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[B-9.2 Global warming effects on the alpine and subalpine vegetation of Japan]

[Contact Person]

Hirosi TAODA
Forest Environment Division, Forestry and Forest Products Research Institute,
Forestry Agency
PO. Box 16, Tsukuba Norin, Ibaraki, Japan 305
Phone +081-298-73-3211(ext.355), Fax +81-298-74-3720

[Total Budget for FY1990-1992]

34,374,000 Yen

[Abstract]

　We investigated the relationship between environmental conditions and plant communities to evaluate the global warming effects on alpine and subalpine vegetation in Japan. Our studies are as follows: effects of earlier snow release on both snow patch vegetation and soil structure; melting processes of snow patch and the phenology of the alpine vegetation; the estimation of climatic conditions in past ages using the analysis of soil structure; estimation of drying procedure of high moor; Regeneration processes of subalpine conifer forest; effects of external factors on canopy structure and dynamics of dwarf pine scrub; shifting of the distribution pattern of forest zone; the analysis of tree growth by means of annual ring.

[Key Words]

Pinus pumila scrub, Abies veitchii forest, warming index, podozol, snow patch, phenology, annual ring