Research field (4)：
Forest science
, Plant nutrition, soil science
, Environmental dynamics
, Rural environmental engineering and planning
- 2016 - 2018 Analysis of BVOV emission of white birch and grazing traits by insect herbivore under elevated ozone
- 2014 - 2017 Effect of high nitrogen loading on growth of cool temperate trees raised under free-air O3 exposure
- 2014 - 2016 Combination Effect of elevated O3 and CO2 on growth of larch species and species diversity of ectomycorrhizae
- 2012 - 2016 Influences of forested Peridotite Basin on material flow and land-seashore vegetation
- 2011 - 2015 The influence of forest fire disturbunce for the water,heat, carbon and mineral flux in north east China
- 2011 - 2014 Combination effects of elevated O3 and CO2 on growth and hydraulic function of representative trees
- 2009 - 2014 Parameterization of photosynthesis and xylem formation of woody plants grown under FACE
- 2009 - 2011 Influences of forest managements on Carbon and Nitrogen flow in cool temperate forested watershed, including evaluation for rootstock
- 2005 - 2007 Stuies on the carbon- and mineral- cycling under changing enviromment Larix forests of Far East Asia
- 1999 - 2001 Product of Dissolved Organic-Inorganic Compound at a Northern Forest Basin and the Changes in the Stream
- 1999 - 2001 Evaluation of Nitrogen Cycling in a Basin Associated with Forest, Grassland and Animal Husbandry, Hokkaido, Japan
- 1999 - 2001 Interactions of environmental changes and water-matter cycle at the basins of University forests over Japan
- 1999 - 2000 Water and mineral cycle in seasonal ground freezing basin
- 1997 - 1999 Conservation of Water Related Environment of Watersheds with Agriculture and Forestry Landuse in Cold Region.
- 1996 - 1998 Comparison of acid deposition's runoff process in forests across Japan
- 1996 - 1998 Regulatory functions of soil-plant ecosystems to geochemical element cycling
- 1996 - 1998 Effects of environmental change on terrestrial ecosystem from the point of calcium dynamics
- 1995 - 1997 Influence of acid snowmelt on the chemistry of stream water in the forest watersheds of the cold and snowy region, Japan
- 1994 - 1996 Eatablishment of plant indicator to mid-winter environment for management of environmental forests.
- 1994 - 1995 The dynamics of dissolved organic substances in forest catchments and the process of threr export in streams, Hokkaido, Japan.
- 1992 - 1993 AN OBSERVATION SYSTEM FOR ENERGY AND MATERIAL CYCLING IN FOREST ECOSYSTEMS
- 1992 - 1993 Discharge and chemistry of stream water in northern part of Hokkaido
- 1990 - 1992 EFFECT OF BIOLOGICAL PROCESSES ON GEOCHEMICAL CYCLING OF MATERIALS IN BIOSPHERE
- 1990 - 1991 Studies on the current state of forest management and genetic resources of tree plant in Sakhalin.
- 1990 - 1991 Environmental Studies on the Ice Bearing Region in the Canadian Arctic
- 1987 - 1989 STUDIES ON THE MOVEMENT OF GROUND'S SURFACE WATER AND THE EFFECT OF FORESTS IN THE COLD AND SNOWY DISTRICTS IN THAWING PERIODS
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