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konkoetsu

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KON Koetsu, PhD
Associate Professor, Department of Ocean Sciences
Tokyo University of Marine Science and Technology

E-mail: kon (at) kaiyodai.ac.jp

Address: Building No.9  Office 9-207

4-5-7 Konan, Minato, Tokyo 108-8477 Japan

Research interest

Marine ecology, Community ecology, Conservation ecology, Behavioral ecology, Benthology

Keywords

allochthonous input, aquaculture, community structure, disturbance, ecosystem engineering, ecotone, estuary, food web, mangrove, replanting, resources partitioning, restoration, rocky reef, sandy beach, Southeast Asia, species interaction, stable isotope

Carrier and Education

Experience

Apr. 2021 –  present

Associate professor, Department of Ocean Sciences

Tokyo University of Marine Science and Technology

Nov. 2011 –  Mar. 2021

Assistant professor, Faculty of Life and Environmental Sciences

Shimoda Marine Research Center, University of Tsukuba

Apl. 2010 – Oct. 2011

JSPS Research Fellow (PD), Department of Living Marine Resources

Atmosphere and Ocean Research Institute, The University of Tokyo

Apl. 2009 – Mar. 2010

JSPS Research Fellow (PD), Department of Global Agricultural Sciences

Graduate School of Agricultural and Life Sciences, The University of Tokyo

Apl. 2008 – Mar. 2009

JSPS Research Fellow (DC2), Department of Global Agricultural Sciences

Graduate School of Agricultural and Life Sciences, The University of Tokyo

Education

Mar. 2009  Ph.D.

Department of Global Agricultural Sciences, Graduate School of Agricultural and Life Sciences

The University of Tokyo (supervisor: Prof. Hisashi Kurokura)


Mar. 2006  M.A.

Department of Global Agricultural Sciences, Graduate School of Agricultural and Life Sciences

The University of Tokyo (supervisor: Prof. Hisashi Kurokura)


Mar. 2006  M.A.(sub-major)

Department of Aquatic Bioscience, Graduate School of Agricultural and Life Sciences

The University of Tokyo (supervisor: Prof. Yoshiro Watanabe)


Mar. 2004  B.S.

Department of Marine Biological Science, Faculty of Fisheries

Hokkaido University (supervisor: Assoc. prof. Seiji Goshima)

Publicaitons

Papers (Peer reviewed)

  1. Horinouchi M., Tongnunui P., Kaeoprakan P., Hukiew P., Furumitsu K., Kon K., Nakamura Y., Kanou K., Yamaguchi A., Okamoto K. and Sano M. Fish assemblage structures in planted seagrass habitats, compared with natural seagrass habitats: a field experiment in an intertidal bay in Trang, southern Thailand. Ichthyological Research 2024

  2. Yamashita R., Toyama T., Yamazaki K. and Kon K. Discovery of Automate hayashii Anker and Komai, 2004 (Caridea: Alpheidae) in the Kanto region, eastern Japan since the holotype specimen from Hokkaido, northern Japan. Aquatic Animals AA 2024-25. 2024 (in Japanese)

  3. Matsumoto R. and Kon K. Food habit of chiton Acanthopleura japonica from Jogashima, Miura peninsula, Kanagawa prefecture, Japan. La mer 61; 13–18. 2023

  4. Yamashita R., Komai T. and Kon K. Metabetaeus lapillicola, a new species of alpheid shrimp (Decapoda: Caridea) from Japan, inhabiting unusual pebble beaches. Zootaxa 5258 (3): 317–330. 2023

  5. Shimizu M., Nanjo K., Tanita I., Kon K. and Yamada H. Food habits of fishes in a subtropical seagrass bed in Nagura Bay, Ishigaki Island, southern Japan. Journal of the Marine Biological Association of the United Kingdom 102: 361-369. 2022

  6. Kon K., Goto A., Tanita I. and Yamada H. Multiple effects of a typhoon strike and wastewater effluent on benthic macrofaunal communities in a mangrove estuary. Hydrobiologia 849: 2569–2579. 2022

  7. Hall-Spencer J., Belfiore G., Tomatsuri M., Porzio L., Harvey B., Agostini S. and Kon K. Decreased diversity and abundance of marine invertebrates at CO2 seeps in warm temperate Japan. Zoological Science 39: 41–51. 2022

