DOI: 10.1016/j.foreco.2013.02.004
Scopus记录号: 2-s2.0-84875274309
论文题名: Carbon stocks in primary and secondary tropical forests in Singapore
作者: Ngo K.M. ; Turner B.L. ; Muller-Landau H.C. ; Davies S.J. ; Larjavaara M. ; Nik Hassan N.F.B. ; Lum S.
刊名: Forest Ecology and Management
ISSN: 0378-1127
出版年: 2013
卷: 296 起始页码: 81
结束页码: 89
语种: 英语
英文关键词: Aboveground and belowground biomass
; Carbon pools
; Coastal hill dipterocarp forest
; Ecosystem carbon
; Necromass
; Tropical rain forest
Scopus关键词: Belowground biomass
; Carbon pool
; Dipterocarps
; Ecosystem carbons
; Necromass
; Tropical rain forest
; Biomass
; Climate change
; Deforestation
; Population statistics
; Soils
; Carbon
; aboveground biomass
; anthropogenic effect
; bulk density
; carbon budget
; climate change
; coarse woody debris
; deforestation
; fine root
; forest soil
; rainforest
; secondary forest
; soil carbon
; tropical forest
; Ultisol
; Biomass
; Carbon
; Deforestation
; Ecosystems
; Forests
; Seasonal Variation
; Soil
; Tropical Atmospheres
; Bukit Timah Nature Reserve
; Singapore [Southeast Asia]
英文摘要: Tropical forests contain large reserves of carbon that are vulnerable to perturbation linked to human activities, including deforestation and climate change. Accurate estimates of forest carbon are therefore required urgently to support efforts to conserve tropical forests. We quantified carbon stocks in primary and 60-year-old secondary forest plots located on infertile Ultisols in Bukit Timah Nature Reserve, one of the few remaining areas of forest in Singapore. We used tree census data for 24.2ha of primary forest and 23ha of secondary forest, together with allometric equations, to estimate aboveground and coarse root biomass. Coarse woody debris stocks were censused along 2.44km and 2.12km of transects in primary and secondary forest, respectively. Soil carbon and fine root carbon stocks were assessed from soil samples taken to 3m depth in a 2-ha secondary forest plot and a 2-ha primary forest plot, combined with bulk density measured in a nearby soil profile pit. Total estimated carbon stock in the primary forest, which was located on the hilltop and upper slopes (80-115m elevation), was 337MgCha-1, of which 50% was aboveground biomass, 33% in soil, 12% in coarse roots, 4.6% in coarse woody debris, and 0.8% in fine roots. In the secondary forest, located on lower slopes and valley (50-85m elevation), the total carbon stock was 274MgCha-1 and the relative importance of aboveground biomass and soil were reversed, with 38% in aboveground biomass, 52% in soil, 6.9% in coarse roots, 1.5% in coarse woody debris, and 1.3% in fine roots. Including carbon in deep subsoil (i.e. to 3m) increased soil carbon stocks by ∼40% compared to 1m depth. Overall, the 60-year-old secondary forest contained 60% as much biomass as the primary forest, while the primary forest had lower carbon stocks than other primary forests in the region. © 2013 Elsevier B.V. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/66651
Appears in Collections: 影响、适应和脆弱性
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作者单位: Center for Tropical Forest Science, National Institute of Education, 1 Nanyang Walk, Singapore 637616, Singapore; Smithsonian Tropical Research Institute, Apartado Postal 0843-03092, Balboa, Ancon, Panama; SIGEO-CTFS, Smithsonian Institution, Department of Botany, MRC-166, PO Box 37012, Washington, DC 20013, United States; Natural Sciences and Science Education Academic Group, National Institute of Education, Nanyang Technological University, 1 Nanyang Walk, Singapore 637616, Singapore; Finnish Forest Research Institute, Jokiniemenkuja 1, PO Box 18, FI-01301 Vantaa, Finland
Recommended Citation:
Ngo K.M.,Turner B.L.,Muller-Landau H.C.,et al. Carbon stocks in primary and secondary tropical forests in Singapore[J]. Forest Ecology and Management,2013-01-01,296