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SILVES - Pinus sylvestris in Madrid

Status: Stable | Version: v1.0.0 (2026-08-28)

General description

  • Description: Dynamic stand model for Pinus sylvestris in Madrid (Spain)
  • Target Species: Pinus sylvestris (code: 21)
  • Application Region: Madrid (Spain)

Technical characteristics

  • Model Level: Stand
  • Allows Projection: Yes
  • Projection Time Step: 10, 15 years
  • Notes: There is a variant for the Iberian System and the Central System.

To view the step-by-step sequence of initialization, time projection, and harvest, see the stand-level model calculation flow diagram.

Required variables

To run this model in SIMANFOR, the initial inventory must include the following minimum data:

Plot level (Plots sheet)

  • Inventory and plot IDs
  • age
  • dominant height
  • density
  • basal area

Sample inventories

You can download the following sample inventories in Excel format to test this model:

Modules and equations

Breakdown of simulated biological processes and their methodological references:

  • Reference forest growth model: del Río et al. (2005)
  • Harvest / Silvicultural treatments (model-specific): del Río et al. (2005)
  • Stand Density Index (SDI) reference value: del Rı́o et al. (2001)

References and documentation

  • How to Cite this Model:

SIMANFOR, 2026. Dynamic stand model for Pinus sylvestris in Madrid (Spain) (v1.0.0). https://www.simanfor.es

  • SIMANFOR Citation:

Bravo, F., Ordóñez, C., Vázquez-Veloso, A., Michalakopoulos, S., 2025. SIMANFOR cloud Decision Support System: Structure, content, and applications. Ecological Modelling 499, 110912. https://doi.org/10.1016/j.ecolmodel.2024.110912

  • Technical Documentation: SIMANFOR Models Repository (GitHub)

  • Model Bibliography:

  • del Rı́o, Miren, Montero, Gregorio, Bravo, Felipe (2001). Analysis of diameter–density relationships and self-thinning in non-thinned even-aged Scots pine stands. Forest Ecology and Management, 142(1-3), 79-87. 10.1016/S0378-1127(00)00341-8
  • del Río, M., Roig, S., Cañellas, I., Montero, G. (2005). Programación de claras en repoblaciones de Pinus sylvestris L. Seguimiento de sitios de ensayo en la Comunidad de Madrid.