Producción Científica

Proyectos

2025-2028. “Caracterización metabólica y lipídica de tres especies endémicas del género Nothofagus, Nothofagus dombeyi, Nothofagus alpina y Nothofagus oblicua en el Parque Nacional Conguillío de la Región de la Araucanía en Chile”. ANID FONDECYT Postdoctorado (N° 3250382). Investigador Patrocinante (Investigador Responsable: Jasna Valentina Campos).

2025 – 2029. “Social transformations, transformations on food: study of the dietary variability in pottery-making societies from central Chile (300 a.C. – 1536 d.C.)” ANID FONDECYT Regular (N° 1250185) Coinvestigador.

2025 – 2028 “Comparison of temperature and pH proxies based on organic compounds in French and Chilean lakes” Proyecto de Intercambio Francia-Chile Programa de Cooperación Científica ECOS-ANID (ECOS240005) As a principal investigator.

2024 – 2024. “Science and innovation to assess the impacts of wildfires on ecosystems of central-southern Chile and generate proposals for fire-resilient landscapes based on different environmental change  scenarios” PINC230030 Concurso Desafíos para la Recuperación Post-Incendios Convocatoria 2023. ANID, Etapa N°1. Investigador alterno.

2024-2028. “Biogeochemical signatures to understand changes in the hydrological balance of an Andean lake system under ongoing drought scenario”. ANID FONDECYT Regular (N° 1240918). Investigador Responsable.

2024-2028. “Post-fire soil organic matter and nutrient dynamics across contrasting native ecosystems in central Chile. Aiding better decisions on ecosystem restoration management”. ANID FONDECYT Regular (N° 1241438). Coinvestigador.

2023-2026. “Revealing past variations in coastal fog moisture during the Holocene using buried Tillandsia landbeckii dune ecosystems in the Atacama Desert”. ANID FONDECYT Regular (N° 1231820). Coinvestigador.

2023-2025. “Millenium nucleus in Andean Peatlands”. Ecology & Climate research line. AndesPeat. ANID Núcleo Milenio en Ciencias Sociales (NCS2022_024). Investigador Asociado.

2023-2024. “Manejo del paisaje para la seguridad hídrica de las personas”. Concurso Regional Fondo de Innovación para la competitividad FIC-R 2022. Gobierno Regional del Biobío. Investigador Consultor.

2021-2023. “Past and presente impacts of megadroughts in high Andean lakes of northern and central Chile”. ANID Concurso Fondo de Investigación Estratégica en Sequía (Asignación Rápida) (FSEQ210021). Investigador Asociado.

2021-2023. “Paleo-LINCGLOBAL: la dimensión temporal del Antropoceno y los impactos del Cambio Global en lagos en Iberoamérica”. Proyecto de Cooperación Científica Iberoamericana del Consejo Superior de Investigaciones Científicas, Ministerio de Ciencia e Innovación Española (INCGLO0029). Investigador Principal.

2021-2022. “Impacto de la desglaciación sobre la condición bioenergética de macro-invertebrados bentónicos antárticos con diferentes niveles tróficos”. Proyecto Interdisciplinario CIBAS UCSC. Coinvestigador.

2020-2022. “Applicability of bacterial membrane lipids as temperature and pH proxies in continental settings” Proyecto de Intercambio Francia-Chile. Programa de Cooperación Científica ECOS-ANID (N°190011). Investigador Principal.

2020-2024. “Determining the sensitivity of lake sediment proxies to late Holocene climate variability: a test from a longitudinal study in Northern Patagonia across the Andes”. ANID FONDECYT Regular (N° 1201277). Coinvestigador.

2019-2023. “Assessing a regional hydroclimate signal from southern South America for the last two millennia through a suite of lake sediment biogeochemical records” CONICYT FONDECYT Regular (N° 1190398). Investigador Principal.

2019-2023. “The impact of wildfire severity on soil pyrogenic carbon across contrasting fire-prone ecosystems in central Chile: Temporal dynamics and related-effects on soil properties.” CONICYT FONDECYT Regular (N° 1191905). Coinvestigador.

