Iijima Hayato 飯島勇人

Researcher Number	30526702
Other IDs	https://orcid.org/0000-0003-1064-9420
Affiliation (Current)	2025: 国立研究開発法人森林研究・整備機構, 森林総合研究所, 主任研究員等
Affiliation (based on the past Project Information) *help	2018 – 2024: 国立研究開発法人森林研究・整備機構, 森林総合研究所, 主任研究員等 2017: 国立研究開発法人森林研究・整備機構, その他部局等, 主任研究員等 2014 – 2016: 山梨県森林総合研究所, その他部局等, 研究員
Review Section/Research Field	Principal Investigator Medium-sized Section 64:Environmental conservation measure and related fields / Basic Section 40010:Forest science-related / Forest science Except Principal Investigator Basic Section 64040:Social-ecological systems-related / Basic Section 40010:Forest science-related / Medium-sized Section 64:Environmental conservation measure and related fields / Forest science
Keywords	Principal Investigator ニホンジカ / メタゲノム解析 / 種分布モデル / 自動撮影カメラ / 機械学習 / iDNA / Coalescent / RAD-seq / 歴史 / 植物 … More / 植生 / 有効集団サイズ / 捕獲数 / ライトセンサス / 区画法 / 糞塊法 / SPUE / 階層ベイズモデル / 状態空間モデル / 被度 / 下層植生 / 最大積雪深 / 剥皮 / 植生指標 / 階層モデル / シカ密度 … More Except Principal Investigator 密度推定 / ニホンジカ / 個体数推定 / 野生動物管理 / 空間明示型捕獲再捕獲法 / 個体判別 / 自動撮影カメラ / 野生動物 / 個体識別 / 密度・個体数推定 / 機械学習 / タイムラプス撮影 / カメラトラップ / 感染プロセス / 分布予測 / 分布拡大モデル / 動物由来感染症 / マダニ / シカ / 里山 / 生態系管理 / マダニ媒介感染症 / 野生動物由来感染症 / 林学 / 生態学 / 環境 / 気候変動 / 分布移動 / ブナ / 人工林 / カラマツ / 亜高山帯針葉樹林 / 更新 / 剥皮 Less

Combining time-lapse photography and machine learning will provide a low-cost and accurate estimate of the density of Sika deer.
- Principal Investigator
  
  林耕太
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 40010:Forest science-related
- Research Institution
  Yamanashi Forest Research Institute
人獣共通感染症のリスク低減のための陸棲哺乳類の種網羅的な分布推定法の確立Principal Investigator
- Principal Investigator
  
  飯島勇人
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Grant-in-Aid for Challenging Research (Exploratory)
- Review Section
  
  Medium-sized Section 64:Environmental conservation measure and related fields
- Research Institution
  Forest Research and Management Organization
ニホンジカによる植生への現在の影響は深刻なのか？過去数千年の個体群動態からの検証Principal Investigator
- Principal Investigator
  
  飯島勇人
- Project Period (FY)
  2021 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 40010:Forest science-related
- Research Institution
  Forest Research and Management Organization
Establishment of a method for monitoring wildlife populations: Collaboration of camera trapping, deep learning, and statistical modeling
- Principal Investigator
  
  中島啓裕
- Project Period (FY)
  2021 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 64040:Social-ecological systems-related
- Research Institution
  Nihon University
Prediction of the expansion of infectious diseases originated from wildlife based on animal relay models
- Principal Investigator
  
  Okabe Kimiko
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 64:Environmental conservation measure and related fields
- Research Institution
  Forest Research and Management Organization
Effects of deer and planted forests on native tree distribution shift under climate change
- Principal Investigator
  
  Nagaike Takuo
- Project Period (FY)
  2016 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Forest science
- Research Institution
  Yamanashi Forest Research Institute
Clarification of determinant factors for the impact of deer on vegetation in JapanPrincipal Investigator
- Principal Investigator
  
  Iijima Hayato
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Forest science
- Research Institution
  Yamanashi Forest Research Institute

