小池　伸介

Professional Career

経歴

2003/04-2005/03 : 財団法人 日本生態系協会
2007/04/01-2008/04/30 : 日本学術振興会特別研究員
2008/05/01-現在 : 東京農工大学大学院

Academic Degrees

学位

2003年　修士（農学）東京農工大学
2008年　博士（農学）東京農工大学

Research Interests

キーワード

植物-動物間相互作用、生物多様性科学、森林生態系、ツキノワグマ

Publications

論文

• Yasuda K, Kato D Naoe S, Amano T, Yoshikawa T, Tochigi K, Koike S (2025) Does forest loss and fragmentation reduce woodpecker-associated ecosystem functions? Global Ecology and Conservation 57: e03366.

• Inagaki A, Sugimoto Y, Allen ML, Koike S (2024) Documentation of an Asiatic black bear preying on a living sika deer caught in a leg-hold snare trap. Ursus 35e24: 1-7.

• Yasuda K, Taniwaki T, Amano T, Koike S, Responses of a bird community to sporadic outbreaks of woody herbivorous insects in a temperate beech forest in Japan, Forest Ecology and Management https://doi.org/10.1016/j.foreco.2024. 560, 121824 (2024)

• Dawson BM, Evans MJ, Barton PS, Soga M, Tochigi K, Koike S Drastic changes in ground-dwelling beetle communities following high-intensity deer culling: Insights from an island ecosystem. Environmental Entomology, https://doi.org/10.1093/ee/nvae013 (2024)

• Baek S, Shimazaki A, Zedrosser A, Naganuma T, Kozakai C, Yamazaki K, Koike S, (2023) Response to human-modified landscape of an apex consumer: Sex- and season-related variations in road selection and movement pattern. Global Ecology and Conservation 46: e02603. 10.1016/j.gecco.2023.e02603

• Tochigi K, Steyaert S, Fukasawa K, Kuroe M, Anezaki T, Naganuma T, Kozakai C, Inagaki A, Yamazaki K, Koike S, Demographic Parameters of Asian Black Bears in central Japan. Mammal Study, 48 (4), 2023, 10.3106/ms2022-0034

• Tanaka M, Baek S, Naganuma T, Inagaki A, Dewi B S, Koke S Conditions affecting ant nesting in stumps in a temperate coniferous planted forest. Forest Ecology and Management, 2023, 537, 120976

• Takayama K, Ohnishi N, Zedrosser A, Anezaki T, Tochigi K, Inagaki A, Naganuma T, Yamazaki K, Koike S, Timing and distance of natal dispersal in Asian black bears. Journal of Mammalogy, DOI10.1093/jmammal/gyac118

• Osugi S, Baek S, Naganuma T, Tochigi K, Allen M, Koike S (2022) The effect of decreasing human activity from COVID-19 on the foraging of fallen-fruit by omnivores. Ecology and Evolution. 12: e9657.

• Tochigi K, Steyaert S, Naganuma T, Yamazaki K, Koike S. Differentiation and seasonality in suitable microsites of seed dispersal by an assemblage of omnivorous mammals, Global Ecology and Conservation 40: e02335, 2022

• Tezuka S, Tanaka M, Naganuma T, Tochigi K, Inagaki A, Myojo H, Yamazaki K, Allen M, Koike S.Comparing information derived on food habits of a terrestrial carnivore between animal-borne video systems and fecal analyses methods, Journal of Mammalogy, DOI10.1093/jmammal/gyac101

• Allen M, Krofel M, Yamazaki K, Alexander EP, Koike S. Cannibalism in bears. Ursus, 33: e10, 2022

• Osugi S, Trenti EB, Koike S (2022) Effects of human activity on the fallen-fruit foraging behavior of Carnivoran in an urban forest. Mammal Study, 47:113-123, 2022

• Hiruma, M., Tochigi K.,Kishimoto R., Kuroe, M., Trentin, FB., Koike, S. Long-term stability in the winter diet of the Japanese serow (Artiodactyla, Caprinae). Zookeys 1122: 39–51, 2022

