Iwata Tomoya

J-GLOBAL         Last updated: Sep 14, 2019 at 02:40
Iwata Tomoya
University of Yamanashi
Graduate Faculty of Interdisciplinary Research Faculty of Life and Environmental Sciences, Environmental Science (Environmental Sciences)
Job title
Associate Professor
Doctor of Science(京都大学)
Research funding number

Research Areas


Academic & Professional Experience

Apr 2003
Assistant Professor, University of Yamanashi
Apr 2007
Associate Professor, University of Yamanashi


Mar 1998
Hokkaido University
Mar 2000
Hokkaido University
Mar 2003
Kyoto University

Published Papers

Identification of Phosphorus Sources in a Watershed Using a Phosphate Oxygen Isoscape Approach
Ishida, Takuya; Uehara, Yoshitoshi ; Iwata, Tomoya; Cid-Andres, Abigail P.; Asano, Satoshi ; Ikeya, Tohru ; Osaka , Ken’ichi; Ide, Jun'ichiro; Privaldos, Osbert ; Jesus, Irisse ; M. Peralta, Elfritzson ; Triño, Ellis ; Ko, Chia-Ying; Paytan, Adina; Tayasu, Ichiro ; Okuda, Noboru
Environmental Science & Technology      2019
River metabolism along a latitudinal gradient across Japan and in a global scale
Anandeeta Gurung, Tomoya Iwata, Daisuke Nakano and Jotaro Urabe
Scientific Reports   9    Mar 2019   [Refereed]
Biodiversity of leaf litter fungi in streams along a latitudinal gradient
Sahadevan Seena, and other 31 authors
Science of the Total Environment   661 306-315   Jan 2019   [Refereed]
Global patterns and drivers of ecosystem functioning in rivers and riparian zones
Scott Tiegs, David Costello, and others
Science Advances   5    Jan 2019   [Refereed]
Assessing alpha and beta diversities of benthic macroinvertebrates and their environmental drivers between watersheds with different levels of habitat transformation in Japan
Chia-Ying Ko, Tomoya Iwata, Jun-Yi Lee, Aya Murakami, Junichi Okano, Naoto F. Ishikawa, Yoichiro Sakai, Ichiro Tayasu, Masayuki Itoh, Uhram Song, Hiroyuki Togashi, Shinich Nakano, Nobuhito Ohte and Noboru Okuda
Marine and Freshwater Research      Nov 2018   [Refereed]
Species distribution and predictive habitat modelling of amphibians in Yamanashi Prefecture, Japan
Mitsuko Yumoto, Tomoya Iwata and Tetsu Hirata
爬虫両棲類学会報   2018(1) 1-13   May 2018   [Refereed]
Detection of 2-aminoethylphosphonic acid in suspended particles in an ultraoligotrophic lake: a two-dimensional nuclear magnetic resonance (2D-NMR) study
Ryuichiro Shinohara, Tomoya Iwata, Yoshiki Ikarashi and Tomoharu Sano
Environmental Science and Pollution Research   25(30) 30739-30743   Mar 2018   [Refereed]
Diversity of anaerobic arsenite‐oxidizing bacteria in low‐salt environments analyzed with a newly developed PCR‐based method
Melody Cabrera Ospino, Hisaya Kojima, Tomohiro Watanabe, Tomoya Iwata and Manabu Fukui
Limnology   19(2) 177-183   Feb 2018   [Refereed]
Nitrogen and phosphorus dynamics in a large river estimated by an in situ Lagrangian tracking approach
Yuta Kobayashi and Tomoya Iwata
Freshwater Biology   62(12) 1997-2007   Oct 2017   [Refereed]
Riparian plant litter quality increases with latitude
Luz Boyero, Manuel A.S. Graca, and other 30 authors
Scientific Reports      Sep 2017   [Refereed]
Dominance of Sulfuritalea species in nitrate-depleted water of a stratified freshwater lake and arsenate respiration ability within the genus
T. Watanabe, A. Miura, T. Iwata, H.Kojima, M. Fukui
Environmental Microbiology Reports   9(5) 522-527   Jun 2017   [Refereed]
Integrated trophic position decreases in more diverse communities of stream food webs
N. Ishikawaほか
Scientific Reports      May 2017   [Refereed]
Life history traits and ecological conditions influencing the symbiotic relationship between the flatworm Stylochoplana pusilla and host snail Monodonta labio
Yuta Fujiwara,Tomoya Iwata,Jotaro Urabe,Satoshi Takeda
Journal of the Marine Biological Association of the United Kingdom   96 667-672   May 2016   [Refereed]
Biotic and abiotic variables influencing plant litter breakdown in streams: a global study