All 2023 2022 2021 2020 2019 2017 2016 2015 2014 Other

All Journal Article Presentation Book

[Book] 日本のシカ2017
- Author(s)
  梶光一, 飯島勇人
- Publisher
  東京大学出版会
- Data Source
  KAKENHI-PROJECT-26450221
[Book] 南アルプス高山帯でのシカの影響とその管理（日本のシカ）2017
- Author(s)
  長池卓男（梶　光一、飯島　勇人編）
- Publisher
  東京大学出版会
- ISBN
  9784130602341
- Data Source
  KAKENHI-PROJECT-16K07801
[Journal Article] Prediction of the visit and occupy of the sika deer (Cervus nippon) during the summer season using a virtual ecological approach2023
- Author(s)
  Osawa Takeshi、Tsutsumida Narumasa、Iijima Hayato、Okabe Kimiko
- Journal Title
  
  Scientific Reports
  
  Volume: 13 Issue: 1 Pages: 4007-4007
- DOI
  10.1038/s41598-023-31269-5
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20H00652
[Journal Article] Mounting pair of invasive <i>Muntiacus reevesi</i> taken by a camera trap in Boso Peninsula, Chiba Prefecture, Japan2023
- Author(s)
  森嶋佳織、亘悠哉、飯島勇人
- Journal Title
  
  Honyurui Kagaku (Mammalian Science)
  
  Volume: 63 Issue: 1 Pages: 2-2
- DOI
  10.11238/mammalianscience.63.2
- ISSN
  0385-437X, 1881-526X
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20H00652
[Journal Article] Current sika deer effective population size is near to reaching its historically highest level in the Japanese archipelago by release from hunting rather than climate change and top predator extinction2023
- Author(s)
  Iijima Hayato、Nagata Junco、Izuno Ayako、Uchiyama Kentaro、Akashi Nobuhiro、Fujiki Daisuke、Kuriyama Takeo
- Journal Title
  
  The Holocene
  
  Volume: 33 Issue: 6 Pages: 718-727
- DOI
  10.1177/09596836231157063
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K21220
[Journal Article] Importance of Host Abundance and Microhabitat in Tick Abundance2022
- Author(s)
  Iijima Hayato、Watari Yuya、Furukawa Takuya、Okabe Kimiko
- Journal Title
  
  Journal of Medical Entomology
  
  Volume: 59 Issue: 6 Pages: 2110-2119
- DOI
  10.1093/jme/tjac140
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20H00652
[Journal Article] Challenges of integrated management in tick-borne zoonosis control2022
- Author(s)
  岡部貴美子・五箇公一・飯島勇人・亘　悠哉・山内健生
- Journal Title
  
  Journal of the Acarological Society of Japan
  
  Volume: 31 Issue: 2 Pages: 49-65
- DOI
  10.2300/acari.31.49
- ISSN
  0918-1067, 1880-2273
- Year and Date
  2022-11-25
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K05612, KAKENHI-PROJECT-20H00652
[Journal Article] Japanese zoonoses and related wildlife research at the cutting edge2020
- Author(s)
  岡部貴美子、亘悠哉、飯島勇人、古川拓哉
- Journal Title
  
  Medical Entomology and Zoology
  
  Volume: 71 Issue: 3 Pages: 157-160
- DOI
  10.7601/mez.71.157
- NAID
  130007919513
- ISSN
  0424-7086, 2185-5609
- Year and Date
  2020-09-25
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17H00807, KAKENHI-PROJECT-20H00652
[Journal Article] 甲武信ヶ岳周辺の亜高山帯針葉樹林におけるニホンジカの剥皮の影響2019
- Author(s)
  長池卓男・飯島勇人・荒川史子
- Journal Title
  
  山梨県森林総合研究所研究報告
  
  Volume: 38 Pages: 1-4
- NAID
  40021886272
- Data Source
  KAKENHI-PROJECT-16K07801
[Journal Article] 特定鳥獣管理計画に基づく各都道府県のニホンジカ個体群管理2017
- Author(s)
  飯島勇人
- Journal Title
  
  保全生態学研究
  
  Volume: 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26450221
[Journal Article] The effects of landscape components, wildlife behavior, and hunting methods on hunter effort and hunting efficiency of sika deer2017
- Author(s)
  Iijima, H
- Journal Title
  
