaminants in landfill sites (Bentonite, Permeability, Heavy metal, Sorption)
4.Environmental Geochemistry

Shin-Ichiro WADA , Ph.D, M.Sc., Professor
Yuki MORI, Ph.D., M.Sc., Assistant Professor

1) Remediation of contaminated soils and waters
2) Modeling of nutrients and pollutants dynamics in soils
3) Methods of soil testing
4) Safe stabilization methods for solid wastes
5) Industrial application of soil materials
5.Agricultural Meteorology

Masaharu KITANO, Ph.D., Professor
Kenji WAKIMIZU, Ph.D., M.Sc., Assistant Professor

1) Local meteorology and micro-climate in farmlands and greenhouses (Plant environment, Heat balance, Water balance, Fluxes, Environmental control, Environmental stress)
2) Meteorological resources (Thermal, wind and solar energies) and meteorological improvement
3) Transport phenomena in plant-environment system (Fluxes, Plant responses to the environment, Biophysics, Plant environmental physiology)
4) Hydro-meteorology (Radar meteorology, Rainfall, Artificial rainfall, Biohydrology, Desert hydrology)
5) Global environmental issues (Global warming, Desertification, Yellow sand)
6) Meteorological disasters in agriculture
6.Bioproduction Engineering

Eiji INOUE, Ph.D., M.Sc., Professor
Takashi OKAYASU, Ph.D., M.Sc., Associate Professor
Yasumaru HIRAI, Ph.D., M.Sc., Associate Professor
Muneshi MITSUOKA, Ph.D., M.Sc., Assistant Professor

1) Design theories of agricultural machineries (Optimal design of tractors and combine harvesters, Parameter identification, Optimization problem)
2) Dynamics of agricultural machineries (Modeling and nonlinear vibration analysis of agricultural rubber crawler vehicles and half tracked tractors, time series analysis, Fluid dynamic analysis of winnowing mechanism in the threshing unit of a combine harvester, Finite volume method)
3) Mathematical modeling for soil and crop-machinery systems (Terramechanics, Advanced mechanical design for agricultural machinery and equipment, Numerical simulation methods, Constitutive models for materials)
4) Agricultural information acquisition system using Information and Communication Technologies (ICT) and remote sensing (Field and greenhouse environments, Soil environment, Plant nutrition, Work history, Yield and quality of harvests, Sensor network system)
5) Development of informatization agricultural supporting platform (Visualization and optimization of production system, Automatic environmental control, Agricultural social networking services, Cloud computing, Real time data and image analysis)
6) Decision-making support system for rice production (Manure and fertilizer applications, Soil amendment, Pest control, Optimization of yield and quality)
7.Postharvest Science

Toshitaka UCHINO, Ph.D., Professor
Fumihiko TANAKA, Ph.D., M.Sc., Associate Professor
Daisuke HAMANAKA, Ph.D., M.Sc., Assistant Professor

1) Prediction of quality of fresh fruit and vegetables during distribution (Mathematical model, Temperature fluctuation, Respiration rate, Sugar, Ascorbic acid)
2) Storage and rewetting of brown rice with low moisture content (Brown rice, Low moisture content, Adsorption, Diffusion)
3) Mathematical modeling of food and agricultural processing operations (Heat and mass transfer, Quality, CFD, Prediction, Optimization)
4) Prediction of microbial food safety and food quality (Predictive microbiology, Simulation, Decision support system, Food chain, HACCP)
5) Decontamination of fresh fruit and vegetables by electromagnetic wave (Decontamination, Disinfection, Microorganisms, Food safety)
6) Microbial adhesion on material surface under unsteady conditions (Biofilm, Pathogenic bacteria, Microcolony)


Educational Course 3: Agronomy & Environmental Sciences

The aim of this course is to master the methodology and the ways of thinking for the studies on crop science, crop production and its environments not only by biological but also by chemical and physical methods.

A female of the parasitic wasp Ixodiphagus hookeri ovipositing in a tick.

1.Horticultural Science

Akira WAKANA, Ph.D., M.Sc., Associate Professor

1) Physiology of horticultural plants (Growth and development, Dormancy, Gene expression, Plant hormone, Temperature, Day length)
2) Plant pigments (Flavonoid, Anthocyanin, Flavonol)
3) Tissue culture (Embryo rescue, Propagation, Morphogenesis)
4) Diversity of horticultural plants (Ecology, Cultivar differentiation, Speciation, Conservation)
5) Breeding of horticultural plants (Genetics, Molecular markers, Reproductive biology, Ploidymanipulation)
2.Agricultural Ecology (University Farm)

Toshihiro MOCHIZUKI, Ph.D., M.Sc., Professor
Yukio OZAKI, Ph.D., Associate Professor
Kaori SAKAI, Ph.D., M.Sc., Assistant Professor

1) Growth habits of field crops cultivated in a drained paddy field
2) Genotype x environmental interaction for growth and yield in field crops
3) Genetics and breeding in horticultural crops
4) Phylogenic relationship in horticultural crops
5) Physiology in horticultural crops
6) Development of cultivating system in horticultural crops
3.Environment Control for Biology (Biotron Application Center)

Satoshi YOSHIDA, Ph.D., M.Sc., Associate Professor
Toshihiko EGUCHI, Ph.D.,M.Sc., Associate Professor

