Achievements

2014

Original Article:

  • Gao, X., Endo, H., Taniguchi, K., Agatsuma Y., Effects of experimental thinning on the growth and maturation of the brown alga Undaria pinnatifida (Laminariales; Phaeophyta) cultivated in Matsushima Bay, northern Japan, J Appl Phycol ., 26:529?535 (2014) (Refereed)

  • Agatsuma, Y., Endo H., Yoshida, S., Ikemori, C., Takeuchi, Y., Fujishima, H., Nakajima, K., Sano, M., Kanezaki, N., Imai, H., Yamamoto , N., Kanahama, H., Matsubara, T., Takahashi, S., Isogai, T., Taniguchi, K., Enhancement of Saccharina kelp production by nutrient supply in the Sea of ​​Japan off southwestern Hokkaido, Japan. Phycol., 26: 1845-1852 (2014) (Refereed)

  • Agatsuma, Y., Population dynamics of edible sea urchins associated with variability of seaweed beds in northern Japan. Aqua-Bio. Sci. Monogr., 7: 47-78 (2014) (Refereed)

  • Yukio Azuma, Bafun sea urchins inhabiting Rishiri Island, the northern limit of distribution. Rishiri Research 33, 83-86 (2014)

  • Komatsu, T., Mizuno, S., Mizuno, S., Natheer, A., Kantachumpoo, A., Tanaka, K., Morimoto, A., Hsiao, S.-H., Rothausler, E.A., Shishidou, H. ., Aoki, M., Ajisaka, T. Unusual distribution of floating seaweeds in the East China Sea in the early spring of 2012. J Appl Phycol., 26: 1169–1179 (2014)(Refereed)

  • Gao, X., Endo, H., Agatsuma Y., Effect of increased seawater temperature on biomass, growth, and maturation of Saccharina japonica near its southern limit in northern Japan. J Appl Phycol., published on line (2014) (Refereed)

  • Arakawa, H., Shinoda, K., Matsumoto A., Endo, H., Agatsuma, Y., Physical factors involved in the Isoyake (seaweed forest depletion) at Mio, Pacific coast of central Japan. J Mar Biol Oceanogr., 3 (4) (2014)

  • Teruhisa Komatsu, Motoki Terauchi, Akihiro Tasai, Masakazu Aoki, Yoshio Nagura, Hisao Sasaki, Ryo Tsujimoto, Shuji Sasa, Shingo Sakamoto, Tetsuo Yanagi. Coastal Marine Research, 52: 103-110 (2014) (Refereed)


Presentations:

  • Haruka Suzuki, Tomoya Aoki, Yukazu Aoki, Hikaru Endo, Ayaka Horikoshi, Yukio Azuma, Effect of ground subsidence on the growth of Arame on the coast of Kozakihama, Oshika Peninsula. The 38th Annual Meeting of the Japanese Society of Algology (Toho University, Funabashi, March 15-16, 2014) (poster presentation)

  • Yuki Kubo, Yukazu Aoki, Haruka Suzuki, Yukio Azuma. Age structure and growth of Koshidaka Gangara in the subtidal reef area of ​​Oshika Peninsula, Miyagi Prefecture. 2014 Annual Meeting of the Shell Society of Japan (Osaka City Museum of Natural History, Osaka, April 12, 2014 (oral presentation)

  • Taihei Sedo, Ayaka Horikoshi, Yukazu Aoki, Haruka Suzuki, Hikaru Endo, Yukio Azuma. Multivariate analysis of the distribution and environmental factors of three herbivorous snail species in Onagawa Bay, Miyagi Prefecture. 2014 Annual Meeting of the Shell Society of Japan (Osaka Museum of Natural History, Osaka, April 13, 2014 (oral presentation)

  • Yukari Suzuki, Yukazu Aoki, Ayaka Horikoshi, Hikaru Endo, Yukio Azuma: Seasonal changes in sargassum foliar animal community structure in Onagawa Bay, Miyagi Prefecture after the tsunami: consideration of its relationship with substrate seaweed phenology 2014 Japan Plankton Society, Bentos Joint academic conference (Hiroshima University Higashi-Hiroshima Campus, Higashi-Hiroshima City, September 4-7, 2014) (poster presentation)

  • Hikaru Endo, Kentaro Suehiro, Junji Kinoshita, Yukio Azuma  Will seaweed become easier for sea urchins to eat due to global warming and the addition of nutrients? 2014 Joint Meeting of the Plankton Society of Japan and the Society of Benthology (Hiroshima University, Higashi-Hiroshima Campus, September 4-7, 2014) (poster presentation)

  • Hikaru Endo, Ayaka Horikoshi, Haruka Suzuki, Yukio Azuma Effect of nutrient addition on the growth and color of cultured wakame seaweed 2014 Tohoku Branch Meeting of the Japanese Society of Fisheries Science (Akitasware, Akita City, November 7-8, 2014) (Oral presentation) )

  • Haruka Suzuki, Tomoya Aoki, Yukazu Aoki, Hikaru Endo, Ayaka Horikoshi, Yukio Azuma Recruitment and survival of juvenile arame along the coast of the Oshika Peninsula and environmental factors related to it 2014 Tohoku Branch Meeting of the Japanese Society of Fisheries Science (Akitasware, Akita City, November 7-8, 2014) (Oral presentation)

  • Yukio Agatsuma, Ayaka Horikoshi, Hikaru Endo, Yukazu Aoki, Mass recruitment of Kitamurasaki sea urchins along the coast of Miyagi Prefecture, 11th Echinoderm Research Meeting (Marine Research Station, Graduate School of Science, University of Tokyo, Miura City, December 6, 2014) ( oral presentation)

  • Kasumi Narita, Yuko Ichimura, Junji Kinoshita, Eri Inomata, Ayaka Horikoshi, Hikaru Endo, Yukazu Aoki, Yukio Azuma: Biological characteristics of the Kitamurasaki sea urchin population that expanded along the coast of Rausu, Hokkaido The 11th Echinoderm Research Meeting (Marine Research Station, Graduate School of Science, The University of Tokyo, Miura, December 6, 2014) (Poster presentation)

  • Mayuka Endo, Eri Inomata, Junji Kinoshita, Makoto Ogasawara, Hikaru Endo, Yukazu Aoki, Yukio Azuma Effectiveness ratio of bafun sea urchins on the coast of Miyagi Prefecture 11th Echinoderm Research Meeting (Marine experiment attached to the Graduate School of Science, the University of Tokyo) Place, Miura City, December 6, 2014) (poster presentation)

2015

Original Articles:

  • Endo, H., Suehiro, K., Kinoshita, J., Agatsuma, Y., Combined effects of temperature and nutrient enrichment on palatability of the brown alga Sargassum yezoense (Yamada) Yoshida & T. Konno. Am. J. Plant Sci ., 4: 14–20 (2015) (Refereed)

  • Gao, X., Endo, H., Agatsuma, Y., Effect of increased seawater temperature on biomass, growth, and maturation of Saccharina japonica near its southern limit in northern Japan. J Appl Phycol., 27:1263-1270 (2015 ) (Refereed)

  • Osawa, Y., Aoki, M.N., Thiel, M. & Bauer, R.T. Analysis of life-history traits in a sex changing marine shrimp (Decapoda: Caridea: Rhynchocinetidae). Biol. Bull. 228: 125-136 (2015) ( peer-reviewed)

  • Aoki, Y., Komatsu, T. Origin and fate of drifting algae – their ecology, distribution and transport. Monthly Marine, 47: 197-198 (2015) (not refereed)

  • Suzuki, Y., Aoki, Y., Shimabukuro, H., Horikoshi, A., Endo, H., Azuma, Y., Analysis of community characteristics of sargassum foliar animals: A study from post-earthquake surveys in Onagawa Bay, Kaiyo Gekkan, 47: 210- 219 (2015) (not peer-reviewed)

  • Osawa, Y., Aoki, M.N., Bauer, R.T. & Thiel, M. Numbers and sizes of the shrimp Rhynchocinetes uritai Kubo, 1942 (Decapoda: Caridea) caught in bait and refuge traps. J. Crust. Biol., 35: 768 -775 (2015) (Refereed)

  • Tanaka, J., Sakanishi, Y., Aoki, Y., Kurashima, A. 2015. Monitoring seaweed beds: Pacific coast from Tohoku to Kanto. Journal of Academic Trends 20: 48-53 (2015)


Others:

  • Agatsuma, Y., Reseeding of sea urchins in Japan. Echinoderm Aquaculture, Brown, N and Eddy, S (eds.), John  Wiley & Sons, Inc., Hoboken, pp. 93-102. (2015) (Refreed)

  • Yukio Azuma, 2014 23rd National Fisheries and Marine Science High School Student Research Presentation Tohoku District Convention, Journal of the Japanese Society of Suisan Science, Branch Page 81: 315-316 (2015)

  • Yukio Azuma, Ocean University of China (China) Midori no Kakehashi No.15, p.7, International Exchange Committee, Faculty of Agriculture, Tohoku University, (2015) March 2016

  • Yukio Azuma, TEAMS Marine Science Researchers Supporting Tohoku Reconstruction Clarifying the relationship between sea urchins and kelp and working to restore the tsunami-destroyed ``Umi no Mori'' Blue Earth 141: 20-23 (2016)

  • Yukio Azuma, Ocean University of China (China) Green Bridge No. 16, p. 7, Tohoku University Faculty of Agriculture, Graduate School of Agriculture International Exchange Committee

  • Yukio Azuma, Hikaru Endo, Ayaka Horikoshi, Yukazu Aoki, Changes and Recovery Processes in Rocky Reef Ecosystems Effected by the Earthquake Council Symposium Today, the Tohoku Sea: Research Results and Fisheries Recovery in the Four Years After the Earthquake. 82:140 (2016)

  • Yukio Azuma, Growing large numbers of sea urchins to a commercial level: A new technique for utilizing marine resources, Japan Science and Technology Agency Industry-Academia-Government Journal 5 (2016)

  • Yukazu Aoki, Question 9: Was all the seaweed washed away by the Tohoku tsunami? "Seaweed Question 50" Seizando Bookstore Pp. 24-27 (2016)

  • Yukazu Aoki, Question 37: Is seaweed a home for various small animals? "Seaweed Question 50" Seizando Bookstore Pp. 117-119 (2016)

  • Aoki, M.N., Suzuki, Y., Endo, H. & Agatsuma, Y. Are the epiphytic animal communities in the Sargassum forests off the Pacific coast of Miyagi recovering from the alteration caused by the 2011 tsunami? Journal of Integrated Field Science, 13: 42 (2016)


Conference presentation

[Domestic conference]: General lectures


  • Kiyomi Takagi, Yuko Murata, Eri Inomata, Ayaka Horikoshi, Kasumi Narita, Hikaru Endo, Yukazu Aoki, Yukio Azuma Improving the quality of northern sea urchin gonads through short-term cage breeding 2015 Spring Meeting of the Japanese Society of Fisheries Science March 28, 2015 Tokyo Marine University Shinagawa Campus March 27-31, 2015 (oral presentation)

  • Kubo, Y., Aoki, Y., Suzuki, H., Azuma, Y. Age composition, growth, and breeding of Koshidaka Gangara in the subtidal reef area of ​​Oshika Peninsula, Miyagi Prefecture, Japan Society of Fisheries Science, March 28, 2015, Shinagawa, Tokyo University of Marine Science and Technology Campus March 27-31, 2015 (oral presentation)

  • Ayaka Horikoshi, Hikaru Endo, Yukazu Aoki, Yukio Azuma Mass recruitment of Kitamurasaki sea urchin and changes in seaweed community structure at Onagawa Bay Point A Spring Meeting of the Japanese Society of Fisheries Science, March 28, 2015 Tokyo University of Marine Science and Technology, Shinagawa Campus, March 2015 27th - 31st (oral presentation)

  • Hikaru Endo, Yukazu Aoki, Yukio Azuma Influence of inorganic environment on concentration and production rate of antifeedant substance phlorotannin in brown algae Arame The 39th Annual Meeting of the Japanese Society of Microbiology March 22, 2015 Hakozaki Campus, Kyushu University

  • Yukio Azuma, Hikaru Endo, Ayaka Horikoshi, Yukazu Aoki Changes and Recovery Processes of Reef Ecosystems Effected by the Earthquake Special Symposium of the Board of the Japanese Society of Fisheries Science September 21, 2015 Lecture Room 1, Graduate School of Agriculture, Tohoku University

  • Yuwa Aoki, Yukari Suzuki, Ayaka Horikoshi, Hikaru Endo, Yukio Azuma On the recovery status of the foliar animal community in Shizugawa Bay and Onagawa Bay after the Tohoku-Pacific Ocean Earthquake Japan Society of Fisheries Science 2015 Autumn Meeting (Sendai) 2015 September 23, 2019 (oral presentation)

  • Yukazu Aoki, Yukari Suzuki, Hiromori Shimabukuro, Ayaka Horikoshi, Hikaru Endo, Yukio Azuma Simple monitoring of foliar animal communities in Garamo field 2015 Joint Conference of the Japanese Society of Benthology and the Plankton Society of Japan (Sapporo) September 3, 2015- 4th (poster presentation)

  • Yuki Kubo, Yukazu Aoki, Haruka Suzuki, Hiromasa Terachi, Yukio Azuma Elimination experiment of Koshidaka gangara in subtidal reef area 2015 Joint Conference of Japanese Society of Benthology and Plankton Society of Japan (Sapporo) September 3-4, 2015 ( poster presentation)

  • Hiromasa Terachi, Yuki Kubo, Haruka Suzuki, Yukazu Aoki, Yukio Azuma Spatial distribution and shell caliber composition of the giant snake mussel along the coast of the Oshika Peninsula 2015 Joint Conference of the Japanese Society of Benthology and the Plankton Society of Japan (Sapporo) September 3-4, 2015 (Oral presentation)


General Presentations:

  • H Suzuki, T Aoki, Aoki M.N., Endo H, Horikoshi A, Agatsuma Y. Distributional changes of the kelp Eisenia bicyclis and its associated assemblages at a subtidal reef affected by the subsidence caused by the 2011 Pacific coast of Tohoku Earthquake. Biodiversity Symposium 2015, The Society for Coastal Ecosystems Studies – Asia Pacific. Chulalongkorn University, Bangkok, Thailand. 2015年7月5日.

  • Suzuki Y, ○Aoki M.N, Horikoshi A, Endo H, Agatsuma Y. Recovery of the epiphytic animal communities in Sargassum beds in Shizugawa Bay after the tsunami caused by the 2011 off the Pacific coast of Tohoku Earthquake. Biodiversity Symposium 2015, The Society for Coastal Ecosystems Studies – Asia Pacific. Chulalongkorn University, Bangkok, Thailand. 2015年7月6日

  • Pocklington, J., Bellgrove, A. & Aoki, M.N. Can structurally simple algal leaves provide a refuge for phytal animals when complex fronds are lost to disturbance? Australian Marine Science Association annual conference (Geelong, Australia). July 5-9, 2015. (Oral Presentation)

  • Takagi S, Murata Y, Inomata E, Horikoshi A, Endo H, Aoki M.N., Agatsuma Y. Improvement of gonad quality of the sea urchin Mesocentrotus nudus by short-term cage culture. The 16th Japanese-French oceanography symposium. The sea under human and natural impacts: challenge of oceanography to the future earth. 2015 年 11 月 19 日 Shiogama public hall, Shiogama, Japan(Oral Presentation)

  • Suzuki H, Aoki T, Kubo Y., Agatsuma Y, Aoki M.N., Distributional changes in the kelp Eisenia bicyclis resulting from the subsidence and the landfill for breakwater restoration after the 2011 Tohoku Earthquake. The 16th Japanese-French oceanography symposium. The sea under human and natural impacts: challenge of oceanography to the future earth. 2015年11月19日Shiogama public hall, Shiogama, Japan(Poster Presentation)

  • Kubo Y, Suzuki H, Aoki M.N., Agatsuma Y. Seasonal movement of the herbivorous gastropod Omhalius rusticus. The 16th Japanese-French oceanography symposium. The sea under human and natural impacts: challenge of oceanography to the future earth. 2015年11月19日Shiogama public hall, Shiogama, Japan(Poster Presentation)

Presentations outside academic societies

  • Yukio Azuma. Messages from the Sea Sea Urchins and Undersea Forest July 17, 2015 Kesennuma Otani Junior High School Hummingbird Project Lecture and body structure of sea urchins

  • Azuma, Y. Short-term cultivation of sea urchins in cages for preserving reef ecosystems. 2015 Tohoku Marine Science Base Formation Project ``Research on Marine Ecosystems'' Plenary Meeting, Kawauchi Campus, Tohoku University, Miyagi. June 6, 2015.

