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Claudio Ricardo Giesecke Astorga

Profesor adjunto

Universidad Austral de Chile

Valdivia, Chile

Food web structure of pelagic systems, carbon flows in the pelagic zone, biological oceanography, autecology of carnivorous zooplankton, trophic impact of carnovorous zooplankton.

Marine Biologist, Universidad Austral de Chile. Chile, 2004
Oceanography, Universidad de Concepcion. Chile, 2010

Profesor auxiliar Full Time

Universidad Austral de Chile

Sciences

Valdivia, Chile

2011 - A la fecha
Postdoc Full Time

Universidad de Concepcion

Natural Sciences and Oceanography

Concepcion, Chile

2010 - 2010
Representante de la Facultad de Ciencias, ante el Comité de Sustentabilidad de la Universidad Austral de Chile Other

UNIVERSIDAD AUSTRAL DE CHILE

Ciencias

Valdivia, Chile

2021 - A la fecha
Dirección de Vinculación de Carrera Biología Marina Other

UNIVERSIDAD DE CHILE

Ciencias

Valdivia, Chile

2023 - A la fecha
Director vinculacion Instituto de Ciencias Marinas y Limnológicas Other

UNIVERSIDAD DE CHILE

Ciencias

Valdivia, Chile

2023 - A la fecha

Postdoctoral Full Time

Universidad de Concepcion

Concepcion, Chile

2010 - 2010
Auxiliary Professor Full Time

Universidad Austral de Chile

Valdivia, Chile

2011 - A la fecha

Courses

ICML080 Introduction to Biological Oceanography
ICML101 Excursions to the marine Environment
ICML105 Basic Zoology
ICML204 Marine Invertebrates
ICML263 Scientific Methods and experimental design
ICML281 Physical Oceanography
ICML244 Dynamic of Marine Ecosystems
ICML284 Biological Oceanography

Undergraduate students:

2016 Marine Biology Student Tomas Vallejos (UACh). Colonization and degradation of bacteria on copepod carcasses at different salinities along the Valdivia river estuary. March 2016.

2013 Marine Biology Student Katty Riquelme (UACh). Phisical and chemical patterns which modulate the distribution and abundance of the nano and picoplanktonic communit along the Valdivia river basin.. Defensa 15december 2013.(advisor)

2012 Marine Biology Student: Santiago Ancapichun (UACh) Thesis: Variability of the south pacific anticyclone and its oceanographic implications along Chilean coast. Co-advisor

Graduate Students
Advisor Master in Science on Hydrological Resources, Universidad Austral de Chile Tomas Vallejos. "Seasonal degradation of Acartia tonsa carcasses by heterotrophic bacteria at different salinities at the Valdivia River estuary, Chile. August 2018.

Co advisor Student: Dayane Osman. Master in Science on Hydrological Resources, Universidad Austral de Chile: "Environmental Effects of Cordon-Caulle eruption on the distribution of phytoplankton in seven Araucanian lakes region of Rivers. November 13, 2013.

External Reviewer: Paula Mendoza Student Master in Oceanography. Universidad de Concepción. Thesis Title: "Distribution of carnivorous gelatinous zooplankton in the upwelling region of northern Chile: Effect of oxygen minimum zone and implications for early stages of anchovy, EngraulisRingens". Defense in January 2011

External Reviewer: Paulo Lagos. Master Thesis in Marine Biology(Universidad Andres Bello). Effects of UV radiation on the RNA / DNA ratio and Antarctic copepods central Chile.July 2013.

Academic Service
Invited Lecturer for the international Postgraduate course (Universidad de Concepcion).
Invited Lecturer for the PhD course of Coastal Oceanography. Universidad Austral de Chile.

Reviewer for: Journal of Plankton Research, Continental Shelf Research, Marine Ecology Progress Series,
Progress in Oceanography, Latin American Journal of Aquatic Research, Coasts and Shelf Science, Polar Biology, Journal of Marine Systems, Deep Sea Research I, Marine Biology, Crustaceana, Journal of the Marine Biological Association of the United Kingdom.

Proposal evaluator for: CONICYT, Chilean Antarctic Institute (INACH), Argentinian National Agency of Science and Technology (Agencia Nacional de Promoción de Ciencia y Tecnología - ANPCyT).

