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Stefan Adolf Woelfl -

Senior Profesor

UNIVERSIDAD AUSTRAL DE CHILE

Valdivia, Chile

Limnologia; Zooplancton de lagos, Contaminacion acuatica; Ciliados mixotroficos, Balances de nutrientes, Bioacumulacion de metales en organismos acuaticos usando metodo analitico de fluorescencia total de rayos X (TXRF), Impacto de salmonicultura en lagos y ríos

Limnology, University of Konstanz. Alemania, 1995

Profesor Titular Full Time

Universidad Austral de Chile

Faculty of Science

Valdivia, Chile

1999 - 2026

Senior Profesor Full Time

University Austral

Valdivia, Chile

1999 - A la fecha

Underground students :

Nathaly Navarro (2014) “Aporte de nitrógeno soluble y total por la actividad acuícola de le río Molco, cuenca del Lago Villarrica”. Escuela de Biología Marina
Juan Carlos Reyes (2014) “Distribución de microcrustáceos e impacto de la erupción del Complejo Volcánico Cordón Caulle-Puyehue en tres lagos Nordpatagónicos”. Escuela de Biología Marina.

Javiera Paz Miranda Mitre (2014) “Aporte de fósforo soluble y total por la actividad acuícola de le río Molco, cuenca del Lago Villarrica”. Escuela de Biología Marina.
Luis Riquelme (2014) ¿ Limitan los los nutrientes nitrógebno y fósforo la tasa fotosintética de Stentor (S.araucanus y S.amethystinus), importantes ciliados mixotróficos en los lagos nord patagónicos? ”. Escuela de Biología Marina

Diógenes Leonel Castro Melo (2012). Determinación de la ocurrencia y efectividad de la dispersión fluvial del ciliado mixotrófico Stentor entre lagos interconectados del distrito de los Lagos Nordpatagónicos (39º - 42º S), Chile. Escuela de Biología Marina.

Marco Antonio Kremps Jiménez (2011) Ingestión y Asimilación del ciliado mixotrófico Stentor por parte de Mesocyclops araucanus en los lagos Nord Patagónicos (39º - 42º S), Chile. Escuela de Biología Marina

Ana Lorca (2010) Acumulación de metales pesados en parásitos de peces nativos en el Santuario de la Naturaleza; Décima Región de Chile. Escuela de Biología Marina

Paulina Ramos (2009) Efecto de efluentes de pisciculturas sobre la estructura de la comunidad bentónica en ríos de la región de la Araucanía. Escuela de Ciencias

Jovita Soledad Mancilla Catalán (2007) Cultivo y determinación de la productividad primaria de Stentor araucanus y Stentor amethystinus, provenientes de lagos Nord Patagónicos (39ºS- 42º S), bajo condiciones de laboratorio”. Escuela de Biología Marina

Silvana Chavez (2006). Impacto de la depredación del copépodo ciclopoídeo Mesocyclops longisetus sobre el ciliado mixotrófico Stentor proveniente de lagos Nord Patagónicos (39ºS- 42º S), bajo condiciones de laboratorio. Escuela de Biología Marina

Bernhard Vogt (2006) Predación de peces sobre Stentor, University of Potsdam (Germany).

Carola Tapia (2005). Bioensayo de Toxicidad aguda con Daphnia pulex (Crustácea: Cladócera) proveniente de diferentes lagos de Chile, frente a Carbendazim y 2,4 D, usando comotóxico de referncia dicromato de potasio (K2Cr2O7). Escuela de Ciencias

Daniela María Luisa Gutierrez Jorquera (2004) Obtencion de cultivos de Daphnia pulex Leydig, 1860, organismo nativo de ecosistemas lacutres de sur de Chile y Bioensayos de toxicidad aguda usando como tóxico de referencia Dicromato de Potasio, K2Cr2O7 , 44 pag., Escuela de Biología Marina

Paz Carolina Raquel García Boskamp (2006) Dinámica Poblacional de Stentor en los Lagos Colico y Caburgua, Distrito de los Lagos Araucanos (Nord Patagonia) Sur de Chile. Escuela de Biología Marina. 87 pag.

