globalchange  > 影响、适应和脆弱性
DOI: 10.1016/j.foreco.2016.10.059
Scopus记录号: 2-s2.0-85007291001
论文题名:
Climate influences on the maximum size-density relationship in Scots pine (Pinus sylvestris L.) and European beech (Fagus sylvatica L.) stands
作者: Condés S.; Vallet P.; Bielak K.; Bravo-Oviedo A.; Coll L.; Ducey M.J.; Pach M.; Pretzsch H.; Sterba H.; Vayreda J.; del Río M.
刊名: Forest Ecology and Management
ISSN:  0378-1127
出版年: 2017
卷: 385
起始页码: 295
结束页码: 307
语种: 英语
英文关键词: Competition equivalence coefficients ; Martonne ; Mixing proportions ; Reineke's maximum density line ; Self-thinning ; Stand density index ; Yield level
Scopus关键词: Climate models ; Mixing ; Martonne ; Maximum density ; Mixing proportions ; Self-thinning ; Stand density index ; Yield level ; Forestry ; boundary ; climate effect ; competition (ecology) ; coniferous forest ; diameter ; environmental factor ; forest inventory ; humidity ; population density ; self thinning ; silviculture ; size structure ; spatial distribution ; statistical analysis ; Austria ; France ; Germany ; Poland [Central Europe] ; Spain ; Fagus ; Fagus sylvatica ; Pinus sylvestris
英文摘要: The maximum size-density relationship (MSDR) reflects the boundary site occupancy and the self-thinning line for a given species, being a useful tool in forestry. Studies focusing on the MSDR often do not cover the whole distribution of the studied species, which results in different boundaries for a given species in different regions. A common MSDR is lacking for the increasingly demanded large-scale studies. However, this information is important where silvicultural responses must be prioritized among monospecific stands or where comparisons among maximum and relative stand densities between and within species are required. For the purposes of this study, we used data from 9911 sample plots located in Scots pine and European beech monospecific stands. Both of these species are of considerable importance and widely distributed throughout Europe. The data came from National or Regional Forest Inventories of five European countries (Austria, Germany, France, Spain and Poland) and therefore were distributed across a wide range of climatic conditions. The main aim of this study was to determine whether the MSDR of these species depends on environmental variables and to develop a MSDR model for each species that explain this variability along a climate gradient. The resulting models showed that both parameters of species boundary lines were climate-dependent, but that the pattern of variation differed between species. Hence, the higher the humidity, the steeper the MSDR (more negative exponent) and the higher the intercept for beech, while in the case of pine, the higher the humidity, the straighter the MSDR and the lower the intercept. According to these models, the stand density indices, for a reference diameter of 25 cm, varied with the humidity in a different way for each species. Consequently, the ratio between the two species increases with humidity, although it also depends on stand diameter. These results are in accordance with the yield level theory and could contribute to the development of more precise silvicultural guidelines and growth models based on the self-thinning line. Moreover, they are of particular importance in the discussion of growth and the effects of mixing on mixed species stands. © 2016 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/64552
Appears in Collections:影响、适应和脆弱性

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作者单位: Department of Natural Systems and Resources, School of Forestry, Technical University of Madrid, Madrid, Spain; Irstea - Unité Ecosystèmes Forestiers, Nogent-Sur-Vernisson, France; Department of Silviculture, Warsaw University of Life Sciences, Warsaw, Poland; INIA, Forest Research Centre, Dpt. of Silviculture and Forest Management, Madrid, Spain; Sustainable Forest Management Research, Institute University of Valladolid & INIA, Madrid, Spain; Forest Sciences Centre of Catalonia (CTFC), Solsona, Spain; Department of Agriculture and Forest Engineering (EAGROF), University of Lleida, Lleida, Spain; Department of Natural Resources and the Environment, University of New Hampshire, Durham, NH, United States; Department of Silviculture, Institute of Forest Ecology and Silviculture, University of Agriculture, Kraków, Poland; Chair for Forest Growth and Yield Science, Technische Universität München, Freising, Germany; Department of Forests and Soil Sciences, BOKU University of Natural Resources and Life Sciences, Vienna, Austria; CREAF, Universitat Autònoma Barcelona, Cerdanyola del Vallès, Spain

Recommended Citation:
Condés S.,Vallet P.,Bielak K.,et al. Climate influences on the maximum size-density relationship in Scots pine (Pinus sylvestris L.) and European beech (Fagus sylvatica L.) stands[J]. Forest Ecology and Management,2017-01-01,385
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