• Inagaki A, Allen M, Maruyama T, Yamazaki K, Tochigi K, Naganuma T, Koike S, Carcass detection and consumption by facultative scavengers in forest ecosystem highlights the value of their ecosystem services, Scientific Reports 12, 1, 16451, DOI10.1038/s41598-022-20465-4, 2022

• Oki K, Soga M, Amano T, Koike S Abandonment of ski-pistes impoverishes butterfly communities. Biodiversity and Conservation 31: 2083–2096, 2022

• Naganuma T, Nakashita R, Tochigi K, Zedrosser A, Kozakai C, Yamazaki K, Koike S (2022) Functional dietary response of Asian black bears to changes in sika deer density. Journal of Wildlife Management 10.1002/jwmg.22218

• Ogawa Y, Naganuma T, Tochigi K, Dewi BS, Koike S. Marking behavior of Asiatic black bears at rub trees. URSUS, 32, E24, 2021

• Baek S, Iwasaki T, Yamazaki K, Naganuma T, Inagaki A, Tochigi K, Allen M, Koike S. Factors affecting pre-denning activity in Asian black bears. Mammal Study, 46(4), 341-346, doi: 10.3106/ms2020-0101

• Oki K, Soga M, Amano T, Koike S, Power line corridors in conifer plantations as important habitats for butterflies. Journal of Insect Conservation, 25, 5-6, 829-840, doi: 10.1007/s10841-021-00343-6, 2021

• Esther Sebastián-González, Zebensui Morales-Reyes, Francisco Botella, Lara Naves-Alegre, Juan M. Pérez-García, Patricia Mateo-Tomás, Pedro P. Olea, Marcos Moleón, Jomar Magalhães Barbosa, Fernando Hiraldo, Eneko Arrondo, José A. Donázar, Ainara Cortés-Avizanda, Nuria Selva, Sergio A. Lambertucci, Aishwarya Bhattacharjee, Alexis Brewer, José D. Anadón, Erin Abernethy, Olin E. Rhodes Jr, Kelsey Turner, James C. Beasley, Travis L. DeVault, Andrés Ordiz, Camilla Wikenros, Barbara Zimmermann, Petter Wabakken, Christopher C. Wilmers, Justine A. Smith, Corinne J. Kendall, Darcy Ogada, Evan R. Buechley, Ethan Frehner, Maximilian L. Allen, Heiko U. Wittmer , James R. A. Butler, Johan T. du Toit, John Read, David Wilson, Klemen Jerina, Miha Krofel, Rich Kostecke, Richard Inger, Esra Per, Yunus Ayhan, Mehmet Sancı, Niyazi Öztürk, Akino Inagaki, Shinsuke Koike, Arockianathan Samson, Paula L. Perrig, Emma Spencer, Thomas M. Newsome, Philip Barton, Antoni Margalida, Pilar Oliva-Vidal, Marco Heurich, José A. Sánchez-Zapata, Functional traits driving species role in the structure of scavenger network. Ecology, e03519, doi: 10.1002/ecy.3519

• Tomiyasu J, Kayano M, Hazano K, Matsui M, Naganuma T, Koike S, Yamazaki K Associations between plasma testosterone levels and season, nutritional status, age, and body size in free-ranging male Asian black bears (Ursus thibetanus) in central Honshu, Japan. General and Comparative Endocrinology 309: 113794, 2021

• Allen M, Wittmer H, Ingaki A, Yamazaki K, Koike S. Food caching by bears: a literature review and new observations for Asiatic and American black bears. Ursus 10.2192/URSUS-D-20-00008.1 https://bioone.org/journals/ursus/volume-2021/issue-32e10

• Naganuma T, Tanaka M, Teduka S, Steyaert S, Tochigi K, Inagaki A, Myojo H, Yamazaki K, Koike S. Animal-borne video systems provide insight into the reproductive behavior of the Asian black bear. Ecology and Evolution 11: 9182-9190, 2021

