NDLI: A decision support system to simulate and compare silvicultural scenarios for pure even-aged larch stands

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A decision support system to simulate and compare silvicultural scenarios for pure even-aged larch stands

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Annals of Forest Science : Volume 64, Issue 2, January 2007

Annals of Forest Science : Volume 64, Issue 1, January 2007

A decision support system to simulate and compare silvicultural scenarios for pure even-aged larch stands

Content Provider	Springer Nature Link
Author	Pauwels, Dominique Lejeune, Philippe Rondeux, Jacques
Copyright Year	2007
Abstract	In sustained forest management, it is particularly useful to test the adequacy of various silvicultural scenarios, but decision-making is also becoming increasingly complex because forest managers have to simultaneously meet several different objectives in response to society demands. In order to help forest managers make appropriate choices in silvicultural systems, we propose a SDSS (Silvicultural Decision Support System) that applies to pure and even-aged larch stands (Larix sp.) in lowland areas where site conditions are similar to those encountered in Southern Belgium. Its main purpose is (i) to predict the influence of silvicultural treatments on stand evolution and (ii) assist forest managers in comparing different scenarios with respect to predefined goals. This SDSS consists in three modules designed to elaborate silvicultural scenarios involving (i) stand growth prediction and thinning simulation; (ii) assessment of indicators selected to define the scenarios referring to wood production, financial, technico-economic and ecological components, tree stability and wood quality; and (iii) comparison of the scenarios on the basis of the set of previously assessed indicators (multi-criteria analysis). User-friendly “MGC_Larch” software helps managers to formulate, evaluate and compare different silvicultural scenarios for larch.Un système d’aide à la décision sylvicole (SADS) a été développé pour la sylviculture de peuplements équiennes purs de mélèzes [mélèze d’Europe (Larix decidua Mill.), mélèze du Japon (Larix kaempferi (Lamb.) Carr.), et mélèze hybride (Larix eurolepis Henry)] en Région wallonne (Belgique méridionale). Les objectifs de ce SAD sont : (i) de prédire l’influence de traitements sylvicoles sur l’évolution et la croissance des peuplements et (ii) de guider le choix des sylviculteurs vers un scénario répondant le mieux possible aux objectifs fixés. Ce système comporte 3 modules qui prennent respectivement en charge : (i) la simulation de la croissance en relation avec la densité de plantation initiale, le traitement sylvicole et la productivité de la station (construction de scénarios), (ii) le calcul d’un ensemble d’indicateurs caractérisant les scénarios et (iii) la comparaison par analyse multicritère des performances des scénarios en regard des indicateurs pris en considération. Les indicateurs utilisés sont de nature financière, technico-économique et écologique. Ils caractérisent la production ligneuse de manière quantitative et qualitative tout en évaluant les risques sylvicoles encourus en cas d’aléas climatiques (chablis). Le SAD est intégré dans le logiciel avec interface Windows appelé “ MGC_Larch ” (Make Good Choice for Larch).
Starting Page	345
Ending Page	353
Page Count	9
File Format	PDF
ISSN	12864560
Journal	Annals of Forest Science
Volume Number	64
Issue Number	3
e-ISSN	1297966X
Language	French
Publisher	Springer Netherlands
Publisher Date	2007-01-01
Publisher Institution	Institut National de la Recherche Agronomique (INRA)
Publisher Place	Dordrecht
Access Restriction	Subscribed
Subject Keyword	Forestry Wood Science & Technology Forestry Management Tree Biology Environment
Content Type	Text
Resource Type	Article
Subject	Ecology Forestry

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