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Rosa Trobajo

CARGO: Investigadora
TELÉFONO 977 74 54 27 (centro)

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Información profesional:



  • 2003: PhD in Biology, University of Girona. Thesis title: Ecological analysis of periphytic diatoms in Mediterranean coastal wetlands (Empordà wetlands, NE Spain).
  • 1998: MSc in Environmental Management, University of Girona
  • 1992: BSc in Biology, Autonomous University of Barcelona


  • 2006-Present: Researcher at IRTA Aquatic Ecosystems, Catalonia, Spain
  • 2004-2006: Marie Curie Intra-European Fellowship at the Department of Botany, Natural History Museum of London, U.K.
  • 2000-2004: Teaching assistant, Department of Environmental Sciences, University of Girona, Spain.
  • 1998-1999: Research Fellowship, Department of Environmental Sciences, University of Girona, Spain.
  • 1995-1997: Teaching assistant, Department of Environmental Sciences, University of Girona, Spain.
  • 1993: Holder of an European Exchange Work Programme Fellowship at Computer Cell Culture Centre, University of Mons-Hainaut, Belgium.



Proyectos destacados:


  • Project member: Rice adaptation to new industry demands and to climate change: new cultivars and cultivation practices (2015-2018). Spanish Ministry of Agriculture, INIA program. RTA2014-00058-C03-03. PI: Dra Conxa Domingo 
  • Project member: LIFE EBRO-ADMICLIM, Mitigation and adaptation to climate change in the Ebro Delta (2014-2018). LIFE 13ENV/ES/001182. PI: Dr Carles Ibáñez
  • Project member: RISES-AM, Responses to coastal climate change; innovative strategies for high end scenarios – adaptation and mitigation (2013-2016). FP7-ENV-2013-two-stage. PI: Prof. Agustín Sánchez-Arcilla
  • Project member: Diatom assemblages of the marine littoral zone in regional and global scale in the light of morphological and genetic analyses. Phylogenetic,biogeographic and taxonomic implications (2012-2015). Funded by Polish National Science Centre – programme Maestro (2012/04/A/ST10/00544). P.I. Prof. Andrzej Witkowski.
  • Project member: Resolving the identity and correct designation of widespread diatom indicator species exhibiting phenotypic plasticity. EDIT Integration Research Grant, from the European Distributed Institute of Taxonomy (EDIT WP2, funded by EU FP6).
  • Member of the research contract: Monitoring the effect of a drought period on the ecological status of the Catalonian rivers (2008-2009). Financed by the Catalonian Water Agency. P.I.: Dr.Carles Ibáñez
  • Member of the research contract: Assessment of the ecological status of the lower Ebro River’s water bodies using diatoms and macroinvertebrates following the Water Framework Directive (2007- 2011). Financed by Catalonian Water Agency. P.I.: Dr.Carles Ibáñez.
  • Project member: Evaluation of the use of diatom cultures for biofuel production. Financed by Spanish Ministry of Science and Education (2007-2010), ENE2007-65033/ALT. Financed by Spanish Ministry of Science and Education. P.I. Prof. Joan Salvadó.
  • Project member: Effects of the improved water quality and the alteration of the flow regime on the biological communities (2006-2009), GCL 2006-1487BOS. Financed by Spanish Ministry of Science and Education. P.I. Dr. Carles Ibáñez.
  • Member of the research contract: Study and control of the black fly problem in the lower Ebro River area (2005-2007). Financed by the Catalonian Water Agency. P.I.: Dr.Carles Ibáñez.
  • Marie Curie Intra European Fellowship project: Experimental studies of morphological and physiological variation in Nitzschia spp: improving taxonomic delimitation and determining ecological tolerances for water quality assessment using diatoms. (2004-2006). Financed by EU 6th Framework Program.
  • Project Member, Biomass size spectrum dynamics of plankton in Mediterranean coastal lagoons and its use in coastal wetlands management.(2000-2003), CICYT REN2000-0641 / GLO. Financed by Spanish Ministry of Science and Technology. P.I.: Dr. Ramon Moreno Amich.
  •  Project Member: Viability of the one index based on the river phytobenthos community (2002-2003) Financed by Catalan Water Agency. P.I.: Dr. Sergi Sabater Cortés.
  • Project Member: High frequency fluctuations and system trend in a coastal salt marsh (Aiguamolls de l’Empordà). Effects of water management and mosquito control. Viability of re-flooding with reclaimed wastewater. (1996-1999), CICYT  HID96-0916. Financed by Spanish Ministry of Science and Technology. P.I.: Dr. Ramon Moreno Amich.
  • Member of the research contract: Monitoring of the ecological quality of water in the Aiguamolls de l’Empordà Natural Park (1996-1997). Financed by Costa Brava Water Agency and European Commission (FIMMA). P.I.: Dr. Ramon Moreno-Amich.



