English
CV
Ryoma Hayashi
1091 Oroshimo, Kusatsu, Shiga, 525-0001, Japan
Tel: +81-77-563-4811, Fax: +81-77-563-4850
E-mail address: hayashi-ryoma@biwahaku.jp
Education:
2010 Ph.D., Agriculture
Kyoto Prefectural University, Kyoto
“Vegetation response to past climate changes during the last glacial-interglacial cycle around the Kinki region, western Japan”
(Advisor: Dr. Hikaru Takahara)
2006 M.A., Agriculture
Kyoto Prefectural University, Kyoto
2004 B.A., Agriculture
Kyoto Prefectural University, Kyoto
Work Experience:
2022 – present Research Scientist,
Head of Cultural History and Geoscience Research Group
Lake Biwa Museum, Japan
2020 – present Guest Researcher
Ryukoku University, Japan
2012 – 2022 Research Scientist
Lake Biwa Museum, Japan
2011 – 2012 Part-time Lecturer
Kyoto Gakuen University, Japan
2010 – 2012 Project Assistant Professor
Kyoto Prefectural University, Japan
2008 – 2010 Research Fellowships for Young Scientists
Japan Society for the Promotion of Science, Japan
2007 – 2007 Research Assistant
Kyoto Gakuen University, Japan
2006 – 2008 Part-time Lecturer
Kyoto College of Social Welfare, Japan
Research Interests:
Paleoecology, Palynology, Vegetation history, Land-ocean-atmosphere linkage, Human impact on vegetation
Publications in Peer-reviewed Journals in English:
1) Takahara, H., Ikeda, S., Sasaki, N., Hayashi, R. (2023) Vegetation history of Cryptomeria japonica in Japan since the last interglacial period. Ecological Research 38, 49-63. https://doi.org/10.1111/1440-1703.12357.
2) Hayashi, R., Sasaki, N., Takahara, H., Sugita, S., Saito, H. (2022) Estimation of absolute pollen productivity based on the flower counting approach: A review. Quaternary International. https://doi.org/10.1016/j.quaint.2022.04.015.
3) Kong, S.R., Yamamoto, M., Shaari, H., Hayashi, R., Seki, O., Tahir, N.M., Fadzil, M.F., Sulaiman, A. (2021) The significance of pyrogenic polycyclic aromatic hydrocarbons in Borneo peat core for the reconstruction of fire history. PLOS ONE. https://doi.org/10.1371/journal.pone.0256853.
4) Yamamoto, M., Kikuchi, T., Sakurai, H., Hayashi, R., Seki, O., Omori, T., Sulaiman, A., Shaari, H., Abdullah, M. Z., Melling, L. (2021) Tropical Western Pacific hydrology during the last 6,000 years based on wildfire charcoal records from Borneo. Geophysical Research Letters, Volume48, Issue18e2021GL093832.
5) Hayashi, R., Sagawa, T., Irino, T., Tada, R. (2021) Orbital-scale vegetation-ocean-atmosphere linkages in western Japan during the last 550 ka based on a pollen record from the IODP site U1427 in the Japan Sea. Quaternary Science Reviews 267, 107103.
6) Inoue, J., Okuyama, C., Hayashi, R., Inouchi, Y. (2021) Postglacial anthropogenic fires related to cultural changes in central Japan, inferred from sedimentary charcoal records spanning glacial–interglacial cycles. Journal of Quaternary Science 34, 628-637.
7) Hayashi, R., Takahara, H., Inouchi, Y., Takemura, K., Igarashi, Y. (2017) Vegetation and endemic tree response to orbital-scale climate changes in the Japanese archipelago during the last glacial–interglacial cycle based on pollen records from Lake Biwa, western Japan. Review of Palaeobotany and Palynology 241 85-97.
