Abstract
This study was undertaken to assess the standing biomass and carbon (C) accumulation in the smallholder farming systems of Claveria, the Philippines. Nineteen land use types were identified and the age and standing biomass assessed by field measurements and the use of allometric equations. Aboveground C stock varied from 2.9 to 234 Mg ha–1. The highest stock was observed in the preserved forest followed by homegardens whereas the lowest was observed in the grasslands. In general, C accumulation in aboveground biomass decreased with increasing tree diversity. The highest rate of C accumulation was found in mango (Mangifera indica L.) plantation (17.9 Mg ha–1 year–1) followed by banana (Musa spp.) + fruit trees (13.6 Mg ha–1 year–1). Low (<1 Mg ha–1 year–1) rates of C accumulation were observed in coconut (Cocos nucifera L.) plantations, coconut + banana, bush fallow, and grasslands. Agroforestry systems like homegardens and corn (Zea mays L.) + timber and fruit trees can have both high rates of C accumulation and high tree diversity, implying the synergy between C accumulation and maintenance of tree diversity.
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Acknowledgements
This research was funded by the World Agroforestry Centre. We thank the field assistants Ronillo Sungkit, Hipolito Lumansoc, Gil Arsenal and Ephren Pagalan for their genuine efforts in making the data collection process a success; Dr. Manolo Bertomeu for his insights about the study area and providing important information about the landscape and the trees. Dr. Meine van Noordwijk is also acknowledged for his advice during the initial stages of the data collection.
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Brakas, S.G., Aune, J.B. (2011). Biomass and Carbon Accumulation in Land Use Systems of Claveria, the Philippines. In: Kumar, B., Nair, P. (eds) Carbon Sequestration Potential of Agroforestry Systems. Advances in Agroforestry, vol 8. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-1630-8_9
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DOI: https://doi.org/10.1007/978-94-007-1630-8_9
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