Features of Model for Forest Management and decision support
Model Name : Laricio
| Forest Model name | Laricio |
| Last update | 2011-04-29 |
| Year | 1998 |
| Author | Meredieu C. |
| Contact | |
| Organisation | CEMAGREF; IDF; INRA |
| Country | France |
| Category | Growth |
| Model type | Empirical growth & Yield models |
| Sub-type | Distance independent tree model |
| Level | Tree |
| Time step | Year |
| Time scale | Long term |
| Stochasticity | Deterministic |
| Range of applicabiilty (region, ...) | Center region (France) |
| Site | |
| Stand composition | Monospecific |
| Forest structure | Even |
| Species | Pinus nigra ssp. Laricio |
| Sylvicultural system | Clear cutting |
| Tree range | |
| Stand range | |
| State variables - Growth | Dominant height; Number of trees per hectare; Total volume |
| State variables - Initialization | Dominant height; Number of trees per hectare |
| State variables - Prediction | |
| State variables - Stochastic for | |
| Distribution diameter variables - growth | |
| Distribution diameter variables - initialization | |
| Distribution diameter variables - prediction | |
| Distribution diameter variables - stochasticity for | |
| Tree variables - growth | Diameter at Breast Height; Stem height; Taper functions; Tree Height; Tree life status (Alive/dead) |
| Tree variables - Initialisation | |
| Tree variables - prediction | |
| Tree variables - stochasticity for | |
| Growth processes | |
| Regeneration processes at stand level | |
| Regeneration processes at sapling level | |
| Hazards | |
| Submodule : Sylvicultural practicies | Clear cutting; Initial density (seedling, plantation); Thinning |
| Submodel : Climate parameters | Site index |
| Input state variables | Age; Distribution of diameters; Dominant height |
| Human inputs | % of trees to remove (thinning); Basal area to remove (thinning); Number of trees at planting; Number of trees to remove; Rotation length; Thinning scenario; Volume of trees to remove |
| Climate inputs | Site index |
| Output state variable | Distribution dimension; Stand : area; Stand : basal area; Stand : dominant diameter; Stand : dominant height; Stand : harvest timber volume; Stand : mean diameter; Stand : medium height; Stand : merchantable volumes over bark; Stand : merchantable volumes under bark; Stand : mortality; Stand : Number of trees per hectare; Stand : Site index; Stand: Age; Stand: mean annual volume increment (MAI); Stand: quadratic mean diameter; Stand: total volume; Tree : Diameter at Breast Height; Tree : Height; Tree : life status (Alive/dead); Tree : Stem height; Tree: Basal area |
| Quantity products | Merchantable volumes over bark |
| Quality pulp | |
| Quality construction | |
| Quality cork | |
| Simulator name | Capsis; WinEpifn |
| Stand Simulator version | |
| Stand Simulator hardware | |
| Stand Simulator memory | |
| Stand Simulator OS | |
| Stand Simulator language | Java |
| Stand Simulator characteristics | |
| Stand Simulator indicators | |
| Stand Simulator visualization | |
| Landscape Simulator name | |
| Landscape Simulator version | |
| Landscape Simulator hardware | |
| Landscape Simulator memory | |
| Landscape Simulator OS | |
| Landscape Simulator language | |
| Landscape Simulator characteristics | |
| Landscape Simulator indicators | |
| Landscape Simulator visualization | |
| Reference | |
| Bibliography | Meredieu, C., F. Colin, et al. (1998). Modelling branchiness of Corsican pine with mixed-effect models (Pinus nigra Arnold ssp. laricio (Poiret) Maire). Ann. Sci. For 55: 359-374. Meredieu C., Dreyfus. P., Saint-André L. and Leban J.M., 1999. A chain of models from tree growth to properties of boards for Pinus nigra ssp. laricio Arn. : simulation using CAPSIS ©INRA and WinEpifn ©INRA. In IUFRO workshop S5.01-04 "Connection between silviculture and wood quality through modelling approaches and simulation software", La Londe-les-Maures (France), September 1999, G. Nepveu (éd.) ERQB-INRA 1999/2, 505-513. Meredieu C., 1998. Croissance et branchaison du Pin laricio (Pinus nigra Arnold ssp. laricio Poiret Maire) : Élaboration et évaluation d’un système de modèles pour la prévision de caractéristiques des arbres et du bois. Thèse de doctorat, Université Claude Bernard Lyon I. 250p. + annexes. Meredieu C., Dreyfus P. et Riou-Nivert P., 2001. L’apport de la modélisation pour le sylviculteur de pin laricio : simulation de scénarios sylvicoles. Forêt-Entreprise, 137, 38-46. Site CAPSIS |
| Equations | |
| Context | CAQ group |
| URL | http://www.pierroton.inra.fr/Croissance/index.html |
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