IWAKUMA Toshio

J-GLOBAL         Last updated: Jun 3, 2018 at 00:24
 
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Name
IWAKUMA Toshio
Job title
President
Degree
D. Sc.(Kyushu University)

Research Areas

 
 

Academic & Professional Experience

 
Apr 2015
 - 
Today
Emeritus Professor, National Institute of Technology, Hakodate College
 
Apr 2009
 - 
Today
Emeritus Professor, Hokkaido University
 
Apr 2009
 - 
Mar 2015
President, National Institute of Technology, Hakodate College
 
Apr 2007
 - 
Mar 2009
Dean, Graduate School of Environmental Science, Hokkaido Univerisity
 
Apr 2005
 - 
Mar 2009
Professor, Faculty of Environmental Earth Science, Hokkaido Univerisity
 
Apr 1997
 - 
Mar 2005
Professor, Graduate School of Environmental Earth Science, Hokkaido Univerisity
 
Jul 1993
 - 
Mar 1997
Division Head, Environmental Biology Division, National Institute for Environmental Studies
 
1993
 - 
1997
National Institute for Environmental Studies, Division Director
 
Jul 1990
 - 
Jul 1993
Section Head, Ecosystem Study Section, Environmental Biology Division, National Institute for Environmental Studies
 
1984
 - 
1993
National Institute for Environmental Studies, Laboratory Head
 

Education

 
Apr 1975
 - 
Mar 1978
Faculty of Agriculture, Shinshu University
 
Apr 1967
 - 
May 1969
Department of Aeronautics, Faculty of Engineering, University of Tokyo
 
 
 - 
1969
Faculty of Engineering, The University of Tokyo
 
Apr 1965
 - 
Mar 1967
Natural Sciences I, College of General Education, University of Tokyo
 