  • Yukazu Aoki, Ayaka Horikoshi, Hikaru Endo, Yukio Azuma. Post-earthquake changes in foliar animal communities of Sargassum sargassum in Onagawa Bay. Poster presentation, Tohoku University Kawauchi Campus, Miyagi. June 6, 2015.

  • Hikaru Endo, Daisuke Takahashi, Shun Nagata, Yukio Azuma. Estimation of the cause of discoloration of seaweed cultured and the possibility of fertilization as a countermeasure technology. , Tohoku University Kawauchi Campus, Miyagi. June 6, 2015.

  • Ayaka Horikoshi, Hikaru Endo, Yukazu Aoki, Yukio Azuma. Population dynamics of Kitamurasaki sea urchin and changes in seaweed vegetation at Onagawa Bay Point A. Poster presentation at the 2015 Tohoku Marine Science Base Formation Project "Marine Ecosystem Research" , Tohoku University Kawauchi Campus, Miyagi. June 6, 2015.

  • Yukio Azuma, Marine Forest and Wasteland of Sea Urchins: The World of Coastal Reef Ecosystems 2015 Miyagi Prefectural University Open Lecture Lecture Room 1, Graduate School of Agriculture, Tohoku University, Sendai, September 2, 2015

  • Yukio Azuma. Training at Tohoku University based on an educational collaboration agreement between the Organization for Advanced Liberal Arts and Student Services and Aizu High School in Fukushima Prefecture "What is isoyake?" Fukushima Prefectural Aizu High School 1st year student Tohoku University Kawauchi Campus 2016 July 23.


Research external funding

  • Yukio Azuma, Masakazu Aoki, Hikaru Endo, Marine Science Base Project, Ecosystem Conservation Survey in Coastal Areas of Miyagi Prefecture (Investigation)

  • Yukazu Aoki, 2014-2015 Grant-in-Aid for Scientific Research (Grant-in-Aid for Postdoctoral Fellows) Evaluation study of the effects of large brown algae that form marine forests on biological production in coastal ecosystems (representative)

  • Yukazu Aoki, 2012-2016 Strategic Creative Research Promotion Project CREST, Three-dimensional mapping of seaweed beds using hyper-multispectral Kukai remote sensing (co-investigator)


Press Coverage

  • Fertile sea again Marine science aiming to restore fisheries JST Science News

  • http://sciencechannel.jst.go.jp/Q140001/detail/Q140001013.html February 27, 2015

  • Continuing to stare at the Tohoku sea from the perspective of marine benthos Monthly Diver April 2015 issue (published March 10, 2015)

  • Towards the revival of sea urchins, a special product of Minamisanriku March 18, 2015 (Wednesday) NHK General "Information Whole"

  • What's Happening Underwater in Sanriku June 26, 2015 7:30pm-7:55pm NHK General Close-up Tohoku

  • Sweet and full-bodied summer delicacy sea urchin (Hirono Town, Iwate Prefecture) July 5, 2015 Delicious! NHK synthesis from 6:15 a.m. to 6:49 a.m.

  • Revival in science! Sanriku Fishery TOMORROW Wednesday, October 14, 2015 14:00-14:28 NHK BS1

  • Science to the RESCUE OF THE FISHERIES! Sunday, October 12, 2015 10:30-10:58 NHK World

  • NHK Special "Dive in the Sea of ​​Tsunami" - Sanriku: 5 Years of Destruction and Recovery - October 31, 2015 (Sat) 9:00 pm - 9:49 pm 2016

  • 20 animals per 1m2 Ecosystem Claw marks March 8, 2016 Asahi Shimbun Page 1

  • March 12, 2016 ``Disaster'' sea urchin deliciously put in a basket with kelp short-term farming Tohoku University team challenges Mainichi Shimbun evening edition 6 page society

2016

Original Articles:

  • Sato, Y., Agatsuma, Y., Resource accumulation of the kelp Saccharina ochotensis based on photosynthetic rate and specific nutrient uptake kinetics. J Appl Phycol., 28: 499–509 (2016) (査読有り)

  • Inomata E, Murata Y, Matsui T, Agatsuma Y. Gonadal production and quality in the sea urchin Mesocentrotus nudus fed a high-protein concentrated red alga Pyropia yezoensis. Aquaculture, 454:184-191 (2016) (査読有り)

  • Gao X, Endo, H., Nagaki, M., Agatsuma, Y., Growth and survival of juvenile sporophytes of the kelp Ecklonia cava (Laminariales; Phaeophyta) in response to different nitrogen and temperature regimes. Fish Sci., 82: 623-629 (2016) (査読有り )

  • Hiroki Mizokami, Yukio Azuma, Nobuyoshi Shikauchi Class practice using the map approach in high school biology: Thinking about its ecology and the Great East Japan Earthquake from the perspective of sea urchin Fukuoka Jogakuin University Graduate School Bulletin 1: 21 -25 (2016) (Not refereed)


International Conferences:

  • Hiroaki Goda, Hikaru Endo, Yukio Azuma Effect of water temperature on gametogenesis in Ezo-bafun sea urchins on the northern coast of the Sea of ​​Japan, Hokkaido Hokkaido-Tohoku joint meeting of the Japan Society of Fisheries Science, October 22-23, 2016 Graduate School of Fisheries Science, Hokkaido University Research Institute Hakodate

  • Kiyomi Takagi, Yuko Murata, Eri Inomata, Hikaru Endo, Yukazu Aoki, Yukio Azuma Development of gonads of northern sea urchins by feeding Japanese kelp from winter to spring 2016 Hokkaido-Tohoku joint meeting of the Japanese Society of Fisheries Science October 22, 2016 ~ 23rd Hokkaido University Graduate School of Fisheries Science Hakodate (Oral presentation)

  • Eri Inomata, Kiyomi Takagi, Hikaru Endo, Yukazu Aoki, Yukio Azuma Effect of extruder-treated Susabinori as food on the growth of juvenile Kitamurasaki sea urchin 2016 Hokkaido-Tohoku joint meeting of the Japan Society of Fisheries Science, October 22, 2016 - 23rd Hakodate, Graduate School of Fisheries Science, Hokkaido University (Oral presentation)

  • Suzuki, Haruka, Aoki, Tomoya, Kubo, Y., Aoki, Y., Endo, H., Azuma, Y. Impact of land subsidence and seawall construction on arame communities and related biotic communities Hokkaido-Tohoku joint meeting of the Japan Society of Fisheries Science, 2016 10 22nd - 23rd March Hakodate, Graduate School of Fisheries Sciences, Hokkaido University (Oral presentation)

  • Kiyomi Takagi, Yuko Murata, Eri Inomata, Hikaru Endo, Yukazu Aoki Early quality improvement of northern sea urchin gonads by Laminaria japonica The 13th Echinoderm Research Meeting December 3, 2016 Tokyo University of Marine Science and Technology Shinagawa Campus Shiratakakan, Tokyo (oral presentation)

  • Eri Inomata, Kiyomi Takagi, Hikaru Endo, Yukazu Aoki, Yukio Azuma Effect of extruder-treated Susabinori as food on the growth of Kitamurasaki sea urchin juveniles December 3, 2016 Tokyo University of Marine Science and Technology Shinagawa Campus Shiratakakan, Tokyo (poster presentation)

  • Haruka Suzuki, Tomoya Aoki, Hikaru Endo, Yukazu Aoki, Yukio Azuma Land subsidence and subsequent seawall construction accelerated the aging of Arame populations The 40th Annual Meeting of the Japanese Society of Mycology (Tokyo) March 19-20, 2016 day (oral presentation)

  • Yukazu Aoki Biodiversity viewed from coastal seaweed beds and marine forests 2016 1st Workshop of Center for Applied Biodiversity Science (Sendai) August 20, 2016 (Oral presentation)

  • Kokichi Ito, Yukazu Aoki, Hikaru Endo, Yukio Azuma Relationship between the canopy structure of Sakhalin magnolia and the vertical distribution of foliar animal communities -especially on the appearance of juvenile bivalves 2016 Joint Conference of the Japanese Society of Benthology and the Plankton Society of Japan (Kumamoto) September 8-9, 2016 (Oral Presentation)

  • Yukazu Aoki Research on the coast of Kozakihama, Oshika Peninsula 2016 Miyagi Fisheries Reconstruction Cooperation Council Research Exchange Meeting (Ishinomaki City) September 27, 2016 (Oral presentation)

  • Yukazu Aoki, Osamu Hoshino On-site Observation of the Posture of the Crowfish in the Sea The 54th Annual Meeting of the Japanese Crustacean Society (Kagoshima) October 22, 2016 (Oral presentation)


International Conference:

  • Invited Lectures:

    • Agatsuma Y, Endo H, Horikoshi A, Aoki M.N., Abrupt increase in population size of the sea urchin Mesocentrotus nudus and kelp deforestation off the Pacific coast of northern Miyagi after the 2011 Tohoku tsunami disaster, Japan. Aquaculture 2016, 2016 年 2 月 24 日 Convention center, Las Vegas, USA.

