TAILIEUCHUNG - Báo cáo lâm nghiệp: "A decision support system to simulate and compare silvicultural scenarios for pure even-aged larch stands"

Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp Original article đề tài: A decision support system to simulate and compare silvicultural scenarios for pure even-aged larch stands. | Ann. For. Sci. 64 2007 345-353 INRA EDP Sciences 2007 DOI forest 2007011 345 Original article A decision support system to simulate and compare silvicultural scenarios for pure even-aged larch stands Dominique Pauwels Philippe LEJEUNE Jacques RONDEUX Gembloux Agricultural University Unit of Forest and Nature Management 2 Passage des Déportés 5030 Gembloux Belgium Received 28 April 2006 accepted 25 August 2006 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. Larix silviculture decision support system multi-criteria analysis Electre III Résumé - Système interactif d aide à la decision pour simuler et comparer des scenarios sylvicoles pour des peuplements purs équiennes de mélèze. Un système d

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