SCAR poster selection

Scientific Comitee of Oceanographic Research

Estados Unidos, 2008

Best poster presentation (SCOR 50th aniversary) Woods Hole


Automated FerryBox monitoring reveals the first recorded river induced crude oil seep transport to the Strait of Magellan in southern Patagonia Giesecke, Ricardo; Galban-Malagon, Cristobal; Salamanca, Marcos; Chandia, Cristian; Ruiz, Cristian Article WOS SCIENCE OF THE TOTAL ENVIRONMENT (2024)
Molecular evidence for a new endemic species of <i>Acartia</i> (Copepoda, Calanoida) from the Southeast Pacific coast Mesas, Andres; Aguilera, Victor M.; Gonzalez, Carolina E.; Giesecke, Ricardo; Escribano, Ruben; Vargas, Cristian A. Article ISI SCIENTIFIC REPORTS (2024)
Occurrence and diffusive air-seawater exchanges of organochlorine pesticides (OCPs) and polychlorinated biphenyls (PCBs) in Fildes Bay, King George Island, Antarctica Luarte, Thais; Hirmas-Olivares, Andrea; Hofer, Juan; Giesecke, Ricardo; Mestre, Mireia; Guajardo-Leiva, Sergio; Castro-Nallar, Eduardo; Perez-Paradal, Andres; Chiang, Gustavo; Lohmann, Rainer; Dachs, Jordi; Nash, Susan Bengtson; Pulgar, Jose; Pozo, Karla; Pribylova, Petra P.; Martinik, Jakub; Galban-Malagon, Cristobal Article ISI SCIENCE OF THE TOTAL ENVIRONMENT (2024)
Rapid change in plankton community structure during spring along the eastern Beagle Channel Cadaillon, Andreana; Iachetti, Clara M.; Giesecke, Ricardo; Lepio, Valeska Vasquez; Malits, Andrea; Schloss, Irene R. Article ISI JOURNAL OF MARINE SYSTEMS (2024)
Seasonal and spatial variability of vertical particle flux along the Beagle Channel (Southern Patagonia) Flores-Melo, X.; Giesecke, R.; Schloss, I. R.; Latorre, M. P.; de Madron, X. Durrieu; Bourrin, F.; Spinelli, M. L.; Menniti, C.; Gonzales, H. E.; Menschel, E.; Martin, J. Article ISI JOURNAL OF MARINE SYSTEMS (2024)
Alexandrium catenella dynamics and paralytic shellfish toxins distribution along the Beagle Channel (southern Patagonia) Schloss, Irene R.; Pizarro, Gemita; Cadaillon, Andreana M.; Giesecke, Ricardo; Hernando, Marcelo P.; Almandoz, Gaston O.; Latorre, Maite P.; Malits, Andrea; Flores-Melo, Ximena; Saravia, Leonardo A.; Martin, Jacobo; Guzman, Leonardo; Iachetti, Clara M.; Ruiz, Cristian Article ISI JOURNAL OF MARINE SYSTEMS (2023)
General circulation and tidal wave propagation along the Beagle Channel Martin, Jacobo; Alonso, Guadalupe; Dragani, Walter; Meyerjuergens, Jens; Giesecke, Ricardo; Cucco, Andrea; Fenco, Harold Article ISI JOURNAL OF MARINE SYSTEMS (2023)
Plankton metabolic balance in the eastern Beagle Channel Latorre, M. P.; Berghoff C.F.; Giesecke R.; Malits A.; Pizarro, G.; Iachetti C.M.; Martin J.; Flores-Melo, X.; Gil, M.N.; Iriarte, J.L.; Irene R Schloss Article JOURNAL OF MARINE SYSTEMS (2023)
Plankton metabolic balance in the eastern Beagle Channel during spring Latorre, M. P.; Berghoff, C. F.; Giesecke, R.; Malits, A.; Pizarro, G.; Iachetti, C. M.; Martin, J.; Flores-Melo, X.; Gil, M. N.; Iriarte, J. L.; Schloss, I. R. Article ISI JOURNAL OF MARINE SYSTEMS (2023)
