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Heterogeneity and assessment uncertainties in forest characteristics and biomass carbon stocks: Important considerations for climate mitigation policies
Centre for Environment and Sustainability, University of Gothenburg, Göteborg, Sweden.
Linköping University, Department of Thematic Studies, Centre for Climate Science and Policy Research. Linköping University, Department of Thematic Studies, Tema Environmental Change. Linköping University, Faculty of Arts and Sciences. Centre for Environment and Sustainability, University of Gothenburg, Göteborg, Sweden.ORCID iD: 0000-0002-4484-266X
Department of Biological and Environmental Sciences, University of Gothenburg, Göteborg, Sweden.
Department of Crop Science, Faculty of Agriculture, University of Peradeniya, Peradeniya, Sri Lanka.
2016 (English)In: Land use policy, ISSN 0264-8377, E-ISSN 1873-5754, Vol. 59, 84-94 p.Article in journal (Refereed) Published
Abstract [en]

The management of forests to store carbon and mitigate climate change has received significant inter- national attention during the last decade. Using in situ data from a 2008–2009 forest inventory field campaign in Sri Lanka, this study describes the structural characteristics and carbon stocks of six natural forest types. This paper has a dual scope: i) to highlight the variation in carbon stored in aboveground biomass within and between forest types and ii) to determine the implications of the allometric equa- tions chosen to calculate biomass carbon stocks. This study concerns work related to climate change interventions, such as Reducing Emissions from Deforestation and Forest Degradation (REDD+) and other forest-related, performance-based initiatives that require proper monitoring, reporting, and verification of carbon stocks, sinks and emissions. The results revealed that forests are heterogeneous in terms of tree density and height–diameter relationships, both between and within the six forest types investigated. The mean aboveground carbon stock in the different forest types ranged from 22 to 181 Mg C ha−1 , and there were statistically significant differences in the carbon stocks of the six forest types in 7 of 15 cases. The estimated carbon stock depended heavily on the allometric equation used for the calculations, the variables, and its application to the specific life zone. Due to the diversity of forest structures, these results suggest that caution should be taken when applying default values to estimate forest carbon stocks and emission values in reporting and accounting schemes. The results also indicated the need for allometric equations that are context-specific for different forest types. Therefore, new field investigations and mea- surements are needed to determine these specific allometric equations, as well as the potential variation in forest carbon stocks in tropical natural forests. 

Place, publisher, year, edition, pages
Elsevier, 2016. Vol. 59, 84-94 p.
Keyword [en]
Sri Lanka, Forest inventory, Carbon, Above ground biomass (AGB), Allometric equations, Climate interventions, MRV
National Category
Earth and Related Environmental Sciences
URN: urn:nbn:se:liu:diva-130931DOI: 10.1016/j.landusepol.2016.08.026OAI: diva2:956914

Funding Agencies|Swedish Energy Agency (Project No 35586-1); the National Research Council of Sri Lanka; Forskning och Framtid, Linköping University, Sweden

Available from: 2016-08-31 Created: 2016-08-31 Last updated: 2016-09-06Bibliographically approved

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Ostwald, Madelene
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Centre for Climate Science and Policy ResearchTema Environmental ChangeFaculty of Arts and Sciences
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