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●Guest lector
●Center for Advanced Marine Core Research
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Specialization |
Coccolithophores, biostratigraphy
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Research Interests |
Evolution and diversification of coccolithophores
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Education |
●B.Sc.: Geology, Kochi University, 1994.
●M.Sc.: Geology, Kochi University, 1996.
●D.Sc.: Earth and Planetary Sciences, Hokkaido University, 1999. |
Memberships |
●International Nannoplankton Association
●Japanese Society of Phycology
●Paleosciences Society (Japan)
●Japan Geoscience Union
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Publications |
● Bendif, E.M., Nevado, B., Wong, E.L.Y. Hagino, K., Probert, I., Young, J.R., Rickaby R.E.M., & Filatov D.A. 2019. Repeated species radiations in the recent evolution
of the key marine phytoplankton lineage Gephyrocapsa, nature communications. doi: https://doi.org/10.1038/s41467-019-12169-7
● Hagino-Tomioka, K.,Tomioka,N.,Tomioka,N. 2019. Seasonal succession of living coccolithophores in coastal waters in the TomariPort, Totori, Japan. 2019, J. Nannoplankton Res. Special Issue 4, 1-15.
● Young J.R., Bown, P.R., Cros, L., K Hagino & R W Jordan. 2018. Syracosphaera azureaplaneta sp. nov. and revision of Syracosphaera corolla Lecal, 1966. 6pp J. Nannoplankton Res.
● Hagino, K. and the Expedition 370 Scientists, 2018. Data report: calcareous nannofossils from the middle Miocene to Pleistocene, IODP Expedition 370 Site C0023, Proceedings of the Integrated Ocean Drilling Program. http://publications.iodp.org/proceedings/370/201/370_201.html
● Hagino, K., Onuma, R., Takano, Y., Tomioka, N., Horiguchi, T., 2017, Progress of studies of cocolithophore taxon
Braarudosphaera bigelowi. Kaiyo Monthly Special, No. 60. 115-124. (in Japanese)
● Hagino, K., Utsunomiya, M., Tanaka, Y., Iwai, M. 2016. Reference samples to learn calcareous nannofossil biostratigraphy from Miocene to Pleistocene. Bull. Natl. Mus. Nat. Sci., Ser. C, 42, 5-17.
● Hagino, K., Tomioka, N., Young, J.R., Takano, Y., Onuma, R., Horiguchi, T., 2016. Extracellular calcification of Braarudosphaera bigelowii deduced from electron microscopic observations of cell surface structure and elemental composition of pentaliths. Mar. Micropaleontol. 125, 85-94.
● Hagino, K., Young, J.R., Bown, P.R., Godrijan, J., Kulhanek, D.K., Kogame, K., Horiguchi, T., 2015. Re-discovery of a "living fossil" coccolithophore from the coastal waters of Japan and Croatia. Mar. Micropaleontol. 116, 28-37.
● Hagino, K., Young, J.R., 2015. Biology and paleontology of coccolithophores (Haptophytes), in: Ohtsuka, S., Suzaki, T., Horiguchi, T., Suzuki, N., Not, F. (Eds.), Marine Protists: Diversity and Dynamics. Springer Japan KK, pp. 311-330.
● Bendif, E., Probert, I., Romac, S., Hagino, K., de Vargas, C., 2014. Genetic delineation between and within the widespread coccolithophore morpho-species Emiliania huxleyi and Gephyrocapsa oceanica (Haptophyta). J. Phycol. 50, 140-148.
● Hagino, K., Onuma, R., Kawachi, M., Horiguchi, T., 2013. Discovery of an endosymbiotic nitrogen-fixing cyanobacterium UCYN-A in Braarudosphaera bigelowii (Prymnesiophyceae). PLoS One 8, e81749.
● Matsumoto, T., Maruoka, T., Shimoda, G., Obata, H., Kagi, H., Suzuki, K., Yamamoto, K., Mitsuguchi, T., Hagino, K., Tomioka, N., Sambandam, C., Brummer, D., MartinKlaus, P., Aggarwal, P., 2013. Tritiumin Japanese precipitation followingthe March2011 Fukushima Daiichi Nuclear Plant accident. Science of the Total Environment, 365-370.
● Harada, N., Sato, M., Oguri, K., Hagino, K., Okazaki, Y., Katsuki, K., Tsuji, Y., Shin, K.-H., Tadai, O., Saitoh, S.-I., Narita, H., Konno, S., Jordan, R.W., Shiraiwa, Y., Grebmeier, J., 2012. Enhancement of coccolithophorid blooms in the Bering Sea by recent environmental changes. GLOBAL BIOGEOCHEMICAL CYCLES 26.
● 萩野 恭子, Young, J.R., 2012. 円石藻：谷村 好洋、辻 彰洋 (Eds.), 微化石ー顕微鏡で見るプランクトン化石の世界（国立科学博物館叢書）. 東海大学出版会, pp. 100-105.
● 萩野 恭子, 堀口健雄, 高野義人, 松岡裕美, 2011. サイズ変化をともなった円石藻の種分化の検証 ー古生物学的・生物学的手法に基づいた検証ー. 日本プランクトン学会報 58, 73-80.
● 間嶋隆一, 加瀬友喜, 河潟俊吾, Aguilar, Y.M., 萩野 恭子, 前田正雄, 2007. フィリピンレイテ島の冷湧水性化石群集. 地学雑誌 116, 643-652.
