Browsing by Author "Rudolph, Anny"
Now showing items 1-20 of 24
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Analysis of mayor zinc sources in marine sediments of the estuarine zone in Aysén Fjord, Chile
Ahumada, Ramón; González, Elizabeth; Medina, Valentina; Rudolph, Anny (2007)The present study determined the main sources of Zn enrichment at the head of Aysén Fjord. The study considered the analysis of the river sediments that enter the fjord (fluvial record), the marine sediments at the head ... -
Assessment of EDTA in Chromium (III-VI) toxicity on marine intertidal crab (Petrolisthes laevigatus)
Urrutia, Carolina; Rudolph, Anny; Lermanda, María Paz; Ahumada, Ramón (2008)Chromium poses a potential threat to coastal ecosystems. We used standard toxicity bioassays (semi-static, chronic) to evaluate EDTA as a chelating agent for reducing trivalent and hexavalent chromium toxicity on Petrolisthes ... -
Calidad de los sedimentos marinos entre el Estrecho de Magallanes y el Cabo de Hornos (Patagonia chilena) en función de pruebas de toxicidad
Rudolph, Anny; Novoa, Vanessa; Ahumada, Ramón; Sáez, Katia; Silva, Nelson (2014)La zona sur de la Patagonia chilena se está incorporando a la actividad productiva, a través del uso de sus cuerpos de agua en la acuicultura, lo que hace necesario establecer líneas bases de calidad de sus sedimentos. ... -
Calidad ecotoxicológica de los sedimentos en fiordos del sur de Chile
Rudolph, Anny; Medina, Paulina; Ahumada, Ramón; Novoa, Vanessa (2011)We analysed the ecotoxicological quality of sediments in Moraleda, Puyuguapi and Elefantes Channels andvAysén Fjord, located between 44º and 46.5ºS, using non-specific tests in order to evaluate their base conditions in ... -
Calidad ecotoxicológica de sedimentos en sectores del mar interior de Chiloé, campaña cimar 12 fiordos
Rudolph, Anny; Medina, Paulina; Novoa, Vanessa; Ahumada, Ramón; Cortés, Isel (2010)Se analiza la calidad de los sedimentos en sectores centrales y costeros del mar interior de Chiloé a través de ensayos de toxicidad (i.e., análisis de fecundación con gametos de Arbacia spatuligera (Valenciennes, 1841), ... -
Dissolved trace metals in the water column of Reloncaví Fjord, Chile
Ahumada, Ramón; Rudolph, Anny; González, Elizabeth; Fones, Gary; Saldías, Gonzalo (2011)We analyzed the concentration of dissolved trace metals (Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb) in the water column of Reloncaví Fjord. Sampling was performed during the CIMAR 12 Fiordos cruise in 2006. A total of 36 passive ... -
Distribución y concentración de Zn total en sedimentos del fiordo Aysén, sur de Chile, posterior al terremoto y tsunami de 2007
Ahumada, Ramón; Garrido, Mauricio; González, Elizabeth; Rudolph, Anny (2015)Entre febrero y mayo de 2007, se produjeron más de 1.200 movimientos sísmicos de una intensidad mayor de 3 grados Richter (i.e., enjambre) y un sismo de 6,2 grados, en el Fiordo Aysén, sur de Chile. El epicentro fue la ... -
Ecotoxicological quality in sediments of Reloncaví and Corcovado gulfs, Chile
Rudolph, Anny; Aguirre, Gabriela; Moscoso, Julio; Silva, Nelson; Ahumada, Ramón (2007)A study of the ecotoxicological quality of surface sediment was carried out on samples collected in the main fjords and interior channels between Reloncaví and Corcovado gulfs. The surface sediment samples were taken with ... -
Ecotoxicological sediment evaluations in marine aquaculture areas of Chile
Rudolph, Anny; Medina, Paulina; Urrutia, Carolina; Ahumada, Ramón (2009)Given its geographic characteristics, the southern Chilean fjord area is subjected to growing environmental pressure from the development of diverse forms of aquaculture (i.e., fish, algae, shellfish). The sediments ... -
Efecto del EDTA sobre la toxicidad del cromo (VI) en el desarrollo larval de Petrolisthes laevigatus (Guérin, 1835)
Lermanda, María Paz; Urrutia, Carolina; Novoa, Vanessa; Rudolph, Anny (2009)Se analizó el desarrollo larval y el crecimiento de Petrolisthes laevigatus en cinco concentraciones de Cr (VI):0 (control), 0,25; 0,5; 1 y 5 mg L-1 de cromo (VI) en agua de mar filtrada y las mismas cinco concentraciones ... -
EROD activity and biliary fluorescence in chroederichthys chilensis (Guichenot 1848) Biomarkers of PAH xposure in coastal environments of the South Pacific Ocean
