木兰林管局白桦次生林生物量与碳储量研究

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Biomass and carbon storage of Betula platyphylla natural secondary forests in Mulan Forest Farm，Hebei Province of northern China

1 Forestry Foreign Project Center of Hebei Province, Shijiazhuang，050081, P. R. China； 2 Hebei Academy of Forestry Science, Shijiazhuang，050061, P. R. China； 3 Three-North Belt Forest Project Office of Hebei Forestry Bureau, Shijiazhuang，050081, P. R. China.

摘要: 以木兰林管局16～54年生白桦天然次生林为研究材料，通过对12块标准地的生物量与碳密度进行研究，建立了白桦次生林幂函数形式的生物量转换模型，并利用模型进行计算。结果表明：白桦次生林林木层平均碳密度为37.326 3 t/hm2，土壤层为144.306 0 t/hm2，地被层为5.443 5 t/hm2，林分平均碳密度为187.076 0 t/hm2；木兰林管局白桦次生林生物现存总量为137.586 87万t，碳储量为296.182 39万t。
- 白桦次生林 /
- 生物量 /
- 碳汇 /
- 碳密度
Abstract: Biomass and carbon storage of Betula platyphylla natural secondary forests were studied based on 12 stands of 16 to 54 years old and forest inventory information in Mulan Forest Farm，Hebei Province of northern China. The biomass transition models in the form of power function were proposed. The average carbon density for B. platyphylla natural secondary forests was 187.076 0 t/hm2, of which 37.326 3, 144.306 0 and 5.443 5 t/hm2 were for tree, soil and ground layer, respectively. The existing total biomass and carbon storage of B. platyphylla natural secondary forests in Mulan Forest Farm were 1.376×106 and 2.962 ×106 t,respectively.
- Betula platyphylla natural secondary forest /
- biomass /
- carbon sink /
- carbon density

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