Executive Group
| Position | Name | Organization | Assumption Date |
| Chair | Hideaki Shibata | Hokkaido University | 2017-04 |
| Vice Chair | Tsutom Hiura | The University of Tokyo | 2017-04 |
| Vice Chair | Hiroyuki Muraoka | Gifu University | 2017-04 |
| Chair of JaLTER-Information Management Committee | Nobuhito Ohte | Kyoto University | 2013-04 |
| Secretary-general | Taku M. Saitoh | Gifu University | 2019-05 |
| Vice secretary-general | Shin-ichiro S. Matsuzaki | National Institute for Environmental Studies | 2020-05 |
| Accounting Clerk | Tamao Kasahara | Kyushu University | 2018-05 |
| Chair of Scientific Committee | Kenta Tanaka | University of University | 2018-05 |
Representative Committee
| Position | Name | Organization | Research Site | Assumption Date |
| Chair | Tsutom Hiura | Hokkaido University | Tomakomai | 2006-12 |
| Committee | Tamao Kasahara | Kyushu University | Kasuya | 2011-12 |
| Committee | Nobuko Saigusa | National Institute for Environmental Studies | Fuji-Hokuroku | 2008-04 |
| Committee | Shin-ichiro S. Matsuzaki | National Institute for Environmental Studies | Kasumigaura | 2011-04 |
| Committee | Hiroshi Hara | Tokyo University of Agriculture and Technology | Tama | 2006-12 |
| Committee | Kenta Tanaka | University of Tsukuba | Sugadaira | 2009-04 |
| Committee | Tohru Nakashizuka | Tohoku University | Hakkoda | 2006-12 |
| Committee | Kosuke Homma | Niigata University | Sado | 2008-03 |
| Committee | Masakazu Hori | Fisheries Research Agency | Setonaikai-nishi | 2006-12 |
| Committee | Kazuhiko Hoshizaki | Akita Prefectural University | Kanumazawa | 2009-07 |
| Committee | Tomoki Oda | University of Tokyo | Fukuroyama | 2015-07 |
| Committee | Shigeo Iida | Forestry and Forest Products Research Institute | Kita-Tomakomai | 2006-12 |
| Committee | Toshihide Hirao | The University of Tokyo | Chichibu | 2012-03 |
| Committee | Shin’ichiro Ogura | Tohoku University | Kawatabi | 2013-03 |
| Committee | Katsuhisa Shimoda | National Institute of Livestock and Grassland Science | Fijinitayama, Hinanohara, Sanbe-san, Aso, Kouzu | 2014-04 |
| Committee | Hiroshi Kawai | Kobe University | Awajishima | 2006-12 |
| Committee | Yasuhiro Utsumi | Kyushu University | Ashoro | 2015-04 |
| Committee | Hidenobu Kunii | Shimane University | Shinji/Nakaumi | 2006-12 |
| Committee | Takashi Masaki | Forestry and Forest Products Research Institute | Ogawa | 2006-12 |
| Committee | Masahiro Nakaoka | Hokkaido University | Akkeshi | 2008-04 |
| Committee | Taku M. Saitoh | Gifu University | Takayama | 2020-09 |
| Committee | Masahiro Nakaoka | Hokkaido University | Choshi, Kominato | 2006-12 |
| Committee | Tatsuhiro Ohkubo | Utsunomiya University | Kanamekawa, Takaharayama | 2008-03 |
| Committee | Yoshiko Kosugi | Kyoto University | Kiryu | 2006-12 |
| Committee | Tomohiko Kawamura | The University of Tokyo | Otsuchi Bay | 2014-10 |
| Committee | Satoshi Saito | Forestry and Forest Products Research Institute | Aya | 2006-12 |
| Committee | Hitoshi Sakio | Niigata University | Ooyamazawa | 2006-12 |
| Committee | Masahiro Fujioka | University of Tsukuba | Nobeyama | 2015-04 |
| Committee | Takuya Hiroshima | The University of Tokyo | Akazu | 2016-04 |
| Committee | Toshiya Yoshida | Hokkaido University | Hokkaido-kita | 2012-03 |
| Committee | Akira Asakura | Kyoto University | Shirahama | 2015-07 |
| Committee | Masahiro Takagi | University of Miyazaki | Tano | 2006-12 |
| Committee | Atsushi Takashima | University of the Ryukyus | Yona | 2006-12 |
| Committee | Naoko Tokuchi | Kyoto University | Wakayama, Maizuru | 2006-12 |
| Committee | Yasushi Suzuki | Kochi University | Reihoku | 2016-04 |
