Under review / in preparation

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• Sakiyama, T., & Garcia Molinos, J. Incorporating topographic microclimates expands the predicted distribution of the northern pika. in prep.

• Sakiyama, T., & Garcia Molinos, J. Habitat resurvey reveals an upslope range contraction of the northern pika in Hokkaido, Japan. in prep.

• Phylogenetic position of the northern pika Ochotona hyperborea in Hokkaido, Japan based on mitochondrial COI sequences

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Peer reviewed

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6. Sakiyama, T., & Garcia Molinos, J. Northern pikas experience reduced occupancy due to surrounding humanland use despite the occurrence of suitable microclimates. Journal of Biogeography. accpted.

5. Sakiyama, T., & Garcia Molinos, J. (2023) Efficacy of aural detection methods for detecting Northern Pika (Ochotona hyperborea) occupancy in rocky and densely vegetated habitats. Journal of Mammalogy, 104: 1124-1132. https://doi.org/10.1093/jmammal/gyad066

4. Shimozuru, M., Jimbo, M., Adachi, K., Kawamura, K., Shirane, Y., Umemura, Y., Ishinazaka, T., Nakanishi, M., Kiyonari, M., Yamanaka, M., Amagai, Y., Ijuin, A., Sakiyama, T., Kasai, S., Nose, T., Shirayanagi, M., Tsuruga, H., Mano, T., Tsubota, T., Fukasawa, K., & Uno, H. (2022). Estimation of breeding population size using DNA-based pedigree reconstruction in brown bears. Ecology and Evolution, 12: e9246. https://onlinelibrary.wiley.com/doi/10.1002/ece3.9246

3. Sakiyama, T., Morimoto, J., Matsubayashi, J., Furukawa, Y., Kondo, M., Tsuruga, H., Mano, T., & Nakamura, F. (2021). Factors influencing lifespan dependency on agricultural crops by brown bears. Landscape and Ecological Engineering, 17: 351-362.   https://doi.org/10.1007/s11355-021-00446-x

2. Sakiyama, T., Morimoto, J., Watanabe, O., Watanabe, N., & Nakamura, F. (2021). Occurrence of favorable local habitat conditions in an atypical landscape: Evidence of Japanese pika microrefugia. Global Ecology and Conservation, 27: e01509.   https://doi.org/10.1016/j.gecco.2021.e01509

1. Nakao, R., Shinjo, K., Sakiyama, T., Ogata, S., Kusakisako, K., Kinoshita, G., Naguib, D., Chatanga, E., Mohamed, W. M. A., Moustafa, M. A. M., Matsuno, K., Ito, T., Nonaka, N., Sashika, M., Tsubota, T., & Shimozuru, M. (2021). Amblyomma testudinarium infestation on a brown bear (Ursus arctos yesoensis) captured in Hokkaido, a northern island of Japan. Parasitology International, 80: 102209.   https://doi.org/10.1016/j.parint.2020.102209



​Japanese publications (Peer reviewed)

1.   Yoshida, E., Sakiyama, T., & Katahira, H. (2023). Littering situation in Japanese pika habitats of Daisetsuzan National Park in Hokkaido, Japan. Wildlife and Human Society, 11: 43-48. https://doi.org/10.20798/awhswhs.11.0_43 (Peer-reviewed)

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​Japanese publications (Non-peer reviewed)

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1. Ohdachi, S., Sakiyama, T., & Hirata, Y. (2022). Trial production of an improved trap for capturing the Japanese pika and a cage for observing shrews in the soil. Technical Report of the Institute of Low Temperature Science, Hokkaido University. 28: 7-8.

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2.   Miura, K., Sakiyama, T., Ukumura, M., & Yamada, T. (2021). The record of freshwater pearl mussel Margaritifera togakushiensis from the river in Shiretoko Peninsula. Bulletin of the Shiretoko Museum, 43: 1-4.



