Article (Scientific journals)
A review of the characteristics of black alder (Alnus glutinosa (L.) Gaertn.) and their implications for silvicultural practices
Claessens, Hugues; Oosterbaan, Anne; Savill, Peter et al.
2010In Forestry, 83 (2), p. 163-175
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Keywords :
silviculture; black alder; Alnus glutinosa; sylviculture; aulne glutineux
Abstract :
[en] Black alder is a scattered, widespread and short-lived species that thrives in low-lying damp and riparian places. It has a use in flood control, stabilization of riverbanks and in functioning of the river ecosystems. To thrive, precipitation must exceed 1500 mm if access to groundwater is not possible. Alders are unusual among European trees in that they fix nitrogen. To regenerate naturally, alder requires high levels of both light and moisture, usually achievable only on disturbed sites. Growth rates up to ages 7–10 are very fast but then slow rapidly. Sixty to seventy years is the maximum rotation for growing timber if heart rot is to be avoided. Maximum mean annual increments range from 4 to 14 m3 ha21 year21. Alder wood is used for energy, as fibre for paper and particle board and, most profitably, in joinery as solid wood or veneer. Logs must be at least 3 m long and ideally 50–60 cm diameter. Aspects of plantation silviculture are discussed with emphasis on thinning, which needs to be started early and to be heavy and frequent around selected final crop trees to achieve marketable timber before heart rot sets in.
Disciplines :
Agriculture & agronomy
Phytobiology (plant sciences, forestry, mycology...)
Author, co-author :
Claessens, Hugues ;  Université de Liège - ULiège > Gembloux Agro-Bio Tech
Oosterbaan, Anne;  Wageningen UR > Alterra
Savill, Peter;  University of Oxford > Oxford Forestry Institute
Rondeux, Jacques ;  Université de Liège - ULiège > Gembloux Agro-Bio Tech
Language :
Title :
A review of the characteristics of black alder (Alnus glutinosa (L.) Gaertn.) and their implications for silvicultural practices
Publication date :
January 2010
Journal title :
Publisher :
Oxford University Press
Volume :
Issue :
Pages :
Peer reviewed :
Peer Reviewed verified by ORBi
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since 09 February 2010


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