| Committee | Etsuro Yamaha | Hokkaido University | Lake Toya | 2015-04 |
| Committee | Takuo Hishi | Kyushu University | Shiiba | 2015-01 |
| Committee | Tomohiro Yoshida | Tokyo University of Agriculture and Technology | Kusaki | 2014-02 |
| Committee | Yasuhisa Henmi | Kumamoto University | Nagaura | 2009-03 |
| Committee | Tomoko Yamamoto | Kagoshima University | Kagoshima Bay | 2009-03 |
| Committee | Katsunori Fujikura | Japan Agency for Marine-Earth Science and Technology | Sagami Bay | 2010-03 |
| Committee | Shin’ichi Nakano | Kyoto University | Lake Biwa, Kiso River | 2015-04 |
| Committee | Takashi Nakano | Yamanashi Institute of Environmental Science | Kenmarubi | 2010-09 |
| Committee | Kazuhiko Sakai | University of the Ryukyus | Sesoko | 2011-03 |
| Committee | Keisuke Ono | National Institute for Agro-Environmental Sciences | Mase | 2020-09 |
| Committee | Hajime Utsugi | Hokkaido Research Center, Forestry and Forest Products Research Institute | Hitsujigaoka | 2011-03 |
| Committee | Yuji Kominami | Kansai Research Center, Forestry and Forest Products Research Institute | Yamashiro | 2014-04 |
| Committee | Lopez C.M. Larry | Yamagata University | Kaminagawa | 2012-03 |
Steering Committee
| Position | Name | Organization | Research Site (core) | Assumption Date |
| Chair | Tsutom Hiura | Hokkaido University | Tomakomai | 2006-12 |
| Committee | Tamao Kasahara | Kyushu University | Kasuya | 2011-12 |
| Committee | Shin-ichiro Matsuzaki | National Institute for Environmental Studies | Kasumigaura | 2011-04 |
| Committee | Kenta Tanaka | University of Tsukuba | Sugadaira | 2009-04 |
| Committee | Kazuhiko Hoshizaki | Akita Prefectural University | Kanumazawa | 2009-07 |
| Committee | Toshihide Hirao | The University of Tokyo | Chichibu | 2012-03 |
| Committee | Hiroshi Kawai | Kobe University | Awajishima | 2006-12 |
| Committee | Hidenobu Kunii | Shimane University | Shinji/Nakaumi | 2006-12 |
| Committee | Takashi Masaki | Forestry and Forest Products Research Institute | Ogawa | 2006-12 |
| Committee | Taku M. Saitoh | Gifu University | Takayama | 2020-9 |
| Committee | Satoshi Saito | Forestry and Forest Products Research Institute | Aya | 2006-12 |
| Committee | Takuya Hiroshima | The University of Tokyo | Akazu | 2016-04 |
| Committee | Toshiya Yoshida | Hokkaido University | Hokkaido-kita | 2012-03 |
| Committee | Akira Asakura | Kyoto University | Shirahama | 2015-07 |
| Committee | Atsushi Takashima | University of the Ryukyus | Yona | 2006-12 |
| Committee | Naoko Tokuchi | Kyoto University | Wakayama | 2006-12 |
| Committee | Masakazu Hori | Fisheries Research Agency | Setonaikai-nishi | 2006-12 |
| Committee | Masahiro Nakaoka | Hokkaido University | Akkeshi | 2006-12 |
| Committee | Katsunori Fujikura | Japan Agency for Marine-Earth Science and Technology | Sagami Bay | 2010-03 |
| Committee | Kazuhiko Sakai | University of the Ryukyus | Sesoko | 2011-03 |
| Outer Committee | Tohru Nakashizuka | Tohoku University | 2006-12 | |
| Outer Committee | Kosuke Homma | Niigata University | 2006-12 | |
| Outer Committee | Katsuhisa Shimoda | National Institute of Livestock and Grassland Science | 2014-04 | |
| Outer Committee | Nobohito Ohte | Kyoto University | 2006-12 |
Information Management Committee
| Position | Name | Organization | Research Site (core) | Assumption Date |
| Committee | Nobuko Saigusa | National Institute for Environmental Studies | Kasumigaura | 2012-03 |
| Committee | Akio Fujiwara | The University of Tokyo | Chichibu | 2006-12 |
| Committee | Takeshi Hanyuda | Kobe University | Awajishima | 2006-12 |
| Committee | Kenta Tanaka | University of Tsukuba | Sugadaira | 2009-04 |
