Bulletin of FFPRI, Vol.20 No.1 (No.457) March 2021

Table of Contents

Original article

• Balance of leaf traits is important for whole-plant carbon balance in shade : a study for understory saplings in a subtropical forest in Japan(PDF:924KB)
  • Ayana MIYASHITA and Masaki TATENO
  • DOI：10.20756/ffpri.20.1_1
• Influence of the size effect parameter on the bending strength of lumber (Part 2) Examination by the visual grading classification(PDF:1,151KB) [in Japanese with English abstract]
  • Hirofumi IDO, Hideo KATO and Hirofumi NAGAO
  • DOI：10.20756/ffpri.20.1_13
• Research on unmanned logging operation by automated traveling forwarder using electromagnetic induction(PDF:1,691KB) [in Japanese with English abstract]
  • Masahiro MOZUNA, Hirokazu YAMAGUCHI,Hidenori SUZUKI, Satoshi YAMAGUCHI, Hiroko MUNEOKA, Tatsuya SASAKI, Kengo USUI, Takao IIZAWA,Fuminori OHIGASHI, Keiichi ABE, Nobuhiro KONAGAI and Hiroshi TSUJI
  • DOI：10.20756/ffpri.20.1_19
• Efficient acetylation of wood using pressure difference of supercritical carbon dioxide(PDF:853KB) [in Japanese with English abstract]
  • Masahiro MATSUNAGA, Masahiko KOBAYASHI,Toru KANBAYASHI and Atsuko ISHIKAWA
  • DOI：10.20756/ffpri.20.1_29

Research record

• Changes in stand structure of an old secondary lucidophyllous forest over 21-years monitoring(PDF:938KB) [in Japanese with English abstract]
  • Tamotsu SATO, Hiromi YAMAGAWA, Haruto NOMIYA, Tetsuto ABE, Satoshi SAITO, Minoru KAMA and Yoshihiro OTERA
  • DOI：10.20756/ffpri.20.1_37
• Statistical report of hydrological data from TAKARAGAWA experimental watershed. - HONRYU and SHOZAWA watershed (January, 2011 to December, 2016) -(PDF:841KB) [in Japanese with English abstract]
  • Koji TAMAI, Tayoko KUBOTA, Shoji NOGUCHI,Takanori SHIMIZU, Shin’ichi IIDA, Shinji SAWANO, Tatsuhiko NOBUHIRO, Makoto ARAKI and Yoshio TSUBOYAMA
  • DOI：10.20756/ffpri.20.1_49