2019-2021. “Establecimiento de una guía metodológica y de protocolos de muestreo y/o registro in situ para organismos hidrobiológicos presentes en aguas marítimas costeras”. Fondo de Investigación Pesquera y de Acuicultura (FIPA 2019-09). Coinvestigador.

2018-2022. “Hydroclimatic influence on estuarine-land interactions in northern Chilean Patagonia (Reloncaví fjord): Impacts on organic matter, sustainable resources, and human health”. CONICYT FONDECYT Postdoctorado (N° 3180307). Investigador Patrocinante (Investigador Responsable: Facundo Barrera).

2017-2018. “Disentangle trophic levels in a glacial Chilean Patagonian fjord (Channel Martinez), combining fatty acids and stable isotope analysis of key organisms living in a remote estuarine ecosystem”. Proyecto Interdisciplinario CIBAS (CIBAS 04/2017). Investigador Responsable.

2016-2019. “Constraining the hydroclimate gradient in Southern South America using molecular isotopic proxies”. CONICYT FONDECYT Regular (N° 1160719). Investigador Principal.

2016-2019. “Persistent Organic Pollutants (POPs) and emergent compounds (EC) in the marine food web of Central Chile: What is the influence of emergent pollutants such as Microplastics?” CONICYT FONDECYT Regular (N° 1161673). Coinvestigador.

2015-2016. “Constraining the hydroclimate gradient in Southern South America using molecular isotopic proxies”. Proyecto de Investigación UCSC IPFE (N°01/2015). Investigador Principal.

2014-2016. “Restringiendo la variabilidad hidroclimática del sur de Sudamérica a través de proxies geoquímicos lacustres”. CONICYT-Programa de Atracción e Inserción de Capital Humano Avanzado (PAI) (N° 79130036). Investigador Principal.

2013-2015. “Dynamic of air-water and sediment-water exchange of Persistent Organic Pollutants (POPs): What is the role of Concepción Bay in the local and regional distribution of POPs in Central Chile?”. CONICYT FONDECYT (N° 1130329). Coinvestigador.

2014-2015. “Downslope Andean winds in Southern-Central Chile”. CONICYT FONDECYT (N° 1131092). Investigador Colaborador.

2014-2015. “Environmental changes in Chilean Patagonia caused by historical fires generated during the 20th Century settlement: evaluating lacustrine ecosystems resilience”. CONICYT FONDECYT (N° 1120765). Investigador Colaborador.

2014-2015. “Pesticidas Organoclorados presentes en sedimentos superficiales de un sistema de fiordos: el aporte de los glaciales de campos de hielo norte y sur, Patagonia, Chile”. CIMAR 20 Fiordos (N° CONA C20F 14-04). Investigador Colaborador.

2013-2014. “Distribución de Pesticidas Organoclorados (POC’s) presentes en agua y material particulado-suspendido (MPS) en el continuo fiordo-mar interior-océano, desde el estero de Reloncaví a la Boca del Guafo (39,5°S-44°S)”. CIMAR 19 Fiordos (N° CONA C19F 13-08). Investigador Colaborador.

2012-2013. “Constraining the latitudinal variability in southern South American hydroclimate through lacustrine geochemical proxies”. Seed grant, Global Programs and Strategy Alliance, University of Minnesota, USA. Coinvestigador.

2011-2012. “A high-resolution middle Pleistocene paleoclimate record from the Valles Caldera, New Mexico”. NSF (Nº 0902888). Investigador Asociado.

2009-2010. “Determination of nitrogen cycling in oxygen minimum zone waters from the eastern tropical Pacific” combining water column oceanographic data and nitrogen isotope paring incubation experiments” as a Research associate at the Max Planck Society.

2009-2010. “Determine the nitrogen isotope signature for anammox bacteria and its implications on the nitrogen isotope budget calculations” using anammox enrichment cultures and nitrogen isotope measurements in dissolved nitrogen compounds” as a Research associate at the Max Planck Society.

2009-2010. “Past oceanographic conditions off Peru margin from marine sediments (Site ODP 1229) and its relationship with deep sub-surface biogeochemistry” combining X-Ray-Fluorescence (XRF) core scanner, lipid biomarkers, and bulk and compound specific carbon isotope analyses” as a Post-doctorate fellow at the Max Planck Society.