| Committee | Tesuya Kato | Kyoto University | Shirahama | 2006-12 |
| Committee | Koji Seto | Shimane University | Shinji/Nakaumi | 2006-12 |
| Committee | Kinya Ito | Hokkaido University | Hokkaido-kita | 2014-09 |
| Committee | Keiji Komiya | Hokkaido University | Tomakomai | 2008-04 |
| Committee | Hiroyuki Muraoka | Gifu University | Takayama | 2020-09 |
| Committee | Takashi Masaki | Forestry and Forest Products Research Institute | Ogawa | 2014-04 |
| Committee | Satoshi Saito | Forestry and Forest Products Research Institute | Aya | 2006-12 |
| Committee | Nobuaki Tanaka | The University of Tokyo | Akazu | 2016-04 |
| Committee | Atsushi Takashima | University of the Ryukyus | Yona | 2006-12 |
| Committee | Naoaki Tashiro | Kyushu University | Kasuya | 2006-12 |
| Committee | Naoko Tokuchi | Kyoto University | Wakayama | 2006-12 |
| Committee | Shoichi Hamano | Hokkaido University | Akkeshi | 2009-03 |
| Committee | Goro Yoshida | Fisheries Research Agency | Setonaikai-nishi | 2009-03 |
| Committee | Shinji Tsuchida | Japan Agency for Marine-earth Science and Technology | Sagami Bay | 2010-03 |
| Committee | Mahoko Noguchi | Forestry and Forest Products Research Institute | Kanumazawa | 2014-04 |
| Outer Committee | Yasushi Agata | Japan Agency for Marine-earth Science and Technology | 2006-12 | |
| Outer Committee | Hiromitsu Kamauchi | Hokkaido University | Akkeshi | 2006-12 |
| Outer Committee | Akiko N. Ogawa | University of Tokyo(doctoral course) | 2006-12 | |
| Outer Committee | Akira Mori | Yokohama National University | 2008-03 | |
| Outer Committee | Eri Mizumachi | Kyoto University | 2008-03 | |
| Outer Committee | Eiichi Maita | National Institute for Environmental Studies | 2009-10 | |
| Outer Committee | Masahiro Nakamura | Hokkaido University | 2010-03 |
Executive Group
| Position | Name | Organization | Assumption Date |
| Chair | Hideaki Shibata | Hokkaido University | 2017-04 |
| Vice Chair | Tsutom Hiura | The University of Tokyo | 2017-04 |
| Vice Chair | Hiroyuki Muraoka | Gifu University | 2017-04 |
| Chair of JaLTER-Information Management Committee | Nobuhito Ohte | Kyoto University | 2013-04 |
| Secretary-general | Taku M. Saitoh | Gifu University | 2019-05 |
| Vice secretary-general | Shin-ichiro S. Matsuzaki | National Institute for Environmental Studies | 2020-05 |
| Accounting Clerk | Tamao Kasahara | Kyushu University | 2018-05 |
| Chair of Scientific Committee | Kenta Tanaka | University of University | 2018-05 |
Representative Committee
| Position | Name | Organization | Research Site | Assumption Date |
| Chair | Tsutom Hiura | Hokkaido University | Tomakomai | 2006-12 |
| Committee | Tamao Kasahara | Kyushu University | Kasuya | 2011-12 |
| Committee | Nobuko Saigusa | National Institute for Environmental Studies | Fuji-Hokuroku | 2008-04 |
| Committee | Shin-ichiro S. Matsuzaki | National Institute for Environmental Studies | Kasumigaura | 2011-04 |
| Committee | Hiroshi Hara | Tokyo University of Agriculture and Technology | Tama | 2006-12 |
| Committee | Kenta Tanaka | University of Tsukuba | Sugadaira | 2009-04 |
| Committee | Tohru Nakashizuka | Tohoku University | Hakkoda | 2006-12 |
| Committee | Kosuke Homma | Niigata University | Sado | 2008-03 |
| Committee | Masakazu Hori | Fisheries Research Agency | Setonaikai-nishi | 2006-12 |
| Committee | Kazuhiko Hoshizaki | Akita Prefectural University | Kanumazawa | 2009-07 |
| Committee | Tomoki Oda | University of Tokyo | Fukuroyama | 2015-07 |
| Committee | Shigeo Iida | Forestry and Forest Products Research Institute | Kita-Tomakomai | 2006-12 |
