Camila FERNANDEZ

Research Topic: Biogeochemical processes of the marine Nitrogen cycle.

Other interests:

Editor

GAYANA: International Journal of Biodiversity, Oceanology and conservation.

Associated Editor

Vie et Milieu: An International Journal of General Ecology. 

Publications

2017

Valdes, V., Fernandez, C., Molina, V., Escribano, R., Joux, F. (2017) Dissolved compounds excreted by copepods shape the active marine bacterioplankton community composition. Frontiers in Marine Science. In press.

Valdes, V., Fernandez, C., Molina, V., Escribano, R. (2017). Nitrogen excretion by copepods and its effect on ammonia-oxidizing communities on an upwelling zone. Limnology and Oceanography. doi:10.1002/lno.10629.

Blanchet, M., Pringault, O, Panagiotopoulos, C., Lefèvre, D., Charrière, B.,   Ghiglione, JF., Fernandez, C., Aparicio, F., Marrase, C., Catala, P., Oriol, L., Caparros, J. Joux, F. (2017) When riverine dissolved organic matter (DOM) meets labile DOM in coastal waters: changes in bacterial community activity and composition. Aquatic Science DOI 10.1007/s00027-016-0477-0.

Blanchet, M., Fernandez, C., Joux, F. (2017) Photoreactivity of riverine and phytoplankton dissolved organic matterand its effect on the dynamics of a bacterial community from the coastal Mediterranean Sea. Progress in Oceanography. DOI: 10.1016/j.pocean.2017.03.003

2016

Levipan, H., Molina, V., Anguita, C., Rain-Franco, A., Belmar, L., Fernandez, C. (2016). Variability of nitrifying communities in surface coastal waters of the Eastern South Pacific (~36° S). Environmental Microbiology Reports, 8: 851–864. doi:10.1111/1758-2229.12448

2015

Fripiat F, Elskens M, Trull T.W., Blain S, Cavagna A.-J., Fernandez C., Fonseca-Batista D., Planchon F., Raimbault P., Roukaert A., Dehairs F. (2015) Significant mixed layer nitrification in a natural iron-fertilized bloom of the Southern Ocean. Global Biogeochemical Cycles. 1944-9224 http://dx.doi.org/10.1002/2014GB005051.

Fernandez C., Gonzalez,ML., Muñoz, C., Molina, V., Farias L., Distribution and variability of biological nitrogen fixation off central Chile (35 – 37°S). Journal of Geophysical Research-Oceans, 120:5:3330-3349. doi: 10.1002/2014JC010410.

Vasquez P., Llanos-Rivera A., Castro L., Fernandez C. (2015) UV radiation effects on the embryos of the anchoveta Engraulis ringens (Jenyns 1842) and common sardine Strangomera bentincki off Central Chile (36°S). Marine and Freshwater Research. http://dx.doi.org/10.1071/MF14038.

Dehairs, F., Fripiatt F., Cavagna, AJ., Trull, T.W., Fernandez, C., Davies, D., Roukaerts, A., Fonseca Batista, D., Planchon, F., Elskens, M., (2015) Nitrogen cycling in the Southern Ocean Kerguelen Plateau area: evidence for significant surface nitrification from nitrate isotopic compositions. Biogeosciences 12, 1459-1482. doi:10.5194/bg-12-1459-2015.

Farias L., Florez-LeivaL., Besoain V., Fernandez C (2015) Dissolved greenhouse gases (nitrous oxide and methane) associated with the natural iron- fertilized Kerguelen region (KEOPS 2 cruise) in the Southern Ocean. Biogeosciences, 12, 1925-1940. doi:10.5194/bg-12-1925-2015.

Alcamán ME., Fernandez C., Delgado, A., Bergman B., Diez B., (2015) Diazotrophic cyanobacteria sustain the nitrogen requirement of microbial mats in a non-acidic terrestrial hot spring. The ISME journal. doi:10.1038/ismej.2015.63.