  Wildlife Biology
  
  Volume: - Issue: 1 Pages: 1-6
- DOI
  10.2981/wlb.00329
- Peer Reviewed / Acknowledgement Compliant / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26450221
[Journal Article] Spatial heterogeneity in the carrying capacity of sika deer in Japan2016
- Author(s)
  Iijima H, Ueno M
- Journal Title
  
  Journal of Mammalogy
  
  Volume: （未定） Issue: 3 Pages: 734-743
- DOI
  10.1093/jmammal/gyw001
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-26450221
[Journal Article] Appropriate vegetation indices for measuring the impacts of deer on forest ecosystems2015
- Author(s)
  Iijima, H., Nagaike, T.
- Journal Title
  
  Ecological Indicators
  
  Volume: 48 Pages: 457-463
- DOI
  10.1016/j.ecolind.2014.09.009
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26450221
[Presentation] 千葉県の野生動物の分布がマダニの種組成に与える影響2023
- Author(s)
  森嶋佳織、飯島勇人、亘悠哉、岡部貴美子
- Organizer
  第70回日本生態学会大会
- Data Source
  KAKENHI-PROJECT-20H00652
[Presentation] Estimation of historical demography of sika deer in Japanese archipelago2023
- Author(s)
  Iijima H, Nagata J, Izuno A, Uchiyama K, Akashi N, Fujiki D, Kuriyama T
- Organizer
  13th International Mammalogical Congress
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K21220
[Presentation] 自動撮影カメラ映像のオープンデータベースの構築に向けて2022
- Author(s)
  中島啓裕，飯島勇人，深澤圭太，安藤正規，相澤宏旭
- Organizer
  日本哺乳類学会2022年度大会
- Data Source
  KAKENHI-PROJECT-23K21775
[Presentation] Tick richness may be correlated with abundance of a specific host2022
- Author(s)
  K. OKABE, H. IIJIMA, T. FURUKAWA, Y. WATARI, K. MORISHIMA
- Organizer
  International Congress of Acarology
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00652
[Presentation] マダニが好む動物は？文献調査からみた種ごとの宿主嗜好性2022
- Author(s)
  森嶋佳織、小峰浩隆、岡部貴美子、亘悠哉、飯島勇人
- Organizer
  第69回日本生態学会
- Data Source
  KAKENHI-PROJECT-20H00652
[Presentation] いつ、どこに、どんなマダニが多いのか？季節、景観、野生動物との関係2022
- Author(s)
  小峰浩隆、岡部貴美子、亘悠哉、飯島勇人
- Organizer
  第69回日本生態学会
- Data Source
  KAKENHI-PROJECT-20H00652
[Presentation] SFTS流行地域における、媒介マダニ-宿主動物-土地利用の関係2021
- Author(s)
  小峰浩隆、亘悠哉、飯島勇人、岡部貴美子
- Organizer
  日本生態学会
- Data Source
  KAKENHI-PROJECT-20H00652
[Presentation] ダニ媒介性感染症に関する日本産マダニ類の分布および遺伝的多様性2021
- Author(s)
  坂本佳子, 五箇公一, 亘悠哉, 飯島勇人, 岡部貴美子
- Organizer
  日本応用動物昆虫学会
- Data Source
  KAKENHI-PROJECT-20H00652
[Presentation] マダニが好む動物は？文献調査からみた種ごとの宿主嗜好性2021
- Author(s)
  森嶋佳織、小峰浩隆、岡部貴美子、亘悠哉、飯島勇人
- Organizer
  第69回日本生態学会
- Data Source
  KAKENHI-PROJECT-20H00652
[Presentation] 人、野生動物と微環境が決めるマダニの数2021
- Author(s)
  飯島勇人
- Organizer
  日本哺乳類学会2021大会自由集会
- Data Source
  KAKENHI-PROJECT-20H00652
[Presentation] 茨城県内の栃木県・福島県境における哺乳類の出没状況2021
- Author(s)
  飯島勇人、小峰浩隆、亘悠哉、岡部貴美子
- Organizer
  とちぎ野生動物研究交流会
- Data Source
  KAKENHI-PROJECT-20H00652
[Presentation] SFTSをモデルとしたマダニ媒介感染症対策における生態学的アプローチ2021
- Author(s)
  岡部貴美子、亘悠哉、飯島勇人、小峰浩隆、五箇公一、坂本佳子、前田健
- Organizer
  ダニと疾患のインターフェイスに関するセミナー
- Data Source
  KAKENHI-PROJECT-20H00652
[Presentation] どこにどんなマダニが多いのか？環境と野生動物との関係2021
- Author(s)
  小峰浩隆、岡部貴美子、亘悠哉、飯島勇人
- Organizer
  ダニと疾患のインターフェイスに関するセミナー
- Data Source
  KAKENHI-PROJECT-20H00652
[Presentation] 個体数推定法の歴史とベイズモデルの実装例2016
- Author(s)
  飯島勇人
- Organizer
  日本哺乳類学会2016年度大会
- Place of Presentation
  筑波大学
- Data Source