Susana Isabel Mercado Leal (2004) Acumulación de metales pesados en microcrustaceos planctónicos provenientes de un Embalse contaminado por relaves mineros, Embalse Rapel (34 10‘ – 71 19‘ W), Chile, 57 pag. Escuela de Biología Marina

Postgraduate students:

Javiera Paz Miranda Mitre (2014) “Aporte de fósforo soluble y total por la actividad acuícola de le río Molco, cuenca del Lago Villarrica”. Escuela de Biología Marina.

Sibel Villalobos (2014) Implementación de índices fitobiológicos para la evaluación del estado trófico del lago Llanquihue.

Andres Lozano (2011). Exportación de nutrientes desde cuencas de primer orden durante eventos lluviosos. Magister en Recurdos Hidricos


USE OF NULL MODELS TO EXPLAIN CRUSTACEAN ZOOPLANKTON ASSEMBLAGES IN NORTH PATAGONIAN LAKES WITH PRESENCE OR ABSENCE OF MIXOTROPHIC CILIATES (38 degrees S, CHILE) De los R?os-Escalante, Patricio; Woelfl, Stefan Article ISI SCOPUS CRUSTACEANA (2017)
Determination of trace elements in freshwater rotifers and ciliates by total reflection X-ray fluorescence spectrometry Woelfl S.; Ovari, M; Nimptsch J.; Neu, TR; Mages, M Article Spectrochimica Acta - Part B Atomic Spectroscopy (2016)
First record of toxins associated with cyanobacterial blooms in oligotrophic North Patagonian lakes of Chile-a genomic approach Nimptsch J.; Woelfl S.; Osorio S.; Valenzuela J.; Moreira C.; Ramos V.; Castelo-Branco R.; Leão P.N.; Vasconcelos V. Article International Review of Hydrobiology (2016)
First record of toxins associated with cyanobacterial blooms in oligotrophic North Patagonian lakes of Chilea genomic approach Nimptsch, J; Woelfl, S; Osorio, S; Valenzuela J.; Moreira, C; Ramos, V; Castelo-Branco R.; Leão P.N.; Vasconcelos, V Article ISI SCOPUS INTERNATIONAL REVIEW OF HYDROBIOLOGY (2016)
Tracing dissolved organic matter (DOM) from land-based aquaculture systems in North Patagonian streams Nimptsch, J; Woelfl, S; Osorio, S; Ebersbach, P.; v. Tuempling, W.; Palma R.; Encina F.; Figueroa D. Article ISI SCOPUS Science of the Total Environment (2015)
Tracing dissolved organic matter (DOM) from land-based aquaculture systems in North Patagonian streams. Nimptsch, Jorge; Woelfl, Stefan; Osorio, Sebastian; Valenzuela, Jose; Ebersbach, Paul; von Tuempling, Wolf; Palma, Rodrigo; Encina, Francisco; Figueroa, David; Kamjunke, Norbert; Graeber, Daniel Article The Science of the total environment (2015)
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)
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 LIMNOLOGICA (2014)
Consumption of large, Chlorella-bearing ciliates (Stentor) by Mesocyclops araucanus in North Patagonian lakes Kamjunke, N; Kramps M.; Chávez S.; Woelfl S. Article JOURNAL OF PLANKTON RESEARCH (2012)
Consumption of large, Chlorella-bearing ciliates (Stentor) by Mesocyclops araucanus in North Patagonian lakes Kamjunke, N; Kramps M.; Chavez S.; Woelfl, S Article JOURNAL OF PLANKTON RESEARCH (2012)
Consumption of large, Chlorella-bearing ciliates (Stentor) by Mesocyclops araucanus in North Patagonian lakes Kamjunke, N; Kramps M.; Chávez S.; Woelfl, S Article ISI SCOPUS Journal of Plankton Research (2012)
Ecomicrobiology and microbial assimilative capacity of the oligotrophic Andean Lake Laja, Chile Karrasch B.; Woelfl, S; Urrutia R.; Gonzalez, J; Valdovinos C.; Cid, H.; Parra, O. Article ISI SCIELO SCOPUS Revista Chilena de Historia Natural (2011)