Awards & Honors

 
Apr 2013
「みどりの日」自然環境功労者環境大臣表彰, Ministry of the Environment
 
Mar 1993
Biwako Prize for Ecology, Shiga Prefecture
 

Published Papers

 
Iwakuma, Toshio, Gumiri Sulmin, Ardianor
Research Reports of Hakodate National College of Technology   -(46) 1-9   Jan 2012
Akiyama YB, Iwakuma T
Fundamental and Applied Limnology   175(4) 295-305   Dec 2009   [Refereed]
Kido M, Yustiawati, Syawal MS, Sulastri, Hosokawa T, Tanaka S, Saito T, Iwakuma T, Kurasaki M
Environmental Monitoring and Assessment   156 317-329   Sep 2009   [Refereed]
The importance of zoobenthos in the ecosystems of tropical oxbow lakes
Iwakuma T, Yulintine, Gumiri S
Verhandlungen der Internationalen Vereinigung für Theoretische und Angewandte Limnologie   30(1) 35-41   Jan 2008   [Refereed]
Ohtaka A, Hartoto DI, Sudarso Y, Buchar T, Widjaja F, Iwakuma T, Kunii H
TROPICS   15(4) 417-423   Sep 2006   [Refereed]
Primary productivity of phytoplankton in tropical oxbow lakes in Central Kalimantan, Indonesia
Ishikawa T, Yurenfri, Ardianor, Iwakuma T
Verhandlungen der Internationalen Vereinigung für Theoretische und Angewandte Limnologie   29 1665-1670   Mar 2006   [Refereed]
A comparative study of zooplankton communities in some oxbow and floodplain lakes of Central Kalimantan, Indonesia
Imai M, Wulandari L, Ardianor, Gumiri S, Iwakuma T
Verhandlungen der Internationalen Vereinigung für Theoretische und Angewandte Limnologie   29 742-747   Sep 2005   [Refereed]
Seasonal dynamics of zooplankton communities in interconnected tropical swamp lake ecosystems
Gumiri S, Ardianor, Wulandari L, Buchar T, Iwakuma T
Verhandlungen der Internationalen Vereinigung für Theoretische und Angewandte Limnologie   29 179-184   Mar 2005   [Refereed]
The dynamics of rotiferan communities in relation to environmental factors: Comparison between two tropical oxbow lakes with different hydrological conditions
Gumiri S, Iwakuma T
Verhandlungen der Internationalen Vereinigung für Theoretische und Angewandte Limnologie   28 1885-1889   Dec 2002   [Refereed]
The fate of free-swimming chironomid larvae in a humic, tropical oxbow lake
Iwakuma T, Gumiri S
Verhandlungen der Internationalen Vereinigung für Theoretische und Angewandte Limnologie   28 1494-1498   Oct 2002   [Refereed]
Havens KE, Fukushima T, Xie P, Iwakuma T, James RT, Takamura N, Hanazato T, Yamamoto T
Environmental Pollution   111(2) 263-272   Feb 2001   [Refereed]
Kurasaki M, Hartoto DI, Saito T, Suzuki-Kurasaki M, Iwakuma T
Bulletin of Environmental Contamination and Toxicology   65(5) 591-597   Nov 2000   [Refereed]
Effect of available food and temperature on the growth and reproduction of Daphnia rosea
Xie P, Iwakuma T, Fujii K
Journal of Freshwater Ecology   15 379-388   Sep 2000   [Refereed]
Factors controlling the population dynamics of chironomids in a eutrophic Japanese lake: Experimental analysis using mesocosms
Iwakuma T, Yasuno M, Hayashi H, Hanazato T
Verhandlungen der Internationalen Vereinigung für Theoretische und Angewandte Limnologie   27 284-289   Apr 2000   [Refereed]
Seasonal and diel drift patterns of Chironomus yoshimatsui (Diptera:Chironomidae) in Otto River, Japan
Ueno R, Iwakuma T, Takamura K
Journal of Kansas Entomological Society   71 473-483   Sep 1999   [Refereed]
Xie P, Iwakuma T, Fujii K
Journal of Plankton Research   20(9) 1663-1678   Sep 1998   [Refereed]
Xie P, Iwakuma T, Fujii K
Hydrobiologia   368(1-3) 83-90   Apr 1998   [Refereed]
Nohara S, Hanazato T, Iwakuma T
Japanese Journal of Limnology   58(4) 385-393   Dec 1997   [Refereed]
Nohara S, Iwakuma T
Chemosphere   33(7) 1409-1416   Oct 1996   [Refereed]
Nohara S, Iwakuma T
Chemosphere   33(7) 1417-1424   Oct 1996   [Refereed]
