Search Results - "Oyarzun, R."

On the use of Standardized Drought Indices under decadal climate variability: Critical assessment and drought policy implications by Núñez, J., Rivera, D., Oyarzún, R., Arumí, J.L.

“…•We critically assess Standardized Drought Indices.•Streamflow Drought Index under multidecadal climate variability has limitations.•We analyze consistency of…”
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Effects on the metabolism, growth, digestive capacity and osmoregulation of juvenile of Sub-Antarctic Notothenioid fish Eleginops maclovinus acclimated at different salinities by Vargas-Chacoff, L, Saavedra, E, Oyarzún, R, Martínez-Montaño, E, Pontigo, J. P, Yáñez, A, Ruiz-Jarabo, I, Mancera, J. M, Ortiz, E, Bertrán, C

“…In this study we assessed the influence of three different environmental salinities (5, 15 and 31 psu during 90 days) on growth, osmoregulation, energy…”
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Evaluating piezometric trends using the Mann-Kendall test on the alluvial aquifers of the Elqui River basin, Chile by Ribeiro, L., Kretschmer, N., Nascimento, J., Buxo, A., Rötting, T., Soto, G., Señoret, M., Oyarzún, J., Maturana, H., Oyarzún, R.

“…Today, more than ever, there is a need to implement robust statistical methods to ensure the proper evaluation of water resources data to support decision…”
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Atlantic salmon (Salmo salar) and Coho salmon (Oncorhynchus kisutch) display differential metabolic changes in response to infestation by the ectoparasite Caligus rogercresseyi by Vargas-Chacoff, L., Muñoz, J.L.P., Hawes, C., Oyarzún, R., Pontigo, J.P., Saravia, J., González, M.P., Morera, F.J., Labbé, B.S., Bertrán, C., Mardones, O., Pino, J., Wadsworth, S.

“…Caligus rogercresseyi sea lice negatively impact Chilean salmonid farming, but no complete characterization for the metabolic effects of Caligus infestation…”
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Influence of Pacific Ocean multidecadal variability on the distributional properties of hydrological variables in north-central Chile by Núñez, J., Rivera, D., Oyarzún, R., Arumí, J.L.

“…•We analyze PDO and ENSO relationship with precipitation and streamflow records.•Streamflows show regime shift consistent with that of PDO.•Precipitation does…”
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Hypoxia modulates the transcriptional immunological response in Oncorhynchus kisutch by Martínez, D., De Lázaro, O., Cortés, P., Oyarzún-Salazar, R., Paschke, K., Vargas-Chacoff, L.

“…Oncorhynchus kisutch is the third most cultivated salmonid species in the Chilean salmon industry and its farming conditions are characterised by high stocking…”
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Intestinal variation of serotonin, melatonin, and digestive enzymes activities along food passage time through GIT in Salmo salar fed with supplemented diets with tryptophan and melatonin by Mardones, O., Oyarzún-Salazar, R., Labbé, B.S., Miguez, J.M., Vargas-Chacoff, L., Muñoz, J.L.P.

“…In teleosts, peripheral serotonin (5-HT) and melatonin (MEL) are synthesised in the gastrointestinal tract (GIT) and regulate secretion and motility processes…”
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The fasted and post-prandial physiological responses of the Patagonian blennie Eleginops maclovinus by Oyarzún-Salazar, R., Martínez, D., Nualart, D., Muñoz, J.L.P., Vargas-Chacoff, L.

“…Eleginops maclovinus is a native species with potential for Chilean aquaculture. Understanding the variations between the post-prandial and fasted metabolic…”
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Metabolic responses to salinity changes in the subantarctic notothenioid teleost Eleginops maclovinus by Vargas-Chacoff, L., Moneva, F., Oyarzún, R., Martínez, D., Saavedra, E., Ruiz-Jarabo, I., Muñoz, J. L. P., Bertrán, C., Mancera, J. M.

