Evaluation of the reliability of a village-based inventory of smallholder tree farms On Leyte Island, The Philippines

Cedamon, Edwin D., Mangaoang, Eduardo O., Harrison, Steve R. and Herbohn. John L. (2007). Evaluation of the reliability of a village-based inventory of smallholder tree farms On Leyte Island, The Philippines. In: Steve Harrison, Annerine Bosch and John Herbohn, Improving the Triple Bottom Line Returns from Small-scale Forestry, Proceedings from an International Conference. Improving the Triple Bottom Line Returns from Small-scale Forestry, Ormoc, the Philippines, (79-88). 18 - 21 June, 2007.

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Author Cedamon, Edwin D.
Mangaoang, Eduardo O.
Harrison, Steve R.
Herbohn. John L.
Title of paper Evaluation of the reliability of a village-based inventory of smallholder tree farms On Leyte Island, The Philippines
Conference name Improving the Triple Bottom Line Returns from Small-scale Forestry
Conference location Ormoc, the Philippines
Conference dates 18 - 21 June, 2007
Proceedings title Improving the Triple Bottom Line Returns from Small-scale Forestry, Proceedings from an International Conference
Place of Publication Gatton, Qld
Publisher The University of Queensland
Publication Year 2007
Sub-type Fully published paper
Editor Steve Harrison
Annerine Bosch
John Herbohn
Volume 1
Start page 79
End page 88
Total pages 10
Collection year 2007
Language eng
Abstract/Summary Timber resources on smallholder tree farms in the Philippines, as elsewhere, remain inadequately described in terms of volume, number of trees, species, age, area of farms and number of farmers. This lack of information could be mainly due to the limitation of conventional forest inventory techniques on fragmented and scattered smallholder timber resources, as well as the high cost associated with conducting conventional forest inventories. Inventory information on timber resources is, however, essential in management, planning and formulating sound strategies for forestry development. This apparent need of inventory information calls for developing a cost-effective method of inventorying smallholder tree farms. This paper reports an evaluation of the use of information provided by barangay chairmen as a method of estimating tree number and age on smallholdings on Leyte Island in the Philippines. Barangay chairmen in seven municipalities were requested by the ACIAR Smallholder Tree Farmer Project to provide information about tree farmers in their respective barangays. The reliability of the tree farm data provided by the barangay chairmen was evaluated through interviewing tree farmers in 10 barangays. In addition, barangay chairmen were interviewed to obtain barangay profiles and to investigate the strategies they used in collecting the data. Reliability was assessed in terms of reported versus verified tree numbers and stand age distributions.
Subjects 300000 Agricultural, Veterinary and Environmental Sciences
Keyword smallholdings
tree farms
forest inventory techniques
References Aggangan, R.T. (2000), ‘Tree farming in the Philippines: Some issues and recommendations’, in S. Harrison, and J. Herbohn (eds), Socio-Economic Evaluation of the Potential of Australian Species in the Philippines, Australian Centre for International Agricultural Research (ACIAR), Canberra, pp. 33−43. Avery, T.E. (1975), Natural Resources Measurement, 2nd Edition, McGraw-Hill, New York. Chapman, H.H. and Meyer, W.H. (1949), Forest Mensuration, McGraw-Hill, New York. Cedamon, E. and Emtage, N. (2004), ‘Conducting surveys on forestry attitudes and practices in Leyte communities, the Philippines: Experiences and lessons learnt’, Small-scale Forest Economics, Management and Policy, 4(1): 69−84. Cedamon, E., Emtage, N., Suh, J., Herbohn, J., Harrison, S. and Mangaoang, E. (2005), ‘Present tree planting and management activities in four rural communities in Leyte Province’, Annals of Tropical Research, 27(1): 19−34. Emtage, N. (2004), An Iinvestigation of the Social and Economic Factors Affecting the Development of Small-scale Forestry by Rural Households in Leyte Province, the Philippines, The University of Queensland, Brisbane, Australia. Herbohn, J.L., Harrison, S.R., Vanclay, J. and Wardell-Johnston, G.(2005), ‘Designing a strategy to sample tree farms on Leyte’, in J. Suh, S.R. Harrison, J.L. Herbohn, E.O. Mangaoang and J. Vanclay (eds), Improving Financial Returns to Smallholder Tree Farmer in the Philippines, Proceedings from the Planning Workshop held in Ormoc City, the Philippines, 15−17 February 2005, pp. 203−210. Husch, B., Miller, C. and Beers, T. (1972), Forest Mensuration, 2nd Edition, The Ronald Press Company, New York. Loreto, D. (2006), Personal communication, Laboratory Technician, Geographic Information System Laboratory, Leyte State University, Visca, Baybay, Leyte, Philippines. National Statistics Office (NSO) (2002), Total Population, Household Population and Number of Households by Province, City, Municipality and Barangay: as of 1 May, 2000, http://www.census.gov.ph/census2000/index.html, accessed 5 October 2006. Rawat, J., Dasgupat, S., Kumar, R., Kumar, A. and Chauhan, K., (2003), Training Manual on Inventory of Trees Outside Forest (TOF), FAO Regional Office for Asia and the Pacific, Bangkok. Rojo, J.P. (1999), Revised Lexicon of Philippine Trees, Forest Products Research and Development Institute, College, Laguna. Shiver, B. and Borders, B. (1996), Sampling Techniques for Forest Resource Inventory, Wiley, New York. VanClay, J. (1992), ‘Before Your Begin Your Inventory’, ITTO Tropical Forest Management Update, 2(4):4−6, www.jkv.50megs.com/U039_ITTO.pdf, accessed 28 December 2005.
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Created: Thu, 30 Aug 2007, 14:23:25 EST by Annerine Bosch on behalf of Faculty Of Nat Resources, Agric & Veterinary Sc