Status of mires in Japan
Iwakuma T
Gunneria   70 265-268   1995   [Refereed]
Growth and leaf life-span of a floating-leaved plant, Trapa natans L., as influenced by nitrogen flux
Tsuchiya T, Iwakuma T
Aquatic Botany   46(3-4) 317-324   Dec 1993   [Refereed]
Ueno R, Iwakuma T, Nohara S
Japanese Journal of Limnology   54(4) 293-303   Oct 1993   [Refereed]
Iwakuma T, Ueno R, Nohara S
Japanese Journal of Limnology   54(3) 199-212   Jul 1993   [Refereed]
Iwakuma T, Shiraishi H, Nohara S, Takamura K
Chemosphere   27(4) 677-691   Apr 1993   [Refereed]
Takamura K, Nohara S, Iwakuma T
Japanese Journal of Limnology   54(2) 125-130   Apr 1993   [Refereed]
Emergence of Chironomidae from the shallow eutrophic Lake Kasumigaura, Japan
Iwakuma T
Hydrobiologia   245(1) 27-40   Oct 1992   [Refereed]
Nitrogen uptake and C:N:P ratio of epiphytic algae and phytoplankton in the littoral zone of Lake Kasumigaura
Takamura N, Iwakuma T
Archiv für Hydrobiologie   121 161-170   Aug 1991   [Refereed]
Role of chironomid larvae in reducing rate of nutrient release from lake sediment: evaluation by a mathematical model
Iwakuma T, Otsuki A
Verhandlungen der Internationalen Vereinigung für Theoretische und Angewandte Limnologie   24 3056-3062   1991   [Refereed]
Tsuchiya T, Nohara S, Iwakuma T
Japanese Journal of Limnology   51(4) 307-312   Oct 1990   [Refereed]
Impact of whitefish on an enclosure ecosystem in a shallow eutrophic lake: selective feeding of fish and predation effects on the zooplankton communities
Hanazato T, Iwakuma T, Hayashi H
Hydrobiologia   200-201(1) 129-140   Aug 1990   [Refereed]
Impact of whitefish on an enclosure ecosystem in a shallow eutrophic lake: changes in nutrient concentrations, phytoplankton and zoobenthos
Iwakuma T, Hayashi H, Yasuda I, Hanazato T, Takada K
Hydrobiologia   200-201(1) 141-152   Aug 1990   [Refereed]
Fate of macrozoobenthos in hypertrophic lakes: In situ rearing experiments with the larvae of Tokunagayusurika akamusi (Chironomidae)
Takamura K, Iwakuma T
Archiv für Hydrobiologie   119(1) 65-78   Jan 1990   [Refereed]
Primary production of epiphytic algae and phytoplankton in the littoral zone of Lake Kasumigaura
Takamura N, Iwakuma T, Aizaki M, Yasuno M
Marine Microbial Food Webs   4 239-255   1990   [Refereed]
Iwakuma T, Sugaya Y, Yasuno M
Japanese Journal of Limnology   50(4) 281-288   Oct 1989   [Refereed]
Role of bottom sediments in sustaining plankton production in a lake ecosystem - Experimental demonstration using enclosed water bodies in a shallow eutrophic lake
Sakamoto M, Hayashi H, Otsuki A, Aoyama K, Watanabe Y, Hanazato T, Iwakuma T, Yasuno M
Ecological Research   4(1) 1-16   Apr 1989   [Refereed]
Production ecology of phyto- and zooplankton in a eutrophic pond dominated by Chaoborus flavicans (Diptera: Chaoboridae)
Iwakuma T, Shibata K, Yasuno M
Ecological Research   4(1) 31-53   Apr 1989   [Refereed]
Primary production of phytoplankton and standing crops of zooplankton and zoobenthos in hypertrophic Lake Teganuma
Takamura K, Sugaya Y, Takamura N, Hanazato T, Yasuno M, Iwakuma T
Hydrobiologia   173(3) 173-184   Mar 1989   [Refereed]
Hanazato T, Iwakuma T, Yasuno M, Sakamoto M
Environmental Pollution   59(4) 305-314   1989   [Refereed]
Population dynamics of Daphnia rosea in a small eutrophic pond
Shei P, Iwakuma T, Fujii K
Ecological Research   3(3) 291-304   Dec 1988   [Refereed]
Shei P, Iwakuma T, Fujii K
Japanese Journal of Limnology   49(4) 227-236   Oct 1988   [Refereed]
Effects of permethrin on phytoplankton and zooplankton in an enclosure ecosystem in a pond
Yasuno M, Hanazato T, Iwakuma T, Takamura K, Ueno R, Takamura N