2009-2010. “Modelling the depth of the Sulfate-Methane Transition Zone (SMTZ) in a dynamic deep biosphere” as a Post-doctorate fellow at the Max Planck Society.

2009-2010. “Organic matter characterization – what is the origin and composition of the organic matter and what is driving the different organic carbon mineralization rates in Svalbard fjords” as a Post-doctorate fellow at the Max Planck Society.

2008-2009. “Resolving terrigenous imprint and climate in the eastern equatorial Pacific (ODP Site 1239) during the last 300.000 kyr” as a Post-doctorate fellow at the Max Planck Society together with the Alfred Wegener Institute.

Artículos científicos

Todas las publicaciones están indexadas en WoS (Core Collection: Science Citation Index Expanded), salvo que se indique otra indexación.

O’Beirne, M., Vornlocher, J., Lopera, L., Emordi, E., Ubit, G., Contreras, S., Araneda, A., Tejos, E., Moscoso, J., Werne, J. (2025) Exploring the Influence of Temperature on brGDGT Distributions in Chilean Lakes and Soils: A Comparative Analysis of In Situ Measured and Modeled Temperature Data. Journal of Geophysical Research – Biogeosciences 130, e2024JG008506, https://doi.org/10.1029/2024JG008506

Ramírez-Álvarez, Peterson, A., Contreras, S., Górski, K., (2025) Effects of biotics interactions on ecological niche dynamics: testing niche equivalence in amphidromous fish populations. Journal of Animal Ecology 00, 1-18 https://doi.org/10.1111/1365-2656.70079

Contreras, S., Frugone-Álvarez, M., Belmar, C., Luna, F., Viña-Trillos, N, Ramirez-Funes, H., Godoy, C. (2025) Biogeochemical tools to reveal early human settlements off western South America: revisiting the ancient geoarcheological sites from Chile’s cultural landscape (Pampa del Tamarugal, Tagua Tagua Lake & Batuco). In Past Global Changes Magazine 33 (1), 20-21  https://doi.org/10.22498/pages.33.1.20

Torres-Ramírez, P., Veas, R., Krautz, M.C., Salamanca, M., Chandía, C., Hernández, A., Contreras, S., Hernández, E. (2024) Benthic Ecological Status of the Coastal Zone of Golfo de Arauco: Spatio-Temporal Patterns of Macrofaunal Bioindicators. (2024) Gayana 88 (2), 235-258.

Luna, F., Arenas, S., Barrera, F., Pérez-Santos, I., Espinoza-González, O., Contreras, S. (2024) Temporal changes of phytoplankton-derived sterols in suspended particulate matter and their implications as biomarkers for phytoplankton abundance in northern Patagonia, Reloncaví Estuarine System (RES), Chile. Science of the Total Environment 954, 176312 https://doi.org/10.1016/j.scitotenv.2024.176312

O’Beirne, M.D., Scott, W.P., Contreras, S., Araneda, A., Tejos, E., Moscoso, J., Werne, J.P., (2024) Distribution of branched glycerol dialkyl glycerol tetraether (brGDGT) lipids from soils and sediments from the same watershed are distinct regionally (central Chile) but not globally. Frontiers in Earth Sciences 12, 0-12. https://doi.org/10.3389/feart.2024.1383146

De Jonge, C., Peterse, F, Nierop, K.G.J., Blattmann, T., Alexandre, M., Bard, E., Bauersachs, T., Boehman, B., Castaneda, I., Contreras, S., Cordes, J., Davtian, N., Elling, F., Galy, V., Hefter, J., Hoorweg, M., Hopmans, E., Huang, Y., Huguet, A., Jane, S., Jia, G., Jiang, W., Karger, C., Keely, B., Kusch, S., Li, H., Liang, J., Liu, W., Lu, H, Mangelsdorf, K., Manners, H., Martinez-Garcia, A., Menot, G., Mollenhauer, G., Naafs, D., Naeher, S., O’Beirne, M., O’Connor, L., Pancost, R., Pearson, A., Rao, Z., Rodrigo, M., Rui, B., Sanyal, P., Schouten, S., Schubotz, F., Sluijs, A., Smittenberg, R., Stefanescu, I., Sutton, P., Tierney, J., Tejos, E., van Dongen, B., Villanueva-Ribes, J., Werne, J.P., Yamamoto, M., Yang, H., Zhou, A., (2024) Interlaboratory comparison of branched GDGT analysis and proxies in soils and extracts. Geochemistry, Geophysics, Geosystems 25 (7), e2024GC011583, 1-17. http://dx.doi.org/10.1029/2024GC011583

