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DOI | 10.1016/j.foreco.2020.117891 |
Production ecology and reverse growth dominance in an old-growth ponderosa pine forest | |
Fernández-Tschieder E.; Binkley D.; Bauerle W. | |
发表日期 | 2020 |
ISSN | 0378-1127 |
卷号 | 460 |
英文摘要 | The growth of a stand is the sum of the growth of individual trees. Growth of individual trees can be explained by the amount of resources captured and how efficiently those resources are used (production ecology). The relationship between the contribution of a tree to stand growth relative to the contribution to stand biomass is expressed by the growth dominance. Patterns of growth dominance vary among tree species and stand age, suggesting that differences in production ecology underlie the observed patterns of growth dominance within stands. We explored the production ecology in an old-growth ponderosa pine forest. Growth dominance was strongly negative (−0.22) and was the outcome of a less-than-proportional increase of tree growth as a function of tree size. Dominant trees were almost 5 times larger than suppressed trees (1024 vs. 211 kg tree−1) but grew only about 2 times more than suppressed trees (4.3 vs. 1.9 kg tree−1 year−1). Dominant trees captured a less-than-proportional amount of light relative to their size (90.4 vs. 20.9 GJ year−1 tree−1) and light use efficiency declined with tree size. Suppressed trees were twice as efficient as dominant trees (0.11 vs. 0.05 kg[wood] GJ[PAR]−1). Our results highlight the link between growth dominance, competition for resources, and the pattern of light use efficiency among large versus small trees. © 2020 Elsevier B.V. |
英文关键词 | Growth dominance coefficient; Resource competition; Resource use efficiency; Size-growth relationships |
语种 | 英语 |
scopus关键词 | Efficiency; Forestry; Growth dominance coefficients; Individual tree; Light use efficiency; Ponderosa pine forest; Resource competitions; Resource use; Size growths; Suppressed trees; Ecology; competition (ecology); coniferous forest; dominance; light use efficiency; old-growth forest; stand structure; Ecology; Efficiency; Forestry; Growth; Light; Patterns; Resources; Trees |
来源期刊 | Forest Ecology and Management
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文献类型 | 期刊论文 |
条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/155467 |
作者单位 | National Institute of Agricultural Technology (INTA), Agricultural Experimental Station of Delta del Paraná, Campana, Argentina; Graduate Degree Program in Ecology, Department of Ecosystem Science and Sustainability, Colorado State University, Fort Collins, CO 80523, United States; School of Forestry, Northern Arizona University, Flagstaff, AZ 86011, United States; Department of Horticulture and Landscape Architecture, Colorado State University, Fort Collins, CO 80523, United States |
推荐引用方式 GB/T 7714 | Fernández-Tschieder E.,Binkley D.,Bauerle W.. Production ecology and reverse growth dominance in an old-growth ponderosa pine forest[J],2020,460. |
APA | Fernández-Tschieder E.,Binkley D.,&Bauerle W..(2020).Production ecology and reverse growth dominance in an old-growth ponderosa pine forest.Forest Ecology and Management,460. |
MLA | Fernández-Tschieder E.,et al."Production ecology and reverse growth dominance in an old-growth ponderosa pine forest".Forest Ecology and Management 460(2020). |
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