Hydrobiologia   159(3) 247-258   Mar 1988   [Refereed]
Shiraishi H, Pula F, Otsuki A, Iwakuma T
Science of the Total Environment   72 29-42   Jan 1988   [Refereed]
Takamura N, Iwakuma T, Yasuno M
Japanese Journal of Limnology   48(特別号) 13-38   Dec 1987   [Refereed]
Iwakuma T
Japanese Journal of Limnology   48(特別号) 59-75   Dec 1987   [Refereed]
The role of zoobenthos in a shallow eutrophic lake
Iwakuma T, Yasuno M
Archiv für Hydrobiologie Beiheft Ergebnisse Limnologie   28 515-524   Aug 1987   [Refereed]
Uptake of 13C and 15N (ammonium, nitrate and urea) by Microcystis in Lake Kasumigaura
Takamura N, Iwakuma T, Yasuno M
Journal of Plankton Research   9(1) 151-165   1987   [Refereed]
Iwakuma T
Japanese Journal of Ecology   36(3) 169-187   Dec 1986   [Refereed]
Among the groups of secondary producers, Chironomidae were the most productive, both in standing and running waters. A regression analysis was performed on the reported secondary productiondata for 39 herbivorous and detritivorous chironomid speci...
Photosynthesis of size-fractionated phytoplankton population in hypertrophic Lake Kasumigaura, Japan
Takamura N, Iwakuma T, Yasuno M
Archiv für Hydrobiologie   108(2) 235-257   Dec 1986   [Refereed]
Primary and secondary production in Lake Kasumigaura
Iwakuma T
Japan Journak of Water Pollution Research   9(7) 406-411   Jul 1986
Yasuno M, Sugaya Y, Iwakuma T
Environmental Pollution - Series A   38(1) 31-43   1985   [Refereed]
Photosynthesis and primary production of Microcystis aeruginosa Kütz. in Lake Kasumigaura
Takamura N, Iwakuma T, Yasuno M
Journal of Plankton Research   7(3) 303-312   1985   [Refereed]
Coupled transformation of inorganic stable carbon-13 and nitrogen-15 isotopes into higher trophic levels in a eutrophic shallow lake
Otsuki A, Aizak M, Iwakuma T, Takamura N, Hanazato T, Kawai T, Yasuno M
Limnology and Oceanography   30(4) 820-825   1985   [Refereed]
Chironomid production in relation to phytoplankton primary production in Lake Kasumigaura, Japan
Iwakuma T, Yasuno M, Sugaya M
Verhandlungen der Internationalen Vereinigung für Theoretische und Angewandte Limnologie   22 1150-1159   Dec 1984   [Refereed]
Hanazato T, Yasuno M, Iwakuma T, Takamura N
Japanese Journal of Limnology   45(2) 153-157   Apr 1984   [Refereed]
An analysis of larval mortality and development in relation to group size in Dictyoploca japonica Butler (Lepidoptera: Saturniidae), with special reference to field populations
Iwakuma T, Morimoto N
Researches on Population Ecology   26(1) 51-73   Jan 1984   [Refereed]
Fate of the univoltine chironomid, Tokunagayusurika akamusi (Diptera: Chironomidae), at emergence in Lake Kasumigaura, Japan
Iwakuma T, Yasuno M
Archiv für Hydrobiologie   99(1) 37-59   Dec 1983   [Refereed]
A comparison of several mathematical equations describing photosynthesis-light curve for natural phytoplankton populations
Iwakuma T, Yasuno M
Archiv für Hydrobiologie   97(2) 208-226   Jul 1983   [Refereed]
Takamura N, Iwakuma T, Yasuno M
Japanese Journal of Limnology   44(2) 139-141   Apr 1983   [Refereed]
Measurement of photosynthetic production of marine phytoplankton population using a stable 13C isotope
Hama T, Miyazaki T, Ogawa Y, Iwakuma T, Takahashi M, Otsuki A, Ichimura S
Marine Biology   73 31-36   Mar 1983   [Refereed]
Yasuno M, Hasegawa J, Iwakuma T, Imamura N, Sugaya Y
Medical entomology and zoology   33(3) 207-212   Sep 1982   [Refereed]
Japanese Journal of Sanitary Zoology   33 207-212   1982
Chironomid populations in highly eutrophic Lake Kasumigaura
Iwakuma T, Yasuno M
Verhandlungen der Internationalen Vereinigung für Theoretische und Angewandte Limnologie   21 664-674   Jul 1981   [Refereed]