Rapid change in plankton community structure during spring along the eastern Beagle Channel. Cadaillon A.; Iachetti C.M.; Giesecke R.; Lepio V.V.; Malits A.; Irene R Schloss Article JOURNAL OF MARINE SYSTEMS (2023)
Spring plankton energy content by size classes in two contrasting environments of a high latitude ecosystem: The Beagle Channel Bruno, Daniel O.; Valencia-Carrascoco, Constanza; Paci, Maria A.; Leonarduzzi, Ezequiel; Castro, Leonardo; Riccialdelli, Luciana; Iachetti, Clara M.; Cadaillon, Andreana; Giesecke, Ricardo; Schloss, Irene R.; Berghoff, Carla F.; Martin, Jacobo; Diez, Mariano; Cabreira, Ariel; Presta, Maria L.; Capitanio, Fabiana L.; Boy, Claudia C. Article ISI JOURNAL OF MARINE SYSTEMS (2023)
Assessment of Microbial Community Composition Changes in the Presence of Phytoplankton-Derived Exudates in Two Contrasting Areas from Chilean Patagonia Valdes-Castro, Valentina; Gonzalez, Humberto E.; Giesecke, Ricardo; Fernandez, Camila; Molina, Veronica Article ISI DIVERSITY-BASEL (2022)
Circulation and distribution of suspended mesozooplankton carcasses in a mid-latitude estuary Garcia-Ruiz, Andres; Carpio, Manuel; Giesecke, Ricardo; Bermudez, Maria; Diez-Minguito, Manuel Article ISI JOURNAL OF MARINE SYSTEMS (2022)
Projecting environmental and krill fishery impacts on the Antarctic Peninsula food web in 2100 Testa, G.; Neira, S.; Giesecke, R.; Pinones, A. Article ISI PROGRESS IN OCEANOGRAPHY (2022)
General Hydrography of the Beagle Channel, a Subantarctic Interoceanic Passage at the Southern Tip of South America Giesecke, Ricardo; Martin, Jacobo; Pinones, Andrea; Hoefer, Juan; Garces-Vargas, Jose; Flores-Melo, Ximena; Alarcon, Emilio; Durrieu de Madron, Xavier; Bourrin, Francois; Gonzalez, Humberto E. Article ISI FRONTIERS IN MARINE SCIENCE (2021)
Organic matter distribution, composition and its possible fate in the Chilean North-Patagonian estuarine system Gonzalez, HE; Nimptsch, J; Giesecke, R; Silva, N Article ISI SCOPUS SCIENCE OF THE TOTAL ENVIRONMENT (2019)
The role of water column stability and wind mixing in the production/export dynamics of two bays in the Western Antarctic Peninsula HÃ¶fer J.; Giesecke R.; Hopwood M.J.; Carrera V.; AlarcÃ³n E.; GonzÃ¡lez H.E. Article ISI SCOPUS PROGRESS IN OCEANOGRAPHY (2019)
Death in southern Patagonian fjords: Copepod community structure and mortality in land- and marine-terminating glacier-fjord systems Giesecke, R; HÃ¶fer J.; Vallejos T.; GonzÃ¡lez H.E. Article ISI SCOPUS PROGRESS IN OCEANOGRAPHY (2018)
Breeding season of the South American fur seal (Arctocephalus australis, Otariidae: Carnivora): New data for establishing independent evolutionary histories? Héctor J Pavés; Roberto P Schlatter; Valentina Franco-Trecu; Enrique Páez; Walter Sielfeld; Viviana Araos; Ricardo Giesecke; Luis Mario Batallés; Humberto Luis Cappozzo Article ISI SCIELO REVISTA DE BIOLOGIA MARINA Y OCEANOGRAFIA (2016)