International conference

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5. Sakiyama, T., & Garcia Molinos, J. Predicting the distribution and potential range shifts of northern pikas incorporating microclimates. International Biogeography Society 11th Biennial Conference. Prague, Czech. January 6th, 2024. (Poster)

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4.   Sakiyama, T., & Garcia Molinos, J. Human land-use, not cool microclimate, determines occupancy of northern pikas at range margins. 13th International Mammalogical Congress. Anchorage, USA . July 15th, 2023. (Poster)

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3. Fukasawa, K., Umemura, Y., Jimbo, M., Kiyonari, M., Sakiyama, T., Amagai, Y., Ishinazaka, T., Nakanishi, M., Yamanaka, M., Uno, H., & Shimozuru, M. Capture-recapture-recovery models for evaluating mortality, population density and animal space use in a heterogeneous landscape. 13th International Mammalogical Congress. Anchorage, USA . July 18th, 2023. (Oral)

2.   Sakiyama, T., & Garcia Molinos, J. Are direct observation and playback effective in surveying Japanese pika populations in dense vegetation? 101st Annual Meeting of the American Society of Mammalogists. Tucson, USA (Online). June 18th, 2022. (Poster)

1.   Sakiyama, T., Morimoto, J., Watanabe, O., Watanabe, N., & Nakamura, F. Seeking microrefugia of Japanese pika: Combination of broad-scale species distribution modeling and local-scale habitat measurements. International Boreal Forest Research Association Conference 2018. Laxenburg, Austria. Setpemtber 19th, 2018. (Poster)

 

Japanese conference
(listing first author presentations only)

6.   Sakiyama, T., & Garcia Molinos, J. Range shift of northern pikas: comparison between habitat resurvey results and species distribution model predictions. The 71th Annual Meeting of the Ecological Society of Japan. Yokohama, Japan (Hybrid). March 16th, 2024. (Oral presentation)

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5.   Sakiyama, T., & Garcia Molinos, J. Investigating the relationship between species distribution and microclimate in a rock-dwelling lagomorph, the northern pika. The 70th Annual Meeting of the Ecological Society of Japan. Sendai, Japan (Online). March 17th, 2023. (English oral presentation) Best English Presentation Award

4.   Sakiyama, T., & Garcia Molinos, J. Impacts of broad-scale factors on persistence of northern pikas: assessment based on habitat resurveys. The 2022 Hokkaido Branch Meeting of the Ecological Society of Japan. Online. December 10th, 2022. (Oral presentation)

3.   Sakiyama, T., & Garcia Molinos, J. Evaluation of direct observation and playback method for surveying occupancy and abundance of Japanese pika. The 69th Annual Meeting of the Ecological Society of Japan. Fukuoka, Japan (Online). March 15th, 2022. (Poster presentation)

2.   Sakiyama, T., & Garcia Molinos, J. Vulnerability assessment of Japanese pikas to climate change. The 68th Annual Meeting of the Ecological Society of Japan. Okayama, Japan (Online). March 19th, 2021. (Poster presentation)

1.   Sakiyama, T., Morimoto, J., Matsubayashi, J., Furukawa, Y., Kondo, M., Tsuruga, H., Mano, T., & Nakamura, F. Investigating the factors affecting use of agricultural crops by brown bears (Ursus arctos) with focus on the habitat environment and individual information. The 63th Annual Meeting of the Ecological Society of Japan. Sendai, Japan. March 22nd, 2016. (Poster presentation) Poster Award

 

Research fundings
2022.4-2024.3     Japan Society for the Promotion of Science Doctoral Course Research Fellowships (DC2) 
2021-2022           The Zoshinkai Fund for Protection of Endangered Animals, Japan
2021-2022           The Inui Memorial Trust for Research on Animal Science, Japan
2021                    The Collaborative Research Program of Wildlife Research Center, Kyoto University

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Other fundings

2021-2022           The Asahi Glass Foundation Scholarship
2017.8-2018.5     Tobitate! (Leap for Tomorrow) Study Abroad Initiative


Also presented at

​(in Japanese)

• The 6th Daisetsuzan National Park Research Seminar. March 22th, 2024. Online.

• Moutain Research in Hokkaido. March 2nd, 2024. Sapporo, Japan (Hybrid). 

• Hokkaido University Low Temperature Institute. July 7th, 2023. Sapporo, Japan.

• The 5th Daisetsuzan National Park Research Seminar. March 20th, 2023. Online.

• The 4th Daisetsuzan National Park Research Seminar. March 16th, 2022. Online.

• Brown bear workshop. March 9th, 2019. Shintoku, Japan.

Outreach

​(in Japanese)

• International School. March 13th, 2024.

• AIR G' FM Hokkaido (Radio station)  November 12th, 2023.

• Tokachi Shikaoi Geopark. Shikaoi, Japan.

  • Pikas and global warming. February 19th, 2023​

  • Ecology of Japanese pikas. October 16th, 2022

  • Ecology of Japanese pikas. September 26th, 2021

• Higashitaisetsu Nature Center. Kamishihoro, Japan.

  • Ecology of Japanese pikas. September 15th, 2019

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