Ramírez-Álvarez, R., Peterson, A., Contreras S, Górski, K., (2024) Evolution of the ecological niche behind the largest disjunct freshwater fish distribution in the world. Journal of Animal Ecology 00, 1–16.  10.1111/1365-2656.14080.

 Jaeschke, A., Böhm, C., Schween, J.H., Schefuß, E., Koch, M.A., Latorre, C., Contreras S., Rethemeyer, J., Wissel, H., Lücke, A., (2024) Evaluating the isotopic composition of leaf organic compounds in fog-dependent Tillandsia landbeckii across the coastal Atacama Desert: Implications for hydroclimate reconstructions at the dry limit. Global and Planetary Change 234, 104393, 10.1016/j.gloplacha.2024.104383

Cerda-Peña C, Contreras S, Huguet A (2023) Intraspecific differences in leaf chemical traits from five common evergreen species in contrasting climate conditions (temperature and precipitation) from northern Patagonian rainforest (42–44°S). Plant and Soil. DOI: 10.1007/s11104-023-06244-8.

Contreras S, Werne JP, Araneda A, Tejos E, Moscoso J (2023) Abundance and distribution of plant derived leaf waxes (long chain n-alkanes & fatty acids) from lake surface sediments along the west coast of southern South America: implications for environmental and climate reconstructions. Science of The Total Environment 895: 165065. DOI: 10.1016/j.scitotenv.2023.165065.

Frugone-Álvarez M, Contreras S, Meseguer-Ruiz O, Tejos E, Delgado-Huertas A, Valero-Garcés B, Díaz FP, Briceño M, Bustos-Morales M, Latorre C (2023) Hydroclimate variations over the last 17,000 years as estimated by leaf waxes in rodent middens from the south-central Atacama Desert, Chile. Quaternary Science Reviews 311: 108084. DOI: 10.1016/j.quascirev.2023.108084.

Cerda-Peña C, Contreras S (2022) Characterization and chemo-taxonomic evaluation of plant leaf waxes (long chain n-alkanoic acids, n-alkanes and n-alkanols) as a vegetation biomarker from species of the South American temperate forest (STF). Ecological Indicators 136: 108675. DOI: 10.1016/j.ecolind.2022.108675.

Contreras S, Landahur M, García K, Latorre C, Reyers M, Rethemeyer J, Jaeschke A (2022) Leaf wax composition and distribution of Tillandsia landbeckii reflects moisture gradient across the hyperarid Atacama Desert. Plant Systematics and Evolution 308(1): 8. DOI: 10.1007/s00606-021-01800-0.

Ramírez-Álvarez R, Contreras S, Vivancos A, Reid M, López-Rodríguez R, Górski K (2022) Unpacking the complexity of longitudinal movement and recruitment patterns of facultative amphidromous fish. Scientific Reports 12(1): 3164. DOI: 10.1038/s41598-022-06936-8.

Véquaud P, Thibault A, Derenne S, Anquetil C, Collin S, Contreras S, Nottingham AT, Sabatier P, Werne JP, Huguet A (2022) FROG: a global machine-learning temperature calibration for branched GDGTs in soils and peats. Geochimica et Cosmochimica Acta 318: 468-494. DOI: 10.1016/j.gca.2021.12.007.

Pérez-Santos I, Díaz PA, Silva N, Garreaud R, Montero P, Henríquez-Castillo C, Barrera F, Linford P, Amaya C, Contreras S, Aracena C, Pinilla E, Altamirano R, Vallejos L, Pavez J, Maulen J (2021) Oceanography time series reveals annual asynchrony input between oceanic and estuarine waters in Patagonian fjords. Science of The Total Environment 798: 149241. DOI: 10.1016/j.scitotenv.2021.149241.