Coastal-oceanic distribution gradient of coccolithophores and their role in the carbonate flux of the upwelling system off Concepcion, Chile (36 degrees S) Menschel, Eduardo; Gonzlez, Humberto E.; Giesecke, Ricardo Article ISI JOURNAL OF PLANKTON RESEARCH (2016)
Plankton dynamics and zooplankton carcasses in a mid-latitude estuary and their contributions to the local particulate organic carbon pool Giesecke, R; Vallejos T.; Sánchez, M; Teiguiel, K. Article Continental Shelf Research (2016)
Does filter type and pore size influence spectroscopic analysis of freshwater chromophoric DOM composition? Nimptsch, J; Woelfl, S; Kronvan, B.; Giesecke, R; González H.E.; caputo, L; Gelbrecht, J; von Tuempling, W; Graeber, D Article ISI SCOPUS LIMNOLOGICA (2014)
Massive salp outbreaks in the inner sea of Chiloe Island (Southern Chile): possible causes and ecological consequences Giesecke, R; Clement A.; Garces-Vargas, J; Mardones J.I.; González H.E.; caputo, L; Castro L. Article ISI LATIN AMERICAN JOURNAL OF AQUATIC RESEARCH (2014)
Massive salp outbreaks in the inner sea of Chiloé island (Southern Chile): Possible causes and ecological consequences [Proliferaciones masivas de salpas en el mar interior de la isla de Chiloé (sur de Chile): Posibles causas y consecuencias ecológicas] Giesecke, R; Clement A.; Garcés-Vargas J.; Mardones J.I.; González H.E.; caputo, L; Castro L. Article SCOPUS Latin American Journal of Aquatic Research (2014)
Distribution and feeding of chaetognaths in the epipelagic zone of the Lazarev Sea (Antarctica) during austral summer Giesecke, R; González H.E. Article ISI SCOPUS Polar Biology (2012)
Distribution and feeding of chaetognaths in the epipelagic zone of the Lazarev Sea (Antarctica) during austral summer Giesecke, R.; González, H.E.; Giesecke, R. Article Polar Biology (2012)
Seasonal plankton variability in Chilean Patagonia fjords: Carbon flow through the pelagic food web of Aysen Fjord and plankton dynamics in the Moraleda Channel basin González HE; Castro L.; Daneri G.; Iriarte, JL; Silva N.; Vargas, CA; Giesecke, R; Sánchez N. Article ISI SCOPUS Continental Shelf Research (2011)
The role of the chaetognath Sagitta gazellae in the vertical carbon flux of the Southern Ocean Giesecke, R; González HE; Bathmann U Article ISI SCOPUS Polar Biology (2010)
Reproduction and feeding of Sagitta enflata in the Humboldt Current system off Chile Giesecke, R; González HE Article ISI ICES JOURNAL OF MARINE SCIENCE (2008)
Carbon cycling through the pelagic foodweb in the northern Humboldt Current off Chile (23 degrees S) González HE; Giesecke, R; Vargas, CA; Pavez A.; Iriarte J; Santibáñez P; Castro L.; Escribano R.; Pages, F Article ISI ICES JOURNAL OF MARINE SCIENCE (2004)
Feeding of Sagitta enflata and vertical distribution of chaetognaths in relation to low oxygen concentrations Giesecke, R; González HE Article ISI JOURNAL OF PLANKTON RESEARCH (2004)
Mandible characteristics and allometric relations in copepods: a reliable method to estimate prey size and composition from mandible occurrence in predator guts Giesecke, R; González HE Article ISI SCIELO Revista chilena de historia natural (2004)