Publicaciones destacadas:



  • Trobajo, R. 2007. Ecological analysis of periphytic diatoms in Mediterranean coastal wetlands (Empordà wetlands, NE Spain). In Witkowski A. (ed.), Diatom Monographs.Volume 7. Gantner Verlag, Ruggell. 210 pp.


Book chapters


  • Ibáñez, C., Caiola, N., Trobajo, R., Nebra, A &  Rovira, L. 2015 Biological indicators to assess the ecological status of river-dominated estuaries: The case of benthic indicators in the Ebro River Estuary. In Munné, A., Ginebrada, A. & Prat, N. eds. Experiences from surface water quality monitoring: The EU Water Framework Directive implementation in the Catalan River Basin directive (Part I). The Handbook of Environmental Chemistry 42: 149-170. Springer
  • Trobajo, R. & Sulliavan, M. 2010. Applied diatom studies in estuaries and shallow coastal environments. In: Smol J. P. & Stoermer E. F.: eds. The diatoms: Application for the envioronmental and earth sciences. 2nd edition. pp 309-323. Cambridge University Press, Cambridge.
  • Ibáñez, C., Caiola, N., Sharpe, P. & Trobajo, R. 2010. Application of Ecological Indicators for the Assessment of Health for River Ecosystems. In: Jørgensen, S. E., Xu, F. L. & Costanza, R. eds. Handbook of Ecological Indicators for Assessment of Ecosystem Health. 2nd edition. Pp. 447-464. CRC Press.