Luz Boyero,Richard G. Pearson,その他32名
Proceedings of the Royal Society B: Biological Sciences   283    Apr 2016   [Refereed]
Dynamics of phosphorus transport and retention in a river network
地球環境   20 27-34   Jul 2015   [Refereed]
Identification of Major Planktonic Sulfur Oxidizers in Stratified Freshwater Lake
Hisaya Kojima,Tomohiro Watanabe,Tomoya Iwata,Manabu Fukui
PLOS ONE   9(4)    Apr 2014   [Refereed]
Fluvial transport of carbon along the river-to-ocean continuum and its potential impacts on a brackish water food web in the Iwaki River watershed, northern Japan
Tomoya Iwata,Takao Suzuki,Hiroyuki Togashi,Naoto Koiwa,Hideaki Shibata,Jotaro Urabe
Ecological Research   28(5) 703-716   Apr 2013   [Refereed]
Strategies for the conservation and management of isolated salmonid populations: lessons from Japanese streams
Jun-ichi Tsuboi,Tomoya Iwata,Kentaro Morita,Shinsuke Endou,Hideki Oohama,Kouichi Kaji
Freshwater Biology   58(5) 908-917   Jan 2013   [Refereed]
Distribution of putative denitrifying methane oxidizing bacteria in sediment of a freshwater lake, Lake Biwa
Hisaya Kojima,Masazumi Tsutsumi,Kanako Ishikawa,Tomoya Iwata,Marc Mussmann,Manabu Fukui
Systematic and Applied Microbiology   35    Apr 2012   [Refereed]
Dissolved organic carbon as major environmental factor affecting bacterioplankton communities in mountain lakes of eastern Japan
Masanori Fujii,Hisaya Kojima,Tomoya Iwata,Jotaro Urabe,Manabu Fukui
Microbial Ecology   63(3) 496-508   Apr 2012   [Refereed]
Methane emission from wetlands through snowpacks during winter season
Low Temperature Science   70 137-144   Mar 2012
A global experiment suggests climate warming will not accelerate litter decomposition in streams but might reduce carbon sequestration
Luz Boyero,Richard G. Pearson,Mark O. Gessner,Leon A. Barmuta,Verónica Ferreira,その他30名
Ecology Letters   114 289-294   Mar 2011   [Refereed]
Spatio-temporal variations in an assemblage of closely related planktonic aerobic methanotrophs
Masazumi Tsutsumi,Tomoya Iwata,Hisaya Kojima,Manabu Fukui
Freshwater Biology   56 342-351   Feb 2011   [Refereed]
Within-lake and watershed determinants of carbon dioxide in the surface water: a comparative analysis for a variety of lakes in Japanese Islands
Jotaro Urabe,Tomoya Iwata,Yosuke Yagami,Eriko Kato,Takao Suzuki,その他2名
Limnology and Oceanography   56 49-60   Jan 2011   [Refereed]
Effects of drainage-basin geomorphology on insectivorous bird abundance in temperate forests
Tomoya Iwata,Jotaro Urabe,Hiromune Mitsuhashi
Conservation Biology   24    May 2010   [Refereed]
Marine subsidies have multiple effects on coastal food webs
David A. Spiller,Jonah Piovia-Scott,Amber N. Wright,Louie H. Yang,Gaku Takimoto,Thomas W. Schoener,Tomoya Iwata
Ecology   91 1424-1434   May 2010   [Refereed]
Food webs in Mongolian grasslands: The analysis of 13C and 15N natural abundances
Ayato Kohzu,Tomoya Iwata,Makoto Kato,Junko Nishikawa,Eitaro Wada その他3名
Isotopes in Environmental and Health Studies   45(3) 208-219   Sep 2009   [Refereed]
DNA-based analysis of planktonic methanotrophs in a stratified lake
Freshwater Biology   54    Apr 2009   [Refereed]
Stock assessment and fisheries management of Henicorhynchus spp, Cyclocheilichthys enoplos and Channa micropeltes in the Tonle Sap Great Lake, Cambodia
Nguyen T. Hai Yen,Kengo Sunada,Satoru Oishi,Kou Ikejima,Tomoya Iwata
Journal of Great Lakes Research   35    Apr 2009   [Refereed]
Isotopic composition of nitrogeneous compounds with emphasis on anthropogenic loading in river ecosystems
Junko Nishikawa,Ayato Kohzu,Narin Boontanon,Tomoya Iwata,Takuya Tanaka,Nanako O. Ogawa,Reiichiro Ishii,Eitaro Wada
Isotopes in Environmental and Health Studies   45 27-40   Mar 2009   [Refereed]
Timescale hierarchy determines the indirect effects of fluctuating subsidy inputs on in situ resources
Gaku Takimoto,Tomoya Iwata,Masashi Murkami
The American Naturalist   173 200-211   Feb 2009   [Refereed]