Ecomicrobiology and microbial assimilative capacity of the oligotrophic Andean Lake Laja, Chile Karrasch, B; Woelfl, S; Urrutia, R; Gonzalez J.; Valdovinos, C; Cid, H; Parra, O Article Revista chilena de historia natural (2011)
USE OF NULL MODELS TO EXPLAIN CRUSTACEAN ZOOPLANKTON ASSEMBLAGES IN NORTHERN PATAGONIAN LAKES (CHILE) WITH AND WITHOUT MIXOTROPHIC CILIATES De Los Rios Escalante P.; Woelfl, S Article ISI SCOPUS Crustaceana (2011)
USE OF NULL MODELS TO EXPLAIN CRUSTACEAN ZOOPLANKTON ASSEMBLAGES IN NORTHERN PATAGONIAN LAKES (CHILE) WITH AND WITHOUT MIXOTROPHIC CILIATES De los Rios-Escalante P.; Woelfl, S Article CRUSTACEANA (2011)
Chlorella-bearing ciliates (Stentor, Ophrydium) dominate in an oligotrophic, deep North Patagonian lake (Lake Caburgua, Chile) Woelfl, S; Garcia P.; Duarte, C. Article ISI SCOPUS Limnologica (2010)
Chlorella-bearing ciliates (Stentor, Ophrydium) dominate in an oligotrophic, deep North Patagonian lake (Lake Caburgua, Chile) Woelfl, S; Garcia P.; Duarte, C Article LIMNOLOGICA (2010)
Identification of a Potential Copepod Intermediate Host of Camallanus corderoi (Nematoda: Camallanidae) in Southern Chile Torres, P; Villalobos, L; Woelfl, S Article COMPARATIVE PARASITOLOGY (2010)
Identification of a Potential Copepod Intermediate Host of Camallanus corderoi (Nematoda: Camallanidae) in Southern Chile Torres P.; Villalobos, L.; Woelfl, S Article ISI SCOPUS Comparative Parasitology (2010)
Trophic interactions of the pelagic ciliate Stentor spp. in North Patagonian lakes Kamjunke, N; Vogt, B; Woelfl, S Article ISI SCOPUS LIMNOLOGICA (2009)
Trophic interactions of the pelagic ciliate Stentor spp. in North Patagonian lakes Kamjunke, N; Vogt, B; Woelfl, S Article LIMNOLOGICA (2009)
Trace metal concentrations in single specimens of the intestinal broad flatworm (Diphyllobothrium latum), compared to their fish host (Oncorhynchus mykiss) measured by total reflection X-ray fluorescence spectrometry Woelfl, S; Mages, M; Torres P. Article ISI SCOPUS SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY (2008)
Trace metal concentrations in single specimens of the intestinal broad flatworm (Diphyllobothrium latum), compared to their fish host (Oncorhynchus mykiss) measured by total reflection X-ray fluorescence spectrometry Woelfl, S; Mages, M; Torres, P Article SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY (2008)
Experimental infection of copepods from four lakes in southern Chile with Diphyllobothrium latum (Linnaeus, 1758) Coracidia Torres P.; Villalobos, L.; Woelfl, S Article ISI SCOPUS COMPARATIVE PARASITOLOGY (2007)
Experimental infection of copepods from four lakes in southern Chile with Diphyllobothrium latum (Linnaeus, 1758) Coracidia Torres, P; Villalobos, L; Woelfl, S Article COMPARATIVE PARASITOLOGY (2007)
Preface: Limnology of temperate South America Woelfl, S; Zagarese, H; Pedrozo, F Article LIMNOLOGICA (2007)
The distribution of large mixotrophic ciliates (Stentor) in deep North Patagonian lakes (Chile): First results Woelfl, S Article ISI SCOPUS LIMNOLOGICA (2007)
The distribution of large mixotrophic ciliates (Stentor) in deep North Patagonian lakes (Chile): First results Woelfl, S Article LIMNOLOGICA (2007)
Determination of heavy metals in macrozoobenthos from the rivers Tisza and Szamos by total reflection X-ray fluorescence spectrometry Woelfl, S; Mages, M; Ovari, M; Geller, W Article SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY (2006)
