90. Kimpara R, Kakuta F, Koda H, Matsuda I, Hanya G (in press) Analysis of individual identification and age-class classification of wild female macaque vocalizations without pitch- and formant-based acoustic parameter measurements. Primates
89. Chong EQE, Nakabayashi M, Matsukawa A, Hanya G, Tee TL, Sarkawi NN, Wong ST, Bernard H (in press) Mammal diversity in Tabin Wildlife Reserve, Sabah, Malaysia: insights from camera trap surveys including impacts of African Swine Fever. Mammal Study
87. Langgeng A, Lee W, Hanya G, Okamoto M, MacIntosh AJJ (2026) Of hot springs and holobionts: Linking hot spring bathing behavior, parasitism, and gut microbiome in Japanese macaques. Primates DOI: 10.1007/s10329-025-01234-z
86. 半谷吾郎、片岡直子、Kim Jaock、金原蓮太朗、角田史也、南川未来、仲渡千宙、来栖可奈、宮田晃江、杉浦秀樹 (2026) 屋久島・西部林道のニホンザルの密度とその50年にわたる変動. 霊長類研究 41(2): 79-86. DOI: 10.2354/psj.41.022
85. Lee W, He T, Kurihara Y, Shiroishi I, Ushida K, Tsuchida S, Hanya G (2025) Seasonal adaptation of the gut microbiome in Japanese macaques: linking gut microbiome shifts with fermentative function. Ecology and Evolution 15: e72076. DOI: 10.1002/ece3.72076
84. Lee Wanyi、半谷吾郎 (2025) 霊長類の腸内細菌叢を形成する生態学的・社会的要因. 霊長類研究 41(1): 17-29. DOI: 10.2354/psj.41.005
83. Nakabayashi M, Kanamori T, Matsukawa A, Tangah J, Tuuga A, Malim PT, Bernard H, Ahmad AH, Matsuda I, Hanya G (2025) Behavioral response of Bornean ungulates, including bearded pigs and sambar deer, to anthropogenic disturbance in Sabah, Malaysia. Global Ecology and Conservation 59: e03580. DOI: 10.1016/j.gecco.2025.e03580
82. 大坂桃子、山越言、平木雅、半谷吾郎 (2025) 屋久島におけるニホンザル農作物被害問題の所在一住民の被害認識に注目して一. 霊長類研究 41(1): 3-16. DOI: 10.2354/psj.41.002
80. Jose L, Lee W, Hanya G, Tuuga A, Goossens B, Tangah J, Matsuda I, Kumar V (2024) Gut microbial community in proboscis monkeys (Nasalis larvatus): implications for effects of geographical and social factors. Royal Society Open Science 11: 231756. DOI: 10.1098/rsos.231756
78. 渡邉彩音、北村俊平、半谷吾郎、中川弥智子 (2024) 屋久島と種子島におけるヤマモモ種子の二次散布者. 保全生態学研究 29: 15-24. DOI: 10.18960/hozen.2316
77. Lee W, Hayakawa T, Kiyono M, Yamabata N, Enari H, Enari HS, Fujita S, Kawazoe T, Asai T, Oi T, Kondo T, Uno T, Seki K, Shimada M, Tsuji Y, Langgeng A, MacIntosh A, Suzuki K, Yamada K, Onishi K, Ueno M, Kubo K, Hanya G (2023) Diet-related factors strongly shaped the gut microbiota of Japanese macaques. American Journal of Primatology 85: e23555. DOI: 10.1002/ajp.23555
74. He T, Lee W, Hanya G (2023) In vitro digestion and fermentation of Japanese macaque (Macaca fuscata) food: The influence of food type and particle size. American Journal of Primatology 85: e23470. DOI: 10.1002/ajp.23470
73. Sawada A, Hayakawa T*, Kurihara Y, Lee W, Hanya G* (2022) Seasonal responses and host uniqueness of gut microbiome of Japanese macaques in lowland Yakushima. Animal Microbiome 4: 54. DOI: 10.1186/s42523-022-00205-9 (*Corresponding author)
72. Nakabayashi M, Kanamori T, Matsukawa A, Tangah J, Tuuga A, Malim PT, Bernard H, Ahmad AH, Matsuda I, Hanya G (2021) Temporal activity patterns suggesting niche partitioning of sympatric carnivores in Borneo, Malaysia. Scientific Reports 11: 19819. DOI: 10.1038/s41598-021-99341-6
70. He T, Lee W, Hanya G (2021) Effects of diet and age-sex class on fecal particle size of wild Japanese macaques (Macaca fuscata yakui). American Journal of Primatology 83: e23245. DOI: 10.1002/ajp.23245