“…Eleginops maclovinus is an endemic, subantarctic Notothenioidei species. This study examined the influence of different environmental salinities (5, 15, and 45…”
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The osmotic response capacity of the Antarctic fish Harpagifer antarcticus is insufficient to cope with projected temperature and salinity under climate change by Vargas-Chacoff, L., Martínez, D., Oyarzún-Salazar, R., Paschke, K., Navarro, J.M.

“…Over the last decades, climate change has intensified. Temperatures have increased and seawater has become “fresher” in Antarctica, affecting fish such as…”
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Fear and Abyss: Two Figures of Power by Oyarzun R, Pablo

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Toll-like receptor expression and functional behavior in platelets from patients with systemic lupus erythematosus by Baroni Pietto, María C, Glembotsky, Ana C, Lev, Paola R, Marín Oyarzún, Cecilia R, De Luca, Geraldine, Gomez, Graciela, Collado, María V, Charó, Nancy, Cellucci, Adela S, Heller, Paula G, Goette, Nora P, Marta, Rosana F

“…Multiple blood cell abnormalities participate in the development of inflammation in systemic lupus erythematosus (SLE). Although platelets have been suggested…”
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A descriptive and quantitative approach regarding erosion and development of landforms on abandoned mine tailings: New insights and environmental implications from SE Spain by Martín Duque, J.F., Zapico, I., Oyarzun, R., López García, J.A., Cubas, P.

“…The San Cristóbal–Perules mining site in Mazarrón in southeast Spain was subjected to about a hundred years of intense mining activity for lead, silver, and…”
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Benjamin, Lichtenberg, the Hump, and the Splinters by Oyarzun R., Pablo

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Stocking density and Piscirickettsia salmonis infection effect on Patagonian blennie (Eleginops maclovinus, Cuvier 1830) skeletal muscle intermediate metabolism by Vargas-Chacoff, L, Ortíz, E, Oyarzún, R, Martínez, D, Saavedra, E, Sá, R, Olavarría, V, Nualart, D, Yáñez, A, Bertrán, C, Mancera, J. M

“…The need to expand aquaculture production has led to other fish to be considered as potential species for culture, such as the sub-Antarctic notothenioid…”
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Low-cost geochemical surveys for environmental studies in developing countries: Testing a field portable XRF instrument under quasi-realistic conditions by Higueras, P., Oyarzun, R., Iraizoz, J.M., Lorenzo, S., Esbrí, J.M., Martínez-Coronado, A.

“…Environmental monitoring, as a prerequisite for environmental risk assessment, is crucial in developing nations from Africa, Latin America, South East Asia, or…”
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The Mazarrón basin, SE Spain: a study of mineralization processes, evolving magmatic series, and geothermal activity by Crespo, E., Lillo, J., Oyarzun, R., Cubas, P., Leal, M.

“…The Miocene to Present Mazarrón basin provides a window on the metallogenic role of an evolving magmatic series. High-K calc-alkaline magmas gave rise to an…”
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The Almadén district (Spain): Anatomy of one of the world's largest Hg-contaminated sites by Higueras, P., Oyarzun, R., Lillo, J., Sánchez-Hernández, J.C., Molina, J.A., Esbrí, J.M., Lorenzo, S.

“…We present data from an early reconnaissance survey (stream sediments, soil, and water Hg chemistry; plants and water crustaceans Hg intake) of the Almadén…”
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Water Quality Assessment of the Mining-Impacted Elqui River Basin, Chile by Ribeiro, L., Kretschmer, N., Nascimento, J., Buxo, A., Rötting, T. S., Soto, G., Soto, M., Oyarzún, J., Maturana, H., Oyarzún, R.

“…Multivariate data analysis techniques were used to identify the interrelationships between the physical–chemical analyses of 22 parameters sampled monthly from…”
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An account of the events that led to full bay infilling with sulfide tailings at Portman (Spain), and the search for “black swans” in a potential land reclamation scenario by Oyarzun, R., Manteca Martínez, J.I., López García, J.A., Carmona, C.

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