Doctor of Medicine

Environmental load and risk assessment, Cyanotoxin control

Environmental Toxicology

1990, Shinshu University, Graduate School, Division of Natural Science

1994, Shinshu University, Graduate School, Division of Medicine

Environmental factors affecting the development of the green algae Mougeotia and cyanobacteria Dolichospermum in Lake Suwa, Japan
Noriko Futatsugi; Yuichi Miyabara; Maiko Kagami; Ho-Dong Park
Limnology, Jul. 2025

Role of Aquatic Plants in Carbon Dioxide Exchange between the Littoral Zone of a Eutrophic Mid-Latitude Lake and the Atmosphere
Okunisi R, Iwata H, Ochiai Y, Yamada M, H.-D. Park
2025

Bacterial and fungal community composition and community-level physiological profiles in forest soils
Takashi Kunito; Shota Hibino; Hirotaka Sumi; Kozue Sawada; Ho-Dong Park; Kazunari Nagaoka
PLOS ONE, 18(4), e0284817-e0284817, Apr. 2023

Origin of Deep Methane from Active Faults along the Itoigawa–Shizuoka Tectonic Line between the Eurasian and North American Plates: ¹³C/¹²C and ¹⁴C/¹²C Methane Profiles from a Pull-Apart Basin at Lake Suwa
Atsushi Urai; Yoshinori Takano; Yohei Matsui; Hiroki Iwata; Yosuke Miyairi; Yusuke Yokoyama; Yuichi Miyabara; Naohiko Ohkouchi; Ho-Dong Park
ACS Earth and Space Chemistry,, 6, doi: 10.1021/acsearthspacechem.1c00392.-1697, Jun. 2022

Dissolved organic nitrogen, dinoflagellates and cyanobacteria in two eutrophic lakes: Analysis by inferential modelling
Friedrich Recknagel; Ho-Dong Park; Assaf Sukenik; Tamar Zohary
Harmful Algae, 114, 102229-102229, May 2022

尾瀬ヶ原の池溏に生息する枝角類に対する洪水の影響
低温科学, 80, 409-420, 2022

Detection of planktonic coenzyme factor 430 in a freshwater lake: small-scale analysis for probing archaeal methanogenesis
Atsushi Urai; Makoto Matsushita; Ho-Dong Park; Hiroyuki Imachi; Miyuki Ogawara; Hiroki Iwata; Masanori Kaneko; Nanako O. Ogawa; Naohiko Ohkouchi; Yoshinori Takano
Progress in Earth and Planetary Science, 8(1), 62, Dec. 2021, Refereed, Not invited

Organic Phosphorus Substantially Contributes to Crop Plant Nutrition in Soils with Low Phosphorus Availability
Moro, Hitoshi; Park, Ho-Dong; Kunito, Takashi
Agronomy, 11(5), 903-9, May 2021

尾瀬ヶ原の池溏における枝角類とその季節変化
帆苅信,朴虎東
日本陸水学会誌, 82(0), 203-217, 2021

Planktonic methanogenic archaea in a freshwater lake: Molecular evidence from coenzyme factor 430
A. Urai, Y. Takano, H. Imachi, S. Ishii, Y. Matsui, M. Ogawara, E. Tasumi, Y. Miyairi, N.O. Ogawa, T. Yoshimura, F. Inagaki, Y. Yokoyama, K. Kawano, D. Murai, H.D. Park, and N. Ohkouchi
Prog Earth Planet Sci, 8(62), 1-17, 2021

Origin of deep methane associated with a unique community of microorganisms in an organic- and iodine-rich aquifer
A. Urai, Y. Takano, H. Imachi, S. Ishii, Y. Matsui, M. Ogawara, E. Tasumi, Y. Miyairi, N.O. Ogawa, T. Yoshimura, F. Inagaki, Y. Yokoyama, K. Kawano, D. Murai, H.D. Park, and N. Ohkouchi
ACS Earth and Space Chemistry, 5(1), 1-11, 2021, Not invited

淡水域におけるシアノトキシンをとりまく規制動向と研究最前線
水環境学会誌, 43(10), 340-345, Oct. 2020, Not invited

Effects of light conditions on growth and defense compound contents of Datura inoxia and D. stramonium
Hirano Itsuka; Hitomi Iida; Ho-Dong Park; Koichi Takahashi
J. Plant Research, 1-8, 2019, Not invited

Multimedia distributions, bioaccumulation, and trophic transfer of microcystins in the Geum River Estuary, Korea: Application of compoundspecific isotope analysis of amino acids
okyun Kim, Seongjin Hongb, Hyuntae Choi, Bohyung Choia, Jaeseong Kim, Jong Seong Khim, Ho-dong Park, Kyung-Hoon Shina
Environment International., 133, 1-8, 2019

Difference in the foraging strategy between daphnia and copepods in Shirakoma-ike: evidence from 15N / 14N of amino acids
Atsushi Urai and Ho-Dong Park
Res. Org. Geochem., 35, 29 – 36, 2019

Influences of small-scale oscillations on growth inhibition and ultrastructural changes of Microcystis cells
Jisun Han; Bong-Seok Jeon; Katsunori Mizuno; Kenji Yoshida; Ho-Dong Park
JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING, 53(13), 1161-1166, Nov. 2018, Not invited

諏訪湖の水質改善に伴う糸状緑藻Mougeotia属の出現．
二木功子; 宮原裕一; 斉藤保典; 花里孝幸; 朴虎東
日本陸水学会誌, 76, 99-109.-109, 2018, Not invited

Complete Genome Sequence of a Microcystin-Degrading Bacterium, Sphingosinicella microcystinivorans Strain B-9.
Haiyan Jin; Tomoyasu Nishizawa; Yong Guo; Akito Nishizawa; Ho-Dong Park; Hajime Kato; Kiyomi Tsuji; Ken-ichi Harada
Am Soc Microbiology Resource Annoucements,, 7(9), 1-2, 2018, Not invited

