Biomass equations for sixty-five North American tree species |
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| Affiliation: | 1. Ontario Forest Research Institute, 1235 Queen Street East, Sault Ste. Marie, Ont. P6A 2E5, Canada;2. Institute of Global Climate and Ecology, Moscow, 107258, Russia;1. COMIFAC, BP 20818, Yaoundé, Cameroon;2. CIRAD, UPR Bsef, 34398 Montpellier Cedex 5, France;3. Carboforexpert, Geneva, Switzerland;4. IRD, UMR AMAP, Bd de la Lironde TA A-51/PS2, 34398 Montpellier Cedex 5, France;5. IRET, BP 13354, Libreville, Gabon;6. Food and Agriculture Organization of the United Nations, Forest Department, v.le delle Terme di Caracalla, 00153 Rome, Italy;1. Department of Forest Engineering, Resources, and Management, Oregon State University, Corvallis, OR 97333, USA;2. Pacific Southwest Research Station, 3644 Avtech Parkway, Redding, CA 96002, USA;1. Department of Geography and Planning, Queen’s University, Kingston, ON K7L 3N6, Canada;2. Laboratory of Plant Systematic and Ecology, Department of Plant Biology, Faculty of Science, University of Yaoundé I, P.O. Box. 812, Yaoundé, Cameroon;1. Belowground Ecosystem Group, Department of Forest and Conservation, Faculty of Forestry, University of British Columbia, 2424 Main Mall, Vancouver, BC V6T 1Z4, Canada;2. Ecosystem Services and Climate Change Division, CSIR-Forestry Research Institute of Ghana, P.O. Box UP 63, KNUST, Kumasi, Ghana;3. School of the Environment, Natural Resources, and Geography, Bangor University, Gwynedd LL57 2UW, UK;1. State Key Laboratory of Resources and Environment Information System, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China;2. University of Chinese Academy of Sciences, Beijing 100049, China;3. Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China;4. Beijing Forestry University, Beijing 100083, China;5. Spatial Sciences Institute, University of Southern California, Los Angeles, CA 90089, USA |
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| Abstract: | The paper presents a comprehensive review of the biomass equations for 65 North American tree species. All equations are of the form M = aDb, where M is the oven-dry weight of the biomass component of a tree (kg), D is diameter at breast height (DBH) (cm), and a and b are parameters. Equations for the following tree components were included in the review: total aboveground biomass, stem wood, stem bark, total stem (wood and bark), foliage, and branches (wood and bark). A total of 803 equations are presented with the range of DBH values of the sample, sample size, coefficient of determination R2, standard error of the estimate, fitting method used to estimate the parameters a and b, correction factor for a bias introduced by logarithmic transformation of the data, site index and geographic location of the sampled stand(s), and a reference to the paper in which the equation (or the data) was published. The review is a unique source of equations that can be used to estimate tree biomass and/or to study the variation of biomass components for a tree species. |
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