Ruiz-Ruiz PA, Contreras S, Quiroga E, Urzúa Á (2021a) Bioenergetic traits of three keystone marine species in the food web of a pristine Patagonian fjord. Journal of Sea Research 167: 101984. DOI: 10.1016/j.seares.2020.101984.

Ruiz-Ruiz PA, Contreras S, Urzúa Á, Quiroga E, Rebolledo L (2021b) Fatty acid biomarkers in three species inhabiting a high latitude Patagonian fjord (Yendegaia Fjord, Chile). Polar Biology 44(1): 147-162. DOI: 10.1007/s00300-020-02788-y.

Scott WP, Contreras S, Bowen GJ, Arnold TE, Bustamante-Ortega R, Werne JP (2021) Lake water based isoscape in central-south Chile reflects meteoric water. Scientific Reports 11(1): 8725. DOI: 10.1038/s41598-021-87566-4.

Véquaud P, Derenne S, Thibault A, Anquetil C, Bonanomi G, Collin S, Contreras S, Nottingham AT, Sabatier P, Salinas N, Scott WP, Werne JP, Huguet A (2021) Development of global temperature and pH calibrations based on bacterial 3-hydroxy fatty acids in soils. Biogeosciences 18(12): 3937-3959. DOI: 10.5194/bg-18-3937-2021.

Cerda-Peña C, Contreras S, Rau JR (2020) Molecular n-alkyl leaf waxes of three dominant plants from the temperate forest in South America. Organic Geochemistry 149: 104105. DOI: 10.1016/j.orggeochem.2020.104105.

Cifuentes G, Contreras S, Cerda-Peña C (2020) Evaluation of the foliar damage that threatens a millennial-age tree, Araucaria araucana (Molina) K. Koch, using leaf waxes. Forests 11(1): 59. DOI: 10.3390/f11010059.

Contreras S, Werne JP, Araneda A, Urrutia R, Conejero CA (2018) Organic matter geochemical signatures (TOC, TN, C/N ratio, δ¹³C and δ¹⁵N) of surface sediment from lakes distributed along a climatological gradient on the western side of the southern Andes. Science of The Total Environment 630: 878-888. DOI: 10.1016/j.scitotenv.2018.02.225.

Placencia JA, Contreras S (2018) Organochlorine pesticides in surface waters from Reloncaví Fjord and the inner sea of Chiloé (~ 39.5°S – 43°S), Chilean Patagonia. Marine Pollution Bulletin 126: 389-395. DOI: 10.1016/j.marpolbul.2017.11.053.

Contreras S, Werne JP, Brown ET, Anderson RS, Fawcett PJ (2016) A molecular isotope record of climate variability and vegetation response in southwestern North America during mid-Pleistocene glacial/interglacial cycles. Palaeogeography, Palaeoclimatology, Palaeoecology 459: 338-347. DOI: 10.1016/j.palaeo.2016.07.019.

Johnson TC, Werne JP, Brown ET, Abbott A, Berke M, Steinman BA, Halbur J, Contreras S, Grosshuesch S, Deino A, Scholz CA, Lyons RP, Schouten S, Sinninghe Damsté JS (2016) A progressively wetter climate in southern East Africa over the past 1.3 million years. Nature 537(7619): 220-224. DOI: 10.1038/nature19065.

Pozo K, Kukučka P, Vaňková L, Přibylová P, Klánová J, Rudolph A, Banguera Y, Monsalves J, Contreras S, Barra R, Ahumada R (2015) Polybrominated Diphenyl Ethers (PBDEs) in Concepción Bay, central Chile after the 2010 Tsunami. Marine Pollution Bulletin 95(1): 480-483. DOI: 10.1016/j.marpolbul.2015.03.011.

Brunner B, Contreras S, Lehmann MF, Matantseva O, Rollog M, Kalvelage T, Klockgether G, Lavik G, Jetten MSM, Kartal B, Kuypers MMM (2013) Nitrogen isotope effects induced by anammox bacteria. Proceedings of the National Academy of Sciences 110(47): 18994-18999. DOI: 10.1073/pnas.1310488110.

