Olga Margalef Marrasé

Lecturer Professor

Researcher ID: K-5593-2017

Knowledge area: Geodinàmica Externa

Teaching Innovation Groups: GI-DINTO - Grup d’Innovació de Dinàmica de la Terra i de l’Oceà

Contact Information
Department of Earth and Ocean Dynamics
Facultat de Ciències de la Terra UB Departament de Dinàmica de la Terra i de l'Oceà Martí Franqués, s-n

olga.margalef(a)ub.edu

Teaching

Geomorphology

Geological hazards

My profile

I am geologist and PhD in Earth Sciences. My professional career has been focused on (1) environmental reconstructions from lacustrine and peat records using chemical and biological proxies and ... + info

Academic Training

Geologia . Universitat de Barcelona . 21/02/2008 . (Diploma / Degree / Activities)

Doctora en Ciències de la Terra . Universitat de Barcelona . 11/04/2014 . (Ph.D.)

Master en Cambio Global . Universidad Menendez y Pelayo . 08/01/2010 . (Official Master)

Master en formació de professorat de secundaria . Universidad Internacional de la Rioja . 15/03/2018 . (Official Master)

Research interests

Permafrost and periglacial environments

Soil geochemistry

Quaternary palaeoenvironmental reconstructions from lacustrine and peat records

Projects

Evolución de la NAO durante los últimos 15000 años en la Península Ibérica y en Azores a partir del estudio de registros lacustres y datos climáticos instrumentales (PALEONAO) . 2011 - 2013 . Ref.CGL2010-15767 . Ministerio de Ciencia e Innovación (MICINN) . PI: Santiago Giralt Romeu

IMBALANCE-P. Effects of phosphorus limitations on Life, Earth system and Society . 2014 - 2020 . Ref.610028 . Unió Europea . PI: Jose Peñuelas Reixach

P-PEAT I : Understanding Phosphorus cycling in Peatlands under Climate Change . 2018 - 2018 . Ref.194 (P-PEAT) . INTERACT Transnational Access . PI: Olga Margalef Marrasé

Impacts of anthropogenic global changes in bioelemental stocks and flows on nature and humans (ELEMENTALSHIFT) . 2020 - 2023 . Ref.PID2019-110521GB-I00 . Ministerio de Ciencia, Innovación y Universidades . PI: Jose Peñuelas Reixach

THARCPEAT - Understanding the impacts of permafrost Thawing on Arctic Peatlands . 2020 - 2020 . Ref.490 (THARCPEAT) . INTERACT Transnational Access . PI: Oriol Grau Fernandez

Journal Publications

Margalef, O.; Cañellas-Boltà, N.; Pla-Rabes, S.; Giralt, S.; Pueyo, J. J.; Joosten, H.; Rull, V.; Buchaca, T.; Hernández, A.; Valero-Garcés, B. L.; Moreno, A.; Sáez, A. (2013). 70,000 year geochemical and palaeoecological record of climatic and environmental change from Rano Aroi peatland (Easter Island). Global and Planetary Change, 108, pp. 72 - 84 . https://www.sciencedirect.com/science/article/pii/S0921818113001410?casa_token=RfN4gxoglo8AAAAA:2oLFylh4-R8882iQkruORdtXp8BLD1haWWjrEYQv4zsC-3P4fVPEUG . ISSN: 0921-8181

Lima, M.; Gayo, E.M.; Latorre, C.; Santoro, C.M.; Estay, S.A.; Cañellas-Boltà, N.; Margalef, O.; Giralt, S.; Sáez, A.; Pla-Rabes, S.; Stenseth, N. Chr. (2020). Ecology of the collapse of Rapa Nui society. Proceedings of The Royal Society B: Biological Sciences, 287(1929) . Institutional Repository . ISSN: 0962-8452

Soong, J. L.; Janssens, I. A.; Grau, O.; Margalef, O.; Stahl, C.; Van Langenhove, L.; Urbina, I.; Chave, J.; Dourdain, A.; Ferry, B.; Freycon, V.; Herault, B.; Sardans, J.; Peñuelas, J.; Verbruggen, E. (2020). Soil properties explain tree growth and mortality, but not biomass, across phosphorus-depleted tropical forests. Scientific Reports, 10(1), p. 2302 . Institutional Repository . ISSN: 2045-2322

Peguero, G., Sardans, J., Asensio, D., Fernández-Martínez, M., Gargallo-Garriga, A., Grau, O., Llusià, J., Margalef, O., Urbina, I., Courtois, E. A., Stahl, C., Van Langenhove, L., Verryckt, L. T., Richter, A., Janssens, I. A. & Peñuelas, J. (2019). Nutrient scarcity strengthens soil fauna control over leaf litter decomposition in tropical rainforests. Proceedings of The Royal Society B: Biological Sciences, 286(20191300), pp. 1 - 9 . https://doi.org/10.6084/m9.figshare.c.4623278 . ISSN: 0962-8452