69. Lee W, Hayakawa T, Kurihara Y, Hanzawa M, Sawada A, Kaneko A, Morimitsu Y, Natsume T, Aisu S, Ito T, Honda T, Hanya G (2021) Stomach and colonic microbiome of wild Japanese macaques. American Journal of Primatology 83: e23242. DOI: 10.1002/ajp.23242
68. Ito T, Hayakawa T, Suzuki-Hashido N, Hamada Y, Kurihara Y, Hanya G, Kaneko A, Natsume T, Aisu S, Honda T, Yachimori S, Anezaki T, Omi T, Hayama S, Tanaka M, Wakamori H, Imai H, Kawamoto Y (2021) Phylogeographic history of Japanese macaques. Journal of Biogeography 48: 1420-1431. DOI: 10.1111/jbi.14087
67. Otani Y, Bernard H, Wong A, Tangah J, Tuuga A, Hanya G, Matsuda I (2020) Factors influencing riverine utilization patterns in two sympatric macaques. Scientific Reports 10: 15749. DOI: 10.1038/s41598-020-72606-2
66. 半谷吾郎、好廣眞一、YANG Danhe、WONG Christopher Chai Thiam、岡桃子、楊木萌、佐藤侑太郎、大坪卓、櫻井貴之、川田美風、F. FAHRI、SIWAN Elangkumaran Sagtia、HAVERCAMP Kristin、余田修助、GU Ningxin、LOKHANDWALA Seema Sheesh、中野勝光、瀧雄渡、七五三木環、本郷峻、澤田晶子、本田剛章、栗原洋介 (2020) 道路上の糞を探す踏査で明らかになった屋久島のニホンザルの全島分布(2017‐2018年). 霊長類研究 36: 23-31. DOI: 10.2354/psj.36.014
62. Kurihara Y, Kinoshita K, Shiroishi I, Hanya G (2020) Seasonal variation in energy balance of wild Japanese macaques (Macaca fuscata yakui) in a warm-temperate forest: a preliminary assessment in the coastal forest of Yakushima. Primates 61: 427-442. DOI: 10.1007/s10329-020-00797-3
61. Otani Y, Sawada A, Hanya G (2020) Spatial position-associated mating strategies employed by male Japanese macaques (Macaca fuscata yakui) in Yakushima. Primates 61: 415-426. DOI: 10.1007/s10329-020-00792-8
60. Lee W, Hayakawa T, Kiyono M, Yamabata M, Hanya G (2019) Gut microbiota composition of Japanese macaques associates with extent of human encroachment. American Journal of Primatology 81: e23072. DOI: 10.1002/ajp.23072
58. Kurihara Y, Hanya G (2018) Within-population variations in home range use and food patch use of Japanese macaques: A perspective of intergroup hostility. Folia Primatologica 89: 397-414. DOI: 10.1159/000493574
57. Sha JCM, Kurihara Y, Tsuji Y, Take M, He T, Kaneko A, Suda-Hashimoto N, Morimoto M, Natsume T, Zahariev A, Blanc S, Hanya G (2018) Seasonal variation of energy expenditure in Japanese macaques (Macaca fuscata). Journal of Thermal Biology 76: 139-146. DOI: 10.1016/j.jtherbio.2018.07.009
56. Hayakawa T, Sawada A, Tanabe AS, Fukuda S, Kishida T, Kurihara Y, Matsushima K, Liu J, Akomo-Okoue E, Gravena W, Kashima M, Suzuki M, Kadowaki K, Suzumura T, Inoue E, Sugiura H, Hanya G, Agata K. (2018) Improving the standards for gut microbiome analysis of fecal samples: Insights from the field biology of Japanese macaques on Yakushima Island. Primates 59: 423-436. DOI: 10.1007/s10329-018-0671-x
53. Thompson CL, Powell BL, Williams SH, Hanya G, Glander KE, Vinyard CJ (2017) Thyroid hormone fluctuations indicate a thermoregulatory function in both a tropical (Alouatta palliata) and seasonally cold-habitat (Macaca fuscata) primate. American Journal of Primatology 79: e22714. DOI: 10.1002/ajp.22714.
52. Sha JCM, Kaneko A, Suda-Hashimoto N, He T, Take M, Zhang P, Hanya G (2017) Estimating activity of Japanese macaques (Macaca fuscata) using accelerometers. American Journal of Primatology e22694. DOI: 10.1002/ajp.22694.