The influences of small-scale oscillation on growth inhibition and the ultrastructural changes of Microcystis cells
Jisun Han, Bong-seok Jeon, Katsunori Mizuno, Kenji Yoshida and Ho-Dong Park
Journal of Environmental Science and Health, Part A,, 53(13), 1-6, 2018

諏訪湖における夏期に優占する植物プランクトン種と富栄養化指数の変遷
二木功子; 宮原裕一; 齊藤保典; 花里孝幸; 朴虎東
水環境学会誌, 41(3), 43-54, 2018, Not invited

Widespread dispersal and bio-accumulation of toxic microcystins in benthic marine ecosystems
Akira Umehara; Tohru Takahashi; Tomohiro Komorita; Ryo Orita; Jin-Woo Choi; Risa Takenaka; Rie Mabuchi; Ho-Dong Park; Hiroaki Tsutsumi
CHEMOSPHERE, 167, 492-500, Jan. 2017, Not invited

Long-term zooplankton community records (1996-2017) for Lake Suwa (Japan), Ecological Research, DOI 10.1007/s11284-017-1528-2, (2017)．
Masaki Sakamoto; Takamaru Nagata; Takayuki Hanazato; Yuichi Miyabara; Jin-Yung Ha; Ho-Dong Park; Hideshige Toda; Hye-Ji Oh; Yusuke Oda; Kwang-Hyeon Chang
2017, Not invited

Design and daytime performance of laser-induced fluorescence spectrum lidar for simultaneous detection of multiple components, dissolved organic matter, phycocyanin, and chlorophyll in river water
Yasunori Saito; Kei Kakuda; Mizuho Yokoyama; Tomoki Kubota; Takayuki Tomida; Ho-Dong Park
APPLIED OPTICS, 55(24), 6727-6734, Aug. 2016, Not invited

Aluminum and acidity suppress microbial activity and biomass in acidic forest soils
Takashi Kunito; Ikuko Isomura; Hirotaka Sumi; Ho-Dong Park; Hideshige Toda; Shigeto Otsuka; Kazunari Nagaoka; Kazutoshi Saeki; Keishi Senoo
SOIL BIOLOGY & BIOCHEMISTRY, 97, 23-30, Jun. 2016, Refereed, Not invited

Microcystin release and Microcystis cell damage mechanism by alum treatment with long-term and large dose as in-lake treatment
Jisun Han; Bong-Seok Jeon; Ho-Dong Park
JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING, 51(6), 455-462, May 2016, Not invited

Dynamics and Control Methods of Cyanotoxins in Aquatic Ecosystem. KJEE 49(2)：67-79.
Park Ho-Dong; Jisun Han; Bong–Seok Jeon
2016, Not invited

PERFORMANCE CHARACTERISTICS OF COMPACT MOBILE LIFS (LASER-INDUCED FLUORESCENCE SPECTRUM) LIDAR
Takayuki Tomida; Naoto Nishizawa; Kosuke Sakurai; Hikaru Suganumata; Shodai Tsukada; Sung-Moo Song; Ho-Dong Park; Yasunori Saito
27TH INTERNATIONAL LASER RADAR CONFERENCE (ILRC 27), 119, 2016, Refereed, Not invited

Reappearance of the filamentous green alga Mougeotia after water quality restoration in Lake Suwa
Noriko Futatsugi; Rie Saito; Koya Nakamura; Yuichi Miyabara; Koji Tojo; Takayuki Hanazato; Ho-Dong Park
Japanese Journal of Limnology, 76(2), 99-109, 2016, Refereed, Not invited

The removal of Microcystis ichthyoblabe cells and its hepatotoxin microcystin-LR during electrooxidation process using Pt/Ti electrodes
Bong-Seok Jeon; Jisun Han; Seog-Ku Kim; Hye-Cheol Oh; Ho-Dong Park
JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING, 50(6), 563-570, May 2015, Not invited

Naringin attenuates the cytotoxicity of hepatotoxin microcystin-LR by the curious mechanisms to OATP1B1-and OATP1B3-expressing cells
Shota Takumi; Satoshi Ikema; Tamami Hanyu; Yusuke Shima; Takashi Kurimoto; Kazuhiro Shiozaki; Yasumasa Sugiyama; Ho-Dong Park; Seiichi Ando; Tatsuhiko Furukawa; Masaharu Komatsu
ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY, 39(2), 974-981, Mar. 2015, Not invited

諏訪湖の水質改善に伴う糸状緑藻Mougeotia属の出現．
二木功子; 斎藤梨絵; 中村剛也; 宮原裕一; 東城幸治; 花里孝幸; 朴虎東
日本陸水学会誌, 76, 99-109.-109, 2015, Not invited

Development of a UV laser-induced fluorescence lidar for monitoring blue-green algae in Lake Suwa
Yasunori Saito; Kengo Takano; Fumitoshi Kobayashi; Kazuki Kobayashi; Ho-Dong Park
APPLIED OPTICS, 53(30), 7030-7036, Oct. 2014, Not invited

Degradation of Microcystin and Possible Phosphorus Removal Mechanism by Electrochemical Treatment
Bong-Seok Jeon; Jisun Han; Kuniaki Makino; Ho-Dong Park
ENVIRONMENTAL ENGINEERING SCIENCE, 31(9), 525-531, Sep. 2014, Not invited

Inhibitory effect of naringin on microcystin-LR uptake in the freshwater snail Sinotaia histrica
Liqiang Xie; Tamami Hanyu; Noriko Futatsugi; Masaharu Komatsu; Alan D. Steinman; Ho-Dong Park
ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY, 38(2), 430-437, Sep. 2014, Not invited