8) Sánchez Goñi, M.F., Desprat, S., Daniau, A.-L., Bassinot, F.C., Polanco-Martínez, J.M., Harrison, S.P., Allen, J.R.M., Anderson, R.S., Behling, H., Bonnefille, R., Burjachs, F., Carrión, J.S., Cheddadi, R., Clark, J.S., Combourieu-Nebout, N., Mustaphi, Colin. J. Courtney, Debusk, G.H., Dupont, L.M., Finch, J.M., Fletcher, W.J., Giardini, M., González, C., Gosling, W.D., Grigg, L.D., Grimm, E.C., Hayashi, R., Helmens, K., Heusser, L.E., Hill, T., Hope, G., Huntley, B., Igarashi, Y., Irino, T., Jacobs, B., Jiménez-Moreno, G., Kawai, S., Kershaw, A.P., Kumon, F., Lawson, I.T., Ledru, M.-P., Lézine, A.-M., Liew, P., Magri, D., Marchant, R., Margari, V., Mayle, F.E., McKenzie, G.M., Moss, P., Müller, S., Müller, U.C., Naughton, F., Newnham, R.M., Oba, T., Pérez-Obiol, R., Pini, R., Ravazzi, C., Roucoux, K.H., Rucina, S.M., Scott, L., Takahara, H., Tzedakis, P.C., Urrego, D.H., van Geel, B., Valencia, B.G., Vandergoes, M.J., Vincens, A., Whitlock, C.L., Willard, D.A., Yamamoto, M. (2017) The ACER pollen and charcoal database: a global resource to document vegetation and fire response to abrupt climate changes during the last glacial period. Earth Ssystem Science Data 9(2) 679-695.
9) Hayashi, R., Takahara, H., Inouchi, Y., Takemura, K., Igarashi, Y. (2017) Vegetation and endemic tree response to orbital-scale climate changes in the Japanese archipelago during the last glacial‒interglacial cycle based on pollen records from Lake Biwa, western Japan. Review of Palaeobotany and Palynology 241 85-97.
10) Hyodo, F., Kuwae, M., Sasaki, N., Hayashi, R., Makino, W., Kusaka, S., Tsugeki, N., Ishida, S., Ohtsuki, H., Omoto, K., Urabe, J. (2017) Variations in lignin-derived phenols in sediments of Japanese lakes over the last century and their relation to watershed vegetation. Organic Geochemistry 103 125-135.
11) Takahara, H., Hayashi, R. (2015) Paleovegetation during marine isotope stage 3 in East Asia. Emergence and diversity of modern human behavior in paleolithic Asia, Texas A&M University Press 314-324.
12) Kigoshi, T., Kumon, F., Hayashi, R., Kuriyama, M., Yamada, K., Takemura, K. (2014) Climate changes for the past 52 ka clarified by total organic carbon concentrations and pollen composition in Lake Biwa, Japan. Quaternary International 333 2-12.
13) Hayashi, R., Inoue, J., Makino, M., Takahara, H. (2012) Vegetation history during the last 17,000 years around Sonenuma Swamp in the eastern shore area of Lake Biwa, western Japan: with special reference to changes in species composition of Quercus subgenus Lepidobalanus trees based on SEM pollen morphology. Quaternary International 254 99-106.
14) Takahara, H., Igarashi, Y., Hayashi, R., Kumon, F., Liew, P.M., Yamamoto, M., Kawai, S., Oba, T., Irino, T. (2010) Millennial-scale variability in vegetation records from the East Asian Islands: Taiwan, Japan and Sakhalin. Quaternary Science Reviews 29, 2900-2917.
15) Hayashi, R., Takahara, H., Hayashida, A., Takemura, K. (2010) Millennial-scale vegetation changes during the last 40,000 years based on a pollen record from Lake Biwa, Japan. Quaternary Research 74, 91-99.
16) Hayashi, R., Takahara, H., Yoshikawa, S., Inouchi, Y. (2010) Orbital-scale variability of vegetation during MIS 6, 5, 4, and 3 based on a pollen record from the Takashima-oki core in Lake Biwa, western Japan. Japanese Journal of Palynology 56, 5-12.