Determination of heavy metals in macrozoobenthos from the rivers Tisza and Szamos by total reflection X-ray fluorescence spectrometry Woelfl, S; Mages, M; Ovari, M; Geller, W. Article ISI SCOPUS SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY (2006)
Notas sobre protozoos ciliados dulceacuícolas de Chile Woelfl, Stefan Article Gayana (Concepción) - International Journal of Biodiversity, Oceanology and Conservation (2006)
Notes on ciliated freshwater protozoa of Chile Notas sobre protozoos ciliados dulceacuicolas de Chile Woelfl, S Article GAYANA (CONCEPCION) - INTERNATIONAL JOURNAL OF BIODIVERSITY, OCEANOLOGY AND CONSERVATION (2006)
Trace metals in microcrustaceans and Brazilian waterweed from a contaminated Chilean wetland using total reflection X-ray fluorescence spectrometry Woelfl, S; Mages, M; Encina F.; Bravo F. Article ISI SCOPUS MICROCHIMICA ACTA (2006)
Trace metals in microcrustaceans and Brazilian waterweed from a contaminated Chilean wetland using total reflection X-ray fluorescence spectrometry Woelfl, S; Mages, M; Encina, F; Bravo, F Article MICROCHIMICA ACTA (2006)
Determination of heavy metals in macrozoobenthos (chironomid larvae) from the river Tisza by total reflection X-ray fluorescence spectrometry Woelfl, S; Mages, M; Ovari, M; Geller, W. Article METAL IONS IN BIOLOGY AND MEDICINE, VOL 8 (2004)
Determination of heavy metals in macrozoobenthos (chironomid larvae) from the river Tisza by total reflection X-ray fluorescence spectrometry Woelfl, S; Mages, M; Ovari, M; Geller, W Article METAL IONS IN BIOLOGY AND MEDICINE, VOL 8 (2004)
Determination of trace elements in planktonic microcrustaceans using total reflection X-ray fluorescence (TXRF): First results from two Chilean lakes Woelfl, S; Mages, M; Mercado, S; Villalobos, L.; Ovari, M; Encina F. Article ISI SCOPUS ANALYTICAL AND BIOANALYTICAL CHEMISTRY (2004)
Determination of trace elements in planktonic microcrustaceans using total reflection X-ray fluorescence (TXRF): First results from two Chilean lakes Woelfl, S; Mages, M; Mercado, S; Villalobos, L; Ovari, M; Encina, F Article ANALYTICAL AND BIOANALYTICAL CHEMISTRY (2004)
Identification of the copepod intermedia host of the introduced broad fish tapeworm, Diphyllobothrium latum, in Southern Torres P.; Villalobos, L.; Woelfl, S; Puga S. Article ISI SCOPUS JOURNAL OF PARASITOLOGY (2004)
Identification of the copepod intermedia host of the introduced broad fish tapeworm, Diphyllobothrium latum, in Southern Torres, P; Villalobos, L; Woelfl, S; Puga, S Article JOURNAL OF PARASITOLOGY (2004)
The use of a portable total reflection X-ray fluorescence spectrometer for trace element determination in freshwater microcrustaceans (Daphnia) Mages, M; Woelfl, S; Ovari, M; von Tumpling, W; Encina, F Article SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY (2004)
The use of a portable total reflection X-ray fluorescence spectrometer for trace element determination in freshwater microcrustaceans (Daphnia) Mages, M; Woelfl, S; Ovari, M; von Tumpling, W; Encina F. Article ISI SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY (2004)
Three-dimensional differentiation of photo-autotrophic biofilm constituents by multi-channel laser scanning microscopy (single-photon and two-photon excitation) Neu, TR; Woelfl, S; Lawrence, JR Article ISI SCOPUS JOURNAL OF MICROBIOLOGICAL METHODS (2004)
Three-dimensional differentiation of photo-autotrophic biofilm constituents by multi-channel laser scanning microscopy (single-photon and two-photon excitation) Neu, TR; Woelfl, S; Lawrence, JR Article JOURNAL OF MICROBIOLOGICAL METHODS (2004)