    • Agasuma Y. Destruction of kelp beds following a massive recruitment of the sea urchin Mesocentrotus nudus of the Pacific coats of Tohoku, Japan. Protection and sustainable utilization of sea cucumber, Annual conference of Chinese Society for Oceanography and limnology. 6-9 November 2016, Hainan New Yanatai Hotel, Haikou, China.


  • General Lectures:

    • Inomata E, Horikoshi A, Endo H, Aoki M.N., Agatsuma Y. Allocation of digested materials to main body compartments of the sea urchins Mesocentrotus nudus and Hemicentrotus pulcherrimus. Aquaculture 2016, 2016 年 2 月 24, 25 日 Convention center, Las Vegas, USA.(Poster Presentation)

    • Takagi S, Murata Y, Inomata E, Horikoshi A, Endo H. Aoki M.N., Agatsuma Y. Gonad quality of the sea urchin Mesocentrotus nudus fed Saccharina kelp by offshore cage culture. 2016 年 2 月 24, 25 日 Aquaculture 2016, Convention center, Las Vegas, USA. (Poster Presentation)

    • Agatsuma Y. Development of new short-term aquaculture system. Tohoku Ecosystem-Associated Marine Science. International symposium on restoration after great east Japan earthquake Our knowledge on the ecosystem and fisheries; March 3, 2016 Yayoi Auditorium, Faculty of Agriculture, University of Tokyo (Oral Presentation)

    • Aoki, M.N., Suzuki, Y., Endo, H. & Agatsuma, Y. Are the epiphytic animal communities in the Sargassum forests off the Pacific coast of Miyagi recovering from the alteration caused by the 2011 tsunami? The 13th International Symposium on Integrated Field Science ‘Conservation and Utilization of Biodiversity’ 10 March 2016, Graduate School of Agricultural Science, Tohoku University, Sendai. (Oral Presentation)

    • Takagi S, Murata Y, Inomata E, Endo H, Aoki M, Agatsuma Y. Saccharina kelp; improves gonad quality of the sea urchin Mesocentrotus nudus in different seasons? 9th European conference on Echinoderms. 17-19 September 2016, Institute of Oceanology, Polish Academy of Science, Sopot, Poland(Oral Presentation)

    • Agatsuma Y, Takagi S, Inomata E, Endo H, Aoki N.M. Grazing manner of the kelp Eisenia bicyclis by the sea urchin Mesocentrotus nudus. 9th European conference on Echinoderms. 17-19 September 2016, Institute of Oceanology, Polish Academy of Science, Sopot, Poland(Oral Presentation)


Presentations Outside Academic Societies:

  • Yukio Agatsuma Changing Coastal Reef Ecosystem 2015 Hokkaido Liaison Conference on Measures against Sea-Defense Large Conference Room on the 8th Floor of Daini Suisan Building, Sapporo January 15, 2016 (Keynote Speech)

  • Yukio Azuma. Lecture on environmental education Sea urchins and rocky deserts and the dissection of sea urchins July 4, 2016 Kesennuma Municipal Otani Junior High School Multipurpose Hall and Science Room

  • Yukio Azuma: Rebellion of organisms in the fishing grounds Tohoku marine science base formation project public symposium Tomorrow of the Tohoku Sea March 4, 2016 Yayoi Auditorium, Faculty of Agriculture, University of Tokyo

  • Eri Inomata, Yukio Azuma Research on effective utilization of high-density sea urchins 2016 Tohoku Marine Science Base Formation Project “Research on Marine Ecosystems” June 3-4, 2016, TKP Garden City Sendai Koto Tai Hall, Sendai (oral presentation)

  • Yukazu Aoki, Yuki Kubo, Haruka Suzuki, Hikaru Endo, Yukio Azuma Investigation of the effects of herbivorous snail Koshida gangara on seaweed communities through field exclusion experiments 2016 Tohoku Marine Science Base Formation Project, Survey of Marine Ecosystems Research” June 3-4, 2016, TKP Garden City Sendai Kotodai Hall, Sendai (poster presentation)

  • Hikaru Endo, Takashi Suzuki, Yukio Azuma Estimation of Effective Fertilizer Application Amount and Shading Rate as Countermeasures against Discoloration of Cultured Wakame Seaweed 2016 Tohoku Marine Science Base Formation Project "Research on Marine Ecosystems" June 3, 2016-4 Sun, TKP Garden City Sendai Kotodai Hall, Sendai (poster presentation)

  • Yukazu Aoki, Fluffy Oasis Creatures Living in Confined Spaces Tokyo Kasai Sea Life Park Lecture Room & Café for High School and University Students “Umi no Gakusha” August 28, 2016 Kasai Sea Life Park Main Building 2F Lecture Room, Tokyo (lecture and practice)


Others:

  • Yukio Azuma, TEAMS Researchers Supporting Tohoku Reconstruction through Marine Science Revealing the Relationship between Sea Urchins and Kombu, Destroyed by the Tsunami Blue Earth 141: 20-23 (2016)

  • Yukio Azuma, Ocean University of China (China) Green Bridge No. 16, p. 7, Tohoku University, Faculty of Agriculture, Graduate School of Agriculture, International Exchange Committee (2016) Mar.

  • Yukio Azuma, Hikaru Endo, Ayaka Horikoshi, Yukazu Aoki, Changes and Recovery Processes of Reef Ecosystems Effected by Earthquakes Board Symposium

  • Research results and fisheries reconstruction for four years after the Tohoku sea now. Nissui Shi 82 : 140 (2016)

  • Yukio Azuma, Growing large numbers of sea urchins to a commercial level: A new technique for utilizing marine resources, Japan Science and Technology Agency Industry-Academia-Government Collaborative Journal 5 (2016)

  • Yukazu Aoki, Question 9: Was all the seaweed washed away by the Tohoku tsunami? "Question of Seaweed 50" Seizando Bookstore Pp. 24-27 (2016)

  • Yukazu Aoki, Question 37: Is seaweed a home for various small animals? "Question of Seaweed 50" Seizando Bookstore Pp. 117-119 (2016)

  • Aoki, M.N., Suzuki, Y., Endo, H. & Agatsuma, Y. Are the epiphytic animal communities in the Sargassum forests off the Pacific coast of Miyagi recovering from the alteration caused by the 2011 tsunami? Journal of Integrated Field Science, 13 : 42 (2016)

2017

Original Articles:

  • Endo, H., Suehiro, K., Gao, X. and Agatsuma, Y. "Interactive effects of elevated summer temperature, nutrient availability, and irradiance on growth and chemical compositions of juvenile kelp Eisenia bicyclis.Phycological Research", 65(2), 118–126 (2017)(Refereed)

  • Gao, X., Endo, H., Nagaki, M. & Agatsuma, Y. "Interactive effects of nutrient availability and temperature on growth and survival of different size classes of Saccharina japonica(Laminariales, Phaeophyceae)", Phycologia 56 (3) 253-260 (2017) (Refereed)

  • Endo, H., Okumura, Y., Sato, Y. & Agatsuma, Y. "Interactive effects of nutrient availability, temperature, and irradiance on photosynthetic pigments and colorof the brown alga Undaria pinnatifida" J Appl Phycol 29 (3), 1683–1693 (2017)(Refereed)

  • Suzuki H, Aoki T, Kubo Y, Endo H, Agatsuma Y, Aoki M.N. Distributional changes of the kelp community at a subtidal reef after the subsidence caused by the 2011 Tohoku Earthquake. Regional Studies in Marine Sci. 14, 73–83 (2017) (Refereed)

  • Takagi S, Murata Y, Inomata E, Endo H, Aoki M.N., Agatsuma Y*. Improvement of gonad quality of the sea urchin Mesocentrotus nudusfed the kelp Saccharina japonicaduring offshore cage culture. Aquaculture 477, 50–61 (2017) (Refereed)

  • Gouda, H., Endo, H. & Agatsuma, Y. "Effect of seawater temperature on long-term recruitment of Strongylocentrotus intermediusjuveniles in northeastern Sea of Japan" Regional Studies in Marine Sci. 16, 36-41 (2017) (Refereed)

  • Endo, H., Suzuki, A., Sato, Y. & Agatsuma, Y. "Effects of nutrient enrichment, irradiance control, and boiling on the color of the brown alga Undaria pinnatifida" Fish Sci. 83 (5) 811–817(2017) (Refereed)

International Conferences:

  • Ito, K., Aoki, M., Hamaguchi, M., Inomata, E. & Agatsuma, Y. Sargassum canopy as a possible substratum for the settlement of bivalve larvae. International Symposium “Fisheries Science for the Future Generations” 22-24 September 2017, Tokyo Oral Presentation

  • Feng, W., Narita, K., Inomata, E., Aoki, M. & Agatsuma, Y. Population structure and reproductive characteristics of the sea urchin Heliocidaris crassispina at the recently colonized area along Oga Peninsula, northeastern Honshu, Japan. International Symposium “Fisheries Science for the Future Generations” 22-24 September 2017, Tokyo (Oral Presentation).