The spatial distribution of fish species catches in relation to catchment and habitat features in the floodplain lot fisheries of Tonle Sap Lake, Cambodia
Nguyen T. Hai Yen,Kengo Sunada,Satoru Oishi,Yasusi Sakamoto,Kou Ikejima,Tomoya Iwata
Journal of Fisheries and Aquatic Science   3 213-227   Jan 2008   [Refereed]
Metabolic balance of streams draining urban and agricultural watersheds in central Japan
Tomoya Iwata,and other 25 authors
Limnology   8 243-250   Dec 2007   [Refereed]
Linking stream habitats and spider distribution: spatial variations in trophic transfer across a forest-stream boundary
Tomoya IWATA
Ecological Research   22 619-628   Jul 2007   [Refereed]
保全生態学研究      Apr 2006   [Refereed]
Stream food web fueled by methane-derived carbon
Ayato Kohzu,Chika Kato,Tomoya Iwata,Daisuke Kishi,Masashi Murakami,Shigeru Nakano,Eitaro Wada
Aquatic Microbial Ecology   36 189-194   Apr 2004   [Refereed]
Prey use by web-building spiders: stable isotope analyses of trophic flow at a forest-stream ecotone
Chika Kato,Tomoya Iwata,Eitaro Wada
Ecological Research   19 633-643   Apr 2004   [Refereed]
Fish assemblage composition, abundance-habitat relationships and habitat use in tropical rain forest streams, Sarawak, Borneo: effects of past riparian deforestation.
Mikio Inoue,Tomoya Iwata,Shigeru Nakano,Atushi Doi,Hitsohi Miysaka
Biosphere Conservation   5 71-86   Jul 2003   [Refereed]
Incidental catch of harbor porpoises in set-nets in the coastal waters of southern Hokkaido, Japan.
Tomoya Iwata,Susumu Shimizu,Yasuzumi Fujimori,Teisuke Miura
Fisheries Science   69 657-659   Jul 2003   [Refereed]
Dynamics of aquatic insect flux affects distribution of riparian web-building spiders.
Chika Kato,Tomoya Iwata,Shigeru Nakano,Daisuke Kishi
Oikos   103 113-120   Jul 2003   [Refereed]
Stream meanders increase insectivorous bird abundance in riparian deciduous forests.
Tomoya Iwata,Shigeru Nakano,Masahi Murakami
Ecography   26 325-337   Jul 2003   [Refereed]
Shrimp abundance and habitat relationships in tropical rain-forest streams, Sarawak, Borneo.
Tomoya Iwata,Mikio Inoue,Shigeru Nakano,Hitoshi Miyasaka,Atsushi Doi,Alan P. Covich
Journal of Tropical Ecology   19 387-395   Jul 2003   [Refereed]
Impacts of past riparian deforestation on stream communities in a tropical rain forest in Borneo.
Tomoya Iwata,Shigeru Nakano,Mikio Inoue
Ecological Applications   13 461-473   Apr 2003   [Refereed]
Seasonal subsidy stabilizes food web dynamics: balance in a heterogeneous landscape.
Gaku Takimoto,Tomoya Iwata,Masashi Murakami
Ecological Research   17(4) 433-439   Jul 2002   [Refereed]
Trophic cascading effects of predatory fish on leaf litter processing in a Japanese stream.
Motoharu Konishi,Shigeru Nakano,Tomoya Iwata
Ecological Research   16(3) 415-422   Sep 2001   [Refereed]
A collection of freshwater fishes from the Rayu basin of western Sarawak, Malaysia.
Atushi Doi,Tomoya Iwata,Mikio Inoue,Hitoshi Miyasaka,M.S. Sabki,Shigeru Nakano
Raffles Bulletin of Zoology   49(1) 13-17   Jan 2001   [Refereed]
知床博物館研究報告   21 43-50   Jan 2000
Report of the 1996/97 Japanese Whale Research Program Under Special Permit in the Antarctic (JARPA) in Area V and western part of Area VI.
S. Nishiwakiほか13名
International Whaling Commission SC/49/SH10. 37pp.        Oct 1997
Cruise report of the 1996 Japanese Whale Research Program under a Special Permit for western North Pacific (1996 JARPN) and some preliminary analysis of the data collected from 1996 JARPN.
Y. Fujiseほか13名
International Whaling Commission SC/49/NP8      Oct 1997

Books etc

大竹久夫ほか (Part:Joint Work, 「生物圏でのリン循環 2-2-2 河川生態系」)
朝倉書店   Nov 2017   
河村公隆ほか (Part:Joint Work, 7-13「湿地・湖沼のメタン循環」)
朝倉書店   Jul 2016   
Structure and Function of Mountain Ecosystems in Japan
Gaku Kudo editor (Part:Joint Work, -)
Springer   Apr 2016   
中村太士,井上幹生,岩田智也,加賀谷隆,笠原玉青,ほか17名 (Part:Joint Work, -)
講談社   Jan 2013   
共立出版   Mar 2012