期刊
FOREST ECOLOGY AND MANAGEMENT
卷 261, 期 11, 页码 1945-1949出版社
ELSEVIER
DOI: 10.1016/j.foreco.2011.02.019
关键词
Allometric; Biomass; Terai; Litter; Himalaya
类别
资金
- NRSC
Biomass and carbon sequestration rate of a young (four year old) mixed plantation of Dalbergia sissoo Roxb., Acacia catechu Willd., and Albizia lebbeck Benth. growing in Terai region (a level area of superabundant water) of central Himalaya was estimated. The plantation is seed sown in the rainy season of year 2004 and spread over an area of 44 ha. Allometric equations for both above and below ground components were developed for three tree species. The density of trees in the plantation was 1322 trees ha(-1) The diameters of trees were below 10 cm. Five diameter classes were defined for D. sissoo and A. catechu and 3 for A. lebbeck. 5 trees were harvested in each diameter class. Individual tree allometry was exercised for developing the allometric equations relating tree component (low and above ground) biomass to d.b.h. Post analysis equations were highly significant (P > 0.001) for each component of all species. In the plantation Holoptelia integnfolia Roxb. (Family Ulmaceae) has been reduced to shrub form because of frost. Only the aboveground biomass of H. integrifolia and other shrubs were estimated by destructive harvesting method. Herbaceous forest floor biomass and leaf litter fall were also estimated. The total forest vegetation biomass was 10.86 Mg ha(-1) in 2008 which increased to 19.49 Mg ha(-1) in 2009. The forest is sequestering carbon at the rate of 4.32 Mg ha(-1) yr(-1). (C) 2011 Elsevier B.V. All rights reserved.
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