17) Hayashi, R., Takahara, H., Tanida, K., Danhara, T. (2009) Vegetation response to East Asian monsoon fluctuations from the penultimate to last glacial period based on a terrestrial pollen record from the inland Kamiyoshi Basin, western Japan. Palaeogeography, Palaeoclimatology, Palaeoecology 284, 246-256.
18) Hayashi, R., Takahara, H., Tanida, K., Danhara, T., Yoshikawa, S., Inouchi, Y. (2007) Vegetation response to past climate changes since the last interglacial based on long pollen records from the Kamiyoshi Basin and Lake Biwa, western Japan. Quaternary International 167-168, 158.
Conference Presentations in English:
1) Hayashi, R., Sasaki, N., Takahara, H., Sugita, S. (2021) Estimation of absolute pollen productivity based on flower counting approach and its application for REVEALS-based reconstruction of regional vegetation around Lake Biwa, Japan. LC6k Conference (on-line).
2) Hayashi, R. et al. (2019) Orbital-scale vegetation-ocean linkages in western Japan during the last 500,000 years based on a new pollen record from the Japan Sea. American Geophysical Union Fall Meeting. Moscone Center (San Francisco, USA).
3) Hayashi, R. et al. (2016) Holocene land-use/land-cover changes based on pollen and paleoecological records from archaeological sites around Lake Biwa, Japan，the XIV IPC/ X IOPC，Bahia Othon Palace (Salvador, Brazil).
4) Hayashi, R. et al. (2016) Orbital-scale vegetation fluctuations in western Japan based on pollen records from Japan Sea during the last glacial-interglacial cycle. the XIV IPC/ X IOPC，Bahia Othon Palace (Salvador, Brazil)．
5) Hayashi, R. Irino, T. (2016) Orbital-scale biostratigraphy based on pollen records from U1427 and KR07-12 pc-07 since the last interglacial. Asian Monsoon IODP Expedition 346 2nd (Science) Postcruise Meeting，University of Melbourne（Melbourne, Australia）．
6) Hayashi, R. et al.（2015） Regional contrast in millennial-scale vegetation and climate variability during the last glacial based on pollen records from East Asia，the XIX INQUA Congress 2015，Nagoya Congress Center（Nagoya, Japan）.
7) Hayashi, R., Sasaki, N., Takahara, H., Sugita, S. (2015) Summary of pollen production monitoring in Japan，PAGES (Past Global Changes) working group LandCover6k launching meeting，University of Pierre et Marie Curie（Paris, France）.
8) Hayashi, R., Sasaki, N., Takahara, H., Sugita, S. (2014) Long-term monitoring of tree pollen production and implications for quantitative reconstruction of regional vegetation around Lake Biwa in central Japan，9th Europian Palaeobotany and Palynology Conference，University of Padova（Padova, Italy）．
9) Hayashi, R., Takahara, H., Inouchi, Y. Takemura, K. (2014) Orbital-scale vegetation response to seasonal climate changes in ocean-atmosphere systems during the last glacial-interglacial cycle based on terrestrial and marine pollen records around Japanese archipelago，9th Europian Palaeobotany and Palynology Conference，University of Padova（Padova, Italy）．
10) Hayashi, R., Takahara, H., Igarashi, Y., Kumon, F., Liew, P.M., Yamamoto, M., Kawai, S., Oba, T., Irino, T., Shichi, K. (2012) Detection and characterisation of millennial-scale vegetation and climate variability in Quaternary pollen records from East Asia -recent progress and future perspective．IPC/ IOPC 2012，Chuo University（Tokyo, Japan）．
11) Fujii, R., Takahara, H., Hayashi, R., Yabe, A., Terada, K., Momohara, A., Yoshizawa, Y., Yamamoto, H., Nakagawa, T. (2012) Vegetation reconstruction in MIS5e and MIS5d based on plant remains from the Mizukiri peat layer, Fukui, western Japan．IPC/ IOPC 2012，Chuo University（Tokyo, Japan）．
12) Watanabe, A., Takahara, H., Hayashi, R., Takemura, K. (2012) Vegetation and fire history since the last glacial based on pollen and macroscopic charcoal records in the southern area of Mt. Yufu, northeast Kyushu, Japan．IPC/ IOPC 2012，Chuo University（Tokyo, Japan）．
13) Hayashi, R., Takahara, H., Fujii, R., Yabe, A., Terada, K., Momohara, A., Yoshizawa, Y. (2011) Vegetation reconstruction in MIS5e and MIS5d based on plant remains from the Mizukiri Peat layer, Fukui, western Japan. Part 1: Chronology and regional vegetation from pollen data. XVIII INQUA (International Union for Quaternary Research) Congress (Bern, Switzerland).