Detoxification of microcystin-LR in water by Portulaca oleracea CV.
Takatoshi Isobe; Hiroshi Okuhata; Hitoshi Miyasaka; Bong-Seok Jeon; Ho-Dong Park
JOURNAL OF BIOSCIENCE AND BIOENGINEERING, 117(3), 330-332, Mar. 2014, Not invited

Plant roots influence microbial activities as well as cadmium and zinc fractions in metal-contaminated soil.
Sumi, H; Kunito, T; Ishikawa, Y; Sato, T; Park Ho-Dong; Nagaoka, K; Aikawa, Y
Chem. Ecol., DOI:10.1080/02757540.2014.9505, 2014, Not invited

Accumulation and inhibitory effects of microcystin on the growth of rice and broccoli.
Kazuhiko Maejima; Terukazu Muraokaa; Park Ho-Dong
KJEE, 47, 19-30, 2014, Not invited

長野県白駒池に生息するBotryococcus brauniiの脂質生産特性
須崎泰弘; 二木功子; 渡邊琴文; 福島和夫; 朴虎東
日本陸水学会誌, 75, 161-171, 2014, Not invited

アオコにより生成する毒素に関する研究．
朴虎東
水環境学会誌, 37(5), 169-174, 2014, Not invited

Effect of the hydraulic turnover rate on the apparent specific growth rate and biomass of Microcystis in Lake Suwa
Koya Nakamura; Takamitsu Homma; Yuichi Miyabara; Takayuki Hanazato; Ho-dong Park
NIPPON SUISAN GAKKAISHI, 79(5), 851-862, Sep. 2013, Refereed, Not invited

琵琶湖磯漁港のアオガモ斃死試料中の藍藻毒素microcystin-LRの蓄積.
中村剛也; 朴虎東
日本鳥学会, 7962(2), 153-165, 2013, Not invited

諏訪湖における湖水の回転率がMicrocystisの見かけの比増殖速度・現存量に与える影響.
中村剛也; 本間隆満; 宮原裕一; 花里孝幸; 朴虎東
日本水産学会誌, 79(5), 851-862, 2013, Not invited

The effect of alum coagulation for in-lake treatment of toxic Microcystis and other cyanobacteria related organisms in microcosm experiments.
Han Jisun; Bong-seok Jeon; Noriko Futatsugi; Park, H.-D
Ecotoxicology and Environmental Safety, 96, 17-23, 2013, Not invited

Modeling mitigation strategies for toxic cyanobacteria blooms in shallow and eutrophic Lake Kasumigaura, Japan
Md Nazrul Islam; Daisuke Kitazawa; Thomas Hamill; Ho Dong Park
Mitigation and Adaptation Strategies for Global Change, 18(4), 449-470, 2013, Not invited

Lake restoration by biomanipulation using piscivore and Daphnia stocking; results of the biomanipulation in Japan
Jin-Yong Ha; Mineo Saneyoshi; Ho-Dong Park; Hideshige Toda; Satoshi Kitano; Takamitsu Homma; Takehito Shiina; Yutaka Moriyama; •Kwang-Hyeon Chang; Takayuki Hanazato
Limnology, 14(1), 19-30-30, 2013, Not invited

Ecological niche separation in the Polynucleobacter subclusters linked to quality of dissolved organic matter: a demonstration using a high sensitivity cultivation-based approach
Keiji Watanabe; Nobuyuki Komatsu; Tatsumi Kitamura; Yuichi Ishii; Ho-Dong Park; Ryo Miyata; Naohiro Noda; Yuji Sekiguchi; Takayuki Satou; Mirai Watanabe; Shigeki Yamamura; Akio Imai; Seiji Hayashi
ENVIRONMENTAL MICROBIOLOGY, 14(9), 2511-2525, Sep. 2012, Not invited

Genera Burkholderia and Lipomyces are predominant aluminum-resistant microorganisms isolated from acidic forest soils using cycloheximide-amended growth media
Takashi Kunito; Miki Owaki; Yasutaka Ihyo; Hirotaka Sumi; Hideshige Toda; Daisuke Fukuda; Ho-Dong Park
ANNALS OF MICROBIOLOGY, 62(3), 1339-1344, Sep. 2012, Not invited

Historical change of phytoplankton in a eutrophic lake in Japan as determined by analysis of photosynthetic pigments in a lakebed sediment core
Kotomi Watanabe; Ho-Dong Park; Fujio Kumon
ENVIRONMENTAL EARTH SCIENCES, 66(8), 2293-2300, Aug. 2012, Not invited

Soil Properties Affecting Phosphorus Forms and Phosphatase Activities in Japanese Forest Soils: Soil Microorganisms May Be Limited by Phosphorus
Takashi Kunito; Makiko Tsunekawa; Seishi Yoshida; Ho-Dong Park; Hideshige Toda; Kazunari Nagaoka; Kazutoshi Saeki
SOIL SCIENCE, 177(1), 39-46, Jan. 2012, Not invited

Numerical modeling on toxin produced by predominant species of cyanobacteria within the ecosystem of Lake Kasumigaura, Japan
M. N. Islam; D. Kitazawa; H. D. Park
18TH BIENNIAL ISEM CONFERENCE ON ECOLOGICAL MODELLING FOR GLOBAL CHANGE AND COUPLED HUMAN AND NATURAL SYSTEM, 13, 166-193, 2012, Not invited

Cyanobacteria cell damage and cyanotoxin release in response to alum treatment
Jisun Han; Bong-seok Jeon; Ho-Dong Park
WATER SCIENCE AND TECHNOLOGY-WATER SUPPLY, 12(5), 549-555, 2012, Not invited

大麦根圏中のリン形態変動と微生物群集の基質利用パターンの変動(2012年度土壌微生物学会講演要旨)
諸 人誌; 國頭 恭; 朴 虎東; 佐藤 強
土と微生物, 66(2), 79-79, 2012