2014

Cavagna A.J., Lefèvre D., Elskens M., Dehairs F., Fripiat F., Chirurgien L., Mangion P., Closset I., Laslbleiz M., Flores-Leiva L., Cardinal D., Leblanc K., Fernandez C., Oriol L., Blain S. Quéguine B. 2014 Biological productivity regime and associated N cycling in the vicinity of Kerguelen Island area, Southern Ocean Biogeosciences Discussions 1118073-18104.

González M. L, Molina V., Florez-Leiva L., Oriol L.,  Cavagna A.J., Dehairs F., Farias L., Fernandez C. (2014) Nitrogen fixation in the Southern Ocean: a case of study of the Fe-fertilized Kerguelen region (KEOPS II cruise) Biogeosciences Discuss., 1117151-17185.

Rain A., Muñoz C., Fernandez C. (2014) Ammonium production off central Chile (36°S) by photodegradation of phytoplankton-derived and marine dissolved organic matter. PLoS ONE 9(6): e100224. doi:10.1371/journal.pone.0100224.,

Levipan, H., Molina, V., Fernandez, C., (2014) Nitrospina–like bacteria are the main drivers of nitrite oxidation in the seasonal upwelling area of the Eastern South Pacific (central Chile ~36° S). Environmental Microbiology Reports 6(6) 565-573

Pérez, G., Farias, L., Fernandez, C., Conde, D., Piccini, C., (2014) Incidence of phytoplankton and environmental conditions on the bacterial ammonium uptake in a subtropical coastal lagoon. Journal of Limnology. 73(1). DOI: 10.4081/jlimnol.2014.829

2013

Farias, L., Faundez, J., Fernandez, C., Cornejo, M., Sanhueza, S., Carrasco, C., (2013). Biological N2O Fixation in the Eastern South Pacific Ocean and Marine Cyanobacterial Cultures. PLOS One, 8(5): e63956. doi:10.1371/journal.pone.0063956.

2012

Morales CE, Hormazabal S, Correa-Ramirez M, Pizarro O, Silva N, Fernandez C, Anabalon V, Torreblanca ML (2012) Mesoscale variability and nutrients phytoplankton distributions off central-southern Chile during the upwelling season: The influence of mesoscale eddies. Progress in Oceanography. 104: 17-29.

Fernandez C., Farias L. (2012) Assimilation and regeneration of inorganic nitrogen in a coastal upwelling system: ammonium and nitrate utilization. Marine Ecology Progress Series. 451: 1-14. doi: 10.3354/meps09683

2011

Pérez-Aragón M., Fernandez C., Escribano R., (2011) Nitrogen excretion by mesozooplankton in a coastal upwelling area: Seasonal trends and implications for biological production. Journal of Experimental Marine Biology and Ecology 406:116-124.

Sempéré R., Babin M., Chami M., Charrière B., Conan P., Doxaran D., Fernandez C., Jeffrey W., Joux F., Mallet M., Melin F., Miller W.L., Mostajir B., Fouillan E., Para J., Pujo-Pay M., Rontani J.-F., Tedetti M., Vantrepotte V., Brunet C. (2011) Influence of solar radiations. Chap. 4.2 in 'Marine Ecosystems Responses to climatic and anthropogenic forcings in the Mediterranean', Mermex Group, Progress in Oceanography, 91(2):97-166.

Fernandez C., Farias L., Ulloa O., (2011) Nitrogen fixation in denitrified marine upwelling waters. PLOS One, 6(6): e20539. doi:10.1371/journal.pone.0020539.

2009

Farías L., Fernandez C., Faúndez, J., Cornejo, M., Alcamán M.E., (2009) Chemolithoautotrophic production mediating the cycling of the greenhouses gases N₂O and CH₄ in an upwelling ecosystem. Biogeosciences, 6: 3053- 3069. 10.5194/bg-6-3053-2009

Fernandez, C., Farías L.,Alcamán, M.E., (2009) Primary production and nitrogen regeneration processes in surface waters of the Peruvian upwelling system. Progress in Oceanography, 85:159-168.

2008

Fernandez, C., Thyssen M., & Denis M., (2008) Microbial community structure along 18°W (39°N – 45°N) in the NE Atlantic in late summer 2001 (POMME program). Journal of Marine Systems. 71: 46-62.

