Hiromasa Koyama

2 works

Hokkaido Forestry Research Institute

1. A Prediction Method for Beech (Fagus crenata) Mast Based on Winter Bud Investigation

   Michiyasu Yasaka, Hiromasa Koyama, Kazuhiko Terazawa +1

   ArticleAnimal Ecology and Behavior StudiesJournal of the Japanese Forest Society20010 citations

   ABIABI:AkademIndex/openalex/2001.article.000122

2. Proximate factors causing mast seeding in <i>Fagus crenata</i>: the effects of resource level and weather cues

   Hirokazu Kon, Takashi Noda, Kazuhiko Terazawa +2

   ArticleAnimal Ecology and Behavior StudiesCanadian Journal of Botany20050 citations

   ABIABI:AkademIndex/openalex/2005.article.000033