銅添加が森林土壌中の微生物群集の構造や機能的多様性へ与える影響(2012年度土壌微生物学会講演要旨)
王 京; 國頭 恭; 墨 泰孝; 佐藤 強; 朴 虎東; 長岡 一成
土と微生物, 66(2), 81-81, 2012

諏訪湖における藍藻の現存量・種組成変化に及ぼす滞留時間の影響
中村剛也; 本間隆満; 宮原裕一; 花里孝幸; 朴虎東
水環境学会誌, 33(9), 123-129, 2010, Not invited

諏訪湖で起きたアオコの激減とラン藻組成の変化
朴虎東
水環境学会誌, 32(5), 229-231, 2009, Not invited

諏訪湖藍藻優占機構に対する滞留時間の影響
中村 剛也; 宮原 裕一; 花里 孝幸; 朴 虎東
日本陸水学会 講演要旨集, 74, 188-188, 2009

スベリヒユ科植物によるアオコ毒素microcystin除去の可能性
磯部 鷹俊; 奥畑 博史; 宮坂 均; 朴 虎東
日本陸水学会 講演要旨集, 74, 186-186, 2009

Changes in ecosystem structure associated with the restoration of water quality in the shallow eutrophic Lake Suwa, Japan
Takayuki Hanazato; Takarnaru Nagata; Masataka Sakuma; Ho-Dong Park; Kimio Hirabayashi; Kaoru Takei
INTERNATIONAL ASSOCIATION OF THEORETICAL AND APPLIED LIMNOLOGY, VOL 30, PT. 7, PROCEEDINGS, 30, 1085-+, 2009, Refereed, Not invited

Influences of nitrogen and phosphorus addition on polyphenol oxidase activity in a forested Andisol.
Kunito, T; c; Akagi, Y; Park, H.-D; amd Toda, H
European Journal of Forest Research, 128(4), 361-366-366, 2009, Refereed, Not invited

Relationship between Microcystis morphospecies composition and nutrient concentration in the water basin (Nishiura, Kitaura) of Kasumigaura, Japan
HOMMA TAKAMITSU; KOMATSU NOBUYUKI; NEGISHI MASAMI; NAKAMURA KOYA; PARK HO-DONG; TAKAMITSU HOMMA; NOBUYUKI KOMATSU; MASAMI NEGISHI; KOYA NAKAMURA; HO-DONG PARK; Department of Environmental Sciences Faculty of Science Shinshu University; Department of Environmental Sciences Faculty of Science Shinshu University
NSUGAF, 74(2), 189-198, Mar. 2008

森林土壌における重金属溶出が土壌微生物群集に与える影響
井表靖貴; 國頭 恭; 朴 虎東; 戸田任重; 吉田清志
第14回 地下水・土壌汚染とその防止対策に関する研究集会, 125-129, 2008, Not invited

Effects of Pesticides on Community Productivity of Periphyton
MIYAZAKI Satoe; PARK Ho-Dong; YOKOYAMA Atsushi; HOJYO Toshihiko
Japan journal of water pollution research, 30(10), 589-596, Oct. 2007

Prediction for temporal changes of cell concentration of the cyanobacterium Microcystis in Tenryu River, using the fluid dynamic model of cyanobacteria
KATAGAMI Yukimi; NAKAYAMA Keisuke; YOKOYAMA Atsushi; HOMMA Takamitsu; PARK Ho-dong
Japanese Journal of Limnology (Rikusuigaku Zasshi), 68(2), 241-251, Aug. 2007

諏訪湖におけるラン藻ブルームの種組成変化とその原因について
中村 剛也; 宮原 裕一; 花里 孝幸; 朴 虎東
日本陸水学会 講演要旨集, 72, 10-10, 2007

Sphingosinicella microcystinivorans gen. nov., sp nov., a microcystin-degrading bacterium
T Maruyama; HD Park; K Ozawa; Y Tanaka; T Sumino; K Hamana; A Hiraishi; K Kato
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY, 56, 85-89, Jan. 2006, Not invited

フィンランドラップランド湖沼のプランクトンおよび湖底泥における光合成色素組成
渡邊 琴文; 福島 和夫; 本間 隆満; 熊谷 道夫; 早川 和秀; Korhola Atte; 朴 虎東
日本陸水学会 講演要旨集, 71, 83-83, 2006

諏訪湖における糸状藍藻Aphanizomenon flos-aquaeの優占機構について
中村 剛也; 朴 虎東; 花里 孝幸; 宮原 裕一
日本陸水学会 講演要旨集, 71, 7-7, 2006

Comparison of ratio of microbes decolorizing humic acid between three forest soil types.
Nishiyama, T; Kunito, T; Park, H.-D; Toda, H
Proceedings of Shinshu University International Symposium 2006, Mountainous Environment: Past, Present and Future., 102-103, 2006, Not invited

Method optimization in analysis of acid-volatile sulfide and simultaneously extracted metals in sediments and soils.
Toya, H; Kunito, T; Park, H.-D; Toda, H
Proceedings of Shinshu University International Symposium 2006, Mountainous Environment: Past, Present and Future., 100-101, 2006, Not invited

Aluminum fractionation in forest soils of Nagano Prefecture, Japan.
Isomura, I; Kunito, T; Park, H.-D; Toda, H
Proceedings of Shinshu University International Symposium 2006, Mountainous Environment: Past, Present and Future., 98-99, 2006, Not invited

Influences of Nitrate and Phosphate Concentrations on Microcystis Species Composition and Microcystin Concentration in Lake Suwa
HONMA Takamitsu; PARK Ho-Dong
Journal of Japan Society on Water Environment, 28(6), 373-378, Jun. 2005

Organ distribution and bioaccumulation of microcystins in freshwater fish at different trophic levels from the eutrophic Lake Chaohu, China
LQ Xie; P Xie; LG Guo; L Li; Y Miyabara; HD Park
ENVIRONMENTAL TOXICOLOGY, 20(3), 293-300, Jun. 2005, Not invited