• Komine, H., Koike, S., Schwarzkopf, L. Impacts of artificial light on food intake in invasive toads. Scientific reports, 10: 6257. DOI: 10.1038/s41598-020-63503-9

• Ohsugi, S., Trentin, FB., Koike S. (2020) What determines the seedling viability of different tree species in raccoon dog latrines? Acta Oecologia 106: 103604. DOI: 10.1016/j.actao.2020.103604

• Ogawa Y, Tochigi K, Naganuma T, Dewi BS, Koike S. Tree rubbing by Asian black bears (Ursus thibetanus) in conifer plantations in Okutama Mountain in Japan. Animal Biology, 70.3., 351-358

• Yama H, Naganuma T, Tochigi K, Trentin EB, Nakashita R, Inagaki A, Koike S (2019) Increasing sika deer population density may change resource use by larval dung beetles. PloS One 14, e0226078. 2019　DOI:10.1371/JOURNAL.PONE.0226078

• Esther Sebastián-González, Zebensui Morales-Reyes, Francisco Botella, Lara Naves-Alegre, Juan M. Pérez-García, Patricia Mateo-Tomás, Pedro P. Olea, Marcos Moleón, Jomar Magalhães Barbosa, Fernando Hiraldo, Eneko Arrondo, José A. Donázar, Ainara Cortés-Avizanda, Nuria Selva, Sergio A. Lambertucci, Aishwarya Bhattacharjee, Alexis Brewer, José D. Anadón, Erin Abernethy, Olin E. Rhodes Jr, Kelsey Turner, James C. Beasley, Travis L. DeVault, Andrés Ordiz, Camilla Wikenros, Barbara Zimmermann, Petter Wabakken, Christopher C. Wilmers, Justine A. Smith, Corinne J. Kendall, Darcy Ogada, Evan R. Buechley, Ethan Frehner, Maximilian L. Allen, Heiko U. Wittmer , James R. A. Butler, Johan T. du Toit, John Read, David Wilson, Klemen Jerina, Miha Krofel, Rich Kostecke, Richard Inger, Esra Per, Yunus Ayhan, Mehmet Sancı, Niyazi Öztürk, Akino Inagaki, Shinsuke Koike, Arockianathan Samson, Paula L. Perrig, Emma Spencer, Thomas M. Newsome, Philip Barton, Antoni Margalida, Pilar Oliva-Vidal, Marco Heurich, José A. Sánchez-Zapata (2020) Network structure of vertebrate scavenger assemblages at the global scale: drivers and ecosystem functioning implications. Ecography 43: 1143-1155. DOI: 10.1111/ecog.05083

• Komine H, Trentin EB, Koike S. (2020) Relative abundance differences of two invasive toad species on Minami-daito and Kita-daito Islands Japan. Current Herpetology 39:38-46. DOI: 10.5358/hsj.39.38, 2020

• Inagaki A, Allen M, Maruyama T, Yamazaki K, Tochigi K, Naganuma T, Koike S (2020) Vertebrate scavenger guild composition and utilization of carrion in an East Asian temperate forest. Ecology and Evolution, DOI: 10.1002/ece3.5976

• Ohsugi S, Trentin EB, Koike S. Impact of wild boars on the feeding behaviors of smaller frugivorous mammals. Mammalian Biology.97.22-27

• Yama H, Evans M, Iida T, Soga M, Koike S. The morphological changes of moths on Nakajima Island, Hokkaido, Japan. Environmental Entomology 48.2.291-298

• Kobashikawa S, Trentin B, Koike S. The benefit of wrapping trees in biodegradable material netting to protect against bark stripping by bears extends to surrounding stands. Forest Ecology and Management 437:134-138. 2019

• Fuchs B, Yamazaki K, Evans A, Tsubota T, Koike S, Naganuma T, Arnemo J. Heart rate during hyperphagia differs between two bear species. Biology letters, 15: 20180681. 2019, doi.org/10.5061/dryad.6tt0h5s/3