  8. Agostini S., Harvey B., Milazzo M., Wada S., Kon K., Floc’h N., Komatsu K., Kuroyama M. and Hall-Spencer J. Simplification, not ‘tropicalization’, of temperate marine ecosystems under ocean warming and acidification. Global Change Biology 27: 4771–4784. 2021

  9. Yamakawa U., Kanou K., Tsuda Y. and Kon K. Food resource use by juveniles of the endangered sleeper Eleotris oxycephala in the Sagami River system, Japan. Ichthyological Research  68: 426-436. 2021

  10. Harvey B., Kon K., Agostini S., Wada S. and Hall-Spencer J. Ocean acidification will lock algal communities in a species-poor early successional stage. Global Change Biology 27: 2174-2187. 2021

  11. Harvey B., Allen R., Agostini S., Hoffmann L., Kon K., Summerfield L. Wada S. and Hall-Spencer J. Feedback mechanisms stabilise degraded turf algal systems at a CO2 seep site. Communications Biology 4: 219. 2021

  12. Yamada. H., Tanita I., Watanabe S., Nanjo K. and Kon K. Distributional characteristics of seagrass bed of Zostera japonica confirmed in intertidal zone around Yaeyama Islands. Nippon Suisan Gakkaishi 87: 43-45. 2021 (in Japanese)

  13. Kerfahi D., Harvey B., Agostini S., Kon K., Huang R., Adams J. and Hall-Spencer J. Responses of intertidal bacterial biofilm communities to increasing pCO2. Marine Biotechnology 22: 727-738. 2020

  14. Yamada. H., Kon K., Nakamoto K., Hayakawa J., Nanjo K. and Kawamura T. Feeding habits of juvenile Siganus fuscescens in a subtropical seagrass meadow estimated by rearing experiments and dual stable isotope analysis. Aquaculture Science 68: 163-167. 2020 (in Japanese)

  15. Horinouchi M., Kanou K., Kon K., Tongnunui P. and Sano M. Fish and macroinvertebrate fauna associated with floating or drifting surface water mangrove litter in a shallow coastal area in Trang, southern Thailand.  Ichthyological Research 67: 177–184. 2020

  16. Harvey B., Agostini A., Kon K., Wada S. and Hall-Spencer J. Diatoms Dominate and Alter Marine Food-Webs When CO2 Rises. Diversity 11(12): 242. 2019

  17. Tomatsuri M. and Kon K. Impacts of ocean acidification on hermit crab communities through contrasting responses of Pagurus filholi (de Man, 1887) and Clibanarius virescens (Krauss, 1843) Aquatic Ecology 53: 569–580. 2019

  18. Yamakawa U., Kaneko S., Imai R., Faulks L. K., Kon K., Kyogoku D., Isagi Y. and Tsuda Y*. Development of microsatellite markers for the endangered sleeper, Eleotris oxycephala (Perciformes: Eleotridae) Genes & Genetic Systems 94: 219-224. 2019

  19. Kanou K., Horinouchi M., Tongnunui P., Kon K. and Sano M. Morphological development and occurrence patterns of larval and juvenile halfbeaks, Zenarchopterus spp., associated with mangrove flotsam in a shallow coastal area, Trang, southern Thailand. Biogeograph 21: 6-11 2019

  20. Hirano H., Kon K., Yoshida M., Harvey B., Setiamarga D*. The influence of CO2 seeps to coastal environments of Shikine Island in Japan as indicated by geochemistry analyses of seafloor sediments. International Journal of GEOMATE 16: 82-89. 2019

  21. Agostini S., Harvey B,, Wada S,, Kon K,, Milazzo M,, Inaba K, and Hall-Spencer J. Ocean acidification drives community shifts towards simplified non-calcified habitats in a subtropical-temperate transition zone. Scientific Reports 8: 11354. 2018

  22. Yamada H., Nakamoto K., Hayakawa J., Kawamura T., Kon K., Shimabukuro H. and Fukuoka K. Seasonal variations in leaf growth of Cymodocea serrulata in subtropical seagrass meadows. Fisheries Science 84:461-468. 2018

  23. Tomatsuri M. and Kon K. Effects of dead oyster shells as a habitat for the benthic faunal community along rocky shore regions. Hydrobiologia 790:225-232. 2017

  24. Kodama M., Ohtsuchi N. and Kon K. A new species of the genus Rhinoecetes Just, 1983 (Crustacea: Amphipoda: Ischyroceridae) from Japan. Zootaxa 4169: 133–144. 2016

