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DOI | 10.1016/j.foreco.2019.03.038 |
Long-term tree-ring derived carbon dynamics of an experimental plantation in relation to species and density in Northwestern Ontario, Canada | |
Metsaranta J.M. | |
发表日期 | 2019 |
ISSN | 0378-1127 |
起始页码 | 229 |
结束页码 | 241 |
卷号 | 441 |
英文摘要 | Afforestation can result in significant accumulations of carbon (C) in both soils and vegetation, which can make an important contribution to GHG emission mitigation. However, there remains a critical knowledge gap about ecosystem C stocks and fluxes at afforested sites, which is required in order to understand the effect of management choices like species selection and initial planting density. A hybrid biometric modelling approach was used to reconstruct ecosystem C stocks and fluxes at an experimental spacing trial consisting of three species (red pine, white spruce, and black spruce) planted at three densities, 63 years after it was established on former agricultural land in Northwestern Ontario, Canada. Wood volume and increment were larger for closer spacing and for red pine relative to black or white spruce, and translated to analogous differences in estimates of ecosystem C dynamics. At young ages, net ecosystem production was largest at close spacing, but this difference attenuated over time and was similar in recent decades regardless of initial spacing. Estimated carbon stock and flux values were generally congruent with available estimates from independent studies at analogous sites, with the exception of litterfall which showed greater differences. Plots at the site were estimated to be C sinks on an annual basis immediately after establishment under the assumption that the site was previously under long-term agricultural land use, but anywhere from 10 to 20 years following establishment if the site was modelled as if it was a stand in the managed forest historically subject to natural disturbance regimes. © 2019 |
英文关键词 | Afforestation; Boreal forest; CBM-CFS3; Climate change adaptation; Climate change mitigation; Dendrochronology; Net ecosystem production; Tree-ring analysis; Wood production |
语种 | 英语 |
scopus关键词 | Carbon; Ecosystems; Greenhouse gases; Land use; Reforestation; Afforestation; Boreal forests; CBM-CFS3; Climate change adaptation; Climate change mitigation; Dendrochronology; Net ecosystem production; Tree-ring analysis; Wood production; Climate change; adaptive management; afforestation; agricultural land; boreal forest; carbon flux; carbon sequestration; climate change; dendrochronology; disturbance; net ecosystem production; soil-vegetation interaction; tree ring; wood; Carbon; Dynamics; Ecosystems; Greenhouse Gases; Land Use; Pinus Sylvestris; Reforestation; Spacing; Canada; Ontario [Canada]; Picea glauca; Picea mariana; Pinus resinosa |
来源期刊 | Forest Ecology and Management |
文献类型 | 期刊论文 |
条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/156036 |
作者单位 | Natural Resources Canada, Canadian Forest Service, Northern Forestry Centre, 5320 122 Street, Edmonton, AB T6H 3S5, Canada |
推荐引用方式 GB/T 7714 | Metsaranta J.M.. Long-term tree-ring derived carbon dynamics of an experimental plantation in relation to species and density in Northwestern Ontario, Canada[J],2019,441. |
APA | Metsaranta J.M..(2019).Long-term tree-ring derived carbon dynamics of an experimental plantation in relation to species and density in Northwestern Ontario, Canada.Forest Ecology and Management,441. |
MLA | Metsaranta J.M.."Long-term tree-ring derived carbon dynamics of an experimental plantation in relation to species and density in Northwestern Ontario, Canada".Forest Ecology and Management 441(2019). |
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