Contreras S, Meister P, Liu B, Prieto-Mollar X, Hinrichs K-U, Khalili A, Ferdelman TG, Kuypers MMM, Jørgensen BB (2013) Cyclic 100-ka (glacial-interglacial) migration of subseafloor redox zonation on the Peruvian shelf. Proceedings of the National Academy of Sciences 110(45): 18098-18103. DOI: 10.1073/pnas.1305981110.

Galbraith ED, Kienast M, The NICOPP working group members, Contreras S (2013) The acceleration of oceanic denitrification during deglacial warming. Nature Geoscience 6(7): 579-584. DOI: 10.1038/ngeo1832.

Kalvelage T, Lavik G, Lam P, Contreras S, Arteaga L, Löscher CR, Oschlies A, Paulmier A, Stramma L, Kuypers MMM (2013) Nitrogen cycling driven by organic matter export in the South Pacific oxygen minimum zone. Nature Geoscience 6(3): 228-234. DOI: 10.1038/ngeo1739.

Schunck H, Lavik G, Desai DK, Großkopf T, Kalvelage T, Löscher CR, Paulmier A, Contreras S, Siegel H, Holtappels M, Rosenstiel P, Schilhabel MB, Graco M, Schmitz RA, Kuypers MMM, LaRoche J (2013) Giant hydrogen sulfide plume in the oxygen minimum zone off Peru supports chemolithoautotrophy. PLoS ONE 8(8): e68661. DOI: 10.1371/journal.pone.0068661.

Robinson RS, Kienast M, Luiza Albuquerque A, Altabet M, Contreras S, De Pol Holz R, Dubois N, Francois R, Galbraith E, Hsu T-C, Ivanochko T, Jaccard S, Kao S-J, Kiefer T, Kienast S, Lehmann M, Martinez P, McCarthy M, Möbius J, Pedersen T, Quan TM, Ryabenko E, Schmittner A, Schneider R, Schneider-Mor A, Shigemitsu M, Sinclair D, Somes C, Studer A, Thunell R, Yang J-Y (2012) A review of nitrogen isotopic alteration in marine sediments. Paleoceanography 27(4): PA4203. DOI: 10.1029/2012PA002321.

Kalvelage T, Jensen MM, Contreras S, Revsbech NP, Lam P, Günter M, LaRoche J, Lavik G, Kuypers MMM (2011) Oxygen sensitivity of anammox and coupled N-cycle processes in Oxygen Minimum Zones. PLoS ONE 6(12): e29299. DOI: 10.1371/journal.pone.0029299.

Contreras S, Lange CB, Pantoja S, Lavik G, Rincón-Martínez D, Kuypers MMM (2010) A rainy northern Atacama Desert during the last interglacial. Geophysical Research Letters 37(23): L23612. DOI: 10.1029/2010GL045728.

Rincón-Martínez D, Lamy F, Contreras S, Leduc G, Bard E, Saukel C, Blanz T, Mackensen A, Tiedemann R (2010) More humid interglacials in Ecuador during the past 500 kyr linked to latitudinal shifts of the equatorial front and the Intertropical Convergence Zone in the eastern tropical Pacific. Paleoceanography 25(2): PA2210. DOI: 10.1029/2009PA001868.

Contreras S, Pantoja S, Neira C, Lange CB (2007) Biogeochemistry of surface sediments off Concepción (∼36°S), Chile: El Niño vs. non-El Niño conditions. Progress in Oceanography 75(3): 576-585. DOI: 10.1016/j.pocean.2007.08.030.

Sepúlveda J, Pantoja S, Hughen K, Lange C, Gonzalez F, Muñoz P, Rebolledo L, Castro R, Contreras S, Ávila A, Rossel P, Lorca G, Salamanca M, Silva N (2005) Fluctuations in export productivity over the last century from sediments of a southern Chilean fjord (44°S). Estuarine, Coastal and Shelf Science 65(3): 587-600. DOI: 10.1016/j.ecss.2005.07.005.