51. Kurihara Y, Hanya G (2017) Comparison of energy balance between two different-sized groups of Japanese macaques (Macaca fuscata yakui). Primates 58: 413-422. DOI: 10.1007/s10329-017-0607-x
50. 宮田晃江、好廣眞一、高畑由起夫、萬田正治、古市剛史、栗原洋介、早石周平、半谷吾郎* (2017). 屋久島のニホンザル生息状況の過去20年間の変化. 霊長類研究 33: 35-42. DOI: 10.2354/psj.33.001 (*責任著者)
49. Matsuda I, Clauss M, Tuuga A, Hanya G, Yumoto T, Bernard H, Hummel J (2017) Factors affecting leaf selection by foregut-fermenting proboscis monkeys: New insight from in vitro digestibility and toughness of leaves. Scientific Reports 7: 42774. DOI: 10.1038/srep42774
48. Bernard H, Bili R, Matsuda I, Hanya G, Wearn OR, Wong A, and Ahmad AH. (2016) Species richness and distribution of primates in disturbed and converted forest landscapes in northern Borneo. Tropical Conservation Science 9: 1-11. DOI: 10.1177/1940082916680104
47. Hamada A, Hanya G* (2016) Frugivore assemblage of Ficus superba in a warm-temperate forest in Yakushima, Japan. Ecological Research 31: 903-911. DOI: 10.1007/s11284-016-1398-z (*Corresponding author)
45. Ando H, Setsuko S, Horikoshi K, Suzuki H, Umehara S, Yamasaki M, Hanya G, Inoue-Murayama M, Isagi Y (2016) Seasonal and inter-island variation in the foraging strategy of the critically endangered Red-headed Wood Pigeon Columba janthina nitens in disturbed island habitats derived from high-throughput sequencing. Ibis 158: 291-304. DOI: 10.1111/ibi.12345
44. Ushida K, Tsuchida S, Ogura Y, Hayashi T, Sawada A, Hanya G (2016) Draft genome sequences of Sarcina ventriculi isolated from wild Japanese macaques in Yakushima island. Genome Announcements 4: e01694-15. DOI:10.1128/genomeA.01694-15
43. Kurihara Y, Hanya G (2015) Comparison of feeding behavior between two different-sized groups of Japanese macaques (Macaca fuscata yakui). American Journal of Primatology 77: 986-1000. DOI: 10.1002/ajp.22429
41. Ancrenaz M, Sollmann R, Meijaard E, Hearn AJ, Ross J, Samejima H, Loken B, Cheyne SM, Stark DJ, Gardner PC, Goossens B, Mohamed A, Bohm T, Matsuda I, Nakabayashi M, Lee SK, Bernard H, Brodie J, Wich S, Fredriksson G, Hanya G, Harrison ME, Kanamori T, Kretzschmar P, Macdonald DW, Riger P, Spehar S, Ambu LN, Wilting A (2014) Coming down from the trees: Is terrestrial activity in Bornean orangutans natural or disturbance driven? Scientific Reports 4: 4024. DOI: 10.1038/srep04024
39. Otani Y, Sawada A, Hanya G (2014) Short-term separation from groups by male Japanese macaques: costs and benefits in feeding behavior and social interaction. American Journal of Primatology 76: 374-384. DOI: 10.1002/ajp.22241
38. Sawada A, Sato H, Inoue E, Otani Y, Hanya G (2014) Mycophagy among Japanese macaques in Yakushima: fungal species diversity and behavioral patterns. Primates 55: 249-257. DOI: 10.1007/s10329-013-0396-9
37. Sato H, Ichino S, Hanya G (2014) Dietary modification by common brown lemurs (Eulemur fulvus) during seasonal drought conditions in western Madagascar. Primates 55: 219-230. DOI: 10.1007/s10329-013-0392-0
36. Matsuda I, Tuuga A, Bernard H, Sugau J, Hanya G (2013) Leaf selection by two Bornean colobine monkeys in relation to plant chemistry and abundance. Scientific Reports 3: 1873. DOI: 10.1038/srep01873