1) Environment control for biology (Phytotron, Growth chamber, Air and light conditions)
2) Plant instrumentation (Plant growth, Plant water relations, Photosynthesis, Respiration, Translocation)
3) Environmental botany (Environmental stress, Environmental effect on plants, Plant water relations)
4) Advanced agriculture (Greenhouse technology, Plant factory)
4.Tropical Crops and Environment (Institute of Tropical Agriculture)

Kazuo OGATA, Ph.D., M.Sc., Professor
Ikuo MIYAJIMA, Ph.D., M.Sc., Associate Professor
Masaru MATSUMOTO, Ph.D., M.Sc., Assistant Professor

1) Taxonomic and biological researches on social insects in the tropics
2) Taxonomic and biological researches on insect pests infesting tropical crops
3) Taxonomic and biological researches on phytopathogens in the tropics
4) Molecular biological researches on rapid detection of phytopathogens in the tropics
5) Conservation and utilization of plant genetic resources in the tropics
5.Bioresource and Management

Keiji TAKASU, Ph.D., M.Sc., Professor
Shunichiro TAKANO, Assistant Professor

1) Behavior and ecology of parasitic wasps
2) Ecology of invasive pests
3) Application of parasitic wasps to biological control and chemical sensors
6.Sustainable Agricultural Production

1) Sustainable crop rotation systems by utilizing crop-microorganism interactions and regional bioresources
2) Utilization of the functions of endophytic diazotrophic bacteria and mycorrhizal fungi in sweetpotato or other upland crops
3) Development of the control methods against plant-parasitic nematodes without using nematicides
4) Identification, geographical distribution, pathogenicity and development of detection method of plant-parasitic nematodes, using molecular biological approaches


Educational Course 4: Sustainable Bioresources Science

Forest-inspired Research Frontiers in Harmony with Nature.

Forest biomass has attractied much attention as renewable, strategic resources in sustainable society and industries. A new conception and approaches to boost science and technology for the sustainable utilization of forest bioresources in harmony with nature are required to establish the forthcoming eco-society. This educational course provides fundamental subjects and up-to-date professional training covering chemistry, biology and physics of non-food photosynthetic resources, and brings up researchers and engineers with advanced knowledge on Wood Science, Wood Material Technology, Forest Chemistry and Biochemistry, Bioresources Chemistry, and Systematic Forest and Forest Products Sciences.

1.Wood Science

Junji MATSUMURA, Ph.D., M.Sc., Professor
Masumi HASEGAWA, Ph.D., M.Sc., Assistant Professor

1) Wood formation (Tree physiology, Wood anatomy, Tree growth)
2) Wood physics (Physical behavior, Permeability, Shrinkage, Microcracks)
3) Wood mechanics (Non destructive evaluation, Mechanical properties, Growth ring structures)
4) Wood quality (Wood structure, Tree breeding, Physical properties, Mechanical properties, Wood utilization)
5) Sustainable utilization of fast growing tree resources (Tree growth, Wood properties, Tree breeding)
2.Wood Material Technology

Noboru FUJIMOTO, Ph.D., M.Sc., Associate Professor
Hiroki SAKAGAMI, Ph.D., M.Sc., Assistant Professor

1) Wood machining (CNC routing, Veneer peeling, Sanding, Tool wear, AE sensing & control)
2) Wood drying (Kiln drying, High temperature drying, Vacuum drying, Construction timber drying)
3) Wood-based materials (Manufacturing mechanisms, Eco-materials, Radio frequency heating)
4) Wood engineering (Corner jointing, Fatigue behavior, Non-destructive test)
5) Effective utilization of plantation wood (Sugi)
6) Development of technology for water quality improvement (Eutrophication, Aeration)
3.Forest Chemistry and Biochemistry

Yuji TSUTSUMI, Ph.D., M.Sc., Professor
Toshihiro ONA, Ph.D., M.Sc., Associate Professor
Koki FUJITA, Ph.D., M.Sc., Assistant Professor

1) Wood extractives (Phenolics, Terpenoids, Biosynthesis, Chemotaxonomy)
2) Tissue culture of woody plants (Cell culture, Growth, Secondary metabolites, Lignin biosynthesis)
3) Raman spectroscopy including nano-materials
4) Pyrolysis including photo-degradation
5) Quality tree breeding
6) Lignin biochemistry and molecular biology (Biosynthesis, Biodegradation, Genetic engineering)
7) Lignin chemistry
8) Biomass utilization and Phytoremediation
4.Bioresources Chemistry

Takuya KITAOKA, Ph.D., M.Sc., Professor
Hirofumi ICHINOSE, Ph.D., M.Sc., Assistant Professor

1) Carbohydrate chemistry (Enzymatic glyco-synthesis, Glyco-lipids, Glyco-conjugates)
2) Surface chemistry (Physicochemical control, Biofunctional interfaces, Nano-materials)
3) Composites (Biocatalysts, Metal catalysts, Nano-particles, Nano-fibers, Nano-architectonics)
4) Applications (Biomaterials, Biosensors, Cell engineering, Fuel cells, Material conversion)
5.Systematic Forest and Forest Products Sciences

Kuniyoshi SHIMIZU, Ph.D., M.Sc., Assistant Professor

1) Searching for biologically active compound from nature (plant, microorganism etc)
2) Development of the way of utilizing forest bio-resources based on their biological activities
3) Investigation of physiological and psychological effect of aroma (volatile, essential oils etc) on human
4) Bio-refinary: conversion of unused bioresources to biologically sound materials by mushroom
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