Participants and collaborators
Japanese
The project was carried out by the following participants and collaborators. The affiliation is as of the time of the survey.
Hirofumi Hirakawa (Retired in March 2020) drove this project.
Hokkaido National-Forest Management Bureau
Headquarter

Shoji SATO, Toshiyuki ITO, Tatsuhiko MINAMI, Hiroyuki WATANABE, Yuuzou MICHIOTO,
Nobuo ISHIBASHI, Masato OKAMOTO, Yasuharu SAKATA

Ishikari

Kazunori OKAMOTO, Syoji YAMAMOTO, Koji Ohno, Hiroshi FUJIO, Yasunari ADACHI,
Kenji MAKINO, Hiroyuki WATANABE, Tatsuya ASANO, Akio Ochiai, Yuuji HIGASHIMOTO,
Mitsuru Satou, Mutsumi SHIKAMA, Kazunori MORIMOTO, Hiroshi OGIWARA, Hideki HORIKAWA

Tokorogawa

Tatsuhiko MINAMI, Kazuhiro ISONO, Sueto SHIRATOU, Tomoyuki IWAMOTO,
Masanobu TATSUNO, Kouji KIKUCHI, Hideki SASAKI, Hiroshi FUJIO, Nobuo ISHIBASHI, Osamu KUNISAWA

Kushiro-Shitsugen

Yoshiaki KAWABUCHI, Kenji SHIMURA, Kazuhiro AMIKURA, Toshio TAKAMIZAWA, Masanobu TATSUNO,
Hedeto SHIGEMITSU, Motomune MIYAMOTO, Yoshiko HORI, Satoshi HUNABASHI, Naoki HAYASHI,
Akifumi NAKASHIMA, Hiroyuki WATANABE

Komagatake-Ohnuma

Kiyokazu FUKUURA, Makoto IWAYAMA, Kiyoshi MATSUDA, Hideki HORIKAWA, Goichi HIGUCHI,
Kaoru KOBAYASHI, Mitsuo GOTOU, Shinobu FUKUSHI, Taiki KOBAYASHI, Kazuhiro AMIKURA

Shiretoko

Akira INAGAWA, Satoshi HAYAKAWA, Kotone TSUJI, Tetsuya WADA, Tetsuro MORIYA,
Ayaka HASEBE, Hiroshi OGIWARA, Hiroko IMAFUKU, Koji MASATSUKI, Satoshi TAKEKUMA,
Masakazu IWAMOTO, Minetaka ISHIZAKI, Yasunori TATE, Suguru HISADA

Hidaka-Nanbu Forest Management Office

Tomokazu NAKAHARA, Kenji SASAKI, Yumiko MISE, Motomune MIYAMOTO, Tomoyoshi Nakazawa,
Kana SATO, Masahiro NOTOU, Mitsuru SATOU, Toshikazu KOBARI, Yoshiyuki SUZUKI,
Takahiro OOMIZU, Tatsuhiko NOZAKI, Naohiro TOMISAWA, Kentaro SUGATA

Tokyo University

Nozomi OIKAWA, Masaki MATSUI

Tokyo University of Agriculture

Saiko SHIRAKI, Tomodai MIYATAKE, Kao YAMAMOTO, Shota UCHIDA, Haruki IGARASHI,
Miki ISHIZAKA, Norihide TAKEDA, Mio SIBUYA

Kyoto University

Yuta MIYAGI, Hatanori KISHIMOTO, Yoichiro KITAGAWA, Makoto FURUTA, Daisuke HAYASHI

Hokkaido University

Toshikazu TAKANISHI, Atsushi OKUDA

Toshio KURUMADA (Hokkaido Institute of Environmental Science)
Daisuke SAKATA （Division of Earth System Science, Hokkaido University)
Tatsuhiko NOZAKI (Hidaka-Nanbu & Shiribeshi Forest Management Offices)
Yukiko MATSUURA (Forestry and Forest Products Research Institute)
Mitsuaki MAKIMURA, Satoshi TAKIGUCHI (Kamikawa-Hokubu Forest Management Office)
Hiroshi MURABAYASHI (Japanese Red Cross Hokkaido College of Nursing)

Shigeru MATSUOKA, Kazushi TOJO, Takuma KUDO, Takayuki KAWAHARA, Noritomo KAWAJI
(Forestry and Forest Products Research Institute)

Hiroyuki UNO（Hokkaido Institute of Environmental Science）
Yasuyuki TACHIKI（NPO Envision）