35. Sha JCM, Hanya G (2013) Temporal food resource correlates to the behavior and ecology of food-enhanced long-tailed macaques (Macaca fascicularis). Mammal Study 38: 163-175. DOI: 10.3106/041.038.0305
34. Tsuji Y, Hanya G, Grueter CC (2013) Feeding strategies of primates in temperate and alpine forests: a comparison of Asian macaques and colobines. Primates 54: 201-215. DOI: 10.1007/s10329-013-0359-1
33. Otani Y, Yoshihiro S, Takahata Y, Zamma K, Nagai M. Kanie M, Hayaishi S, Fujino M, Sugaya K, Sudo M, Amanai S, Kaneda M, Tachikawa Y, Fukunaga Y, Okahisa Y, Higashi K, Hanya G (2013) Density of Japanese macaque(Macaca fuscata yakui) males ranging alone: seasonal and regional variation in male cohesiveness with the group. Mammal Study 38: 105-115. DOI: 10.3106/041.038.0206
32. Sha JCM, Hanya G (2013) Diet, activity, habitat use and ranging of two neighboring groups of food-enhanced long-tailed macaques (Macaca fascicularis). American Journal of Primatology75: 581-592. DOI: 10.1002/ajp.22137
31. Hanya G, Tsuji Y, Grueter CC (2013) Fruiting and flushing phenology in Asian tropical and temperate forests: implications for primate ecology. Primates 54: 101-110. DOI: 10.1007/s10329-012-0341-3 (Primates Most-Cited Paper Award 2015)
28. Sawada A, Clauss M, Sakaguchi E, Hanya G (2012) A pilot study on the ontogeny of digestive physiology in Japanese macaques (Macaca fuscata). Mammalian Biology 77: 455-458. DOI: 10.1016/j.mambio.2012.06.002
25. Hanya G, Ménard N, Qarro M, Ibn Tattou M, Fuse M, Vallet D, Yamada A, Go M, Takafumi H, Tsujino R, Agetsuma N, Wada K (2011) Dietary adaptations of temperate primates: comparisons of Japanese and Barbary macaques. Primates.52: 187-198. DOI: 10.1007/s10329-011-0239-5 (Primates Most-Cited Paper Award 2014)
24. Sawada A, Sakaguchi E, Hanya G (2011) Digesta passage time, digestibility, and total gut fill in captive Japanese macaques (Macaca fuscata): effects of food type and food intake level. International Journal of Primatology32: 390-405. DOI: 10.1007/s10764-010-9476-5
19. 半谷吾郎(2009) 霊長類の個体群動態: 長期調査に基づく個体数変動. 霊長類研究 24: 221-228.
15. Aiba S, Hanya G, Tsujino R, Takyu M, Seino T, Kimura K, Kitayama K (2007) Comparative study of additive basal area of conifers in forest ecosystems along elevational gradients. Ecological Research 22: 439-450. DOI: 10.1007/s11284-007-0338-3
3. Yoshihiro S, Ohtake M, Matsubara H, Zamma K, Hanya G, Tanimura Y, Kubota H, Kubo R, Arakane T, Hirata T, Furukawa M, Sato A, Takahata Y (1999) Vertical distribution of wild Yakushima macaques (Macaca fuscata yakui) in the western area of Yakushima Island, Japan: preliminary report. Primates 40: 409-415.
2. 好廣眞一、大竹勝、座馬耕一郎、半谷吾郎、松原始、谷村寧昭、久保律子、松嶋可奈、早川祥子、小島孝敏、平野晃史、高畑由起夫 (1998) 屋久島東部ヤクスギ林帯におけるヤクシマザルの分布と糞分析による食性の調査. 霊長類研究14: 189-199.
1. 半谷吾郎、山田浩之、荒金辰浩 (1997) 観光客による餌付けと農作物への依存が比叡山の野生ニホンザルの個体群動態に与える影響. 霊長類研究13: 187-202.
9. 半谷吾郎 (2023) 「1-7アジア霊長類の野外研究史」「8-2 食性」「8-3 食物選択」「8-16 霊長類の種間関係」. 日本霊長類学会編「霊長類学の百科事典」丸善出版、東京(分担執筆).
8. 半谷吾郎、松原始 (2018) サルと屋久島: ヤクザル調査隊とフィールドワーク. 旅するミシン店、東京
7. Hanya G (2013) Japanese macaques: habitat-driven divergence in social dynamics. In: Primates and Cetaceans: Field Research and Conservation of Complex Mammalian Societies. Yamagiwa J, Karczmarski L (eds.), Springer, Tokyo, pp. 99-114.
6. 半谷吾郎 (2012) 霊長類とほかの生物の関係-種子散布に着目して. 京都大学霊長類研究所編「新・霊長類学のすすめ」第五章 pp54-66. 丸善出版、東京(分担執筆).