Papers in refereed Journals


  • Vasselon, V., Bouchez, A., Rimet, F., Jacquet, S., Trobajo, R., Corniquel, M., Tapolczai, K. & Domaizon, I. 2018. Avoiding quantification bias in metabarcoding: application of a cell biovolume correction factor in diatom molecular biomonitoring. Methods in Ecology & Evolution, In press
  • Rimet, F., Abarca, N., Bouchez, A., Kusber, W-H., Jahn, R., Kahlert, M., Keck, F., Kelly, M.G., Mann, D.G., Piuz, A., Trobajo, R., Topalczai, K., Vasselon, V. & Zimmermann, J. 2018. The potential of high throughput sequencing (HTS) of natural samples as a source of primary taxonòmic information for reference libràries of diatom barcodes. Fottea, in press.
  • Carballeira, R., Trobajo, R., Leira, M., Benito, X., Shinya, S. & Mann, D.G. 2017. A combined morphological and molecular approach to Nitzschia varelae sp. nov. with discussion of symmetry in Bacillariaceae. European Journal of Phycology 52 (3): 342-359.
  • Cearreta, A., Benito, X., Ibáñez, C., Trobajo, R. & Giosan, L. 2016. Holocene palaeonvironmental evolution of the Ebro Delta (Western Mediterranean Sea): Evidence for an early construction based on the benthic foraminiferal record. The Holocene 26(9): 1438-1456. Link to the abstract
  • Benito, X., Trobajo, R., Cearreta, A. & Ibáñez, C. 2016. Benthic foraminifera as indicators of habitat in a Mediterranean delta: implications for ecological and palaeoenvironments studies. Estuarine, Coastal and Shelf Science 180: 97-113. Link to the abstract
  • Rovira, A., Alcaraz, C. & Trobajo, R. 2016. Effect of plant architecture and water velocity on sediment retention by submerged macrophytes. Freshwater Biology 62(5): 758-768. Link to the abstract
  • Benito, X., Trobajo, R., Ibáñez, C., Cearreta, A. & Brunet, M. 2015. Benthic foraminifera as indicators of habitat change in anthropogenically impoacted coastal wetlands of the Ebro Delta (NE Iberian Peninsula). Marine Pollution Bulletin 101(1): 163-173. Link to the abstract
  • Witkowski, A., Gomes, A., Mann, D.G., Trobajo, R., Li, C., Barke, F., Gusev, E., Dabek, P., Gronka, J., Kurzydlowski, K.J., Zglobicka I., Harrison, M. & Boski, T. 2015. Simonsenia aveniformis sp. nov (Bacillariophyceae), molecular phylogeny and systematics of the genus, and a new type of canal raphe System. Scientific Reports 5: 17115. Link to the paper
  • Rovira, L., Trobajo, R., Sato, S., Ibáñez, C. & Mann, D. 2015. Genetic and physiological diversity in the diatom Nitzschia inconspicua. Journal of Eukaryotic Microbiology 62: 815-832. Link to the abstract
  • Benito, X., Trobajo, R. & Ibáñez, C. 2015. Benthic diatoms in a Mediterranean delta: ecological indicators and a conductivity transfer function for paleoenvironmental studies. Journal of Paleolimnology 54 (2): 171-188. Link to the abstract.
  • Caporgno, M.P., Trobajo, R., Caiola, N., Ibáñez, C., Fabregat, A. & Bengoa, C. 2015. Biogas production from sewage sludge and micro-algae co-digestion under mesophilic and thermophilic conditions. Renewable Energy 75: 374-380. Link to the abstract
  • Kelly, M., Trobajo, R., Rovira, L. & Mann, D.G. 2015. Characterising the niches of two very similar Nitzschia species and implications for ecological assessment. Diatom Research 30:27-33. Link to the abstract
  • Trobajo, R., Ibáñez, C., Clavero, E., Salvadó, J. & Jørgensen, S.E. 2014. Modelling the response of microalgae to CO2 addition. Ecological modelling, 294: 42-50. Link to the abstract
  • Benito, X., Trobajo, R. & Ibáñez, C. 2014. Modelling habitat distribution of Mediterranean coastal wetlands: the Ebro Delta as case study. Wetlands, 34 (4): 775-785. Link to the abstract
  • Rimet, F.,  Trobajo, R., Mann, D.G.,  Kermarrec, L.,   Franc, A., Domaizon, I. & Bouchez, A. 2014. When is Sampling Complete? The Effects of
    Geographical Range and Marker Choice on Perceived Diversity in Nitzschia palea (Bacillariophyta). Protist, 165: 245-259. Link to the abstract
  • Mann, D.G. & Trobajo, R. 2014. Symemetry and sex in Bacillariaceae (Bacillariophyta), with descriptions of three new Nitzschia species. European Journal of Phycology, 49: 271-297. Link to the abstract
  • Cañedo-Arguelles, M., Bundschuh, M., Gutiérrez-Cánovas, C., Kefford, B., Prat, N., Trobajo, R. & Schäfer, R. 2014. Effects of repeated salt pulses on ecosystem structure and funcions in a stream mesocosm. Science of the Total Environment, 476-477: 634-642. Link to the abstract
  • De la Iglesia, P.,  Fernández-Tejedor, M., Trobajo, R. & Diogène, J. 2013. An analytical perspective on detection, screening and confirmation in phycology, with particular reference to toxins and toxin-producing species. Journal of Phycology, 49: 1056-1060. Link to the abstract
  • Mann, D.G., Sato, S., Rovira, L. & Trobajo, R. 2013. Paedogamy and auxosporulation  in Nitzschia sect Lanceolatae (Bacillariophyta). Phycologia, 52 (2): 204-220. Link to the abstract
  • Vanormelingen, P., Vanelslander, B., Sato, S., Gillard, J., Trobajo, R., Sabbe, K., & Vyverman, W. 2013. Heterothallic sexual reproduction in the model diatom Cylindrotheca. European Journal of Phycology, 48 (1): 93-105. Link to the abstract