Total reflection X-ray fluorescence spectrometric determination of element inlets from mining activities at the upper Tisza, catchment area, Hungary Ovari, M; Mages, M; Woelfl, S; von Tumpling, W; Kropfl, K; Zaray, G Article ISI SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY (2004)
Total reflection X-ray fluorescence spectrometric determination of element inlets from mining activities at the upper Tisza, catchment area, Hungary Ovari, M; Mages, M; Woelfl, S; von Tumpling, W; Kropfl, K; Zaray, G Article SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY (2004)
A study of the river basins and limnology of five humic lakes on Chiloé Island Villalobos, L; Parra, O; Grandjean, M; Jaque, E; Woelfl, S; Campos, H Article Revista chilena de historia natural (2003)
A study of the river basins and limnology of five humic lakes on Chiloé Island Villalobos, L.; Parra, O.; Grandjean, M; Jaque E.; Woelfl, S; Campos H. Article ISI SCIELO SCOPUS Revista chilena de historia natural (2003)
Cold plasma ashing improves the trace element detection of single Daphnia specimens by total reflection X-ray fluorescence spectrometry Woelfl, S; Mages, M; Encina F. Article ISI SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY (2003)
Cold plasma ashing improves the trace element detection of single Daphnia specimens by total reflection X-ray fluorescence spectrometry Woelfl, S; Mages, M; Encina, F Article SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY (2003)
Lake Chapo: a baseline study of a deep, oligotrophic North Patagonian lake prior to its use for hydroelectricity generation: I. Physical and chemical properties Woelfl, S; Villalobos, L; Parra, O; Steffen, W; Campos, H Article HYDROBIOLOGIA (2003)
Lake Chapo: a baseline study of a deep, oligotrophic North Patagonian lake prior to its use for hydroelectricity generation: I. Physical and chemical properties Woelfl, S; Villalobos, L.; Parra, O.; Steffen, W; Campos H. Article ISI SCOPUS HYDROBIOLOGIA (2003)
Lake Chapo: a baseline study of a deep, oligotrophic North Patagonian lake prior to its use for hydroelectricity generation: II. Biological properties Villalobos, L.; Woelfl, S; Parra, O.; Campos H. Article ISI SCOPUS HYDROBIOLOGIA (2003)
Lake Chapo: a baseline study of a deep, oligotrophic North Patagonian lake prior to its use for hydroelectricity generation: II. Biological properties Villalobos, L; Woelfl, S; Parra, O; Campos, H Article HYDROBIOLOGIA (2003)
The use of a portable total reflection X-ray fluorescence spectrometer for field investigation Mages, M; Woelfl, S; Ovari, M; von Tumpling, W Article ISI SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY (2003)
The use of a portable total reflection X-ray fluorescence spectrometer for field investigation Mages, M; Woelfl, S; Ovari, M; von Tumpling, W Article SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY (2003)
Trophic parameters and method validation in Lake Riñihue (North Patagonia: Chile) from 1978 through 1997 Woelfl, S; Villalobos, L.; Parra, O. Article ISI SCIELO SCOPUS Revista chilena de historia natural (2003)
Trophic parameters and method validation in Lake Riñihue (North Patagonia: Chile) from 1978 through 1997 Woelfl, S; Villalobos, L; Parra, O Article Revista chilena de historia natural (2003)