Spatial distribution and temporal variation of Microcystis species composition and microcystin concentration in lake biwa
K Ozawa; H Fujioka; M Muranaka; A Yokoyama; Y Katagami; T Homma; K Ishikawa; S Tsujimura; M Kumagai; MF Watanabe; HD Park
ENVIRONMENTAL TOXICOLOGY, 20(3), 270-276, Jun. 2005, Not invited

Changes in Microcystis species composition and cell-quota basis of microcystin concentration in Lake Suwa
HONMA Takamitsu; PARK Ho-Dong
Japanese Journal of Limnology (Rikusuigaku Zasshi), 66(3), 191-195, 2005

Population Dynamics of Free-Living Bacteria Related to the Microcystin-Degrading Strain Y2 in Lake Suwa and in Microcystin Amended Enrichments
MARUYAMA TOMOKO; KATO KENJI; PARK HO-DONG
Microbes and environments, 19(2), 137-146, Jun. 2004

Dynamics of microcystins-LR and -RR in the phytoplanktivorous silver carp in a sub-chronic toxicity experiment
LQ Xie; P Xie; K Ozawa; T Honma; A Yokoyama; HD Park
ENVIRONMENTAL POLLUTION, 127(3), 431-439, 2004, Not invited

Accumulation and depuration of microcystin produced by the cyanobacterium Microcystis in a freshwater snail
K Ozawa; A Yokoyama; K Ishikawa; M Kumagai; MF Watanabe; HD Park
LIMNOLOGY, 4(3), 131-138, Dec. 2003, Not invited

Detection and sequencing of the microcystin LR-degrading gene, mlrA, from new bacteria isolated from Japanese
T Saito; K Okano; HD Park; T Itayama; Y Inamori; BA Neilan; BP Burns; N Sugiura
FEMS MICROBIOLOGY LETTERS, 229(2), 271-276, Dec. 2003, Not invited

Analysis of the dynamics of the cyanobacterium Microcystis in the Tenryu River, Japan using an advection-diffusion model
KATAGAMI Yukimi; NAKAYAMA keisuke; KIM Ho-Sub; YONEZDUKA Sayoko; PARK Ho-Dong
Japanese Journal of Limnology (Rikusuigaku Zasshi), 64(2), 121-131, Aug. 2003

Dynamics of microcystin-degrading bacteria in mucilage of Microcystis
T Maruyama; K Kato; A Yokoyama; T Tanaka; A Hiraishi; HD Park
MICROBIAL ECOLOGY, 46(2), 279-288, Aug. 2003, Not invited

Depuration kinetics and persistence of the cyanobacterial toxin microcystin-LR in the freshwater bivalve Unio douglasiae
A Yokoyama; HD Park
ENVIRONMENTAL TOXICOLOGY, 18(1), 61-67, Feb. 2003, Not invited

Mechanism and prediction for contamination of freshwater bivalves (Unionidae) with the cyanobacterial toxin microcystin in hypereutrophic Lake Suwa, Japan
A Yokoyama; HD Park
ENVIRONMENTAL TOXICOLOGY, 17(5), 424-433, Oct. 2002, Not invited

諏訪湖における栄養塩変動とMicrocystis種組成の変化
本間 隆満; 佐藤 桃子; 花里 孝幸; 朴 虎東
日本陸水学会 講演要旨集, 68, 260-260, 2002

Degradation of the cyanobacterial hepatotoxin microcystin by a new bacterium isolated from a hypertrophic lake
HD Park; Y Sasaki; T Maruyama; E Yanagisawa; A Hiraishi; K Kato
ENVIRONMENTAL TOXICOLOGY, 16(4), 337-343, Aug. 2001, Not invited

Co-production of microcystins and aeruginopeptins by natural cyanobacterial bloom
Ken-Ichi Harada; Tsuyoshi Mayumi; Takayuki Shimada; Kiyonaga Fujii; Fumio Kondo; Ho-Dong Park; Mariyo F. Watanabe
Environmental Toxicology, 16(4), 298-305, 2001, Not invited

[D-Leu1] microcystin-LR, a new microcystin isolated from waterbloom in a Canadian prairie lake
H. Park; M. Namikoshi; S. M. Brittain; W. W. Carmichael; T. Murphy
Toxicon, 39(6), 855-862, 2001, Not invited

Fate of microcystin in Lake Suwa.
PARK Ho-Dong; YOKOYAMA Atsushi; OKINO Tokio
Japanese Journal of Limnology (Rikusuigaku Zasshi), 62(3), 229-248, 2001

Microcystin content of cyanobacterial cells in Korean reservoirs and their toxicity, 共著, B. Kim, H.D. Park他1名, K.J.Limnol., 32, pp.288-294 (1999).
共著, B. Kim, H.D. Park他1名
K.J.Limnol., 32, 288-294, 1999, Not invited

Hepatotoxic microcystins and neurotoxic anatoxin-a in cyanobacterial blooms from Korean lakes
HD Park; B Kim; E Kim; T Okino
ENVIRONMENTAL TOXICOLOGY AND WATER QUALITY, 13(3), 225-234, Aug. 1998, Not invited

Relationships between the Occurrence of Microcystis and the Water Quality Factors in Lake Suwa
HO-DONG Park; OKINO Tokio
NSUGAF, 64(2), 307-308, Mar. 1998

Temporal variabilities of the concentrations of intra- and extracellular microcystin and toxic microcystis species in a hypertrophic lake, Lake Suwa, Japan (1991-1994)
HD Park; C Iwami; MF Watanabe; K Harada; T Okino; H Hayashi
ENVIRONMENTAL TOXICOLOGY AND WATER QUALITY, 13(1), 61-72, Feb. 1998, Not invited