  • Trobajo, R., Rovira, L., Ector, L., Wetzel, C.E., Kelly, M. & Mann, D.G. 2013. Morphology and identity of some ecologically important small Nitzschia species. Diatom Research, 28 (1): 37-59. Link to the abstract
  • Rovira, L., Trobajo, R. & Ibáñez, C. 2012. The use of diatom assemblages as ecological indicators in highly stratified estuaries and evaluation of existing diatom indices. Marine Pollution Bulletin, 64: 500-511. Link to the abstract
  • Rovira, L., Trobajo, R., Leira, M. & Ibáñez, C. (2012). The effect of hydrological dyanamics on benthic diatom community in a stratified estuary: the case of the Ebro Estuary (Catalonia, Spain). Estuarine, Coastal & Shelf Science, 101: 1-14. Link to the abstract
  • Sirim, S., Trobajo, R., Ibáñez, C & Salvadó, J. (2012). Harvesting the microalgae Phaeodactylum tricornutum with polyaluminum chloride, aluminium sulfate, chitosan and alkalinity-induced flocculation. Jounal of Applied Phycology, 24: 1067-1080. Link to the abstract
  • Ibáñez, C., Alcaraz, C., Caiola, N., Albert Rovira, A.,Trobajo, R., Alonso, M., Duran, C., Jiménez, P.J.,Munné, T. & Prat, N. (2012). Regime shift from phytoplankton to macrophyte dominance in a large river: top-down vs bottom-up effects. Science of the Total Environment, 416: 314-322. Link to the abstract
  • Trobajo, R., Mann, D.G. & Cox, E.J. 2012. Studies on the type material of Nitzschia abbreviatta (Bacillariophyta). Lange-Bertalot Festshrift. Nova Hedwigia, 141: 185-200.
  • Trobajo, R., Rovira, L., Mann, D.G. & Cox, E.J. 2011. Effects of salinity on growth and on valve morphology of five estuarine diatoms. Phycological Research, 59: 83-90. Link to the abstract
  • Rovira, L., Witwoski, A., Trobajo, R., Ibáñez, C. & Ruppel, M. 2011. Planothidium iberense spec. nov., a new brackish diatom of the Ebro Estuary (NE Spain). Diatom Research, 26: 99-107. Link to the abstract
  • Mann, D.G., Sato, S., Trobajo, R., Vanormelingen, P & Souffreau, C. 2010. DNA barcoding for species identification and discovery in diatoms. Cryptogamie-Algologie 31(4): 557-577. Link to the abstract
  • Trobajo, R., Mann, D. G., Clavero, E., Evans, K. M., Vanormelingen, P. & McGregor, R. C. 2010. The use of partial cox1, rbcL and LSU rDNA sequences for phylogenetics and species identification within the Nitzschia palea species complex (Bacillariophyceae). European Journal of Phycology45 (4):413-425. Link to the abstract
  • Suarez-Serrano, A., Alcaraz, C., Ibañez, C., Trobajo, R. & Barata, C. 2010. Procambarus clarkii as a bioindicator of heavy metal pollution sources in the lower Ebro River and Delta. Ecotoxicology and Environmental Safety 73(3): 213-464. Link to the abstract
  • Trobajo, R., Clavero, E., Chepurnov, V., Sabbe, K., Mann, D. G., Ishihara, S. & Cox, E. J.2009. Morphological, genetic and mating diversity within the widespread bioindicator Nitzschia palea (Bacillariophyceae). Phycologia 48 (6): 443- 459. Link to the abstract
  • Rovira, L., Trobajo, R. & Ibáñez, C. 2009. Periphytic diatom communities in a Mediterranean Salt wedge estuary: The Ebre estuary (NE Iberian Peninsula): preliminary results. Acta Botanica Croatia 68 (2): 285-300. Link to the full paper pdf
  • Ibáñez, C., Prat, N., Duran, C., Pardos, M., Munné, A., Andreu, R., Caiola, N., Cid, N., Hampel, H., Sánchez, R. & Trobajo, R. 2008. Changes in dissolved nutrients in the Lower Ebro River: causes and consequences. Limnetica 25 (1): 53-64. Link to the full paper pdf
  • Trobajo, R., Mann, D.G., Chepurnov, V., Clavero, E. & Cox, E.J. 2006. Taxonomy, life cycle and auxosporulation of Nitzschia fonticola (Bacillariophyta). Journal of Phycology 42: 1353-1372. Link to the abstract
  • Trobajo, R. & Cox, E.J. 2006. Examination of the type material of Nitzschia frustulum, N. palea and N. palea var. debilis. In Witkoski, A. (ed.). Proceedings of the 18th International Diatom Symposium, 431-445 pp. Miedzyzdroje, Poland. Biopress, Bristol.
  • Trobajo, R., Quintana X.D. & Sabater S. 2004. Factors affecting the periphytic diatom community in Mediterranean coastal wetlands (Emporda wetlands, NE Spain). Archiv für hydrobiologie, 160 (3): 375-399. Link to the abstract
  • Trobajo, R. Cox, E.J. & Quintana X.D. 2004. The effects of some environmental variables on the morphology of Nitzschia frustulum (Bacillariophyta), in relation to its use as a bioindicator. Nova Hedwigia, 79 (3-4): 433-445. Link to the abstract
  • Trobajo, R., Quintana, X. & Moreno-Amich, R. 2002. Model of alternative predominance of phytoplankton-periphyton-macrophytes in relation to nutrient level, in lentic systems in Mediterranean coastal wetlands. Archiv für hydrobiologie, 154: 16-40.
  • Moreno-Amich, R., X. Quintana, L. Suñer, R. Trobajo & S. Gascón. 1999. Dinámica del heleopláncton en relación a las fluctuaciones hidrológicas en “Aiguamolls de l’Empordà” (NE de la Península Ibérica). Propuesta de un método sencillo de monitorización basado en la abundancia de grupos taxonómicos. Limnetica, 16: 17-31. Link to the full paper pdf
  • Quintana, X. D., L. Suñer, R. Trobajo, S. Gascón & R. Moreno-Amich. 1999. Nutrientes y renovación del agua en “Aiguamolls de l’Empordà” (NE de la Península Ibérica). Uso potencial de agua residual para la inundación de zonas húmedas. Limnetica, 16: 49-59. Link to the full paper pdf