  • Ito, K., Suzuki, Y., Aoki, M. & Agatsuma, Y. The use of ABC method for epifaunal assemblages in the monitoring of Sargassum beds along the coast of Miyagi, Japan. The 3rd Asian Marine Biology Symposium. Kumamoto, 3-5 November 2017(Oral Presentation).

  • Inomata E., Takagi S., Aoki M.N., Agatsuma Y., “Dietary effects of the extruded feed of Pyropia yezoensis on growth of the sea urchin Mesocentrotus nudus”, LATIN AMERICAN & CARIBBEAN AQUACULTURE 2017, Mazatlan, Mexico, Nov. 2017 (Poster Presentation

  • Takagi S., Murata Y., Inomata E., Suzuki H., Aoki M.N., Agatsuma Y., “Gonad qualities of the sea urchin Mesocetrotus nudus fed on different frond portions of the kelp Saccharina japonica”, LATIN AMERICAN & CARIBBEAN AQUACULTURE 2017,   Mazatlan, Mexico, Nov. 2017(Oral Presentation

  • Takagi S., Murata Y., Inomata E., Suzuki H., Aoki M.N., Agatsuma Y., “Short­term feeding on the kelp Saccharina japonica leads to high gonad quality of the sea urchin Mesocentrotus nudus from a barren”, LATIN AMERICAN & CARIBBEAN AQUACULTURE 2017, Mazatlan, Mexico, Nov. 2017(Poster Presentation)

  • Aoki, M., Kubo, Y., Oda, C., Suzuki, H., Inomata, E. & Agatsuma, Y. Effects of grazing and bulldozing activities of the snail Omphalius rusticus on a subtidal rocky reef community. SCESAP Biodiversity Symposium 2017, Cebu, Phillipines, 4-6 December 2017(Oral Presentation).

  • Ito, K., Aoki, M., Hamaguchi, M., Inomata, E. & Agatsuma, Y. Occurrence of bivalve spats in Sargassum beds: a review and update. SCESAP Biodiversity Symposium 2017, Cebu, Phillipines, 4-6 December 2017(Oral Presentation)

Domestic Conferences:

  • Haruka Suzuki, Yuki Kubo, Yukazu Aoki, Yukio Azuma. Epiphyseal base establishment period and effect of herbivorous snails on seaweed colonization. The 41st Annual Meeting of the Japanese Society of Mycology (Kochi), March 2017 (poster presentation).

  • Kokichi Ito, Yukazu Aoki, Yukio Azuma. The canopy of the red moxa tree may be a seedling collector for natural juvenile clams -Relationship between algal structure and vertical distribution of foliar animals-. Conference (Tokyo University of Marine Science and Technology). March 2017 (oral presentation).

  • Kiyomi Takagi, Yuko Murata, Eri Inomata, Yukazu Aoki, Yukio Azuma. Improving the quality of gonads of northern sea urchins: Short-term cage cultivation from spring to summer. 2015 Spring Meeting of the Japanese Society of Fisheries Science (Tokyo University of Marine Science and Technology). 2017 3 Moon (poster presentation).

  • Yukazu Aoki, Yuki Kubo, Chihaya Oda, Haruka Suzuki, Yukio Azuma. September 3-5, 2017 (oral presentation).

  • Yukazu Aoki, Hanoko Takahashi, Kokichi Ito, Yukio Azuma. Current state of research on mast-forming side shrimp.

  • Kiyomi Takagi, Yuko Murata, Eri Inomata, Haruka Suzuki, Yukazu Aoki, Yukio Azuma "Effects of different Laminaria kelp phyllodes on the quality of gonads of the northern sea urchin", 14th Echinoderm Research Meeting (Yamaguchi), December 2017 (Oral) publication)

  • Eri Inomata, Yukazu Aoki, Yukio Azuma, "Seasonal nutritional requirements of Northern sea urchin and Bafun sea urchin," The 14th Echinoderm Research Meeting (Yamaguchi), December 2017 (poster presentation)

  • Kazuyuki Tanaka, Masato Hirotsune, Eri Inomata, Yukazu Aoki, Yukio Azuma, "Assembly of northern sea urchins to food in rocky denuded areas," 14th Echinoderm Research Meeting (Yamaguchi), December 2017 (poster presentation)

  • Masato Hirotsune, Kazuyuki Tanaka, Eri Inomata, Yukazu Aoki, Yukio Azuma, "Destruction process of brown seaweed Arame sea urchins transplanted to rocky deserted areas by feeding," 14th Echinoderm Research Meeting (Yamaguchi), December 2017 (poster) publication)


Book

  • Yukazu Aoki, 2017. Question 48: What is it that sometimes has tiny inchworm-like things attached to seaweed? "Shrimp and Crab Questions 50" Seizando Bookstore Pp. 156-157.

2018

Original Articles:

  • Gao, X., Endo, H. & Agatsuma, Y. "Seasonal changes in photosynthesis, growth, nitrogen accumulation, and salinity tolerance of Chaetomorpha crassa (Cladophorales, Chlorophyceae)", J Appl Phycol (2018)

  • Takagi, S., Murata, Y., Inomata, E., Endo, H., Aoki, M.N. & Agatsuma, Y. "Dietary effect of kelp (Saccharina japonica) on gonad quantity and quality in sea urchins (Mesocentrotus nudus) collected frion a barren before the fishing season", J. Shellfish Res. 37 (3) 659–669 (2018)

  • Sakanishi, Y., Kurashima, A., Dazai, A., Abe, T., Aoki, M.N. & Tanaka, J. "Long-term changes in a kelp bed of Eisenia bicyclis (Kjellman) Setchell due to subsidence caused by the 2011 Great East Japan Earthquake in Shizugawa Bay, Japan" Phycological Res. 66: 253-261 (2018)

  • Aoki, Yukazu, Suzuki, Haruka, Aoki, Tomoya, Inomata, Eri, Azuma, Yukio (2018) "Effects of ground subsidence caused by the 2018 off the Pacific coast of Tohoku earthquake on the reef subtidal communities in the Oshika Peninsula" Nippon Suisan Gakkaishi 84: 1058- 1061

  • Yukio Azuma, Hikaru Endo, Kiyomi Takagi, Ayaka Horikoshi, Eri Inomata, Yukazu Aoki (2018) "Dynamics of Arame communities after the earthquake in Shizugawa Bay and new conservation techniques" Nippon Suisan Gakkaishi 84: 1074-1077

International Conferences:

  • Feng W.P., Nakabayashi N., Inomata E., Aok i M.N., Agatsuma Y., “Reproduction of the sea urchin Heliocidaris crassispina in a newly extended habitat along the Oga Peninsula, northeastern Japan” 16th International Echinoderm Conference (Nagoya, Japan, May 2018) (Oral Presentation)

  • Takagi S., Murata Y., Inomata E., Aoki M.N., Agatsuma Y., “Gonad Qualities of the sea urchin Mesocentrotus nudus fed on sporophyll and midrib of the kelp Undaria pinnatifida” 16th International Echinoderm Conference (Nagoya, Japan, May 2018) (Oral Presentation)

Domestic Conferences:

  • Takashi Suzuki, Yukazu Aoki, Hikaru Endo, Yukio Azuma. Effect of blue LED light on growth and color of wakame seaweed. The 42nd Annual Meeting of the Japanese Society of Algology (Sendai), March 23-25, 2018 (oral presentation).

