globalchange  > 影响、适应和脆弱性
DOI: 10.1016/j.foreco.2013.08.054
Scopus记录号: 2-s2.0-84884409415
论文题名:
Development and testing of allometric equations for estimating above-ground biomass of mixed-species environmental plantings
作者: Paul K.I.; Roxburgh S.H.; England J.R.; Ritson P.; Hobbs T.; Brooksbank K.; John Raison R.; Larmour J.S.; Murphy S.; Norris J.; Neumann C.; Lewis T.; Jonson J.; Carter J.L.; McArthur G.; Barton C.; Rose B.
刊名: Forest Ecology and Management
ISSN:  0378-1127
出版年: 2013
卷: 310
起始页码: 483
结束页码: 494
语种: 英语
英文关键词: Aboveground biomass ; Allometry ; Biodiversity plantings ; Carbon ; Destructive sampling ; Generalised equations
Scopus关键词: Above ground biomass ; Allometry ; Destructive sampling ; Generalised equations ; Plantings ; Biodiversity ; Biomass ; Carbon ; Estimation ; Forecasting ; Forestry ; Ecology ; aboveground biomass ; accuracy assessment ; allometry ; carbon sequestration ; data set ; dry matter ; mixed forest ; plantation forestry ; precision ; shrub ; Biodiversity ; Biomass ; Carbon ; Ecology ; Forecasts ; Forestry ; Planting ; Sampling ; Australia
英文摘要: To quantify the impact that planting indigenous trees and shrubs in mixed communities (environmental plantings) have on net sequestration of carbon and other environmental or commercial benefits, precise and non-biased estimates of biomass are required. Because these plantings consist of several species, estimation of their biomass through allometric relationships is a challenging task. We explored methods to accurately estimate biomass through harvesting 3139 trees and shrubs from 22 plantings, and collating similar datasets from earlier studies, in non-arid (>300mm rainfallyear-1) regions of southern and eastern Australia. Site-and-species specific allometric equations were developed, as were three types of generalised, multi-site, allometric equations based on categories of species and growth-habits: (i) species-specific, (ii) genus and growth-habit, and (iii) universal growth-habit irrespective of genus. Biomass was measured at plot level at eight contrasting sites to test the accuracy of prediction of tonnes dry matter of above-ground biomass per hectare using different classes of allometric equations. A finer-scale analysis tested performance of these at an individual-tree level across a wider range of sites. Although the percentage error in prediction could be high at a given site (up to 45%), it was relatively low (<11%) when generalised allometry-predictions of biomass was used to make regional- or estate-level estimates across a range of sites. Precision, and thus accuracy, increased slightly with the level of specificity of allometry. Inclusion of site-specific factors in generic equations increased efficiency of prediction of above-ground biomass by as much as 8%. Site-and-species-specific equations are the most accurate for site-based predictions. Generic allometric equations developed here, particularly the generic species-specific equations, can be confidently applied to provide regional- or estate-level estimates of above-ground biomass and carbon. © 2013 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/66246
Appears in Collections:影响、适应和脆弱性

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作者单位: CSIRO, Sustainable Agriculture Flagship and CSIRO Ecosystem Sciences, Australia; GPO Box 1700, ACT 2601, Australia; Private Bag 10, Clayton South, VIC 3169, Australia; Victorian Department of Environment and Primary Industries, 8 Nicholson Street, East Melbourne, VIC 3002, Australia; Department of Agriculture and Food, Western Australia (DAFWA), 444 Albany Hwy, Albany, WA 6330, Australia; DAFWA, 3 Baron-Hay Court, South Perth, WA 6151, Australia; Department of Environment, Water and Natural Resources - South Australian Government, GPO Box 1047, Adelaide, SA 5001, Australia; Department of Agriculture, Fisheries and Forestry - Queensland Government, University of the Sunshine Coast, Sippy Downs Drive, Sippy Downs, QLD 4556, Australia; Threshold Environmental Pty Ltd., PO Box 1124, Albany, WA 6331, Australia; Private Bag 5, Wembley, WA 6913, Australia; AusCarbon Pty Ltd., PO Box 395, Nedlands, WA 6909, Australia; University of New South Wales, Sydney, NSW 2052, Australia; Carbon Neutral Pty Ltd., Floreat Forum, WA 6014, Australia; University of Western Australia, 1 Foreshore House, Albany, WA 6330, Australia

Recommended Citation:
Paul K.I.,Roxburgh S.H.,England J.R.,et al. Development and testing of allometric equations for estimating above-ground biomass of mixed-species environmental plantings[J]. Forest Ecology and Management,2013-01-01,310
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