Masatoshi Matsumasa

Migration route of individuals of newly established Macrophthalmus japonicus (Brachyura: Macrophthalmidae) population at Otomo-ura, Iwate, northeastern Japan (accepted)

Genki KOBAYASHI, Masatoshi MATSUMASA, Hirokazu ABE, Takao SUZUKI

Japanese Journal of Benthology, 2024 Peer-reviewed

45

Occurrences of semi-terrestrial crabs along the Pacific coast of Iwate Prefecture, northeastern Japan

Masatoshi MATSUMASA, Kotaro KAN, Hirokazu ABE

Annual Report of Iwate Medical University, Center for Liberal Arts and Sciences, (58) 41-45, Dec, 2023 Lead authorCorresponding author

21

Benthic fauna of an artificial brackish lagoon, Furukawa-numa, that has been rebuilt after the 2011 Great East Japan Earthquake and the associated tsunamis

Masatoshi MATSUMASA, Hideyuki OIKAWA, Koichi NAKAMURA, Masamune FUJIMOTO, Kenji HIRASHIMA

Annual Report of Iwate Medical University, Center for Liberal Arts and Sciences, (58) 35-40, Dec, 2023 Lead authorCorresponding author

18

Colonization of a ghost crab, Ocypode stimpsoni（ Brachyra: Ocypodidae） in an artificial sand beach, Takata-Matsubara Kaigan, that has been rebuilt after the 2011 Great East Japan Earthquake and the associated tsunamis

Masatoshi MATSUMASA, Hirokazu ABE

Annual Report of Iwate Medical University, Center for Liberal Arts and Sciences, (58) 27-33, Dec, 2023 Lead authorCorresponding author

New record of Eucyclops roseus Ishida, 1997 (Copepoda: Cyclopoida: Cyplooidae) from Takamatsunoike Pond, Iwate Prefecture, Japan, with discussion of its infraspecific genetic and morphological variation.

Kotaro Kan, Ayu Sasaki, Emi Itoh, Masatoshi Matsumasa

Annual Report of Iwate Medical University, Center for Liberal Arts and Sciences, (58) 15-26, Dec, 2023

Plans, practice and problems of an online biological examination for medical, dental, pharmaceutical students

Masatoshi Matsumasa, Kiyoshi Saigusa, Yukie Naitoh, Kotaro Kan

Annual Report of Iwate Medical University, Center for Liberal Arts and Sciences, (56) 25-34, Dec, 2022 Lead authorCorresponding author

First record of Macrophthalmus japonicus (De Haan, 1835) (Brachyura: Macrophthalmidae) population from the Pacific coast of Iwate Prefecture, northern Japan

Masatoshi MATSUMASA, Hirokazu ABE, Genki KOBAYASHI, Takao SUZUKI

Japanese Journal of Benthology, 77 54-59, Dec, 2022 Peer-reviewedLead authorCorresponding author

Characterization and spatiotemporal changes in the macrozoobenthic community structures at tidalflats along the Pacific coast of eastern Japan after the 2011 tsunamis using a large-scale survey data set

Gen KANAYA, Takao SUZUKI, Masanori TARU, Masatoshi MATSUMASA, Misuzu AOKI, Takashi INOUE

Japanese Journal of Benthology, 77 40-53, Dec, 2022 Peer-reviewed

Northernmost record of Nipponnemertes ogumai (Nemertea: Monostilifera) in Otomo-ura, Iwate Prefecture, Japan

Hirokazu Abe, Kotaro Kan, Masatoshi Matsumasa, Takao Suzuki, Hiroshi Kajihara

6 21-27, Mar, 2022

Attraction waves of male fiddler crabs: A visual display designed for efficacy.

Minoru Murai, Yasuhisa Henmi, Masatoshi Matsumasa, Patricia R, Y. Backwell, Fumio Takeshita

Journal of Experimental Marine Biology and Eology, 546, Jan, 2022 Peer-reviewed

Plans, practice and problems of first-year online education for preventing the spread of COVID-19 infection

55(55) 17-26, Dec, 2020 Lead authorCorresponding author

Educational projects and actions in the Center for Liberal Arts and Sciences, Iwate Medical University and future perspectives

55(55) 27-37, Dec, 2020 Lead authorCorresponding author

Analysis of first-year study data for early detection of underachieving students

55(55) 39-42, Dec, 2020

Efforts to support first-year students in biology education

55(55) 43-48, Dec, 2020

A survey report on intertidal macrobenthos species in Tsugaruishi River estuarine tidal flat, Miyako Bay in 2019 and 2020 and long-term changes in the macrobenthic community

55(55) 49-64, Dec, 2020

A survey report on intertidal macrobenthic species in Tsugaruishi river estuary, Miyako Bay in 2018(A supplemental survey of the Ecosystems Monitoring Survey of the Pacific Coastal Areas of the Tohoku Region)

Hirokazu Abe, Masatoshi Matsumasa, Kyoko Kinoshita, Takao Suzuki, Gen Kanaya

Michinoku Benthos, 4(4) 12-21, Mar, 2020

A survey report on intertidal macrobenthic species in Otomo-ura, Hirota Bay in 2018(A supplemental survey of the Ecosystems Monitoring Survey of the Pacific Coastal Areas of the Tohoku Region)

Hirokazu Abe, Masatoshi Matsumasa, Kyoko Kinoshita, Takao Suzuki, Gen Kanaya

Michinoku Benthos, 4(4) 22-31, Mar, 2020

Effects of Tsunamis Caused by the Great East Japan Earthquake and Restoration Works on the Coastal Ecosystems

MATSUMASA Masatoshi

Kaiyo Monthly, 51, Aug, 2019 Lead authorCorresponding author

Multimodal signaling in fiddler crab: waving to attract mates is condition dependent but other sexual signals are not

Fumio Takeshita, Minoru Murai, Masatoshi Matsumasa, Yasuhisa Henmi

Behavioral Ecology and Sociobiology, 72: 140 (Published online)(9), Aug, 2018 Peer-reviewed

Distribution of the invasive snail Laguncula pulchella and the effect of its predation on the mollusk populations in the Orikasa River Estuary after the 2011 off the Pacific Coast of Tohoku Earthquake

KINOSHITA Kyoko, SASAKI Naoshi, SEKI Asuka, MATSUMASA Masatoshi, TAKEHARA Akihide

Japanese Journal of Benthology, 72(2) 61-70, 2018 Peer-reviewed

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