Hokuto Iwatani

Profile Information

Affiliation: Assistant Professor, The Graduate School of Sciences and Technology for Innovation, Yamaguchi University

Degree: Sc.D.(Mar, 2011, Shimane University)

ORCID ID: https://orcid.org/0000-0001-6823-6528
J-GLOBAL ID: 201901018099434521
researchmap Member ID: B000355081

External link: https://sites.google.com/view/iwatani-lab

Research Interests

Research Areas

Natural sciences / Biogeoscience /

Research History

Apr, 2019 - Present

Assistant Professor, Division of Earth Science, The Graduate School of Sciences and Technology for Innovation, Yamaguchi University
Mar, 2013 - Mar, 2019

PostDoc Position, School of Biological Sciences, The University of Hong Kong
Nov, 2011 - Jun, 2013

PostDoc Position, Department of Earth and Planetary Systems Science, Hiroshima University
Apr, 2011 - Nov, 2011

PostDoc Position, Interdisciplinary Faculty of Science and Engineering, Shimane University
Yamaguchi University

Awards

Jul, 2022

優秀ポスター賞, トカラ列島周辺海域における現生貝形虫群集, 日本古生物学会

中野太賀, 岩谷北斗, 鈴木克明, 板木拓也, 久保観, 佐々木聡史
Jun, 2014

Best Article Award, Temporal changes of Plio-Pleistocene Ostracoda from the Takanabe Formation, Miyazaki Group, Southwest Japan, Paleontological Society of Japan

Hokuto Iwatani, Toshiaki Irizuki, Takashi Goto

Papers

Ecosystem turnover in an urbanized subtropical seascape driven by climate and pollution

Yuanyuan Hong, Moriaki Yasuhara, Hokuto Iwatani, Anne Chao, Paul G. Harnik, Chih-Lin Wei

Anthropocene, 36 100304-100304, Dec, 2021 Peer-reviewed
Benthic ostracod diversity and biogeography in an urbanized seascape

Yuanyuan Hong, Moriaki Yasuhara, Hokuto Iwatani, Paul G. Harnik, Anne Chao, Jonathan D. Cybulski, Yuan Liu, Yuefei Ruan, Xiangdong Li, Chih-Lin Wei

Marine Micropaleontology, 102067-102067, Nov, 2021 Peer-reviewed
Climate and sea‐level controlling internal architecture of a Quaternary carbonate ramp (Northwest Shelf of Australia)

Maximilian Hallenberger, Lars Reuning, Stefan Back, Stephen J. Gallagher, Hokuto Iwatani, Katja Lindhorst

Sedimentology, Oct 4, 2021 Peer-reviewed
Quaternary equatorial Atlantic deep-sea ostracodes: evidence for a distinct tropical fauna in the deep sea

Moriaki Yasuhara, Hisayo Okahashi, Huai-Hsuan May Huang, Yuanyuan Hong, Hokuto Iwatani, Rachel Wai Ching Chu, Gene Hunt

Journal of Paleontology, 1-41, Aug 11, 2021 Peer-reviewed
Deglacial–Holocene Svalbard paleoceanography and evidence of meltwater pulse 1B

Skye Yunshu Tian, Moriaki Yasuhara, Yuanyuan Hong, Huai-Hsuan M. Huang, Hokuto Iwatani, Wing-Tung Ruby Chiu, Briony Mamo, Hisayo Okahashi, Tine L. Rasmussen

Quaternary Science Reviews, 233(1), Apr, 2020 Peer-reviewed
Benthic community history in the Changjiang (Yangtze River) mega-delta: Damming, urbanization, and environmental control

Richard Ching Wa Cheung, Moriaki Yasuhara, Hokuto Iwatani, Chih-Lin Wei, Yun-wei Dong

Paleobiology, 45(3) 469-483, Jul, 2019 Peer-reviewedCorresponding author
Neogene marine ostracod diversity and faunal composition in Java, Indonesia: Indo-Australian Archipelago biodiversity hotspot and the Pliocene diversity jump

Shin Caren P, Yasuhara Moriaki, Iwatani Hokuto, Kase Tomoki, Fernando Allan Gil S, Hayashi Hiroki, Kurihara Yukito, Pandita Hita