  • Haruka Suzuki, Tomoya Aoki, Tomoka Mitsuyuki, Yoshihiro Tsunamoto, Yoshihisa Suyama, Yukio Azuma, Yukazu Aoki. Gene exchange and dispersal distance of zoospores among Arame populations on the coast of Kozakihama, Oshika Peninsula. The 42nd Annual Meeting of the Japanese Society of Algology (Sendai), March 23-25, 2018 (poster presentation).

  • Nurqadri Syaia Bakti・Kokichi Ito・Masakazu Aoki・Eri Inomata・Yukio Agatsuma. Comparative study in the phenological ecology of two perennial Sargassum species on western coast of Oshika Peninsula. 25th (oral presentation).

  • Delta Putra・Kokichi Ito・Haruka Suzuki・Masakazu Aoki・Eri Inomata・Yukio Agatsuma. Transplantation trial of Sargassum confusum using artificial holdfast in ambient habitat. publication).

  • Akira Kurashima, Yoshihiko Sakanishi, Akihiro Tasai, Takuzo Abe, Yukazu Aoki, Jiro Tanaka. Monitoring Site 1000 Seaweed Beds Shizugawa, Shimoda, Izu, The 42nd Annual Meeting of the Japanese Society of Algology (Sendai) Public Symposium "Monitoring Coastal Areas - Past, Present, and Future of Seaweed Beds". March 24, 2018 (oral presentation).

  • Haruka Suzuki, Tomoya Aoki, Eri Inomata, Yukio Azuma, Yukazu Aoki. Effect of ground subsidence and subsequent bank protection work on arame populations along the coast of Kozakihama, Oshika Peninsula, Miyagi Prefecture. Public symposium at the 42nd Annual Meeting of the Japanese Society of Algology (Sendai) "Coastal Monitoring - Past, Present and Future of Seaweed Beds". March 24, 2018 (oral presentation).

  • Hikaru Endo, Yukazu Aoki, Ayaka Horikoshi, and Yukio Azuma. Tsunami impact on brown algae arame communities in Shizugawa Bay, Miyagi Prefecture and subsequent recovery process. Public symposium at the 42nd Annual Meeting of the Japanese Society of Algology (Sendai) "Coastal Monitoring - Past, Present and Future of Seaweed Beds". March 24, 2018 (oral presentation).

  • Yukio Azuma, Takuzo Abe, Masato Hirotsune, Kazuyuki Tanaka, Eri Inomata, Kiyomi Takagi, Yukazu Aoki. Collapse of Arame brown algae colonies in Shizugawa Bay, Miyagi Prefecture by mass recruitment of Kitamurasaki sea urchins and regeneration by removal of sea urchins. Public symposium at the 42nd Annual Meeting of the Japanese Society of Algology (Sendai) "Coastal Monitoring - Past, Present and Future of Seaweed Beds". March 24, 2018 (oral presentation).

  • Kokichi Ito, "The Borrower's Epifauna: Community Formation of Sargassum Phyllanthus" Oral presentation at the 42nd Annual Meeting of the Japanese Society of Algology (Sendai, March 2018)

  • Haruka Suzuki "Climbing Arame is useful? - Exploring the relationship between herbivorous snail Koshida Gangara and brown algae Arame through field experiments" Oral presentation at the 42nd Annual Meeting of the Japanese Society of Algology (Sendai, March 2018)

  • Kiyomi Takagi, "Urchin in the deserted area as a high-class ingredient -High quality using seaweed-" Oral presentation at the 42nd Annual Meeting of the Japanese Society of Algology (Sendai, March 2018)

  • Kiyomi Takagi, Yuko Murata, Akira Higashihata, Noriko Ishida, Eri Inomata, Yukazu Aoki, Yukio Azuma "Quality of gonads of Kitamurasaki sea urchin given wakame spores and midribs" 2018 Spring Meeting of the Japanese Society of Fisheries Science (Shinagawa, 2018) March 2013) Poster presentation

  • Masato Hirotsune, Kazuyuki Tanaka, Eri Inomata, Seimi Takagi, Yukazu Aoki, and Yukio Azuma, "Depletion process of brown seaweed arame sea urchin by feeding" Oral presentation at the Spring Meeting of the Japanese Society of Fisheries Science (Shinagawa, March 2018)

  • Aoki, Y., Takahashi, H., Ito, H., Azuma, Y. Ecological study on the mast-forming side shrimp Dulichia biarticulata. September 11, 2018 (oral presentation)

  • Kokichi Ito, Yukazu Aoki, Yukio Azuma. Use of scuba diving technology for research on shallow sea ecosystems -the challenges and prospects-.2018 Joint Meeting of the Plankton Society of Japan and the Society of Benthology of Japan (Soka University). September 11, 2018 (oral presentation).

  • Yukazu Aoki. Current research on mast-forming amphipods. The 56th Annual Meeting of the Crustacean Society (Tokai University, Faculty of Oceanography), October 7-8, 2017 (oral presentation).

  • Yukazu Aoki. Effect of blue LED light on wakame seaweed farming - light development, field test, reaction of moth colonies -.

  • Mai Kuroda, Eri Inomata, Yukazu Aoki, Yukio Azuma "Effects of several small seaweeds as food on the growth of young sea urchins" Poster presentation at the 15th Echinoderm Research Meeting (December 2018)

  • Kiyomi Takagi, Yuko Murata, Eri Inomata, Yukazu Aoki, Yukio Azuma "The process of improving the quality of the gonads of the sea urchin fed with kelp leaf base and wakame spore leaf" 15th Echinoderm Research Meeting (December 2018) oral presentation

  • Kazuyuki Tanaka, Masato Hirotsune, Eri Inomata, Yukazu Aoki, Yukio Azuma "Aggregation of northern sea urchins on the upper part of wakame stalks in the deserted area" Oral presentation at the 15th Echinoderm Research Meeting (December 2018)

  • Masato Hirotsune, Kazuyuki Tanaka, Eri Inomata, Yukazu Aoki, Yukio Azuma, "The disappearance process of the brown seaweed Arame spp.

  • Shunsuke Hosoda, Kiyoshi Ito, Eri Inomata, Yukazu Aoki, Yukio Azuma "Food habits, gonad color and carotenoid pigments of sea urchin Glyptocidaris crenularis" 15th Echinoderm Research Meeting (December 2018) poster presentation

Others:

  • Aoki, Y., 2018. Report on the 42nd Annual Meeting of the Japanese Society of Algology (Sendai). Algae, 66: 138-139.

  • Aoki, Y., 2018. From me, "Enjoy Kojien three times more: Part 2" Iwanami Shoten Pp. 108-109

2019

Original Articles:

  • Takagi S, Murata Y, Inomata E, Aoki MN, Agatsuma Y (2019) Production of high quality gonads in the sea urchin Mesocentrotus nudus (A. Agassiz, 1864) from a barren by feeding on the kelp Saccharina japonica at the late sporophyte stage. Journal of Applied Phycology : https://doi.org/10.1007/s10811-019-01895-6

  • Agatsuma Y, Takagi S, Inomata E, Aoki MN (2019) Process of deterioration of a kelp (Ecklonia bicyclisKjellman) bed as a result of grazing by the sea urchin Mesocentrotus nudus(Agassiz) in Shizugawa Bay in northeastern Honshu, Japan. J Appl Phycol 31: 599-605

  • Feng W, Nakabashi N, Narita K, Inomata E, Aoki MN, Agatsuma Y (2019) Reproduction and population structure of the sea urchin Heliocidaris crassispina in its newly extended range: The Oga Peninsula in the Sea of Japan, northeastern Japan. PLOS ONE 14: e0209858

  • Ito K, Hamaguchi M, Inomata E, Agatsuma Y, Aoki MN (2019) Vertical distribution of epifauna on Sargassum horneri, with special reference to the occurrence of bivalve spat. Plankton & Benthos Reserch 14 : 114-123

  • Sato Y, Takagi S, Inomata E, Agatsuma Y (2019) Odor - Active Volatile Compounds from the Gonads of the Sea Urchin Mesocentrotus nudus in the Wild in Miyagi Pewfecture, Tohoku, Japan. Food and Nutrition Sciences 10 : 860-875

  • Suzuki, A., Endo, H., Inomata, E., Agatsuma, Y. and Aoki, M. 2019. Possible use of blue light in Undaria pinnatifida aquaculture. J. Integrated Field Sci. 16: 12.