  KAKENHI-PROJECT-26450221
[Presentation] Upward distribution of subalpine conifer trees in dwarf Betula ermanii forests was inhibited by deer debarking2016
- Author(s)
  Takuo Nagaike, Hayato Iijima
- Organizer
  IUFRO Regional Congress for Asia and Oceania 2016
- Place of Presentation
  China National Convention Center, Beijing, China
- Year and Date
  2016-10-24
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K07801
[Presentation] 植栽広葉樹へのニホンジカの摂食強度に影響する要因2016
- Author(s)
  飯島勇人, 長池卓男
- Organizer
  第127回日本森林学会大会
- Place of Presentation
  日本大学（神奈川県藤沢市）
- Year and Date
  2016-03-28
- Data Source
  KAKENHI-PROJECT-26450221
[Presentation] シカ管理目標の設定状況と課題2016
- Author(s)
  飯島勇人
- Organizer
  日本哺乳類学会2016年度大会
- Place of Presentation
  筑波大学
- Data Source
  KAKENHI-PROJECT-26450221
[Presentation] Effect of sika deer and dwarf bamboo on Trillium populations in natural forests, Japan.2015
- Author(s)
  Inatomi, Y., Uno, H., Ueno, M., and Iijima, H.
- Organizer
  Vth International Wildlife Management Congress
- Place of Presentation
  札幌コンベンションセンター（北海道札幌市）
- Year and Date
  2015-07-27
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26450221
[Presentation] ニホンジカの捕獲効率に影響を与える要因2015
- Author(s)
  飯島勇人
- Organizer
  第62回日本生態学会大会
- Place of Presentation
  鹿児島大学
- Year and Date
  2015-03-21
- Data Source
  KAKENHI-PROJECT-26450221
[Presentation] 捕獲圧はニホンジカによる天然林の植生への影響を低減するか？2015
- Author(s)
  飯島勇人
- Organizer
  第126回日本森林学会大会
- Place of Presentation
  北海道大学
- Year and Date
  2015-03-28
- Data Source
  KAKENHI-PROJECT-26450221
[Presentation] 狩猟報告の目撃数データによるエゾシカ密度推定の試行2015
- Author(s)
  上野真由美, 濱原和広, 宇野裕之, 稲富佳洋, 飯島勇人, 深澤圭太
- Organizer
  第62回日本生態学会大会
- Place of Presentation
  鹿児島大学
- Year and Date
  2015-03-21
- Data Source
  KAKENHI-PROJECT-26450221
[Presentation] Effects of sika deer (Cervus nippon) on alpine zone and countermeasures in Minami-Alps National Park, central Japan.2015
- Author(s)
  Nagaike, T., Iijima, H.
- Organizer
  Vth International Wildlife Management Congress
- Place of Presentation
  札幌コンベンションセンター（北海道札幌市）
- Year and Date
  2015-07-27
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26450221
[Presentation] The importance of utilization of multiple data sources for estimating deer population dynamics.2015
- Author(s)
  Iijima, H.
- Organizer
  Vth International Wildlife Management Congress
- Place of Presentation
  札幌コンベンションセンター（北海道札幌市）
- Year and Date
  2015-07-28
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26450221
[Presentation] シカ個体数管理におけるFOSS4Gの活用2014
- Author(s)
  飯島勇人
- Organizer
  日本哺乳類学会大会2014年度大会
- Place of Presentation
  京都大学
- Year and Date
  2014-09-05
- Data Source
  KAKENHI-PROJECT-26450221
[Presentation] ニホンジカによる植生への影響を広く粗く評価する2014
- Author(s)
  飯島勇人
- Organizer
  日本哺乳類学会大会2014年度大会
- Place of Presentation
  京都大学
- Year and Date
  2014-09-04
- Data Source
  KAKENHI-PROJECT-26450221
[Presentation] Debarking of trees by deer are affected by deer density, tree size, species palatability, and maximum snow depth
- Author(s)
  Iijima, H.
- Organizer
  IUFRO world congress 2014
- Place of Presentation
  Salt Palace, Salt Lake City, USA
- Year and Date
  2014-10-07 – 2014-10-10
- Data Source
  KAKENHI-PROJECT-26450221