Misc

 
Role of the MAB Programme on the development of environmental science in Japan
IWAKUMA Toshio
Japan InffoMAB   (42) 1-2   Mar 2017   [Invited]
A New Age of Lake Sediment Research
IWAKUMA Toshio
Journal of Japan Society of Water Environment   39(8) 265-265   Aug 2016   [Invited]
How are the lake ecosystems maintained in Central Kalimantan? - Implications from the long-term ecological research on oxbow and floodplain lakes
Iwakuma T, Gumiri S, Hartoto DI, Ardianor, Wulandari L, Yulintine, Ishikawa T, Imai M, Yamato H
Proceedings of the International Workshop on Human Dimension of Tropical Peatland under Global Environmental Changes, Bogor, Indonesia, 8-9 December 2004, Iswandi, A, Wijaya HC, Guhardja S, H. Segah H, Iwakuma T, Osaki M (eds.)   199-207   May 2005
Estimation of the impact of a large-scale development on pond ecosystems in Central Kalimantan
Imai M, Yurenfri, Anitae, Franciscus, Mardiyah M, Ardianor, Wulandari L, Yulintine, Gumiri S, Ishikawa T, Iwakuma T
Proceedings of the International Workshop on Human Dimension of Tropical Peatland under Global Environmental Changes, Bogor, Indonesia, 8-9 December 2004, Iswandi, A, Wijaya HC, Guhardja S, H. Segah H, Iwakuma T, Osaki M (eds.)   150-151   May 2005
Limnological data for Lakes Tundai and Sabuah during May 1999-October 2000.(共著)
In : Annual Report for April 2000-March 2001, Environmental Conservation and Land Use Management of Wetland Ecosystem in Southeast Asia, Core University Program between Hokkaidou University, Japan and R & D Center for Biology, LIPI, Indonesia Sponsored・・・   278-285   2001
In : Annual Report for April 2000-March 2001, Environmental Conservation and Land Use Management of Wetland Ecosystem in Southeast Asia, Core University Program between Hokkaidou University, Japan and R & D Center for Biology, LIPI, Indonesia Spon...
Diel and seasonal feeding activities of fishes in an oxbow lake of Central Kalimantan, Indonesia
Komatsu R, Gumiri S, Hartoto DI, Iwakuma T
Tropical Peatlands: Proceedings of the International Symposium on Tropical Peatlands, Bogor, Indonesia, 22-23 November 1999   455-470   Mar 2000
A preliminary study on the dynamics of zooplankton community in two humic lakes of Central Kalimantan
Gumiri S, Hafid A, Iwakuma T, Komatsu R, Kusakabe K
Tropical Peatlands: Proceedings of the International Symposium on Tropical Peatlands, Bogor, Indonesia, 22-23 November 1999   443-453   Mar 2000
Seasonal changes of phytoplankton species in relation to environmental factors in an oxbow lake of Central Kalimantan, Indonesia
Kusakabe K, Iwakuma T, Sulastri
Tropical Peatlands: Proceedings of the International Symposium on Tropical Peatlands, Bogor, Indonesia, 22-23 November 1999   413-422   Mar 2000
Surface water quality in Central Kalimantan, Indonesia
Kurasaki M, DHartoto DI, Saito T, Suzuki-Kurasaki M, Iwakuma T
Tropical Peatlands: Proceedings of the International Symposium on Tropical Peatlands, Bogor, Indonesia, 22-23 November 1999   367-374   Mar 2000
Ground water recharge in Central Kalimantan deduced from isotopic hydrology
Tanaka N, Pongpiajun S, Iwakuma T
Tropical Peatlands: Proceedings of the International Symposium on Tropical Peatlands, Bogor, Indonesia, 22-23 November 1999   359-365   Mar 2000

Books etc

 
La vida als rius I els llacs.
In : R. Folch and J. M. Camarasa(eds. ), Biosphera 6. Selves temperades   1997   
Biological Monitoring of the Environment: A Manual of Methods, Salanki J, Jefferey D & Hughes GM (eds.), pp. 161-164
Yasuno, M, Iwakuma T (Part:Contributor, Use of chironomids as an indicator of the environmental state(pp. 161-164))
CAB International, Wallingford   Apr 1994   ISBN:9780851988931
Wetland Management: Proceedings of the International Conference Organized by the Institution of Civil Engineers and Held in London on 2-3 June 1994, Falconer RA & Goodwin P (eds.)
Hirata T, Nohara S, Iwakuma T, Tang C, Nakatsuji K (Part:Contributor, Seasonal changes of groundwater chemistry in Miyatoko mire(pp. 260-269))
Thomas Telford, London   1994   ISBN:9780727719942
Seasonal changes of groundwater chemistry in Miyatoko mire.
In : Falconer, R. A. and P. Goodwin(eds. ), Wetland Management, pp. 260-269, Thomas Telford   1994   
Use of chironomids as an indicator of the environmental state.
In : Salanki, J, D. Jefferey and G. M. Hughes(eds), Biological Monitoring of the Environment : A Manual of Methods, pp. 161-164, CAB International   1994   
Biological Monitoring of Environmental Pollution: Proceedings of the Fourth IUBS International Symposium on Biomonitoring of the State of the Environment (Bioindicators), 6-8 November 1987, Tokyo, Japan, Yasuno, M & Whitton BA (eds.)
Iwakuma, T., Yasuno, M., Sugaya Y., Sasa M. (Part:Contributor, Three large species of Chironomidae (Diptera) as biological indicators of lake eutrophication(pp. 101-113))
Tokai University Press, Tokyo   1988   ISBN:9784486010371
Three large species of Chironomidae(Diptera)as biological indicatiors of lake eutrophication.
Biological Monitoring of Environmental Pollution pp. 101-113, Tokai Univ. Press   1988   