Fuentes-Rios, Daniel; Orrego, Rodrigo; Rudolph, Anny; Mendoza, Gonzalo; Gavilán, Juan F.; Barra, Ricardo (2005)Schroederichthys chilensis is a common shark that lives in Chilean coastal environments. In this work, the relationship between liver 7-ethoxyresorufin-O-deethylase dealkylation (EROD) activity and Fluorescent Aromatic ... -
Evaluation of coastalwaters receiving fish processing waste: Lota bay as a case study
Ahumada, Ramón; Rudolph, Anny; Contreras Quintana, Sergio (2004)Liquid wastes from the fish meal and oil processing industries produce serious environmental impacts in coastal embayments on the coasts of Chile and Peru. This article presents an analysis of an environmental monitoring ... -
Hidrocarburos lineales como marcadores en el sedimento de procesos naturales y contaminación
Ahumada, Ramón; Jego, Marcela; Rudolph, Anny; Loyola, Rodrigo (2008)Los hidrocarburos del tipo n-alcanos son moléculas orgánicas que en condiciones naturales constituyen la fracción dominante de los hidrocarburos en los sedimentos marinos. Provienen de la biosíntesis de microalgas, ... -
Inhibitory Effects on Esterase Enzymes Buche and Ache in Rainbow Trout Oncorhyncus mykiss) Produced by the low Release Insecticide Chitosan Diethyl Phosphate
Rudolph, Anny; Cabrera, Gustavo; Cárdenas, Galo; Placencia, Juan A.; Yévenes, M. (2005)The study on the toxicity of chitosan diethyl phosphate (ChDP), a controlled release insecticide, on the activities of butyrylcholinesterase (BuChE) and acetylcholinesterase (AChE) in rainbow trout exposed to this pesticide ... -
Integrated use of biomarkers (O : N ratio and acetylcholinesterase inhibition) on aulacomya ater (Molina, 1782) (Bivalvia: Mytilidae) as a criteria for effects of organophosphate pesticide exposition
Führer, Eduardo; Rudolph, Anny; Espinoza, Claudio; Díaz, Rodrigo; Gajardo, Marisol; Camaño, Nuria (2012)The effect of residual concentrations of organophosphate pesticide chlorpyrifos (Lorsban 4E) on the activity of the acetylcholinesterase enzyme and oxygen : nitrogen ratio in the mussel Aulacomya ater was analyzed. Toxicity ... -
Levels and spatial distribution of polycyclic aromatic hydrocarbons (PAHs) in sediments from Lenga Estuary, central Chile
Pozo, Karla; Perra, Guido; Menchi, Valentina; Urrutia, Roberto; Parra, Oscar; Rudolph, Anny; Focardi, Silvano (2011)The Lenga Estuary is a small brackish wetland located southwest of San Vicente Bay, Region VIII, Chile. Surface sediment from nine sites in the estuary were analysed for PAHs and compared to Sediment Quality Guidelines ... -
Levels of Persistent Organic Pollutants (POPs) in sediments from Lenga estuary, central Chile
Pozo, Karla; Urrutia, Roberto; Mariottini, Michela; Rudolph, Anny; Banguera, Julieth; Pozo, Katerine; Parra, Oscar; Focardi, Silvano (2014)Superficial sediments from Lenga estuary in the VIII region of central Chile were analysed for Polychlorinated Biphenyls (PCBs) and Hexachlorobenzene (HCB). Organic carbon (OC) analysis was also performed and the statistical ... -
Multicompartmental analysis of POPs and PAHs in Concepciόn Bay, central Chile: Part I – Levels and patterns after the 2010 tsunami
Pozo, Karla; Gómez, Victoria; Přibylová, Petra; Lammel, Gerhard; Klánová, Jana; Rudolph, Anny; Ahumada, Ramón (2022)Persistent organic pollutants (POPs) and polycyclic aromatic hydrocarbons (PAHs) were determined in abiotic samples from Concepción Bay in Central Chile. Samples were soxhlet extracted and injected in gas chromatography–mass ... -
Polybrominated Diphenyl Ethers (PBDEs) in Concepción Bay, central Chile after the 2010 Tsunami
Pozo, Karla; Kukučka, Petr; Vaňková, Lenka; Přibylová, Petra; Klánová, Jana; Rudolph, Anny; Banguera, Julieth; Monsalves, Javier; Contreras Quintana, Sergio; Barra, Ricardo; Ahumada, Ramón (2015)PBDEs (10 congeners) were analyzed using GC–MS in superficial sediments and organisms of the Concepción Bay after the 2010 Tsunami. From all congeners analyzed PBDE-47, -99, -100 and -209 were the most frequently detected. ... -
Survey of persistent organic pollutants (POPs) and polycyclic aromatic hydrocarbons (PAHs) in the atmosphere of rural, urban and industrial areas of Concepciόn, Chile, using passive air samplers
Pozo, Karla; Harner, Tom; Rudolph, Anny; Oyola, German; Estellano, Victor H.; Ahumada, Ramón; Garrido, Mauricio; Pozo, Katerine; Mabilia, Rosanna; Focardi, Silvano (2012)Passive air samplers (PAS) consisting of polyurethane foam (PUF) disks were used to assess air concentrations of polychlorinated biphenyl (PCBs), polycyclic aromatic hydrocarbons (PAHs), organochlorine pesticides (OCPs) ...