14) Yabe, A., Terada, K., Momohara, A., Takahara, H., Hayashi, R., Fujii, R., Yoshizawa, Y. (2011) Vegetation reconstruction in MIS5e and MIS5d based on plant remains from the Mizukiri Peat layer, Fukui, western Japan. Part 2: Local vegetation changes from plant macrofossils. XVIII INQUA (International Union for Quaternary Research) Congress (Bern, Switzerland).
15) Shichi, K., Hayashi, R., Takahara, H., Kashiwaya, K., Nakamura, T. (2011) Difference in impacts of abrupt climate changes on vegetation records between southeastern Siberia and western Japan, East Eurasia. XVIII INQUA (International Union for Quaternary Research) Congress (Bern, Switzerland).
16) Takahara, H., Hayashi, R., Danhara, T., Shichi, K. (2011) Vegetation changes through Glacia/Interglacial cycles for the last 450,000 years in eastern Eurasia, Kamiyoshi Basin, western Japan and Lake Baikal, southeastern Siberia. XVIII INQUA (International Union for Quaternary Research) Congress (Bern, Switzerland).
17) Hayashi, R., Takahara, H., Danhara, T., Yoshikawa, S., Inouchi, Y. Hayashida, A., Takemura, K. (2010) Cryptomeria japonica (Japanese cedar) during the last glacial-interglacial cycle based on pollen records from Lake Biwa and Kamiyoshi basin, western Japan. Third International Metasequoia Symposium (Osaka, Japan).
18) Takahara, H., Hayashi, R., Makino, M. (2010) Species level composition of the oak forests during the Holocene, western Japan by pollen analysis using Scanning Electron Microscopy. 8th European Palaeobotany - Palynology Conference (Budapest, Hungary).
19) Hayashi, R., Takahara, H., Hayashida, A., Takemura, K. (2009) Millennial-scale vegatation response to the East Asian monsoon for the last 40,000 years based on a pollen record of Lake Biwa, the central Japan. PAGES (Past Global Changes) 3rd open science meeting & 1st young scientists meeting (Corvallis, USA).
20) Hayashi, R., Takahara, H., Sasaki, N., Danhara, T., Yoshikawa, S., Inouchi, Y., Hayashida, A., Takemura, K. (2008) Different vegetation patterns between the last interglacial (MIS-5e) and the Holocene based on pollen records of Lake Biwa, Kamiyoshi Basin and Mizoroga-ike mire, the western Japan. 12th International Palynological Congress & 8th International Organisation of Palaeobotany Conference (Bonn, Germany).
21) Hayashi, R., Takahara, H., Tanida, K., Danhara, T., Yoshikawa, S., Inouchi, Y. (2007) Vegetation response to past climate changes since the last interglacial based on long pollen records from the Kamiyoshi Basin and Lake Biwa, western Japan. XVII INQUA (International Union for Quaternary Research) Congress (Cairns, Australia).
22) Hayashi, R., Takahara, H., Danhara, T., Yoshikawa, S., Inouchi, Y. (2006) Vegetation response to climate changes since the last interglacial based on pollen data of the Kamiyoshi Basin and Lake Biwa sediments. The 5th International Symposium on Terrestrial Environmental Changes in East Eurasia and Adjacent Areas (Nagoya, Japan).
Honors and Awards:
• Encouraging Award from the Japanese Palynological Society, 2015