JOURNAL OF CRUSTACEAN BIOLOGY, 39(3) 244-252, May, 2019 Peer-reviewed
Baseline for ostracod-based northwestern Pacific and Indo-Pacific shallow-marine paleoenvironmental reconstructions: ecological modeling of species distributions

Hong Yuanyuan, Yasuhara Moriaki, Iwatani Hokuto, Mamo Briony

BIOGEOSCIENCES, 16(2) 585-604, Feb 1, 2019 Peer-reviewed
Deep-sea ostracod faunal dynamics in a marginal sea: biotic response to oxygen variability and mid-Pleistocene global changes

Huang Huai-Hsuan May, Yasuhara Moriaki, Iwatani Hokuto, Yamaguchi Tatsuhiko, Yamada Katsura, Mamo Briony

PALEOBIOLOGY, 45(1) 85-97, Feb, 2019 Peer-reviewedCorresponding author
Recent ostracode assemblages from Shushi Bay, Tsushima Island, southwestern Japan and their ecological and zoogeographical characteristics

Toshiaki Irizuki, Yuki Fujihara, Hokuto Iwatani, Shigenori Kawano

Laguna, 25 39-54, Dec, 2018 Peer-reviewed
The enigma of rare Quaternary oolites in the Indian and Pacific Oceans: A result of global oceanographic physicochemical conditions or a sampling bias?

S.J. Gallagher, L. Reuning, T. Himmler, J. Henderiks, D. De Vleeschouwer, J. Groeneveld, A. Rastegar Lari, C.S. Fulthorpe, K. Bogus, W. Renema, H.V. McGregor, M.A. Kominz, G. Auer, S. Baranwal, S. Castañeda, B.A. Christensen, D.R. Franco, M. Gurnis, C. Haller, Y. He, T. Ishiwa, H. Iwatani, R.S. Jatiningrum, C.A. Korpanty, E.Y. Lee, E. Levin, B.L. Mamo, C.M. McHugh, B.F. Petrick, D.C. Potts, H. Takayanagi, W. Zhang

Quaternary Science Reviews, 200 114-122, Nov, 2018 Peer-reviewed
Benthic Biotic Response to Climate Changes Over the Last 700,000Years in a Deep Marginal Sea: Impacts of Deoxygenation and the Mid-Brunhes Event

Huang Huai-Hsuan M, Yasuhara Moriaki, Iwatani Hokuto, Zarikian Carlos, A. Alvarez, Bassetti Maria-Angela, Sagawa Takuya

PALEOCEANOGRAPHY AND PALEOCLIMATOLOGY, 33(7) 766-777, Jul, 2018 Peer-reviewed
Intermediate-water dynamics and ocean ventilation effects on the Indonesian Throughflow during the past 15,000 years: Ostracod evidence

Hokuto Iwatani, Moriaki Yasuhara, Yair Rosenthal, Braddock K. Linsley

Geology, 46(6) 567, May, 2018 Peer-reviewedLead authorCorresponding author
Decadal- to Centennial-Scale East Asian Summer Monsoon Variability Over the Past Millennium: An Oceanic Perspective

Cheung Richard, Ching Wa, Yasuhara Moriaki, Mamo Briony, Katsuki Kota, Seto Koji, Takata Hiroyuki, Yang Dong-Yoon, Nakanishi Toshimichi, Yamada Katsura, Iwatani Hokuto

Geophysical Research Letters, 45(15) 7711‐7718-7718, 2018 Peer-reviewed
Cenozoic dynamics of shallow‐marine biodiversity in the Western Pacific

Moriaki Yasuhara, Hokuto Iwatani, Gene Hunt, Hisayo Okahashi, Tomoki Kase, Hiroki Hayashi, Toshiaki Irizuki, Yolanda M. Aguilar, Allan Gil S. Fernando, Willem Renema

Journal of Biogeography, 44(3) 567-578, Oct, 2017 Peer-reviewed
Response of subtropical submarine-cave ecosystem to Holocene cave development and Asian monsoon variability

Wing-Tung Ruby Chiu, Moriaki Yasuhara, Hokuto Iwatani, Akihisa Kitamura, Kazuhiko Fujita

