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[B-4.7 Carbon Storage in Biomass and Productivity of Larch Forests in Northeastern Asia]

[Contact Person]

Matsuura, Yojiro
Senior Researcher
Forest Soil Laboratory, Hokkaido Research Center,
Forestry and Forest products Research Institute,
Ministry of Agr.,For.,and Fish.
7 Hitsujigaoka, Toyohira, Sapporo, 062-8516, Japan
Tel: +81-11-851-4131, Fax: +81-11-851-4167
Email: orijoy@ffpri-hkd.affrc.go.jp

Shi, Fuchen(Eco-Frontier-Fellow)
Professor
Northeast Forestry University
Hexing Road 26, Harbin 150040,P.R.China
Tel: +86-451-2190114,Fax: +86-451-2102082
Email: prborl@public.hr.hl.cn

[Total Budget for FY 2000]

l,200,000 Yen

[Abstract]

　This paper mainly discussed the biomass and primary productivity of Larch (Larix gmelinii) forests, an important type of natural forest ecosystem in Daxingan Mountains region, Northeast China. The aboveground biomass and primary productivity of these forests were different significantly in different climatic zones. In the same age group, the aboveground biomass and primary productivity were generally higher in the southeast climatic zone (85.37Mg ha^-1 for young forest), while it was generally lower in north climatic zone (41.81 Mg ha^-1 for young forest and 55.6 Mg ha^-1 for middle age forest). In the same vegetation type, there was a higher aboveground biomass and primary productivity in young and middle age forests than those of mature forests. Furthermore, a comparison on the aboveground biomass and primary productivity between natural larch forests in Daxingan Mountains and larch plantation in other part of Northeast China was also analyzed in this paper. Some suggestions and perspectives are given on the belowground biomass and primary productivity.

[Key Words]

Larch forest, climate gradient, aboveground biomass, primary productivity, northeastern China,