● Hagino, K., Bendif, E.M., Young, J.R., Kogame, K., Probert, I., Takano, Y., Horiguchi, T., Vargas, C.d., Okada, H., 2011. New evidence for morphological and genetic variation in the cosmopolitan coccolithophore Emiliania huxleyi (Prymnesiophyceae) from the Cox1b-ATP4 genes J. Phycol. 47, 1164-1176.
● Hagino, K., Takano, Y., Horiguchi, T., 2009. Pseudo-cryptic speciation in Braarudosphaera bigelowii (Gran and Braarud) Deflandre. Mar Micropaleontol 72, 210-221.
● Hagino, K., Kulhanek, D.K., 2009. Data report: calcareous nannofossils from upper Pliocene and Pleistocene, Expedition 306 Sites U1313 and U1314, Proceedings of the Integrated Ocean Drilling Program.
● Wani, R., Ocampo, R.S.P.d., Aguilar, Y.M., Zepeda, M.A., Kurihara, Y., Hagino, K., Hayashi, H., Kase, T., 2008. First discovery of fossil Nautilus pompilius Linnaeus, 1758 (Nautilidae, Cephalopoda) from Pangasinan, Northwestern Philippines. Paleontological Research 12, 89-95.
● Majima, R., Kase, T., Kawagata, S., Aguilar, Y.M., Hagino, K., Maeda, M., 2007. Fossil Cold-seep Assemblages from Leyte Island, Philippines. Journal of Geography 116, 643-652.
● Takano, Y., Hagino, K., Tanaka, Y., Horiguchi, T., Okada, H., 2006. Phylogenetic affinities of an enigmatic nannoplankton, Braarudosphaera bigelowii based on the SSU rDNA sequences. Mar Micropaleontol 60, 145-156.
● Hagino, K., Okada, H., 2006. Intra- and infra-specific morphological variation in selected coccolithophore species in the equatorial and subequatorial Pacific Ocean. Mar. Micropaleontol. 58, 184-206.
● Stein, R., Kanamatsu, T., Alvarez-Zarikian, C., Higgins, S.M., Channell, J.E.T., Aboud, E., Ohno, M., Acton, G.D., Akimoto, K., Bailey, I., Bjorklund, K.R., Evans, H., Nielsen, S.H.H., Fang, N., Ferretti, P., G., J., Guyodo, Y.J.B., Hagino, K., Harris, R., Hatakeda, K., Hefter, J., Judge, S.A., Kulhanek, D.K., Nanayama, F., Rashid, H., Sierro Sanchez, F.J., Voelker, A., Zhai, Q., 2006. North Atlantic paleoceanography: the last 5 million years. Eos, Trans. Am. Geophys. Union 87, 129-133.
● Hagino, K., Okada, H., Matsuoka, H., 2005. Coccolithophore assemblages and morphotypes of Emiliania huxleyi in the boundary zone between the cold Oyashio and warm Kuroshio currents off the coast of Japan. Mar Micropaleontol 55, 19-47.
● Motoyama, I., Niitsuma, N., Maruyama, T., Hayashi, H., Kamikuri, S.-i., Shiono, M., Kanamatsu, T., Aoki, K., Morishita, C., Hagino, K., Nishi, H., Oda, M., 2004. Middle Miocene to Pleistocene magneto-biostratigraphy of ODP Sites 1150 and 1151, northwest Pacific: Sedimentation rate and updated regional geological timescale. The Island Arc 13, 289-305.
● Hagino, K., Okada, H., 2004. Floral response of coccolithophores to progressive oligotrophication in the south equatorial current, Pacific Ocean, in: Shiyomi, M., Kawahata, H., Koizumi, H., Tsuda, A., Awaya, Y. (Eds.), Global Environmental Change in the Ocean and on Land. Terra-Pub, Tokyo, pp. 121-132.
● Hagino, K., Okada, H., 2003. Data report: Late Quaternary Calcareous Nannofossils from the northwestern Pacific Ocean, Holes 1150A and 1151C, Leg 186, in: Suyehiro, K., S., I.S., A., G.D, Oda, M. (Eds.), Proceedings of the Ocean Drilling Program.
● Hagino, K., Okada, H., Matsuoka, H., 2001. Erratum to "Spatial dynamics of coccolithophore assemblages in the Equatorial Western-Central Pacifc Oceano" [Marine Micropaleontology 39 (2000) 53-72]. Mar. Micropaleontol. 42, 99.
● Hagino, K., Okada, H., 2001. Morphological observations of living Gephyrocapsa crassipons. J. nannoplankton Res. 23, 3-7.
● Jordan, R.W., Broerse, A.T.C., Hagino, K., Kinkel, H., Sprengel, S., Takahashi, K., Young, J.R., 2000. Taxon lists for studies of modern nannoplankton. Mar. Micropaleontol. 39, 309-314.
● Hagino, K., Okada, H., Matsuoka, H., 2000. Spatial dynamics of coccolithophore assemblages in the Equatorial Western-Central Pacific Ocean. Mar. Micropaleontol. 39, 53-72.
● Hagino, K., Okada, H., 1998. Gladiolithus striatus sp. nov. (Prymnesiophyceae), a living coccolithophore from the lower photic zone of the Pacific Ocean. Phycologia 37, 246-250.
● 萩野 恭子, 1997. 東北日本太平洋沿海域における現生石灰質ナノプランクトン群集の分布. 化石 63, 1-19.
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