学術雑誌への論文掲載(査読あり)
[33] Y. Iwasa, S. Yamaguchi. On the role of eviction in group living sex changers. Behavioral Ecology and Sociobiology, 73:38 (2022)
[32] Y. Iwasa, Y. Yusa, S. Yamaguchi. Evolutionary game of life-cycle types in marine benthic invertebrates: feeding larvae versus nonfeeding larvae versus direct development. Journal of Theoretical Biology, 537:111019 (2022)
[31] Y. Uchiyama, Y. Iwasa, S. Yamaguchi. Optimal composition of chloride cells for osmoregulation in a randomly fluctuating environment. Journal of Theoretical Biology, 537:111016 (2022)
[30] Y. Iwasa, S. Yamaguchi. Evolution of male nuptial gift and female remating: A quantitative genetic model. Journal of Theoretical Biology, 533:110939 (2022)
[29] S. Yamaguchi, Y. Yusa, Y. Iwasa. Evolution of life cycle dimorphism: an example of sacoglossan sea slugs. Journal of Theoretical Biology, 525:110760 (2021)
[28] S. Yamaguchi, Y. Iwasa. Evolutionary game in an androdioecious population: coupling of outcrossing and male production. Journal of Theoretical Biology, 513:110594 (2021)
[27] R. Kobayashi, S. Yamaguchi, Y. Iwasa. Optimal control of root nodulation -- prediction of life history theory of a mutualistic system. Journal of Theoretical Biology, 510:110544 (2021)
[26] M. Tanaka, S.Yamaguchi, Y. Iwasa. Enhanced risk of cancer in companion animals as a response to the longevity. Scientific Reports, 10:19508 (2020)
[25] T. Sekiya, S. Yamaguchi, Y. Iwasa. Bovine mastitis and optimal disease management: dynamic programming analysis. Journal of Theoretical Biology, 498:110292 (2020)
[24] S. Yamaguchi, Y. Iwasa. Seasonality in the production of male larvae: a game model for parasitic barnacles (Cirripedia: Rhizocephala). Journal of Crustacean Biology, 40:833–838 (2020)
[23] Y. Iwasa, S. Yamaguchi. Task allocation in a cooperative society: specialized castes or age-dependent switching among ant workers. Scientific Reports, 10:3339 (2020)
[22] S. Yamaguchi, Y. Iwasa. Temperature-dependent sex determination, realized by hormonal dynamics with enzymatic reactions sensitive to ambient temperature. Journal of Theoretical Biology, 453:146-155 (2018)
[21] S. Yamaguchi, Y. Iwasa. Why is bidirectional sex change rare? Journal of Theoretical Biology, 453:136-145 (2018)
[20] K. Sawada, S. Yamaguchi, Y. Iwasa, Be a good loser: a theoretical model for subordinate decision-making on bi-directional sex change in haremic fishes. Journal of Theoretical Biology,421:127-135 (2017)
[19] S. Yamaguchi, Y. Iwasa. Advantage for the sex changer who retains the gonad of the non-functional sex. Behavioral Ecology and Sociobiology, 71:39 (2017)
[18] S. Yamaguchi. Time required for sex change in teleost fishes: hormonal dynamics shaped by selection. Journal of Theoretical Biology, 407:339-348 (2016)
[17] K. Sawada, R. Yoshida, K. Yasuda, S. Yamaguchi, Y. Yusa. Dwarf males in an epizoic barnacle Octolasmis unguisiformis and their implication for sexual system evolution. Invertebrate Biology, 134:162-167 (2015)
[16] S. Yamaguchi, Y. Iwasa. Phenotype adjustment promotes adaptive evolution in a game without conflict. Theoretical Population Biology, 102:16-25 (2015)
[15] S. Yamaguchi, J. T. Hoeg, Y. Iwasa. Evolution of sex determination and sexually dimorphic larval sizes in parasitic barnacles. Journal of Theoretical Biology, 347:7-16 (2014)
[14] S. Yamaguchi, T. Higashiji, K. Sawada, S. Yamato. The rediscovery of a rare pedunculate cirripede Paralepas maculata (Cirripedia: Heteralepadidae) on a sea urchin Prionocidaris sp. in Okinawa, southern Japan. Marine Biodiversity Records, 7:1-5 (2014)