| Committee | Toshihide Hirao | The University of Tokyo | Chichibu | 2012-03 |
| Committee | Shin’ichiro Ogura | Tohoku University | Kawatabi | 2013-03 |
| Committee | Katsuhisa Shimoda | National Institute of Livestock and Grassland Science | Fijinitayama, Hinanohara, Sanbe-san, Aso, Kouzu | 2014-04 |
| Committee | Hiroshi Kawai | Kobe University | Awajishima | 2006-12 |
| Committee | Yasuhiro Utsumi | Kyushu University | Ashoro | 2015-04 |
| Committee | Hidenobu Kunii | Shimane University | Shinji/Nakaumi | 2006-12 |
| Committee | Takashi Masaki | Forestry and Forest Products Research Institute | Ogawa | 2006-12 |
| Committee | Masahiro Nakaoka | Hokkaido University | Akkeshi | 2008-04 |
| Committee | Taku M. Saitoh | Gifu University | Takayama | 2020-09 |
| Committee | Masahiro Nakaoka | Hokkaido University | Choshi, Kominato | 2006-12 |
| Committee | Tatsuhiro Ohkubo | Utsunomiya University | Kanamekawa, Takaharayama | 2008-03 |
| Committee | Yoshiko Kosugi | Kyoto University | Kiryu | 2006-12 |
| Committee | Tomohiko Kawamura | The University of Tokyo | Otsuchi Bay | 2014-10 |
| Committee | Satoshi Saito | Forestry and Forest Products Research Institute | Aya | 2006-12 |
| Committee | Hitoshi Sakio | Niigata University | Ooyamazawa | 2006-12 |
| Committee | Masahiro Fujioka | University of Tsukuba | Nobeyama | 2015-04 |
| Committee | Takuya Hiroshima | The University of Tokyo | Akazu | 2016-04 |
| Committee | Toshiya Yoshida | Hokkaido University | Hokkaido-kita | 2012-03 |
| Committee | Akira Asakura | Kyoto University | Shirahama | 2015-07 |
| Committee | Masahiro Takagi | University of Miyazaki | Tano | 2006-12 |
| Committee | Atsushi Takashima | University of the Ryukyus | Yona | 2006-12 |
| Committee | Naoko Tokuchi | Kyoto University | Wakayama, Maizuru | 2006-12 |
| Committee | Yasushi Suzuki | Kochi University | Reihoku | 2016-04 |
| Committee | Etsuro Yamaha | Hokkaido University | Lake Toya | 2015-04 |
| Committee | Takuo Hishi | Kyushu University | Shiiba | 2015-01 |
| Committee | Tomohiro Yoshida | Tokyo University of Agriculture and Technology | Kusaki | 2014-02 |
| Committee | Yasuhisa Henmi | Kumamoto University | Nagaura | 2009-03 |
| Committee | Tomoko Yamamoto | Kagoshima University | Kagoshima Bay | 2009-03 |
| Committee | Katsunori Fujikura | Japan Agency for Marine-Earth Science and Technology | Sagami Bay | 2010-03 |
| Committee | Shin’ichi Nakano | Kyoto University | Lake Biwa, Kiso River | 2015-04 |
| Committee | Takashi Nakano | Yamanashi Institute of Environmental Science | Kenmarubi | 2010-09 |
| Committee | Kazuhiko Sakai | University of the Ryukyus | Sesoko | 2011-03 |
| Committee | Keisuke Ono | National Institute for Agro-Environmental Sciences | Mase | 2020-09 |
| Committee | Hajime Utsugi | Hokkaido Research Center, Forestry and Forest Products Research Institute | Hitsujigaoka | 2011-03 |
| Committee | Yuji Kominami | Kansai Research Center, Forestry and Forest Products Research Institute | Yamashiro | 2014-04 |
| Committee | Lopez C.M. Larry | Yamagata University | Kaminagawa | 2012-03 |
Steering Committee
| Position | Name | Organization | Research Site (core) | Assumption Date |
| Chair | Tsutom Hiura | Hokkaido University | Tomakomai | 2006-12 |
| Committee | Tamao Kasahara | Kyushu University | Kasuya | 2011-12 |
| Committee | Shin-ichiro Matsuzaki | National Institute for Environmental Studies | Kasumigaura | 2011-04 |
| Committee | Kenta Tanaka | University of Tsukuba | Sugadaira | 2009-04 |
| Committee | Kazuhiko Hoshizaki | Akita Prefectural University | Kanumazawa | 2009-07 |
| Committee | Toshihide Hirao | The University of Tokyo | Chichibu | 2012-03 |
