DOI: 10.1016/j.foreco.2013.06.016
Scopus记录号: 2-s2.0-84880374110
论文题名: Influence of partial harvesting and site factors on the abundance and composition of natural regeneration in the Acadian Forest of Maine, USA
作者: Bataineh M. ; Kenefic L. ; Weiskittel A. ; Wagner R. ; Brissette J.
刊名: Forest Ecology and Management
ISSN: 0378-1127
出版年: 2013
卷: 306 起始页码: 96
结束页码: 106
语种: 英语
英文关键词: Environmental factors
; Northeast
; Relative importance
; Silviculture
; Spruce-fir
; Variance-partitioning
Scopus关键词: Environmental factors
; Northeast
; Relative importance
; Silviculture
; Spruce-fir
; Variance-partitioning
; Vegetation
; Reforestation
; abundance
; community composition
; coniferous forest
; dominance
; environmental factor
; forest ecosystem
; mixed forest
; overstory
; regeneration
; silviculture
; substrate
; understory
; Abies
; Picea
; Plants
; Reforestation
; Silviculture
; Acadia National Park
; Maine
; United States
英文摘要: Understanding the factors regulating the composition and abundance of natural regeneration in forest ecosystems is critical to sustainable management worldwide. Using a long-term silvicultural experiment in Maine, we partitioned the variation in natural regeneration and examined the contribution of overstory and understory vegetation (biotic factors), substrate and soil attributes (abiotic factors), and silvicultural treatment. We hypothesized that silvicultural treatment (single-tree selection with 5, 10, and 20-year cutting cycles and diameter-limit cutting) would be less influential than abiotic and biotic factors in structuring regeneration pattern. Overall, treatment and site (biotic and abiotic) factors accounted for 26% of the variation in regeneration species composition, highlighting stochasticity of the regeneration process. In support of our hypothesis, regeneration pattern that could be explained was primarily associated with local site factors; overstory and understory vegetation uniquely accounted for 16% of the variation in species composition. Substrate and soil attributes along with silvicultural treatment accounted for 4% of variation, and uniquely accounted for 2% and 4%, respectively. In support of earlier reports, shifts toward hardwood dominance were apparent at early stages of cohort development and were associated with high harvest intensities. Our findings suggested that overstory and understory vegetation exhibit greater control over regeneration patterns than substrate and soil attributes, or silvicultural treatment, in partially harvested Acadian Forest mixedwood stands, and also indicated the potential for composition control through selective overstory removal. © 2013 Elsevier B.V. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/66430
Appears in Collections: 影响、适应和脆弱性
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作者单位: School of Forest Resources, University of Maine, 5755 Nutting Hall, Orono, ME 04469, United States; USDA Forest Service, Northern Research Station, 686 Government Road, Bradley, ME 04411, United States; USDA Forest Service, Northern Research Station, 271 Mast Road, Durham, NH 03824, United States
Recommended Citation:
Bataineh M.,Kenefic L.,Weiskittel A.,et al. Influence of partial harvesting and site factors on the abundance and composition of natural regeneration in the Acadian Forest of Maine, USA[J]. Forest Ecology and Management,2013-01-01,306