2007

Fernandez, C., Raimbault P., (2007) Nitrogen regeneration in the Northeast Atlantic Ocean and its impact on seasonal new, regenerated and export production. Marine Ecology Progress Series 337: 79-92. 10.3354/meps337079

Yool, A., Martin A., Fernandez C., & Clark D.R., (2007) The significance of nitrification for oceanic “new” production. Nature 447: 999-1002. Doi 10.1038/nature05885.

2005

Fernandez, C., Raimbault P., Garcia N., Rimmelin P, & Caniaux G.,(2005)An estimation of annual new production and carbon fluxes in the northeast Atlantic Ocean during 2001. Journal of Geophysical Research-Oceans Vol 110 C7 C07S13 Doi 10.1029/2004JC002616.

Fernandez, C., Raimbault P., Caniaux G., Garcia N., & Rimmelin P., (2005) Impact of mesoscale features on seasonal distribution of nitrate in the Northeast Atlantic Ocean. Journal of Marine Systems 55(3-4): 155-175.

Maixandeau, A., Lefèvre D., Karagianni H., Van Wambeke F., Thyssen M., Denis M., Fernandez C., Uitz J., & Queguiner B., (2005) Microbial community functioning and specific organisms contribution to Gross Community Production and Dark Community Respiration. Journal of Geophysical Research-Oceans Vol 110 C7 C07S17 Doi 10.1029/2004JC002694.

Thyssen, M., Denis M., Lefèvre D., & Fernandez C., (2005) Spatial distribution of heterotrophic bacteria in the North East Atlantic (POMME study area) during Spring 2001. Journal of Geophysical Research-Oceans Vol 110 C7 C07S16 Doi 10.1029/2004JC002670.

Maixandeau, A., Lefèvre D., Fernandez C., Sempéré R., Claustre H., Ras J., Van Wambeke F., Caniaux G., & Queguiner B., (2005) Mesoscale and seasonal variability of community production and respiration in the northeast Atlantic ocean. Deep Sea Research part I 52: 1663-1676. 10.1016/j.dsr.2005.03.007

Leblanc, K., Leynaert A., Raimbault P., Fernandez C., Rimmelin P., Moutin T., Ras J., Claustre H., & Queguiner B., (2005) A seasonal study of diatom dynamics in the North Atlantic during the POMME experiment (2001): evidence for Si limitation of the spring bloom. Journal of Geophysical Research-Oceans Vol 110 C7 C07S14 Doi 10.1029/2004JC002621.

2001

Fernandez, C., Oyarzún C. (2001) Trophic variations of the Chilean croacker Cilus gilberti during the summer period 1997-1998 (Perciforms: Sciaenidae). Journal of Applied Ichthyology 17:227-233.

Oyarzún, C., Fernandez C., Landaeta M., & Cortés C. (2001) Ontogenetic and temporal fluctuations in feeding habits of the Chilean croacker Cilus gilberti (Perciformes, Sciaenidae) in southern Chile. Cahiers de Biologie Marine 42: 295-302.

Chapitre de livre

Fernandez, C., (2010) Regeneration of nitrogen in the surface layer of the ocean: New challenges for the nitrogen cycle. In: Atlantic and Indian Oceans: New Oceanographic Res. Editors: Edward S. Askew and James P. Bromley. Pp 201-211.

Projets actifs

FONDECYT#1171324 (CONICYT, Chili; co-PI. 2017-2020) Nitrite loop in aquatic ecosystems, an example of environmental microbiome cooperation on nitrogen cycle

FONDECYT#1150891 (CONICYT, Chili; PI. 2015-2018).Marine ammonification linking quality to quantity in nitrogen regeneration.

BASAL-COPAS SURAUSTRAL (CONICYT, Chili; 2013-2018). Associated researcher. Programa Suraustral – Ciencia y Desarrollo para el sur de Chile.

FONDAP-INCAR (CONICYT, Chili; 2013-2018). Associated researcher. Interdisciplinary Center for Aquaculture Research.

FONDAP-IDEAL (CONICYT, Chili; 2015-2019). Associated researcher. Centro de Investigación: Dinámica de Ecosistemas Marinos de Altas Latitudes – IDEAL