Works

 
Environmental Conservation and Land Use Management of Wetland Ecosystem in Southeast Asia
1997
Fate of environmental pollutants and their impacts on humans in tropical ecosystems
2000
Scientific Research of the Oze Area in Central Japan
1994 - 1997

Research Grants & Projects

 
Japan Society for the Promotion of Science: Grant-in-Aid for Scientific Research (C)
Project Year: Apr 2008 - Mar 2010    Investigator(s): IWAKUMA Toshio
Environmental conservation and land use management of wetland ecosystem in Southeast Asia
Japan Society for the Promotion of Science: Core University Program
Project Year: Apr 2002 - Mar 2007    Investigator(s): IKEDA Motoyoshi
Littoral ecosystems of tropical lowland lakes : their structure and response to water level change
Japan Society for the Promotion of Science: Grant-in-Aid for Scientific Research (C)
Project Year: Apr 2003 - Mar 2005    Investigator(s): IWAKUMA Toshio
Fate of environmental pollutants and their health effects in tropical ecosystems
Japan Society for the Promotion of Science: Grant-in-Aid for Scientific Research (C)
Project Year: Apr 2000 - Mar 2002    Investigator(s): IWAKUMA Toshio
Environmental conservation and land use management of wetland ecosystem in Southeast Asia
Japan Society for the Promotion of Science: Core University Program
Project Year: Apr 1998 - Mar 2002    Investigator(s): NISHI Norio
Fukushima, Gunma and Niigata Prefectures: Joint Research Funded by Fukushima, Gunma and Niigata Prefectures
Project Year: Apr 1994 - Mar 1999    Investigator(s): OHSHIMA Yasuyuki
Environmental conservation and land use management of wetland ecosystem in Southeast Asia
Japan Society for the Promotion of Science: Core University Program
Project Year: Apr 1997 - Mar 1998    Investigator(s): TOKURA Seiichi
Joint Sino-Japanese Research on Environmental Conservation of Lake Xi, Near Hangzhou
The Toyota Foundation: Foundation Initiative Grants
Project Year: Apr 1996 - Mar 1997    Investigator(s): OKINO Tokio
Joint Sino-Japanese Research on Environmental Conservation of Lake Xi, in Hangzhou
The Toyota Foundation: Foundation Initiative Grants
Project Year: Apr 1994 - Mar 1995    Investigator(s): OKINO Tokio
Preparatory Planning for Joint Sino-Japanese Research on Environmental Conservation of Lake Xi, in Hangzhou
The Toyota Foundation: Foundation Initiative Grants
Project Year: Apr 1993 - Mar 1994    Investigator(s): KANDA Hiroshi
Experimental analysis of interactions of aquatic organisms using mesocosms
Ministry of Education, Science and Culture, Japan: Grant-in-Aid for Special Project Research
Project Year: Apr 1986 - Mar 1987    Investigator(s): SAIJO Yatsuka
Experimental analysis of interactions of aquatic organisms using mesocosms
Ministry of Education, Science and Culture, Japan: Grant-in-Aid for Special Project Research
Project Year: Mar 1985 - Apr 1986    Investigator(s): SAIJO Yatsuka
Ministry of Education, Science and Culture, Japan: Special Research, Environmental Science
Project Year: Apr 1984 - Mar 1985    Investigator(s): YASUNO Masayuki
Ministry of Education, Science and Culture, Japan: Special Research, Environmental Science
Project Year: Apr 1982 - Mar 1983    Investigator(s): YASUNO Masayuki
Ministry of Education, Science and Culture, Japan: Special Research, Environmental Science
Project Year: Apr 1981 - Mar 1982    Investigator(s): YASUNO Masayuki
Study on the Impact of Chemicals on Aquatic Ecosystems
Trophic Interactions and Maintenance Mechanism of Biodiversity in Freshwaters
Study on the Functioning of River,Liver,Lake and Mire Ecosystems

Others

 
Mar 2012
Professional Engineers, Japan (Comprehensive Technical Management)
Mar 2011
Professional Engineers, Japan (Environment)