DOI: 10.1016/j.foreco.2017.03.036
Scopus记录号: 2-s2.0-85017243916
论文题名: Canopy space filling rather than conventional measures of structural diversity explains productivity of beech stands
作者: Juchheim J. ; Ammer C. ; Schall P. ; Seidel D.
刊名: Forest Ecology and Management
ISSN: 0378-1127
出版年: 2017
卷: 395 起始页码: 19
结束页码: 26
语种: 英语
英文关键词: Biomass distribution
; Crown structure
; Fagus sylvatica L.
; Forest management
; Periodic annual increment
; Stand density
; Terrestrial laser scanning
Scopus关键词: Filling
; Laser applications
; Productivity
; Steel beams and girders
; Surface analysis
; Surveying instruments
; Biomass distribution
; Crown structure
; Fagus sylvatica L
; Periodic annual increment
; Stand densities
; Terrestrial laser scanning
; Forestry
; Fagus
; Fagus sylvatica
英文摘要: Silvicultural success in achieving, among other management goals, maximum productivity strongly depends on knowledge of the relationship between stand density and the resulting growth response of a stand. However, there are still controversial discussions whether wood production can be enhanced by silvicultural thinning or reaches its maximum in unmanaged forest stands if time plays no role. Moreover there is no universal answer whether structural diversity promotes or reduces productivity. In the present study we applied terrestrial laser scanning (TLS) to investigate the relationship between three-dimensional space filling, forest management intensity, productivity and conventional measures of structural diversity. We examined 35 beech-dominated forest plots along a gradient of management intensity in three regions of Germany. We found that space filling in leaf-on condition increased with management intensity, particularly in the shaded crown. Increased space filling in the shaded crown due to tree removals also resulted in higher stand productivity. We conclude that an increased space filling in the shaded canopy of managed European beech stands is responsible for the compensation of production losses in the upper canopy due to thinning activities. Conventional measures of structural diversity were not sensitive to the applied silvicultural activities. We also found no relationship between structural diversity described by conventional measures and stand productivity. © 2017 Elsevier B.V. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/64353
Appears in Collections: 影响、适应和脆弱性
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作者单位: Department of Forest Ecology and Silviculture of the Temperate Zones, Faculty of Forest Science, University of Göttingen, Büsgenweg 1, Göttingen, Germany
Recommended Citation:
Juchheim J.,Ammer C.,Schall P.,et al. Canopy space filling rather than conventional measures of structural diversity explains productivity of beech stands[J]. Forest Ecology and Management,2017-01-01,395