Quetognatos Giesecke, R; Hidalgo, Pamela; Marchant, Margarita BookSection (2023)


Carbon cycling through the pelagic foodweb in the northern Humboldt Current off Chile (23°S) González H.E.; Giesecke, R; Santibáñez P; Escribano R.; Vargas, C.A.; Pavez, M.; Castro L.; Iriarte J; Pages, F ConferencePaper ICES JOURNAL OF MARINE SCIENCE (2004)


Condiciones físico-químicas y biológicas en áreas de transición del borde oriental del Pacífico Giesecke, R; Corredor-Acosta, Andrea Proyecto (2024)
CoastCarb Jerosh, Kerstin Proyecto (2020)
Oceanographic Data Architecture for Efficient Storage and Sharing for IDEAL Giesecke, Ricardo; Garcés-Vargas J. Proyecto (2020)
RIO "Ríos Influenciando al Océano" León Jorge; Giesecke, R Proyecto (2020)
Sistema autonomo de monitoreo ambiental de de fiordos y canales de la Región de Magallanes Giesecke, Ricardo; Garces-Vargas, Jose; Piñones M.A. Proyecto (2020)
Dynamic impact of ice mass loss in the Andes on terrestrial, limnic and marine ecosystems Bernd Krock; Filun, Diego Proyecto (2018)
Workshop Oceanographic Observation and Monitoring Systems Office of Naval Research (N62909-18-1-2183) Proyecto 2018-2019 Director(a)
Red de monitoreo ambiental del estuario del Río Valdivia para una mejor gestión pública y privada. Fondo de Innovación para la Competitividad, Región de los Ríos. (111) Proyecto 2015-2017 Coinvestigador(a)
The other side of the coin: The role of estuaries as a source of mortality of marine zooplankton and the contribution of its carcasses to regenerated production Ricardo Giesecke Proyecto (2014)
Descripción de la ecología trófica del lobo marino común y del lobo fino austral mediante isótopos estables y su relación con las condiciones oceanográficas y pesqueras en el Sur de Chile. Dirección de Investigación y Desarrollo UACh (DID 2013-19) Proyecto 2013-2015 Coinvestigador(a)
The other side of the coin=> The role of estuaries as a source of mortality of marine zooplankton and the contribution of its carcasses to regenerated production FONDECYT (11130339) Proyecto 2013-2016 Inv. Principal
Caracterización del estado trófico de 6 Lagos Nordpatagónicos de la Región de los Ríos=> distribución, abundancia y diversidad de fitoplancton con especial énfasis en el desarrollo de microalgas potencialmente tóxicas. Fondo de Protección Ambiental región de los Ríos (FPA2011) Proyecto 2012-2014 Coinvestigador(a)
Rol de la trama trófica microbiana pelágica en el flujo de carbono durante condiciones de invierno entre Boca del Guafo y Estero Elefantes. CONA (CIMAR18) Proyecto 2012-2014 Investigador(a)
. Caracterización y remineralización de la materia orgánica alóctona (terrestre) y autóctona (producción primaria local) y su destino en la trama trófica microbiana y el flujo vertical en el fiordo Reloncaví y Mar Interior de Chiloé. CONA (CIMAR 17) Proyecto 2011-2013 Investigador(a)
Identificación del origen y aporte proporcional de la materia orgánica disuelta dentro del sistema fluvial del humedal Carlos Anwandter (río Cruces) mediante técnicas espectro-fluorométricas. Dirección de Investigación y Desarrollo UACh (SE 2011-02) Proyecto 2011-2013 Coinvestigador(a)
Subsidio del material alóctono terrestre en la productividad de los sistemas límnicos, estuarinos y marinos a lo largo de la cuenca del río Valdivia. Dirección de Investigación y Desarrollo UACh (SE 2011-01) Proyecto 2011-2012 Inv. Principal
Estimación de Capacidad de carga de fiordos y canales australes mediante el uso de modelos matemáticos”. Programa Copas-Sur Austral Proyecto 2010-2011 Investigador(a)
Estudio de caracterización de las condiciones ambientales de centros de cultivos localizados en fondos duros y semi duros de la región de Aysen. profundidades menores o iguales a 60 mts. Investigador asociado. Sernapesca Proyecto 2010-2010 Investigador(a)
Predation impact and role in the vertical carbon flux of Chaetognaths and Amphipods in the Southern Ocean INACH (G12-09) Proyecto 2009-2011 Coinvestigador(a)
Strengthening of the scientific capabilities in the areas of marine and limnological sciences of the Universidad Austral de Chile PAI (791000016) Proyecto 2008-2012 Investigador(a)
Biología y ecología de zooplancton gelatinoso en el mar de Lazarev (Antártica) POGO-IOC-SCOR, DAAD (LAKRIS) Proyecto 2005-2006 Investigador(a)
Centro de Investigación Dinámica de Ecosistemas Marinos de Altas Latitudes (IDEAL) HUMBERTO GONZALEZ; Ricardo Giesecke Proyecto (0)


Seasonal and inter-annual variation of mesozooplankton in the coastal upwelling zone off central-southern Chile Escribano R.; Hidalgo, P.; GONZALEZ, H; Giesecke, R; Riquelme-Buguenio, R; Manríquez K Review ISI SCOPUS PROGRESS IN OCEANOGRAPHY (2007)