Universidad Nacional de Educación a Distancia

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Universidad Nacional de Educación a Distancia - UNED

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(+34) 91398-7219

Formación Académica

1997-2004 PhD thesis. Title: Methodological Contributions to the analysis of non-linear models in mathematical ecology. Universidad Nacional de Educación a Distancia (UNED). Madrid. Supervisor: V. Fairén le Lay;

1991-1996 MSc in Physics (Theoretical Physics). Autonomous University of Madrid (UAM).

Puestos académicos desempeñados

2011-present Associate Professor (Profesor Contratado Doctor). Mathematical and Fluid Physics Department, UNED (Spain).

2006-2011 Permanent position as Assistant Lecturer (Profesor Colaborador). Mathematical and Fluid Physics Department, UNED (Spain).

2001-2006 Assistant Lecturer (Profesor ayudante)

1997-2001 PhD student at Mathematical and Fluid Physics Department, UNED (Spain). Granted by “Comunidad Autónoma de Madrid”. Laboratory tutor at the Fundamental Physics Department, UNED.

Actividad Investigadora

Enlace al Perfil en Research gate

Enlace al Perfil en ORCID

Líneas de investigación.

-Cambio climático y Evaluación Ambiental

-Modelización matemática en ecología:

-Mortalidad en incendios forestales

-Facilitación en comunidades vegetales

-Stress Gradient Hypothesis

-Vulnerabilidad de los pinares ibéricos frente al cambio climático

-Formación de patrones espaciales de vegetación


N.º de tramos reconocidos de actividad investigadora



  • Publications

    Sarneel, J.M., Hefting, M.M., Visser, E.J.W., Díaz-Sierra, R., Voesenek, L.A.C.J. & Kowalchuk, G.A. (2022) Species traits interact with stress level to determine intraspecific facilitation and competition. Journal of Vegetation Science, 33, e13145. https://doi.org/10.1111/jvs.13145

    Rodrigo Balaguer-Romano, Rubén Díaz-Sierra, Miquel De Cáceres, Àngel Cunill-Camprubí, Rachael H. Nolan, Matthias M. Boer, Jordi Voltas, Víctor Resco de Dios, A semi-mechanistic model for predicting daily variations in species-level live fuel moisture content, Agricultural and Forest Meteorology, Volume 323, 2022, 109022, ISSN 0168-1923, https://doi.org/10.1016/j.agrformet.2022.109022.

    Verwijmeren, M., Baudena, M., Wassen, M., Díaz-Sierra, R., Smit, C., and Rietkerk, M.. 2021. Intra-seasonal rainfall variability and herbivory affect the interaction outcome of two dryland plant species. Ecosphere 12( 4):e03492. 10.1002/ecs2.3492

    Balaguer-Romano, R.; Díaz-Sierra, R.; Madrigal, J.; Voltas, J.; Resco de Dios, V. Needle Senescence Affects Fire Behavior in Aleppo Pine (Pinus halepensis Mill.) Stands: A Simulation Study. Forests 202011, 1054. https://doi.org/10.3390/f11101054

    Karavani, A., Boer, M.M., Baudena, M., Colinas, C., Díaz-Sierra, R., Pemán, J., de Luis, M., Enríquez-de-Salamanca, Á. and Resco de Dios, V. (2018), Fire-induced deforestation in drought-prone Mediterranean forests: drivers and unknowns from leaves to communities. Ecol Monogr, 88: 141-169. https://doi.org/10.1002/ecm.1285

    Álvaro Enríquez-de-Salamanca, Rubén Díaz-Sierra, Rosa M. Martín-Aranda, Maria J. Santos, Environmental impacts of climate change adaptation, Environmental Impact Assessment Review,
    Volume 64, 2017, Pages 87-96, ISSN 0195-9255, https://doi.org/10.1016/j.eiar.2017.03.005

    Álvaro Enríquez-de-Salamanca, Rosa M. Martín-Aranda, Rubén Díaz-Sierra, Potential of land use activities to offset road traffic greenhouse gas emissions in Central Spain, Science of The Total Environment, Volumes 590–591, 2017, Pages 215-225, ISSN 0048-9697,

    Enríquez-de-Salamanca, Á.; Martín-Aranda, R.M.; Diaz-Sierra, R. Towards an integrated environmental compensation scheme in Spain: Linking biodiversity and carbon offsets. J. Environ. Assess. Policy Manag. 2017, 19, 1750006

    Díaz-Sierra, R., Verwijmeren, M., Rietkerk, M., de Dios, V.R. and Baudena, M. (2017), A new family of standardized and symmetric indices for measuring the intensity and importance of plant neighbour effects. Methods Ecol Evol, 8: 580-591. https://doi.org/10.1111/2041-210X.12706

    Enríquez-de-Salamanca Á, Martín-Aranda RM, Díaz-Sierra R. 2016. Consideration of climate change on environmental impact assessment in Spain. Environmental Impact Assessment Review 57: 31–39.1  

    M. Moreno-de las Heras, R. Díaz-Sierra; et al. 2015 Assessing vegetation structure and anpp dynamics in a grassland-shrubland chihuahuan ecotone using ndvi-rainfall relationships. Biogeosciences, 12, 2907-2925

    V. Resco de Dios, R. Díaz-Sierra et al. 2013. Woody clockworks: circadian regulation of nocturnal water use in Eucalyptus globulus. New Phytologist 200, 743-752