富栄養化水域におけるアオコ毒素の挙動，海洋と生物
朴 虎東
海洋と生物, 115(2), 109-116, 1998, Not invited

Identification and estimation of microcystins in freshwater mussels
M. F. Watanabe; H. D. Park; F. Kondo; K. I. Harada; H. Hayashi; T. Okino
Natural Toxins, 5(1), 31-35, 1997, Not invited

Detection of microcystins, a blue-green algal hepatotoxin, in drinking water sampled in Haimen and Fusui, endemic areas of primary liver cancer in China, by highly sensitive immunoassay
Y Ueno; S Nagata; T Tsutsumi; A Hasegawa; MF Watanabe; HD Park; GC Chen; G Chen; SZ Yu
CARCINOGENESIS, 17(6), 1317-1321, Jun. 1996, Not invited

SEASONAL-VARIATIONS OF MICROCYSTIS SPECIES AND TOXIC HEPTAPEPTIDE MICROCYSTINS IN LAKE SUWA
HD PARK; MF WATANABE; KI HARADA; M SUZUKI; H HAYASHI; T OKINO
ENVIRONMENTAL TOXICOLOGY AND WATER QUALITY, 8(4), 425-435, Nov. 1993, Not invited

LIQUID-CHROMATOGRAPHY MASS-SPECTROMETRIC DETECTION OF ANATOXIN-A, A NEUROTOXIN FROM CYANOBACTERIA
K HARADA; H NAGAI; Y KIMURA; M SUZUKI; HD PARK; MF WATANABE; R LUUKKAINEN; K SIVONEN; WW CARMICHAEL
TETRAHEDRON, 49(41), 9251-9260, Oct. 1993, Not invited

49 PRODUCTION OF NEW PEPTIDES BY TOXIC CYANOBACTERIA AND ITS ECOLOGICAL ASPECTS
Harada Ken-ichi; Mayumi Tsuyoshi; Shimada Takayuki; Suzuki Makoto; Kondo Fumio; Park Ho-dong; Watanabe Mariyo F.
Symposium on the Chemistry of Natural Products, symposium papers, (35), 377-384, Sep. 1993

ROLE OF ENCYSTMENT AND EXCYSTMENT OF PERIDINIUM-BIPES F OCCULATUM (DINOPHYCEAE) IN FRESH-WATER RED TIDES IN LAKE KIZAKI, JAPAN
HD PARK; H HAYASHI
JOURNAL OF PHYCOLOGY, 29(4), 435-441, Aug. 1993, Not invited

異なる自生性有機物の添加に対する富栄養湖堆積物中のメタン生成応答の違い
JET Yang Chun; 岩田拓記; 朴虎東; 宮原裕一; 浦井暖史; 二木功子; 伊藤雅之; 高野淑識
日本農業気象学会全国大会講演要旨(CD-ROM), 2024, 2024

浅い富栄養湖からのメタン放出の経年変動の制御要因
山田基; 岩田拓記; 宮原裕一; 朴虎東; 澤野耕平; 平田竜一; 高橋善幸; 伊藤雅之
日本農業気象学会関東甲信越支部例会一般講演要旨集(Web), 2023, 2023

異なる自生性有機物の添加に対する富栄養湖堆積物中のメタン生成応答の違い
YANG Chun Jet; 岩田拓記; 朴虎東; 宮原裕一; 伊藤雅之; 浦井暖史; 高野淑識
日本農業気象学会全国大会講演要旨(CD-ROM), 2023, 2023

異なる自生性有機物の添加に対する富栄養湖堆積物中のメタン生成応答の違い
YANG Chun Jet; 岩田拓記; 朴虎東; 宮原裕一; 伊藤雅之
日本農業気象学会関東甲信越支部例会一般講演要旨集(Web), 2022, 2022

アオコ添加に対する富栄養湖堆積物中のメタン生成の応答
JET Yang Chun; 岩田拓記; 朴虎東; 宮原裕一; 伊藤雅之; 高野淑識; 浦井暖史
日本農業気象学会全国大会講演要旨(CD-ROM), 2022 (CD-ROM), 2022

植物プランクトン添加に対する湖底堆積物中のメタン生成の応答
YANG Chun Jet; 岩田拓記; 朴虎東; 宮原裕一; 伊藤雅之; 高野淑識; 浦井暖史
日本農業気象学会関東甲信越支部例会一般講演要旨集(Web), (17), 2021

アルカリ資材添加に伴う大麦根圏土壌の重金属形態と微生物群集の炭素基質利用パターンの変化
墨泰孝; 墨泰孝; 國頭恭; 石川祐一; 朴虎東; 佐藤強; 長岡一成; 相川良雄; 相川良雄
日本土壌肥料学会講演要旨集, 62, 2016

重金属汚染土壌の大麦根圏と非根圏における植物生長促進細菌の分布と特性(2015年度大会講演要旨)
墨 泰孝; 國頭 恭; 石川 祐一; 出澤 文武; 齋藤 龍司; 矢口 直輝; 朴 虎東; 長岡 一成; 相川 良雄
土と微生物, 69(2), 115 - 115, 01 Oct. 2015

P8-1-28 重金属汚染土壌の大麦根圏と非根圏に分布する植物生長促進細菌の特性(ポスター,8-1 環境保全,2015年度京都大会)
墨 泰孝; 國頭 恭; 石川 祐一; 出澤 文武; 齋藤 龍司; 矢口 直輝; 朴 虎東; 長岡 一成; 相川 良雄
日本土壌肥料学会講演要旨集, (61), 174 - 174, 09 Sep. 2015

Cd・Zn汚染土壌の大麦根圏における植物生長促進細菌群の分布
墨泰孝; 國頭恭; 石川祐一; 齋藤龍司; 矢口直輝; 朴虎東; 長岡一成; 相川良雄; 相川良雄
環境化学討論会要旨集(CD-ROM), 23rd, 2014