| Committee | Hiroshi Kawai | Kobe University | Awajishima | 2006-12 |
| Committee | Hidenobu Kunii | Shimane University | Shinji/Nakaumi | 2006-12 |
| Committee | Takashi Masaki | Forestry and Forest Products Research Institute | Ogawa | 2006-12 |
| Committee | Taku M. Saitoh | Gifu University | Takayama | 2020-9 |
| Committee | Satoshi Saito | Forestry and Forest Products Research Institute | Aya | 2006-12 |
| Committee | Takuya Hiroshima | The University of Tokyo | Akazu | 2016-04 |
| Committee | Toshiya Yoshida | Hokkaido University | Hokkaido-kita | 2012-03 |
| Committee | Akira Asakura | Kyoto University | Shirahama | 2015-07 |
| Committee | Atsushi Takashima | University of the Ryukyus | Yona | 2006-12 |
| Committee | Naoko Tokuchi | Kyoto University | Wakayama | 2006-12 |
| Committee | Masakazu Hori | Fisheries Research Agency | Setonaikai-nishi | 2006-12 |
| Committee | Masahiro Nakaoka | Hokkaido University | Akkeshi | 2006-12 |
| Committee | Katsunori Fujikura | Japan Agency for Marine-Earth Science and Technology | Sagami Bay | 2010-03 |
| Committee | Kazuhiko Sakai | University of the Ryukyus | Sesoko | 2011-03 |
| Outer Committee | Tohru Nakashizuka | Tohoku University | 2006-12 | |
| Outer Committee | Kosuke Homma | Niigata University | 2006-12 | |
| Outer Committee | Katsuhisa Shimoda | National Institute of Livestock and Grassland Science | 2014-04 | |
| Outer Committee | Nobohito Ohte | Kyoto University | 2006-12 |
Information Management Committee
| Position | Name | Organization | Research Site (core) | Assumption Date |
| Committee | Nobuko Saigusa | National Institute for Environmental Studies | Kasumigaura | 2012-03 |
| Committee | Akio Fujiwara | The University of Tokyo | Chichibu | 2006-12 |
| Committee | Takeshi Hanyuda | Kobe University | Awajishima | 2006-12 |
| Committee | Kenta Tanaka | University of Tsukuba | Sugadaira | 2009-04 |
| Committee | Tesuya Kato | Kyoto University | Shirahama | 2006-12 |
| Committee | Koji Seto | Shimane University | Shinji/Nakaumi | 2006-12 |
| Committee | Kinya Ito | Hokkaido University | Hokkaido-kita | 2014-09 |
| Committee | Keiji Komiya | Hokkaido University | Tomakomai | 2008-04 |
| Committee | Hiroyuki Muraoka | Gifu University | Takayama | 2020-09 |
| Committee | Takashi Masaki | Forestry and Forest Products Research Institute | Ogawa | 2014-04 |
| Committee | Satoshi Saito | Forestry and Forest Products Research Institute | Aya | 2006-12 |
| Committee | Nobuaki Tanaka | The University of Tokyo | Akazu | 2016-04 |
| Committee | Atsushi Takashima | University of the Ryukyus | Yona | 2006-12 |
| Committee | Naoaki Tashiro | Kyushu University | Kasuya | 2006-12 |
| Committee | Naoko Tokuchi | Kyoto University | Wakayama | 2006-12 |
| Committee | Shoichi Hamano | Hokkaido University | Akkeshi | 2009-03 |
| Committee | Goro Yoshida | Fisheries Research Agency | Setonaikai-nishi | 2009-03 |
| Committee | Shinji Tsuchida | Japan Agency for Marine-earth Science and Technology | Sagami Bay | 2010-03 |
| Committee | Mahoko Noguchi | Forestry and Forest Products Research Institute | Kanumazawa | 2014-04 |
| Outer Committee | Yasushi Agata | Japan Agency for Marine-earth Science and Technology | 2006-12 | |
| Outer Committee | Hiromitsu Kamauchi | Hokkaido University | Akkeshi | 2006-12 |
| Outer Committee | Akiko N. Ogawa | University of Tokyo(doctoral course) | 2006-12 | |
| Outer Committee | Akira Mori | Yokohama National University | 2008-03 | |
| Outer Committee | Eri Mizumachi | Kyoto University | 2008-03 | |
| Outer Committee | Eiichi Maita | National Institute for Environmental Studies | 2009-10 | |
| Outer Committee | Masahiro Nakamura | Hokkaido University | 2010-03 |