1. 安藤正規 (80526880)

# of Collaborated Projects: 4 results

# of Collaborated Products: 1 results
2. Nagaike Takuo (50359254)

# of Collaborated Projects: 3 results

# of Collaborated Products: 3 results
3. Okabe Kimiko (20353625)

# of Collaborated Projects: 1 results

# of Collaborated Products: 12 results
4. 上野真由美 (00543753)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
5. 江口則和 (10730004)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 大地純平 (00536279)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 亘悠哉 (10760704)

# of Collaborated Projects: 1 results

# of Collaborated Products: 11 results
8. 大澤剛士 (40554332)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
9. 坂本佳子 (80714196)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
10. 前田健 (90284273)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
11. 五箇公一 (90300847)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
12. 林耕太 (50902144)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. 永田純子 (10391179)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
14. 藤木大介 (30435896)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
15. 明石信廣 (40414239)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
16. 伊津野彩子 (80816249)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
17. 中島啓裕 (80722420)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
18. 上野将敬 (30737432)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. 相澤宏旭 (30910301)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
20. 東出大志 (60634871)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. 寺田和憲 (30345798)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. 加藤邦人 (70283281)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
23. 福井大 (60706670)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
24. 土井寛大 (80968173)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
25. 鶴田燃海 (90809740)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
26. ASADA MASAHIKO

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Iijima Hayato 飯島 勇人

Research Projects

Research Products

Co-Researchers

Combining time-lapse photography and machine learning will provide a low-cost and accurate estimate of the density of Sika deer.

Principal Investigator

Project Period (FY)

Research Category

Review Section

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人獣共通感染症のリスク低減のための陸棲哺乳類の種網羅的な分布推定法の確立Principal Investigator

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ニホンジカによる植生への現在の影響は深刻なのか？過去数千年の個体群動態からの検証Principal Investigator

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Establishment of a method for monitoring wildlife populations: Collaboration of camera trapping, deep learning, and statistical modeling

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Prediction of the expansion of infectious diseases originated from wildlife based on animal relay models

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Effects of deer and planted forests on native tree distribution shift under climate change

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Clarification of determinant factors for the impact of deer on vegetation in JapanPrincipal Investigator

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[Book] 日本のシカ2017

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[Book] 南アルプス高山帯でのシカの影響とその管理（日本のシカ）2017

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[Journal Article] Prediction of the visit and occupy of the sika deer (Cervus nippon) during the summer season using a virtual ecological approach2023

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[Journal Article] Mounting pair of invasive <i>Muntiacus reevesi</i> taken by a camera trap in Boso Peninsula, Chiba Prefecture, Japan2023

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[Journal Article] Current sika deer effective population size is near to reaching its historically highest level in the Japanese archipelago by release from hunting rather than climate change and top predator extinction2023

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[Journal Article] Importance of Host Abundance and Microhabitat in Tick Abundance2022

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[Journal Article] Challenges of integrated management in tick-borne zoonosis control2022

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Iijima Hayato 飯島勇人

[Presentation] マダニが好む動物は？文献調査からみた種ごとの宿主嗜好性2022