5. Hanya G (2010) Ecological adaptations of temperate primates: population density of Japanese macaques. In: The Japanese Macaques. (Nakagawa N, Nakamichi M and Sugiura H eds), pp79-97. Springer, Tokyo.
4. 半谷吾郎 (2009) 「17. 霊長類は熱帯に多い動物なのに、雪が降る寒い地方でどうして冬を越せるの?」「21. サルは一日に何回食事をしますか?」「22. 食べられるものと毒のあるものを、どうやって見分けるのでしょうか?」「29. サルは森の中で迷いませんか?」「40. ヒト以外の霊長類が絶滅すると、人間にとって困ることはあるでしょうか?」「41. 霊長類を守るために、一般の人に何ができるでしょう?」. 京都大学霊長類研究所編著「新しい霊長類学 人を深く知るための100問100答」講談社ブルーバックス、講談社、東京 (分担執筆).
3. 半谷吾郎 (2007) 温帯の霊長類の生態学的適応. 京都大学霊長類研究所編「霊長類進化の科学」pp103-114. 京都大学学術出版会、京都 (分担執筆).
2. 半谷吾郎 (2002) 分布南限の島. 大井徹、増井憲一編著「ニホンザルの自然誌」第十三章 pp229-250. 東海大学出版会、東京 (分担執筆).
1. 半谷吾郎、座馬耕一郎、好廣眞一 (2000) サルの分布を決めるもの. 高畑由起夫、山極寿一編著「ニホンザルの自然社会 エコミュージアムとしての屋久島」第一章 pp11-32. 京都大学学術出版会、京都 (分担執筆).
2. 半谷吾郎(2011) 第5章 霊長類の多様性と生態. 第6章 霊長類の配偶システム. ロバート・ボイド、ジョーン・B・シルク著、松本晶子、小田亮監訳「ヒトはどのように進化してきたか」 pp189-232/pp233-274. ミネルヴァ書房、京都 (分担訳).
1. 半谷吾郎(2005) 第7章 オーストラリアへの移住. ヨラン・ブレンフルト編集代表、片山一道編訳「人類のあけぼの(下)」 pp134-157. 朝倉書店、東京 (分担訳).
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13. 勝野吏子、半谷吾郎、江成広斗、川添達朗、栗原洋介、豊田有、本郷峻、松本卓也(2026)霊長類学会会員を対象とした野外調査の安全に関するアンケート実施報告 霊長類研究 41(2): 123-133.
12. 半谷吾郎、勝野吏子、川添達朗、豊田有、松本卓也、本郷峻、栗原洋介、江成広斗、鋤納有実子 (2024) 第40回日本霊長類学会大会自由集会「霊長類の野外調査時の安全管理」の報告 霊長類研究 40: 85-96.
11. 半谷吾郎 (2024) 神秘の森の住人の「Wild Life」: 豊かな森が育む、サルとシカの幸せな関係 婦人画報 1452: 44-45.
10. 半谷吾郎 (2020) 屋久島に生きるニホンザル 岳人 873.
9. Hanya G, Grueter CC, Tsuji Y (2013) Preface to the special contribution "Out of the tropics:ecology of temperate primates". Primates 54: 99-100.
8. 半谷吾郎 (2009) 霊長類と森林の関係: サルが絶滅すると森林も崩壊する? 環動昆 20: 75-78.
7. 半谷吾郎 (2006) マレーシアサバ州・ダナムバレー森林保護区での霊長類の予備調査 霊長類研究 22: 147-149.
6. 半谷吾郎 (2006) モロッコ・中アトラス地域でのバーバリマカクの保全をめぐる問題と調査許可の取得 霊長類研究 22: 43-49.
5. 早石周平、半谷吾郎 (2005) バーバリマカクの自然生息地と移植コロニー見聞録 霊長類研究 21: 65-73.
4. 半谷吾郎 (2003) 屋久島に追う野生ニホンザルの社会 エコソフィア 12: 20-26.
3. 半谷吾郎 (2003) レッドリストの生き物たち4 「ヤクシマザル」 林業技術733: 38-39.
2. 半谷吾郎 (2001) 屋久島自然系その5 屋久島のニホンザルの分布. 季刊生命の島55: 68-71.
1. 半谷吾郎 (2000) そして誰もいなくなった-屋久島・半山地区でのニホンザルの大量死. モンキー287・288: 18-22.