重金属汚染土壌の大麦根圏と非根圏における植物生長促進細菌群の特性
墨泰孝; 國頭恭; 石川祐一; 齋藤龍司; 矢口直輝; 朴虎東; 長岡一成; 相川良雄; 相川良雄
日本土壌肥料学会講演要旨集, 60, 2014

37 アルカリ資材添加土壌における重金属形態と微生物群集の生理的性質(関東支部講演会,2011年度各支部会)
墨 泰孝; 國頭 恭; 石川 祐一; 朴 虎東; 佐藤 強; 長岡 一成; 相川 良雄
日本土壌肥料学会講演要旨集, (58), 275 - 275, 04 Sep. 2012

P5-2 施肥管理の違いが土壌微生物群集の生理的状態へ与える影響(5.土壌生化学,2012年度鳥取大会)
諸 人誌; 國頭 恭; 朴 虎東; 佐藤 強
日本土壌肥料学会講演要旨集, (58), 33 - 33, 04 Sep. 2012

22-43 銅添加した森林土壌における銅形態の経時変化と土壌微生物への影響(22.環境保全)
王 京; 國頭 恭; 佐藤 強; 朴 虎東
日本土壌肥料学会講演要旨集, (57), 164 - 164, 08 Aug. 2011

22-29 大麦根圏土壌における重金属形態と微生物群集の生理的性質 : ライゾボックスを用いた評価(22.環境保全)
墨 泰孝; 國頭 恭; 石川 祐一; 朴 虎東; 佐藤 強; 長岡 一成; 相川 良雄
日本土壌肥料学会講演要旨集, (57), 159 - 159, 08 Aug. 2011

5-1 根圏中のリン形態変動について(5.土壌生化学)
諸 人誌; 國頭 恭; 朴 虎東; 佐藤 強
日本土壌肥料学会講演要旨集, (57), 33 - 33, 08 Aug. 2011

1-3 土壌団粒サイズの違いが微生物特性の基質利用性と酵素活性へ与える影響(1.物質循環・動態)
中山 到; 國頭 恭; 佐藤 強; 朴 虎東
日本土壌肥料学会講演要旨集, (57), 1 - 1, 08 Aug. 2011

P5-4 土壌微生物群集の代謝多様性と土壌特性との関連(ポスター紹介,5.土壌生化学,2010年度北海道大会)
日比野 翔太; 國頭 恭; 佐藤 強; 吉田 清志; 朴 虎東; 長岡 一成
日本土壌肥料学会講演要旨集, (56), 29 - 29, 07 Sep. 2010

Inhibitory effects of Acacia extract on growth of blue-green algae Microcystis spp.
YIN AN-QUI; LEE HONG-WU; WATANABE KOTOMI; NAKAMURA KOYA; PARK HO-DONG; BAN SYUHEI
Bulletin of the Plankton Society of Japan, 57(2), 73 - 78, 26 Aug. 2010

5-3 森林土壌中のリンの存在形態とホスファターゼ活性(5.土壌生化学,2008年度愛知大会)
國頭 恭; 恒川 真紀子; 吉田 清志; 朴 虎東; 戸田 任重; 長岡 一成; 佐伯 和利
日本土壌肥料学会講演要旨集, (54), 40 - 40, 09 Sep. 2008

22-23 森林土壌中の重金属濃度と細菌群耐性度との関係(22.環境保全,2008年度愛知大会)
井表 靖貴; 國頭 恭; 朴 虎東; 戸田 仁重; 吉田 清志
日本土壌肥料学会講演要旨集, (54), 173 - 173, 09 Sep. 2008

Long-term changes in cyanobacterial community and ecosystem structure in Lake Suwa
HANAZATO TAKAYUKI; PARK HO-DONG
Bulletin of the Plankton Society of Japan, 55(1), 48 - 51, 26 Feb. 2008

Dynamics of the microcystin in aquatic ecosystem
PARK HO-DONG
Bulletin of the Plankton Society of Japan, 55(1), 58 - 62, 26 Feb. 2008

66 カラマツ葉リター分解初期過程におけるフォスファターゼ活性とリン形態の経時変化(関東支部講演会,2006年度各支部会)
國頭 恭; 蛭田 真美; 朴 虎東; 戸田 任重
日本土壌肥料学会講演要旨集, (53), 268 - 268, 22 Aug. 2007

67 森林土壌タイプ間での腐植酸脱色菌割合の比較(関東支部講演会,2006年度各支部会)
西山 祐; 國頭 恭; 朴 虎東; 戸田 任重
日本土壌肥料学会講演要旨集, (53), 269 - 269, 22 Aug. 2007

5-2 カラマツおよびササ葉リター分解過程における土壌酵素活性の経時変化(5.土壌生化学,2007年度東京大会)
國頭 恭; 宮岸 靖典; 朴 虎東; 戸田 任重
日本土壌肥料学会講演要旨集, (53), 33 - 33, 22 Aug. 2007

5-4 腐植酸分解菌の分解能の土壌タイプ間での比較(5.土壌生化学,2007年度東京大会)
西山 祐; 國頭 恭; 朴 虎東; 戸田 任重
日本土壌肥料学会講演要旨集, (53), 34 - 34, 22 Aug. 2007

水田土壌における微生物への重金属の毒性影響:酸揮発性硫化物と同時抽出金属を用いた評価
戸谷仁美; 國頭恭; 石川祐一; PARK Ho-Dong; 戸田任重; 佐伯和利; 相川良雄; 松本聰
環境科学会年会一般講演・シンポジウム・プログラム, 2007, 2007

水田土壌における酸揮発性硫化物(AVS)と同時抽出金属(SEM)を用いた微生物に対する重金属の毒性影響評価
戸谷仁美; 國頭恭; 石川祐一; 朴虎東; 戸田任重; 佐伯和利; 相川良雄; 松本聰
日本土壌肥料学会講演要旨集, 53, 2007