Margalef, O.; Álvarez-Gómez, J.A.: Pla-Rabes, S.; Cañellas-Boltà, N.; Rull, V.; Sáez, A.; Geyer, A. , Peñuelas, J.; Sardans, J.; Giralt, S. (2018). Revisiting the role of high-energy Pacific events on the environmental and cultural history of Easter Island (Rapa Nui). Geographical Journal, 184(3), pp. 310 - 322 . Institutional Repository . ISSN: 0016-7398

Margalef, O.; Sardans, J.; Fernández-Martínez, M.; Molowny-Horas, R.; Janssens, I.A.; Ciais, P.; Obersteiner. M.; Asensio, D.; Peñuelas, J. (2017). Global patterns of phosphatase activity in natural soils. Scientific Reports, 7, pp. 1 - 13 . https://doi.org/10.1038/s41598-017-01418-8 . ISSN: 2045-2322

Margalef, O.; Martínez-Cortizas, A.; Kylander, M.; Pla, S.; Cañellas-Boltà, N.; Pueyo, J.J.; Sáez, A.; Valero-Garcés, B.L.; Giralt. S. (2014). Environmental processes in Rano Aroi (Ester Island) peat geochemistry forced by climate variability during the last 70 kyr. Palaeogeography Palaeoclimatology Palaeoecology, 414, pp. 438 - 450 . Institutional Repository . ISSN: 0031-0182

Peñuelas, J.; Sardans, J.; Filella, I.; Estiarte, M.; Llusià, J.; Ogaya, R.; Carnicer, J.; Bartrons, M.; Rivas-Ubach, A.; Grau, O.; Peguero, G.; Margalef, O.; Pla-Rabés, P.; Stefanescu, C.; Asensio, D.; Preece, C.; Liu, L.; Verger, A.; Rico, R.; Barbeta, A.; Achotegui-Castells, A.; Gargallo-Garriga, A.; Sperlich, D.; Farré-Armengol, G.; Fernández-Martínez, M.; Liu, D.; Zhang, Ch.; Urbina, I.; Camino, M.; Vives, M.; Nadal-Sala, D.; Sabaté, S.; Gracia, C.; Terradas, J. (2018). Assessment of the impacts of climate change on Mediterranean terrestrial ecosystems based on data from field experiments and long-term monitored field gradients in Catalonia. Environmental and Experimental Botany . ISSN: 0098-8472

Rull, V.; Cañellas-Boltà, N.; Margalef, O.; Sáez, A.; Pla-Rabes, S.; Giralt, S. (2015). Late Holocene vegetation dynamics and deforestation in Rano Aroi: implications for Easter Island's ecological and cultural history. Quaternary Science Reviews, 126, pp. 219 - 226 . Institutional Repository . ISSN: 0277-3791

Sardans, J., Bartrons, M., Margalef, O., Gargallo‐Garriga, A., Janssens, I. A., Ciais, P., Obersteiner, M., Sigurdsson, B. D., Chen, H. Y. H., Peñuelas, J. (2016). Plant invasion is associated with higher plant‐soil nutrient concentrations in nutrient poor‐environments. Global Change Biology, 23(3), pp. 1282 - 1291 . ISSN: 1354-1013

Others Publications

Peñuelas, J.; Sardans, J.; Filella, I.; Estiarte, M.; Llusià, J.; Ogaya; R.; Carnicer, J.; Bartrons, M.; Rivas-Ubach, A.; Grau, O.; Peguero, G.; Margalef, O.; Pla, S.; Stefanescu, C.; Asensio, D.; Preece, C.; Liu, L.; Verger, A.; Rico, L.; Barbeta, A.; Achotegui-Castells, A.; Gargallo-Garriga, A.; Sperlich, D.; Farré-Armengol, G.; Ubach, M.; Popkin, M.; Albrand, J.; Wheat, C.; Nadal, D.; Sabaté, S.; Gracia, C.; Vives, M.; Tamayo, M.; Terradas, J. (2016). Impactes del canvi climàtic sobre els ecosistemes terrestres catalans . In Tercer informe sobre el canvi climàtic a Catalunya . (pp. 207 - 231) . Institut d'Estudis Catalans . ISBN: ISBN 978849965317 . http://cads.gencat.cat/web/.content/Documents/Publicacions/tercer-informe-sobre-canvi-climatic-catalunya/TERCER_INFORME_CANVI_CLIMATIC_web.pdf