    Víctor Resco de Dios, Michael L. Goulden, Kiona Ogle, Andrew D. Richardson, David Y. Hollingerk, Eric A. Davidson, Josu G. Alday, Greg A. Barron-Gafford, Arnaud Carrara, Andrew S. Kowalskikk, Walt C. Oechel, Borja R. Reverterkk, Russell L. Scott, Ruth K. Varner, Rubén Díaz-Sierra y José M. Moreno. Endogenous circadian regulation of carbon dioxide exchange in terrestrial ecosystems.  Global Change Biology (2012), doi: 10.1111/j.1365-2486.2012.02664.x 

    M. Moreno de las Heras, R. Díaz-Sierra, J.M. Nicolau, M.A. Zavala, Evaluating restoration of man-made slopes: a threshold approach balancing vegetation and rill erosion, Earth Surface Processes and Lanforms (2011) DOO: 10.1002/esp.2160

    J.M. Villalba, A.J. Barbero, R. Díaz-Sierra, E. Arribas, M.J. Garcia-Meseguer, F. Garcia-Sevilla, M. Garcia-Moreno, J.A. Vidal de Labra, R. Varon, Computerized Evaluation of Mean Residence Times in Multicompartmental Linear System and Pharmacokinetics, Journal of Computational Chemistry, V.32 (2011) pp. 915-931

    Y. Pueyo, S. Kéfi, R. Díaz-Sierra, C.L. Alados, M. Rietkerk, The role of reproductive plant traits and biotic interactions in the dynamics of semi-arid plant communities. Theoretical Population Biology, V.78 (2010) pp. 289-297

    R. Díaz-Sierra, M. Zavala, M. Rietkerk, Positive interactions, discontinuous transitions and species coexistence in plant communities, Theoretical Population Biology, V. 77 (2010) pp.131-144 DOI:10.1016/j.tpb.2009.12.001

    R. Díaz-Sierra, M. Zavala. Modelos Espacialmente Explícitos, in ‘Introducción al análisis espacial de datos en ecología y ciencias ambientales: métodos y aplicaciones’, Fernando T. Maestre, Adrián Escudero y Andreu Bonet (ed.) Colección Ciencias Experimentales y Tecnología, ISBN 97 ISBN: 978-84-9849-308-5, Editorial Dykinson (2008)

    M. Zavala, R. Díaz-Sierra, D. Purves, G. Zea, I. Urbieta. Modelos Espacialmente Explícitos, Ecosistemas 2006/3

    R. Díaz-Sierra, A. Figueiredo, T. M. Rocha Filho, Stability and Basins of Attraction of Invariant Surfaces, Physica D, Vol. 219(1)/ pp. 80-92/ (2006)

    R. Díaz-Sierra, V. Fairén. New method for the estimation of domains of attraction of fixed points from Lyapunov functions. International Journal of Bifurcation and Chaos. V.12(11), pp.2467-2477, (2002)

    R. Díaz-Sierra, V. Fairén, Simplified method for the computation of parameters of power-law rate equations from time-series. Mathematical biosciences. Vol 171, pp. 1-19 (2001)

    R. Díaz-Sierra, J.B. Lozano, V. Fairén. Deduction of chemical mechanisms from the linear response around steady state. Journal of Physical Chemistry A. Vol 103(3), pp. 337-343. (1999)

    R. Díaz-Sierra, B. Hernández-Bermejo, V. Fairén, Graph-theoretic description of the interplay between non-linearity and connectivity in biological systems, Mathematical Biosciences. Vol. 156, pp. 229-253 (1999)

  • Conferences & Presentations

    -Conference paper: El cambio climático en la evaluación de impacto ambiental de infraestructuras de transporte: contribución, impactos, mitigación y adaptación. A. Enríquez de Salamanca, R. María Martín Aranda, R. Díaz Sierra. VII Congreso de Ingeniería Civil, Madrid, March 2016.

    -Poster: A rill erosion-vegtation threshold analysis approach for the assessment of restoration success in water-limited reclaimed ecosystems, J.M. Nicolau, M. Moreno de las Heras, R. Díaz-Sierra, M.A. Zavala, AGU Fall Meeting, San Francisco, Estados Unidos, Diciembre 2010.

    -Poster: bioCelTer: A computer program that obtains mean residence times in any multicompartmental linear system, J.M. Villalba,  E. Arribas, M.J. Garcia-Meseguer, A.J. Barbero, M. Garcia-Moreno, F. Garcia-Sevilla, R. Díaz-Sierra, R. Varon. 8th Conference on Computational Chemistry, Lund, Suecia, Agosto 2010

    -Poster: The role of positive interactions and dispersal strategies in the dynamics of semi-arid plant communities, Y. Pueyo, S. Kéfi, R. Díaz-Sierra, C.L. Alados, M. Rietkerk, BES Sumposium, Facilitation in Plant Communities, Aberdeen, Gran Bretaña, Abril 2009.

    -Oral Communication: Resilience vs. Bassins of attraction: an estimation based on Lyapunov's second method, R. Díaz-Sierra, V. Fairén, Alcalá 2nd. International Conference on Mathematical Ecology, Alcalá de Henares, España, Septiembre 2003

    -Oral Communication, Rings of functions and basins of attraction of invariant surfaces, R. Díaz Sierra, A. Dias de Figueiredo, T.M. da Rocha filho, Luminy-Workshop Cathode 2, Luminy, Marsella, Francia,. 4-7 abril 2000

    -Poster, Modelling from the response to excitations in the linear regime, R. Díaz-Sierra, V. Fairén, Alcalá 1st International Conference on Mathematical Ecology, Alcalá de Henares, Madrid, España, 4-8 septiembre 1998   -Poster, EDO’s no lineales generales: algoritmos de transformación hacia nuevas representaciones, R. Díaz-Sierra, V. Fairén, No-Lineal 97, Ávila, España,  10-12 abril 1997  


Otras Actividades

Cursos de verano


Formación permanente



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