PALEOBIOLOGY, 43(3) 425-434, Aug, 2017 Peer-reviewedCorresponding author
Indonesian Throughflow drove Australian climate from humid Pliocene to arid Pleistocene

Beth A. Christensen, Willem Renema, Jorijntje Henderiks, David De Vleeschouwer, Jeroen Groeneveld, Isla S. Castaneda, Lars Reuning, Kara Bogus, Gerald Auer, Takeshige Ishiwa, Cecilia M. McHugh, Stephen J. Gallagher, Craig S. Fulthorpe, IODP Expedition 356 Scientists

GEOPHYSICAL RESEARCH LETTERS, 44(13) 6914-6925, Jul, 2017 Peer-reviewed
Australian shelf sediments reveal shifts in Miocene Southern Hemisphere westerlies

Jeroen Groeneveld, Jorijntje Henderiks, Willem Renema, Cecilia M. McHugh, David De Vleeschouwer, Beth A. Christensen, Craig S. Fulthorpe, Lars Reuning, Stephen J. Gallagher, Kara Bogus, Gerald Auer, Takeshige Ishiwa, Expedition 356 Scientists

SCIENCE ADVANCES, 3(5), May, 2017 Peer-reviewed
Freshwater reservoir construction by damming a marine inlet in Hong Kong: Paleoecological evidence of local community change

Yuanyuan Hong, Moriaki Yasuhara, Hokuto Iwatani, Koji Seto, Yusuke Yokoyama, Kaoru Yoshioka, Briony Mamo

MARINE MICROPALEONTOLOGY, 132 53-59, Apr, 2017 Peer-reviewedCorresponding author
Quantifying K, U, and Th contents of marine sediments using shipboard natural gamma radiation spectra measured on DV JOIDES Resolution

David De Vleeschouwer, Ann G. Dunlea, Gerald Auer, Chloe H. Anderson, Hans Brumsack, Aaron de Loach, Michael Gurnis, Youngsook Huh, Takeshige Ishiwa, Kwangchul Jang, Michelle A. Kominz, Christian Marz, Bernhard Schnetger, Richard W. Murray, Heiko Pälike, Expedition 356 Shipboard Scientists

GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS, 18(3) 1053-1064, Mar, 2017 Peer-reviewed

Misc.

沖縄本島西部沖東シナ海における表層堆積物中の現生貝形虫群集（予報）

岩谷北斗, 入月俊明

地質調査総合センター速報, (51) 143-147, 2010 Lead authorCorresponding author
GH08航海により沖縄島東部沖太平洋にて採取された表層堆積物中の現生貝形虫群集（予報）

岩谷北斗, 入月俊明

地質調査総合センター速報, (46) 148-152, 2009 Lead authorCorresponding author

Presentations

紀伊水道における現生貝形虫群集の水平分布とNeomonoceratina delicataの発見

竹内美優, 岩谷北斗, 天野敦子, 有元純, 鈴木克明, 板木拓也, 入月俊明

日本地質学会第129年学術大会, Sep, 2022
トカラ列島周辺海域における現生貝形虫群集

中野太賀, 岩谷北斗, 鈴木克明, 板木拓也, 久保観, 佐々木聡史

日本古生物学会2022年年会, Jul 2, 2022
Recent ostracode assemblages from Ishigaki and Iriomote islands, Okinawa Prefecture

Nozomi Kubo, Hokuto Iwatani

Jul, 2021
Fossil ostracode assemblages from the Miocene Tano Formation , Miyazaki Group in the Miyazaki Plain

Taiga Kuramoto, Hokuto Iwatani

Jul, 2021
Plio-Pleistocene paleoenvironmental changes off Northwest Australia

Megumi Toyota, Hokuto Iwatani

Jul, 2021
Temporal changes of Pliocene Ostracoda from the Ananai Formation, Kochi

H. Iwatani, K. Kono, Y. Kondo, Kochi Univ, M. Ikehara, M. Iwai

Jul, 2021
Plant fossils from the Pliocene Kuroki Formation, Kayahara area, the southern part of Fukuoka

Feb, 2021
中期ブリュンヌ期の気候事変における生物応答とオーストラリアモンスーン変動

岩谷北斗, 安原盛明, Gallagher Stephen・Reuning Lars・Henderiks Jorijntje, Groeneveld Jeroen, 石輪健樹, Mamo Briony, Bassetti Maria-Angela