Ahumada R, Rudolph A, Contreras S (2004) Evaluation of coastal waters receiving fish processing waste: Lota Bay as a case study. Environmental Monitoring and Assessment 90(1): 89-99. DOI: 10.1023/B:EMAS.0000003568.37287.ac.

Ahumada R, Rudolph A, Contreras S (2002) Metal content (Ba, Cd, Co, Cr, Cu, Ni, Pb, Sr, V and Zn) in marine sediments from the Patagónica region (52^o-56^o S), Chile. Ciencia y Tecnología del Mar (Chile) 25(2): 77-86. Comité Editorial.

Ahumada R, Contreras S (1999) Metal content (Ba, Cd, Co, Cr, Cu, Ni, Pb, Sr, V y Zn) in fjord and channel sediments adjacent to Campos de Hielo Sur. Ciencia y Tecnología del Mar (Chile) 22: 47-58. Comité Editorial.

Hernández C, Contreras S, Gallardo J, Cancino J (1998) Communitarian structure of the macroinfauna a long of the sandy beach in the central Chile: Lenga, San Vicente Bay. Revista Chilena de Historia Natural 71: 303-311.

Capítulos de libros

Pantoja S, Rossel P, Contreras S (2004) Procesos biogeoquímicos. En: Werlinger C (Ed.) Biología Marina y Oceanografía: Conceptos y Procesos. Gobierno de Chile.

Otras actividades

2023. Microbiómica ambiental en el contexto del cambio climático. XIV Plataforma de Movilidad Estudiantil y Académica de la Alianza del Pacífico, Convocatoria 2023-2. Colaborador.

2020-2021. “Escuela de Primavera de Postgrado Herramientas biogeoquímicas para trazar cambios ambientales y climáticos”. Fulbright US Specialist Program – FSP. Colaborador.

2020-2021. “Escuela de Verano de Postgrado Herramientas biogeoquímicas para trazar cambios ambientales y climáticos”. Ambassade de France au Chili, Cooperación Científica y Universitaria. Responsable.

Veo la química ambiental como una ciencia interdisciplinaria que estudia el origen, reacciones, efectos y destino de las especies químicas en las diferentes matrices del ambiente (atmósfera, hidrósfera, litósfera y biósfera).

Mi interés en biogeoquímica radica en su carácter inherentemente multidisciplinar, reflejando procesos que intersectan las ramas de biología, geología y química, y que se ha seguido desarrollando de manera independiente a muchas disciplinas. Me interesa el rol biogeoquímico de la biosfera e hidrosfera en el sistema terrestre, enfocándome en el estudio de su variabilidad natural y cómo cambios ambientales y climáticos podrían afectar la dinámica de estos compartimientos en el presente, pasado y futuro. Para estudiar los cambios o perturbaciones del sistema terrestre me he enfocado en ecosistemas acuáticos (marinos y lacustres) utilizando una aproximación multi-direccional que adopta una amplia gama de estudios, tales como:

Biogeoquímica Orgánica utilizando biomarcadores lipídicos como:

-Fósiles moleculares de organismos.
-Indicadores del origen de la materia orgánica (e.g. acuática vs. terrígena).
-Trazadores de condiciones (e.g. temperatura, producción exportada, tipo de comunidades planctónicas y vegetación, oxigenación) modernas (actuales) y pasadas.
-Dinámica del ciclo del nitrógeno, carbono e hidrógeno estudiando su abundancia, isótopos estables en materia orgánica total o compuestos específicos (lípidos) y/o experimentando con incubaciones de microorganismos.
-Paleoclimatología: cambios locales y regionales de clima.

Combinando un amplio rango de técnicas y estudios, espero ganar no solo un mejor entendimiento de indicadores individuales de cambios ambientales y climáticos sino también de cómo interactúan y se retroalimentan en el sistema terrestre, y cómo afectan la señal moderna y pasada que tratamos de interpretar.

Más información

Google Scholar (Google Académico)

ORCID

Página profesional Laboratorio de Ciencias Ambientales

Profesor Asistente adjunto en la Universidad de Pittsburg

ResearchGate

Este académico también es parte del Centro de Investigación en Biodiversidad y Ambientes Sustentables (CIBAS) de la UCSC.