Chlorella-bearing ciliates dominate in an oligotrophic North Patagonian lake (Lake Pirehueico, Chile): abundance, biomass and symbiotic photosynthesis Woelfl, S; Geller, W Article FRESHWATER BIOLOGY (2002)
Chlorella-bearing ciliates dominate in an oligotrophic North Patagonian lake (Lake Pirehueico, Chile): abundance, biomass and symbiotic photosynthesis Woelfl, S; Geller, W. Article ISI SCOPUS FRESHWATER BIOLOGY (2002)
A method for trace element determination of single Daphnia specimens using total reflection X-ray fluorescence spectrometry Mages, M; Woelfl, S; von Tumpling, W Article SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY (2001)
A method for trace element determination of single Daphnia specimens using total reflection X-ray fluorescence spectrometry Mages, M; Woelfl, S; von Tumpling, W Article ISI SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY (2001)
First results on the water chemistry, algae and trophic status of an Andean acidic lake system of volcanic origin in Patagonia (Lake Caviahue) Pedrozo F.; Kelly, L.; Diaz M.; Temporetti, P; Baffico G.; Kringel, R; Friese, K.; Mages, M; Geller, W.; Woelfl, S Article ISI SCOPUS HYDROBIOLOGIA (2001)
First results on the water chemistry, algae and trophic status of an Andean acidic lake system of volcanic origin in Patagonia (Lake Caviahue) Pedrozo, F; Kelly, L; Diaz M.; Temporetti, P; Baffico, G; Kringel, R; Friese, K; Mages, M; Geller, W; Woelfl, S Article HYDROBIOLOGIA (2001)
Limnology of sulphur-acidic lignite mining takes. Biological properties: plankton structure of an extreme habitat Woelfl, S Article INTERNATIONAL ASSOCIATION OF THEORETICAL AND APPLIED LIMNOLOGY, VOL 27, PT 5, PROCEEDINGS (2001)
Limnology of sulphur-acidic lignite mining takes. Biological properties: plankton structure of an extreme habitat Woelfl, S Article SIL Proceedings, 1922-2010 (2001)
A review on the occurrence and taxonomy of heterotrophic protists in extreme acidic environments of pH values <= 3 Packroff, G; Woelfl, S Article ISI SCOPUS HYDROBIOLOGIA (2000)
A review on the occurrence and taxonomy of heterotrophic protists in extreme acidic environments of pH values <= 3 Packroff, G; Woelfl, S Article HYDROBIOLOGIA (2000)
Occurrence of an algal mass development in an acidic (pH 2.5), iron and aluminium-rich coal mining pond Woelfl, S; Tittel, J; Zippel, B; Kringel, R Article ISI SCOPUS Acta Hydrochimica et Hydrobiologica (2000)
Sampling, preservation and quantification of biological samples from highly acidic environments (pH <= 3) Woelfl, S; Whitton, BA Article HYDROBIOLOGIA (2000)
Sampling, preservation and quantification of biological samples from highly acidic environments (pH <= 3) Woelfl, S; Whitton, BA Article ISI SCOPUS HYDROBIOLOGIA (2000)
A contribution to the study of the heavy-metal and nutritional element status of some lakes in the southern Andes of Patagonia (Argentina) Markert, B.; Pedrozo F.; Geller, W.; Friese, K.; Korhammer, S.; Baffico G.; Diaz M.; Wölfl, S. Article ISI The Science of Total Environment (1997)
Revision of the genus Stentor Oken (Protozoa, Ciliophora) and description of S.araucanus nov. spec, from South American lakes Foissner, W.; Wölfl, S. Article ISI JOURNAL OF PLANKTON RESEARCH (1993)
Notas sobre protozoos ciliados dulceacuícolas de Chile Woelfl, Stefan Article GAYANA
THROUGHFALL ENRICHMENT AND STREAM NUTRIENT CHEMISTRY IN SMALL HEADWATER CATCHMENTS WITH DIFFERENT LAND COVER IN SOUTHERN CHILE Pedro Hervé-Fernandez, Carlos E. Oyarzún, Stefan Woelfl Article Hydrological Processes (0)