  25. Yamada H., Shimabukuro H., Hayakawa J., Nakamoto K., Kawamura T. and Kon K. Assesment of feeding preference for subtropical macrophytes in young Siganus fuscescens. Nippon Suisan Gakkaishi 82: 631-633. 2016 (in Japanese)

  26. Okamoto Y., Muto N., Kon K., Watanabe K., Yoshikawa T., Salaenoi J. and Ishikawa S. Stable isotope analysis suggesting existing of plural populations of Streaked Spinefoot (Siganus javus; Linnaeus, 1766) in Bandon Bay, Southern Thailand. Int. Aquat. Res. 8: 169-178 2016

  27. Horinouchi M., Tongnunui P., Furumitsu K., Kon K., Nakamura Y., Kanou K., Yamaguchi A., Seto K., Okamoto K., and Sano M. Effects of habitat change from a bare sand/mud area to a short seagrass Halophila ovalis bed on fish assemblage structure: a case study in an intertidal bay in Trang, southern Thailand. Ichthyol. Res. 63: 391-404. 2016

  28. Tongnunui P., Yoknoi N., Pechnoi P., Yamada H. and Kon K. The first record of female maturation of shot finned eel, Anguilla bicolor bicolor in coastal waters of Thailand. Trop. Life Sci. Res. 27: 145-152. 2016

  29. Yamada H., Hayakawa J., Nakamoto K., Kawamura T. and Kon K. Effects of artificial seaweed on vulnerability of two gastropod species (Cetithium zonatum and Clypeomorus bifasciata) to carnivorous crab Calappa hepatica. Nippon Suisan Gakkaishi 82: 33-35. 2016 (in Japanese)

  30. Kon K., Tsuchiya Y., Sato T., Shinagawa H. and Yamada Y. Role of microhabitat heterogeneity in benthic faunal communities in sandy bottom sediments of Oura Bay, Shimoda, Japan. Region. Stud. Mar. Sci. 2: 71-76. 2015

  31. Agostini S., Wada S., Kon K., Omori A., Kohzuka H. Fujiwara H., Tsuchiya Y., Sato T., Shinagawa H., Yamada Y. and Inaba K. Geochemistry of two shallow CO2 seeps in Shikine Island (Japan) and their potential for ocean acidification research. Region. Stud. Mar. Sci. 2: 45-53. 2015

  32. Tomatsuri M. and Kon K. Comparison of three methods for testing the prey preference of the Muricid snail Reishia clavigela. J. Mar. Biol. Article ID 484392. 2015

  33. Kon K., Tongnunui P. and Kurokura H. Do allochthonous inputs represent an important food resource for benthic macrofaunal communities in estuarine mudflats? Food Webs 2: 10–17. 2015

  34. Kon K., Hoshino Y., Kanou K., Okazaki D., Nakayama S. and Kohno H. Benthic food web of a salt marsh in an artificial lagoon, central Japan. Aquatic Ecosystem Health & Management 16: 40-50. 2013

  35. Kon K., Hoshino Y., Kanou K., Okazaki D., Nakayama S. and Kohno H. Importance of allochthonous materials in benthic macrofaunal community functioning in estuarine salt marshes. Estuarine, Coastal and Shelf Science 96: 236-244. 2012

  36. Kon K., Kurokura H. and Tongnunui P. Influence of microhabitat on the structuaring of the benthic macrofaunal community in a mangrove forest. Hydrobiologia 671: 205-216. 2011

  37. Kon K., Kurokura H. and Tongnunui P. Effects of physical structure of mangrove vegetation on a benthic faunal community. Journal of Experimental Marine Biology and Ecology 383: 171-180. 2010

  38. Kon K., Kawakubo N., Aoki J., Tongnunui P., Hayashizaki K. and Kurokura H. Effect of shrimp farming organic waste on food availability for deposit feeder crabs in a mangrove estuary, based on stable isotope analysis . Fisheries Science 75: 715-722. 2009

  39. Kon K., Kurokura H., and Tongnunui P. Do mangrove root structures function to shelter benthic macrofauna from predators? Journal of Experimental Marine Biology and Ecology 370: 1-8. 2009

  40. Kon K., Kanou K., Inoue T., Kobayashi A., Hayashizaki K., and Kurokura H. Food resource partitioning among fishes in an estuarine nursery as revealed by stable isotope analysis. La mer 46: 13-17. 2008

