Departamental II – DII. 208
Area of Biodiversity and Conservation
Universidad Rey Juan Carlos
c/ Tulipán, s/n.
E-28933 Móstoles (Madrid)

Phone: +34 91 488 8103
Fax:      +34 91 664 7490
E-mail: rosa.viejo at

Short CV

1989 – Degree in Biological Sciences (Universidad de Oviedo)
1996 – PhD Thesis in Biological Sciences (Universidad de Oviedo)

Current position

Associate professor (senior lecturer).
Head of the department.

I teach Management of Protected Areas in the degree in Environmental Sciences and Ecology in the degree in Biology.

Research interests

Ecology of intertidal assemblages of rocky shores:

  • Population dynamics of seaweeds in their distribution limit
  • Impact of invasive species: the case of Sargassum muticum
  • Plant-animal interations in marine systems
  • Disturbance and recovery on rocky shores

Duarte, L.; Viejo, R. M. (2018). Environmental and phenotypic heterogeneity of populations at the trailing range-edge of the habitat-forming macroalga Fucus serratus. Marine Environmental Research 136: 16-26.

García, A. G.; Olabarria, C.; Arrontes, J.; Álvarez, O.; Viejo, R. M. (2018). Spatio-temporal dynamics of Codium populations along the rocky shores of N and NW Spain. Marine Environmental Research 140: 394-402.

Duarte, L.; Rossi, F.; Docal, C.; Viejo, R. M. (2015). Effects of alga Fucus serratus decline on benthic assemblages and trophic linkages at its retreating southern range edge. Marine Ecology Progress Series 527: 87-103.

Martínez, B.; Arenas, F.;  Trilla, A.; Viejo, R. M.; Carreño, F. (2015). Combining physiological threshold knowledge to species distribution models is key to improving forecasts of the future niche for macroalgae. Global Change Biology 21: 1422-1433.

Méndez, M.; Escudero, A.; Iriondo, J. M.; Viejo, R. (2015). Demography gone wild in native species: four reasons to avoid the term «native invader». Web Ecology 14: 85-87.

Cacabelos, E.; Olabarria ,C.; Viejo, R. M.; Rubal, M.; Veiga, P.; Incera, M.; Gestoso, I; Vaz-Pinto, F.; Mejía, A.; Engelen, A. H.; Arenas, F. (2013). Invasion of Sargassum muticum in intertidal rockpools: patterns along the Atlantic Iberian Peninsula. Marine Environmental Research 90: 18-26.

Duarte, L.; Viejo, R. M.; Martínez, B.; deCastro, M.; Gómez-Gesteira, M.; Gallardo, T. (2013). Range shifts of two macroalgae in North Spain and the link with trends in sea surface temperature. Acta Oecologica 51: 1-10.

Olabarria, C.; Arenas, F.; Viejo, R. M.; Gestoso, I.; Vaz-Pinto, F.; Incera, M.; Rubal, M.; Cacabelos, E.; Veiga, P.; Sobrino, C. (2013). Response of macroalgal assemblages from rockpools to climate change: effects of persistent increase in temperature and CO2. Oikos 122: 1065-1079.

Martínez, B.; Arenas, F.; Rubal, M.; Burgués, S.; Esteban, R.; García-Plazaola, I.; Figueroa, F. L.; Pereira, R.; Saldaña; L.; Sousa-Pinto, I.; Trilla, A.; Viejo, R. M. (2012). Physical factors driving intertidal macroalgae distribution: physiological stress of a dominant fucoid at its southern limit. Oecologia 170: 341-353.

Martínez, B.; Viejo, R. M.; Carreño, F.; Aranda, S. C. (2012). Habitat distribution models for intertidal seaweeds: responses to climatic and non-climatic drivers. Journal of Biogeography 39:1877-1890.

Viejo, R. M.; Martínez, B.; Arrontes, J.; Astudillo, C.; Hernández, L. (2011). Reproductive patterns in central and marginal populations of a large brown seaweed: drastic changes at the southern range limit. Ecography 34: 75-84.

Viejo, R. M. (2009). Resilience in intertidal rocky shore assemblages across the stress gradient created by emersion times. Marine Ecology Progress Series 390: 55-65.

Viejo, R. M.; Arenas, F.; Fernández, C.; Gómez, M. (2008). Mechanisms of succession along the emersion gradient in intertidal rocky shore assemblages. Oikos 117: 376-389.

Martínez, B.; Viejo, R. M.; Rico, J. M.; Rødde, R. H.; Faes, V. A.; Oliveros, J.; Álvarez, D. (2006). Open sea cultivation of Palmaria palmata (Rhodophyta) on the northern Spanish coast. Aquaculture 254: 376-387.

Arrontes, J.; Arenas, F.; Fernández, C.; Rico, J. M.; Oliveros, J.; Martínez, B.; Viejo, R. M.; Álvarez, D. (2004). Effect of grazing by limpets on mid-shore species assemblajes in northern Spain. Marine Ecology Progress Series 277: 117-133.

Cervin, G.; Lindegarth, M.; Viejo, R. M.; Åberg ,P. (2004). Effects of small-scale disturbances of canopy and grazing on intertidal assemblages on the Swedish west coast. Journal of Experimental Marine Biology and Ecology. 302: 35-49.

Faes, V. A.; Viejo, R. M. (2003). Structure and dynamics of a population of Palmaria palmata in northern Spain. Journal of Phycology 39: 1038-1049.

Viejo, R. M.; Åberg, P. (2003). Temporal and spatial variation in the density of mobile epifauna and grazing damage on the seaweed Ascophyllum nodosum. Marine Biology 142:1229-1241.

Arenas, F.; Viejo, R. M.; Fernández, C. (2002). Density-dependent regulation in an invasive seaweed: responses at plant and modular levels. Journal of Ecology 90: 820-829.

Viejo, R. M.; Åberg, P. (2001). The effects of density on the vital rates of a modular seaweed. Marine Ecology Progress Series 221: 105-115.

Viejo, R. M.; Åberg, P.; Cervin, G.; Lindegarth, M. (1999). The interactive effects of canopy of adults, grazing and germling density on germling survival of a common brown seaweed. Marine Ecology Progress Series 187: 113-120.

Viejo, R. M. (1999). Mobile epifauna inhabiting the invasive Sargassum muticum and two local seaweeds in northern Spain. Aquatic Botany 64: 131-149.

Andrew, N. L.; Viejo, R. M. (1998). Effects of wave-exposure and intraspecific density  on the growth and survivorship of Sargassum muticum (Sargassaceae: Phaeophyta). European Journal of Phycology 33: 251-258.

Andrew, N. L.; Viejo, R. M. (1998). Ecological limits to the invasion of Sargassum muticum in northen Spain. Aquatic Botany, 60: 251-263.

Viejo, R. M. (1997). The effects of colonization by Sargassum muticum on tidepool macroalgal assemblages. J. Mar. Biol. Ass. U.K. 77: 325-340.

Viejo, R. M.; Arrontes, J.; Andrew, N. L. (1995). An experimental evaluation of the effect of wave-action on the distribution of Sargassum muticum in northern Spain. Botanica Marina 38: 437-441.

Viejo, R. M.; Arrontes, J. (1992). Interactions between mesograzers inhabiting Fucus vesiculosus. Journal of Experimental Marine Biology and Ecology 162: 97-111.