[13]S. Yamaguchi, S. Yoshida, A. Kaneko, K. Sawada, K. Yasuda, Y. Yusa. Sexual system of a symbiotic pedunculate barnacle Poecilasma kaempferi (Cirripedia: Thoracica). Marine Biology Research, 10:635-640 (2014)
[12]S. Yamaguchi, K. Sawada, Y.Yusa. Y. Iwasa. Dwarf males and hermaphrodites can coexist in marine sedentary species if the opportunity to become a dwarf male is limited. Journal of Theoretical Biology, 334:101-108 (2013)
[11] Y. Yusa, M. Takemura, K. Sawada, and S. Yamaguchi. Diverse, continuous, and plastic sexual systems in barnacles. Integrative and Comparative Biology, 53:701-712 (2013)
[10] S. Yamaguchi, K. Sawada, Y. Yusa, and Y. Iwasa. Dwarf males, large hermaphrodites, and females in marine species: a dynamic optimization model of sex allocation and growth. Theoretical Population Biology, 85:49-57 (2013)
[9] S. Yamaguchi, Y. Yusa, K. Sawada and S. Takahashi. Sexual systems and dwarf males in barnacles: integrating life history and sex allocation theories, Journal of Theoretical Biology, 320: 1-9 (2013)
[8] S. Yamaguchi, S. Seki, K. Sawada and S. Takahashi. Small and poor females change sex: a theoretical and empirical study on protogynous sex change in a triggerfish under varying resource abundance, Journal of Theoretical Biology, 317: 186-191 (2013)
[7] S. Yamaguchi, EL. Charnov, K. Sawada and Y. Yusa. Sexual systems and life history of barnacles: a theoretical perspective, Integrative and Comparative Biology, 52: 356-365 (2012)
[6] S. Yamaguchi, K. Sawada, Y. Nakashima and S. Takahashi. Sperm as a paternal investment: a model of sex allocation in sperm-digesting hermaphrodites, Theoretical Ecology 5: 99-103 (2012).
[5] T. Uezu, S. Yamaguchi, M. Yoshida and M. Tomiyasu. Online learning of perceptron from noisy data: a case in which both student and teacher suffer from external noise. Journal of the Physical Society of Japan. 79(9): 094003 (2010).
[4] S. Urano, S. Yamaguchi, S. Yamato, S. Takahashi and Y. Yusa. Evolution of dwarf males and a variety of sexual modes in barnacles: an ESS approach, Evolutionary Ecology Research. 11: 913-929 (2009).
[3] S. Yamaguchi, Y. Yusa, S. Yamato, S. Urano, S. Takahashi. Mating group size and evolutionarily stable pattern of sexuality in barnacles. Journal of Theoretical Biology. 253: 61-73 (2008)
[2] S. Yamaguchi, Y. Ozaki, Y. Yusa, S. Takahashi. Do tiny males grow up? Sperm competition and optimal resource allocation schedule of dwarf males of barnacles. Journal of Theoretical Biology. 245: 319-328 (2007)
[1] T. Uezu, Y. Maeda, S. Yamaguchi. On-line Learning of Perceptron from Noisy Data by One and Two Teachers. Journal of the Physical Society of Japan. 75(11): 114007 (2006).
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under review, これから投稿のもの
いまは準備中。
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著書
[1] 山口幸、海の生き物はなぜ多様な性を示すのか―数学で解き明かす謎、共立出版、2015年
Book chapter
[2] Kota Sawada and Sachi Yamaguchi. (2020) An evolutionary ecological approach to sex allocation and sex determination in crustaceans. In Cothran R, Thiel M (eds) "The Natural History of the Crustacea: Reproductive Biology: Volume VI." Oxford University Press, pp. 177-196.
[1] Sachi Yamaguchi. (2019) Life history constraints facilitate the evolution of androdioecy and male dwarfing. In Leonard JL (ed) "Transitions between sexual systems: understanding the mechanisms of, and pathways between, dioecy, hermaphroditism and other sexual systems." Springer, pp. 247-267.
講究録等への掲載(査読無し)
[4] 山口幸、巌佐庸
魚類の性転換と性ホルモン動態
月刊「細胞」2019年 2月号 北隆館/ニュー・サイエンス社
pp 28-32, 2019年
[3] 山口幸
動物の生態 性比
動物学の百科事典(日本動物学会 編)丸善出版
2018年
[2] 山口幸、金子篤史、東地拓生、澤田紘太、遊佐陽一、安田恵子、大和茂之
水族館の飼育生物を利用したフジツボ類の研究
日本動物園水族館教育研究会誌 2013年号
pp 67-69, 2013年
[1] 山口幸、尾崎有紀、遊佐陽一、高橋智
小さい雄は成長するか? —フジツボ類における雄の生活史戦略の数理モデル—
数理解析研究所講究録
1499 巻, pp 82-86, 2006年