日本地質学会第126年学術大会, Sep, 2019
香港北部貯水池堆積物中の球状炭化粒子からみた過去50年間の大気汚染状況とその発生源の推定

竹中夏子, 井上淳, 奥平敬元, HongYuanyuan, 安原盛明, 岩谷北斗, 瀬戸浩二, 吉岡薫

日本地質学会第126年学術大会, Sep, 2019
Carbonate Petrography of sediments along the North West Shelf of Australia (NWS): a contribution to understanding the “oolite problem”

Maximilian Hallenberger, Lars Reuning, Stefan Back, Stephen J. Gallagher, Hokuto Iwatani

GeoBonn, Sep, 2018
西太平洋域における新生代浅海生物多様性変動

安原盛明, 岩谷北斗, HUNT Gene, 岡橋久世, 加瀬友喜, 林広樹, 入月俊明, AGUILAR Yolanda M, FERNANDO Allan Gil S, RENEMA Willem

日本古生物学会年会講演予稿集, Jun 22, 2018
Cenozoic dynamics of shallow-marine biodiversity in the Western Pacific

Moriaki Yasuhara, Hokuto Iwatani, Gene Hunt, Hisayo Okahashi, Tomoki Kase, Hiroki Hayashi, Toshiaki Irizuki, Yolanda M. Aguilar, Allan Gil S. Fernando, Willem Renema

18th international Symposium on Ostracoda, Aug, 2017
Cenozoic Indo-Pacific Marine Ostracode Biodiversity, 18th international Symposium on Ostracoda

Caren P. Shin, Hokuto Iwatani, Tomoki Kase, Moriaki Yasuhara

18th international Symposium on Ostracoda, Aug, 2017
Freshwater reservoir construction by damming a marine inlet in Hong Kong: paleoecological evidence of local community change

Yuanyuan Hong, Moriaki Yasuhara, Hokuto Iwatani, Koji Seto, Yusuke Yokoyama, Kaoru Yoshioka, Briony L. Mamo

18th international Symposium on Ostracoda, Aug, 2017
Temporal changes of ostracode faunas in the southwestern Japan with relation to the formation and development of Sea of Japan during the Miocene

Toshiaki Irizuki, Hokuto Iwatani, Takashi Goto, Yasutaka Matsuura, Gengo Tanaka

18th international Symposium on Ostracoda, Aug, 2017
Intermediate-water dynamics of the Indonesian Throughflow during the last 15,000 years

Hokuto Iwatani, Moriaki Yasuhara, Yair Rosenthal, Braddock K. Linsley

18th international Symposium on Ostracoda, Aug, 2017
Six million years of Leeuwin Current history using changes in water column stratification and productivity

Beth A. Christensen, David De Vleeschouwer, Jeroen Groeneveld, Benjamin Petrick, Lars Reuning, Gerald Auer, Expedition 356 Shipboard Scientific Party

JpGU 2017, May, 2017
Quantifying K, U and Th contents of marine sediments using shipboard natural gamma radiation spectra measured on DV JOIDES Resolution

David De Vleeschouwer, Ann G. Dunlea, Gerald Auer, Chloe H. Anderson, Hans Brumsack, Aaron de Loach, Michael C. Gurnis, Youngsook Huh, Takeshige Ishiwa, Kwangchul Jang, Michelle A. Kominz, Christian März, Bernhard Schnetger, Richar, W. Murray, Heiko Pälike, IODP Expedition 356 shipboard scientists

EGU, Apr, 2017
Mineralogical influences on porosity-depth trends of shelf deposits (Miocene-Pleistocene) along the northwest shelf of Australia (IODP Expedition 356)

Wolfgang Knierzinger, Eun Young Lee, Michael Wagreich, IODP Expedition 356 shipboard scientists

EGU, Apr, 2017
Porosity-depth trends of carbonate deposits along the northwest shelf of Australia (IODP Expedition 356)

Eun Young Lee, Michelle A. Kominz, Lars Reuning, Hideko Takayanagi, Wolfgang Knierzinger, Michael Wagreich, IODP Expedition 356 shipboard scientists

EGU, Apr, 2017

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