International Conferences:

  • Takagi S, Murata Y, Inomata E, Aoki MN, Agatsuma Y. Temporal changes in gonad quality of the sea urchin Mesocentrotus nudus fed on sporophyll of Undaria pinnatifida and basal frond portion of Saccharina japonica. Aquaculture Europe 19 (Berlin, Germany, Oct 2019) (Poster Presentation)

  • Purta D, Ito K, Inomata E, Agatsuma Y, Aoki MN. Effects of nocturnal blue-light emission on the growth of the brown kelp, Eisenia bicyclis (kjellman) Setchell, 1905 transplanted in the field. SCESAP International Symposium "Coastal Ecosystem and Biodiversity of Asia-Pacific: Achieving SDG-14" (IPB University, Indonesia, Aug 2019) (Oral Presentation)

  • Ito K, Inomata E, Agatsuma Y, Aoki MN. The micro-distribution and the seasonal variability of phytal harpacticoid copepod communities on Sargassum siliquastrum. SCESAP International Symposium

  • "Coastal Ecosystem and Biodiversity of Asia-Pacific: Achieving SDG-14" (IPB University, Indonesia, Aug 2019) (Oral Presentation)

  • Aoki MN, Takahashi K, ito K, Inomata E, Agatsuma Y. Ecological characteristics of the mast-building amphipod Dulichia biarticulata. SCESAP International Symposium "Coastal Ecosystem and Biodiversity of Asia-Pacific: Achieving SDG-14" (IPB University, Indonesia, Aug 2019) (Oral Presentation)

  • Aoki MN, Kubo Y, Oda C, Suzuki H, Inomata E, Agatsuma Y. Exclusion experiments to show the impact of grazing by the snail Omphalius rusticus on a subtidal rocky reef community, 12th International Temperate Reefs Symposium (University of Hong Kong, China, Jan 2019) (Oral Presentation)

  • Ito K, Suzuki Y, inomata E, Agatsuma Y & Aoki MN. Post-tsunami recovery process of epifaunal assemblages on Sargassum seaweeds along the coast of Miyagi, Japan, 12th International Temperate Reefs Symposium (University of Hong Kong, China, Jan 2019) (Oral Presentation)

Domestic Conferences:

  • Hosoda, S., Maeda, K., Inomata, E., Aoki, Y., Azuma, Y. Development and coloration of gonads of northern sea urchins: changes caused by switching from seaweed feed to fresh kelp.

  • The 16th Echinoderm Research Meeting (Toba Aquarium, December 2019) (poster presentation)

  • Maeda, Kohei, Hosoda, Shunsuke, Inomata, Eri, Aoki, Y., Azuma, Y. Vertical distribution of sea urchins in a coralline coralline community: A case study of Shizugawa, Miyagi Prefecture.

  • The 16th Echinoderm Research Meeting (Toba Aquarium, December 2019) (poster presentation)

  • Aisa Hiraiwa, Shu Sekiguchi, Kokichi Ito, Eri Inomata, Yukio Azuma, Yukazu Aoki. A field observation of a mast-forming Rhododendronomycete using a fiberscope.

  • The 57th Annual Meeting of the Crustacean Society of Japan. (Tokyo University of Marine Science and Technology, October 2019) (Oral presentation)

  • Takagi, M., Murata, Y., Koshiishi, T., Inomata, E., Aoki, Y., Azuma, Y. Identification of substances that improve the taste of the reproductive layer of northern sea urchin.

  • 2019 Annual Meeting of the Tohoku Branch of the Japanese Society of Fisheries Science (Sendai, October 2019) (Oral presentation)

  • Kokichi Ito, Eri Inomata, Yukio Azuma, Yukazu Aoki. Microdistribution of foliar-dwelling Daphnia magna in a yoremok colony on the western coast of the Oshika Peninsula.

  • 2019 Joint Meeting of the Japan Society of Benthology and the Plankton Society of Japan. (Shizuoka City Industry-Academia Exchange Center, September 2019) (Poster presentation)

  • Eri Inomata, Mai Kuroda, Yukazu Aoki, and Yukio Azuma. Effects of three species of small algae on the growth of juvenile sea urchins of Kitamurasaki sea urchin.

  • 2019 Fall Meeting of the Japanese Society of Fisheries Science. (Fukui Prefectural University, September 2019) (Oral presentation)

  • Yu Nakama, Haruka Suzuki, Yukio Azuma, Eri Inomata, Yukazu Aoki. Structure of Arame communities in artificial revetments and natural rocky reefs on the coast of Kozakihama, Oshika Peninsula.

  • 2019 Fall Meeting of the Japanese Society of Fisheries Science. (Fukui Prefectural University, September 2019) (Oral presentation)

  • Seimi Takagi, Yuko Murata, Eri Inomata, Yukazu Aoki, and Yukio Azuma. Effect of brown algae Arame on gonad quality of Kitamurasaki sea urchin.

  • 2019 Fall Meeting of the Japanese Society of Fisheries Science. (Fukui Prefectural University, September 2019) (poster presentation)

  • Kohei Maeda, Shunsuke Hosoda, Eri Inomata, Yukazu Aoki, Yukio Azuma. Vertical distribution of sea urchins in a non-knotted coralline coralline community in Shizugawa Bay, Miyagi Prefecture.

  • 2019 Fall Meeting of the Japanese Society of Fisheries Science. (Fukui Prefectural University, September 2019) (poster presentation)

  • Feng W, Nakano D, Nakabayashi N, Inomata E, Aoki MN, Agatsuma Y. Reproduction and population structure of the sea urchin Heliocidaris crassicpina in its northern extended and central ranges.

  • 2019 Fall Meeting of the Japanese Society of Fisheries Science. (Fukui Prefectural University, September 2019) (poster presentation)

  • Yukio Azuma, Shunsuke Hosoda, Kohei Maeda, Takuma Hori, Eri Inomata, Keisuke Matsuzaki, Ayumi Ueno, Yoshimitsuro Shibaku, Hiroshi Nagashima, Tetsuro Ishikawa, Hiroyuki Matsuura, Hiroki Tarumi, Mitsuru Izumi. Toward the rearing of Kitamurasaki sea urchin in the deserted area using seaweed residue feed.

  • 2019 Fall Meeting of the Japanese Society of Fisheries Science. (Fukui Prefectural University, September 2019) (poster presentation)

  • Seimi Takagi, Yoichi Sato, Eri Inomata, Atsuko Kokubun, Yukazu Aoki, Yukio Azuma. Fragrance components of the gonads of Kitamurasaki sea urchin reared in short-term cages.

  • 2019 Spring Meeting of the Japanese Society of Fisheries Science. (Tokyo University of Marine Science and Technology, March 2019) (poster presentation)

  • Rina Suzuki, Kokichi Ito, Eri Inomata, Yukio Azuma, Yukazu Aoki. Spatio-temporal changes in seaweed communities at Kozakihama, Ishinomaki City, Miyagi Prefecture.

  • The 43rd Annual Meeting of the Japanese Society of Algology. (Kyoto University, March 2019) (Oral presentation)

  • Eri Inomata, Hikari Nagoshi, Yuichiro Numata, Atsuko Tanaka, Yoichi Sato. Effects of light intensity and light color on germination of Okinawa mozuku.

  • The 43rd Annual Meeting of the Japanese Society of Algology. (Kyoto University, March 2019) (Oral presentation)

  • Takashi Suzuki, Hikaru Endo, Eri Inomata, Yukio Azuma, Yukazu Aoki. Investigation of quality improvement of cultured wakame seaweed by blue light irradiation and elimination of predatory organisms.