  41. Kon K., Kurokura H., and Hayashizaki K. Role of microhabitats in food webs of benthic communities in a mangrove forest. Marine Ecology Progress Series 340: 55-62. 2007

  42. Yamanoi T., Yoshino K., Kon K., and Goshima S. Delayed copulation as a means of female choice by the hermit crab Pagurus filholi. Journal of Ethology 24: 213-218. 2006

Papers (Others)

  1. Yamakawa U., Imai R.,, Kon K. and Tsuda Y. Record of Odontobutis obscura from Tone River in Ibaraki, Japan. Ibaraki Seibutsu 38:2-5. 2018  (in Japanese)

  2. Okamoto Y. Ishikawa S., Kon K., Watanabe K., Yoshikawa T., Salaenoi J.Food web structure of bivalves aquaculture in Bandon Bay, Southern Thailand. Nippon Suisan Gakkaishi 80: 838, 2014 (in Japanese)

  3. Kon K., Khrueniam U., Arimoto T., Yoshikawa T., Okamoto Y. Ishikawa S. Trophic level analysis of set-net catch in Rayong coast, Gulf of Thailand. Nippon Suisan Gakkaishi 80: 837, 2014 (in Japanese)

  4. Kon K. and Kurokura H. Food web structure of benthic community in mangrove forest. Kaiyo monthly 41: 177-183. 2009 (in Japanese)

Books

  1. Hall-Spencer J. and Kon K. Human Impact. In: Inaba K. and Hall-Spencer J. (eds), Japanese Marine Life -A Practical Training Guide in Marine Biology-. Springer. 297-305. 2020

  2. Kon K., Yamashiro H., Horinouchi M. and Kawaida S. Experimental Design in Marine Ecology. In: Inaba K. and Hall-Spencer J. (eds), Japanese Marine Life -A Practical Training Guide in Marine Biology-. Springer. 273-282. 2020

  3. Harvey B., Kon K. Agostini S. Survey Techniques in Marine Ecology. In: Inaba K. and Hall-Spencer J. (eds), Japanese Marine Life -A Practical Training Guide in Marine Biology-. Springer. 263-271. 2020

  4. Fujiwara Y. and Kon K. Marine Ecology: Sea Shelf to Deep Sea. In: Inaba K. and Hall-Spencer J. (eds), Japanese Marine Life -A Practical Training Guide in Marine Biology-. Springer. 255-262. 2020

  5. Kon K., Shimanaga M. and Horinouchi M. Marine Ecology: Intertidal/Littoral Zone. In: Inaba K. and Hall-Spencer J. (eds), Japanese Marine Life -A Practical Training Guide in Marine Biology-. Springer 241-254. 2020

  6. Kon K. Distribution of Organisms on the Seashore. In: Inaba K. and Hall-Spencer J. (eds), Japanese Marine Life -A Practical Training Guide in Marine Biology-. Springer 75-83. 2020

  7. Kon K. Mullet is not detritovore: revealed by stable isotope analysis. In Kohno H., Kanou K. and Yokoo T. (eds), Fish in Tokyo Bay. Heibonsha, Tokyo. 133. 2011 (in Japanese)

  8. Kon K., Kurokura H., and Ogawa H. Importance of microhabitats for benthic faunal production in intertidal mangrove forests. In: Furumai H., Katayama H., Kurisu F., Satoh H., Ohgaki S., and Thanh N. C. (eds), Southeast Asian water environment 2. IWA Publishing, London, 35-42. 2007

Research Grants

  1. Grant-in-Aid for Scientific Research (B) (representative) Compositive impacts of ocean acidification on benthic faunal communities; integration of direct and indirect effects, Apl. 2018 – Mar. 2022.

  2. Grant-in-Aid for Young Scientists B (representative) Role of drift resources for benthic faunal production in sand flat, Apl. 2016 – Mar. 2018

  3. Sasakawa Scientific Research Grant, The Japan Science Society (representative) Impacts of ocean acidification on benthic faunal communities in a rocky shore, Apl. 2016 – Feb. 2017

  4. Grant-in-Aid for Young Scientists B (representative) Effects of allochthonous inputs on estuarine productivity, Apl. 2012 – Mar. 2015

  5. Grant-in-Aid for JSPS Fellows (representative) Effects of mangrove reforestation on benthic faunal community, Apl. 2010 – Mar. 2012

  6. Grant-in-Aid for JSPS Fellows (representative) Clarification of trophic structure of mangrove forest in Southern Thailand, Apl. 2008 – Mar. 2010

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