5-1 窒素添加が植物リター分解に関わる土壌酵素活性に与える影響(5. 土壌生化学, 2006年度秋田大会講演要旨)
國頭 恭; 赤木 義則; 朴 虎東; 戸田 任重
日本土壌肥料学会講演要旨集, (52), 27 - 27, 05 Sep. 2006

Microcystisの捕食者がmicrocystin生産に与える影響
中村剛也; 池中良徳; 宮原裕一; 朴虎東
日本陸水学会大会講演要旨集, 70th, 114, 10 Sep. 2005, Not invited

Bioaccumulation of a cyanobacterial toxin, microcystin, on Stenopsyche marmorata and the ecological implications for its impact on the ecosystem of the Tenryu River, Japan
KATAGAMI Yukimi; TANAKA Toshiyuki; HONMA Takamitsu; YOKOYAMA Atsushi; PARK Ho-Dong
Japanese journal of limnology, 65(1), 1 - 12, 20 Apr. 2004

Fate of microcystin in Lake Suwa
朴 虎東; 横山 淳史; 沖野 外輝夫
Research report of the Research and Education Center for Inlandwater Environment, Shinshu University, (1), 79 - 97, Oct. 2003

有毒アオコ毒素ミクロシスチンの動態とその除去法
朴 虎東
水, 44(13), 20 - 32, Nov. 2002

S1-3 Microcystinの生態系に及ぼす影響及びその分解過程に関係するバクテリア(ラン藻毒ミクロシスチンの生合成と分解の生理・生態学-微生物の生産する毒性物質の遺伝子から生態まで-,シンポジウム1)
朴 虎東
日本微生物生態学会講演要旨集, (18), 201 - 201, 2002

Occurence of Fresh Water Red Tide of Peridinium spp. in Lake Kizaki
KIDA K
J Fac Sci Shinshu Univ., 24(2), 13 - 25, 30 Mar. 1990

アオコの消長と毒素「アオコが消えた諏訪湖―人と生き物のドラマー」
朴虎東, Joint work
信濃毎日新聞社, 192-219 2005

Lake Kizaki-Limnology and Ecology of a Japanese lake; Freshwaater red tides of Peridinium bipes,Chap. 18, Backhuys Publishers, Leiden,共著, Y. Saijo and H. Hayashieds., H.D. Park, pp. 278-299
Single work
22頁 2001

Cyanotoxins-occurrence causes consequences; Cyanotoxins and cyanobacterial blooms in South Korean lakes, Chap. 2, Springer, Berlin, 共著, I. Chorus ed., H.D. Park, pp. 68-75
Single work
8頁 2001

Chemical ecology
Shinshu University

Limnology
Shinshu University

炭素の流れの多角的評価を基にした浅い湖の富栄養化に伴うメタン放出応答の解析
科学研究費助成事業, 日本学術振興会, 基盤研究(A)
信州大学
01 Apr. 2025 - 31 Mar. 2030

How does the seasonal and interannual variations in methane emission respond to the eutrophication in a shallow lake?
Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Grant-in-Aid for Scientific Research (B)
Shinshu University
01 Apr. 2021 - 31 Mar. 2026

How does the seasonal and interannual variations in methane emission respond to the eutrophication in a shallow lake?
Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Grant-in-Aid for Scientific Research (B)
Shinshu University
01 Apr. 2021 - 31 Mar. 2026

Development of cyanobacteria control device that applies low-frequency vibration of underwater speaker
Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Grant-in-Aid for Scientific Research (C)
Shinshu University
01 Apr. 2021 - 31 Mar. 2024

湖沼で神経毒を生産するラン藻類のモニタリングと制御に向けたゲノム基盤研究
科学研究費助成事業, 日本学術振興会, 基盤研究(C)
01 Apr. 2018 - 31 Mar. 2023

Chemical ecology of sexual isolation and reproductive interference in pulmonates
Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Grant-in-Aid for Scientific Research (A)
Shinshu University
01 Apr. 2017 - 31 Mar. 2022

Host parasite interactions between phytoplankton and diverse fungi: Dynamics of infectious disease in a changing world
Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Grant-in-Aid for Scientific Research (B)
01 Apr. 2016 - 31 Mar. 2020

Development of toxic cyanobacteria bloom controller and optimization of control parameters
Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Grant-in-Aid for Scientific Research (C)
Shinshu University
01 Apr. 2016 - 31 Mar. 2019

Investigation of Toxic Cyanobacteria in North Thailand
Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science
Nagasaki University
2009 - 2011

Study on the formation and maintenance mechanisms governing micro-structure of low dissolved oxygen water areas in a lake
Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Grant-in-Aid for Scientific Research (A)
Lake Biwa Environmental Research Institute
2008 - 2010

Changes in ecosystem structure associated with the restoration of lake water and analysis of their mechanisms
Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Grant-in-Aid for Scientific Research (A)
Shinshu University
2005 - 2008

Freshwater Biodiversity in the countries surrounding the Japan Sea.
Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Grant-in-Aid for Scientific Research (B)
Shinshu University
1999 - 2001

湖沼におけるアオコ発生にかかわるリスク評価についての国際共同研究
科学研究費助成事業, 日本学術振興会, 基盤研究(C)
滋賀県琵琶湖研究所
1999 - 1999

Research on Development of Biomanipulation as a Tool for Improvement of Lake Water Quality
Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Grant-in-Aid for Scientific Research (B).
Shinshu University
1998 - 2000

STUDIES ON EUTROPHICATION AND CONSERVATION OF INLAND WATERS
Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Grant-in-Aid for international Scientific Research
FACULTY OF SCIENCES,SHINSHU UNIVERSITY
1995 - 1997

藍藻に含まれているアオコ毒素（生理活性物質）の動態と有毒・有害物質の生態系影響