  • The 43rd Annual Meeting of the Japanese Society of Algology. (Kyoto University, March 2019) (poster presentation)

2020

Original Article:

  • Bellgrove, A. and Aoki, M.N. 2020. Attachment strength differs amongst life-history stages of an intertidal, isomorphic red alga. Phycol. Res. 68: 144-151. (Refereed)

  • Bellgrove, A., Nakaya, F., Serisawa, Y., Matsuyama-Serisawa, K., Kagami, Y., Jones, P.M., Suzuki, H., Kawqno, S. and Aoki, M.N. 2020. Maintenance of complex life cycles via cryptic differences in the ecophysiology of haploid and diploid spores of an isomorphic red alga. J. Phycol. 56: 159-169. (Refereed)

  • Feng, W., Nakabayashi, N., Inomata, E., Aoki, M.N., Agatsuma, Y. 2020. Impacts of water temperature on the physiology and behaviors of the sea urchins Heliocidaris crassispina and Mesocentrotus nudus that reflect their range extension and disappearance in the Oga Peninsula, northern Honshu, Japan. Can. J. Fish. Aquat. Sci. 78: 580-588. (Refereed)

  • Suzuki, H., Kubo, Y., Inomata, E., Agatsuma, Y., Aoki, M.N. 2020. Effects of herbivorous gastropod grazing on the sedimentation and succession of subtidal macroalgal assemblages. Mar. Ecol. Prog. Ser. 656: 123-138. (Refereed)

  • Takagi S, Murata Y, Inomata E, Aoki MN, Agatsuma Y. 2020a. Pronounced effects of the basal frond portion of the kelp Saccharina japonica on gonad qualities of the sea urchin Mesocentrotus nudus from a barren. Aquaculture 516: 734623 (Refereed)

  • Takagi S, Murata Y, Inomata E, Agatsuma Y. 2020b. Sporophyll of Undaria pinnatifida: a potential feed for the production of high-quality gonads in the sea urchin Mesocentrotus nudus (A. Agassiz, 1864). J Appl Phycol 32: 1467-1475. (Refereed)

  • Takagi S, Murata, Y., Agatsuma, Y. 2020c. Feeding the sporophyll of Undaria pinnatifida kelp shortens the culture duration for the production of high-quality gonads of Mesocentrotus nudus sea urchins from a barren. Aquaculture 528: 735503. (Refereed)

  • Takagi S, Sato, Y., Murata, Y., Kokubun, A., Touhata, K., Ishida, N., Agatsuma, Y. 2020d. Quantification of the Flavor and Taste of Gonads from the Sea Urchin Mesocentrotus nudus Using GC–MS and a Taste-Sensing System. Sensors 20: 7008. (Refereed)

  • Takagi S, Sato, Y., Kokubun A., Inomata, E., Agatsuma, Y. 2020e. Odor-active compounds from the gonads of Mesocentrotus nudus sea urchins fed Saccharina japonica kelp. PLos ONE 15: e0231673. (Refereed)

  • Takagi S, Murata, Y., Koshiishi, T., Agatsuma, Y. 2020f. The amino acids glutamic acid and alanine in feed increase the alanine content in gonads of the sea urchin Mesocentrotus nudus. Front. Mar. Sci., 7: 593. (Refereed)


Domestic Conference:

  • Masakazu Aoki. Development of new technology for wakame seaweed farming in Shizugawa Bay. Tohoku marine science base formation project (survey and research on marine ecosystems) result presentation -Thinking about the future of fisheries- (November 2020)

  • Hori, Takuma, Maeda, Kohei, Inomata, Eri, Azuma, Yukio. Effect of feed size on the growth of small sea urchins. Japanese Society of Fisheries Science Tohoku Branch Conference 2020. (online, October 2020) (oral presentation)

2021

Original Article:

  • Azuma Y, Aoki Y. 2021. New developments in seaweed and sea urchin production. Nippon Suisan Gakkaishi 87: 685.

  • Agatsuma, Y., Inomata, E., Hosoda, S., Maeda, K., Hori, T., Tarumi, Y., Konno, T. 2021. Effectiveness of high-protein feed for short-term sea urchin farming. Nippon Suisan Gakkaishi 87: 694.

  • Aoki, Y., Nakama, Y., Suzuki, H. 2021. Dispersal process by zoospores of Arame and Ecklonia. NipponSuisanGakkaishi 87:689.

  • Inomata E, Sato Y, Nagoshi H. 2021. Nutrient absorption characteristics of Okinawa mozuku. Nippon Suisan Gakkaishi 87: 686.

  • Feng, W., Nakabayashi, N., Inomata, E., Aoki, M.N., Agatsuma, Y. 2021. Sexually unbalanced gonad development and nutrition of the newly range-extended sea urchin Heliocidaris crassispina in the northeastern Honshu, Japan. Estuar. Coast. Shelf. Sci. 249: 107120. (Refereed)

  • Suzuki, H., Aoki, T., Inomata, E., Agatsuma, Y., Aoki, M.N. (2021) Effect of breakwater restoration work following the subsidence caused by the 2011 Tohoku Earthquake on the subtidal kelp population. Phycol. Res. 69: 3-11.

  • Takagi, M., Murata, Y., Azuma, Y. 2021. Why does sea urchin eat kelp taste better? NipponSuisanGakkaishi 87: 693.

  • Terada R, Abe M, Abe T, Aoki MN, Dazai A, Endo H, Kamiya M, Kawai H, Kurashima A, Motomura T, Murase N, Sakanishi Y, Shimabukuro H, Tanaka J, Yoshida G, Aoki M (2021) Japan's nationwide long-term monitoring survey of seaweed communities known as the “Monitoring Sites 1000”: Ten-year overview and future perspectives. Phycol. Res. Phycol. Res. 69: 12-30.


Domestic Conference:

  • Yukio Azuma. Effectiveness of high-protein feed in short-term sea urchin farming. Symposium of the 2021 Spring Conference: New research developments for the production of seaweed and sea urchins (March 2021, online oral presentation)

  • Aoki, Yukazu. Dispersal process by zoospores of arame and Ecklonia japonicum. Symposium of 2021 Spring Meeting: New research developments for seaweed and sea urchin production (March 2021, online oral presentation)

  • Inomata, Eri. Nutrient absorption characteristics of Okinawan mozuku seaweed. Symposium of the 2021 Spring Conference: New research developments for seaweed and sea urchin production (March 2021, online oral presentation)

  • Kiyomi Takagi: Why does sea urchin taste better after eating fresh kelp? 2021 Spring Conference Symposium: New research developments for seaweed and sea urchin production (March 2021, online oral presentation)

  • Adriansyah, A.S., Astri, A.P., Collins, A., Hirano, Y., Putra, D., Sekiguchi, S., Aoki, M. and Ames, C. L. Clarifying the identity of two stalked jellyfish (Staurozoa) in Kitsunezaki, Tohoku Region, Japan. Joint Conference of the Japanese Society of Benthology and the Plankton Society of Japan (September 2021, online oral presentation)

  • Maya Sugawara, Kokichi Ito, Eri Inomata, Yukazu Aoki. Factors related to the vertical distribution of herbivorous snails in the subtidal zone of rocky reefs. Joint Conference of the Japanese Society of Benthology and the Plankton Society of Japan (September 2021, online oral presentation)

  • Kota Fukasawa, Hidekazu Suzuki, Yukazu Aoki. Characterization of diatoms buried in mast-like structures formed by Rhodophyllidronomia. The 59th Annual Meeting of the Crustacean Society of Japan (October 2021, online oral presentation)

  • Sekiguchi, A., Ito, K., Aoki, Y. On the reproductive characteristics of two sympatric predominance worms. Aoki, Y. Aiming to create a database of seaweed fauna in the Tohoku region. 2021 Annual Meeting of the Tohoku Branch of the Japanese Society of Fisheries Science (October 2021, online oral presentation) Mitsuhiro Tsunoda, Takashi Suzuki, Mizuki Hayashi, Eri Inomata, Yu Aoki W. Growth promotion of cultivated seaweed by nighttime blue light irradiation. 2021 Annual Meeting of the Tohoku Branch of the Japanese Society of Fisheries Science (October 2021, online oral presentation) Takuma Hori, Kohei Maeda, Eri Inomata, Yukio Azuma. The 17th Echinoderm Research Meeting (December 2021, online oral presentation) Toshiki Matsuda, Kohei Maeda, Yukazu Aoki. 17th Echinoderm Research Meeting (December 2021, online oral presentation)

2022

Original Articles:


Domestic Conference: (*Presenter)

  • Rina Horie*, Harshna Charan, Haruka Suzuki, Yukazu Aoki. Effects of different light quality and nutrient conditions on the growth of Arame sporophyte.

  • Natsumi Sonaka, Ayumu Matsuo, Yoshihisa Suyama, Yukazu Aoki*. Verification of the hypothesis of interspecies migration of the kelp beetle. 2022 Joint Meeting of the Plankton Society of Japan and the Society of Benthos Society of Japan (September 2022, Online Oral Presentation)

  • Natsumi Sonaka, Ayumi Matsuo, Yoshihisa Suyama, Yukazu Aoki*. Use of substrate seaweed for two species of the Amphipod family Ceinina genus. Annual meeting of the Japanese Crustacean Society (October 2022, Oral presentation)

  • Haruka Suzuki*, Hiroya Abe, Natsuko Imafuji, Hiroshi Ito, Naoki Kumagai, Nobumi Nakajima, Hiroya Yamano.