Zobrazeno 1 - 10 of 49 pro vyhledávání: '"Sylvia V. Copaja"'
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Akademický článek
Temporal changes in gene expression and genotype frequency of the ornithine decarboxylase gene in native silverside Basilichthys microlepidotus: Impact of wastewater reduction due to implementation of public policies
Autor: David Veliz, Noemi Rojas‐Hernández, Sylvia V. Copaja, Caren Vega‐Retter
Publikováno v: Evolutionary Applications, Vol 13, Iss 6, Pp 1183-1194 (2020)
Abstract Human activity has caused a deterioration in the health and population size of riverine species; thus, public policies have been implemented to mitigate the anthropogenic impacts of water use, watercourse transformation, and pollution. We st
Externí odkaz: https://doaj.org/article/6915902586684e2d82eeb8d539666927
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4
EFFECTS OF CLAY CONTENT IN SOIL ON PESTICIDES SORPTION PROCESS
Autor: Pablo Gatica-Jeria, Sylvia V. Copaja
Publikováno v: Journal of the Chilean Chemical Society v.66 n.1 2021
SciELO Chile
CONICYT Chile
instacron:CONICYT
Intensive application of pesticides in the agricultural sector and for domestic purposes has resulted in increased usage over the years. Pesticides are used to control pest, diseases and weeds in agricultural and urban areas, but their persistence in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1f7ac75270adc72af571a4086c40244e
https://doi.org/10.4067/s0717-97072021000105086
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5
Dammed river: Short‐ and long‐term consequences for fish species inhabiting a river in a Mediterranean climate in central Chile
Autor: Caren Vega-Retter, David Véliz, Luis Flores-Prado, Sylvia V. Copaja, Pablo Muñoz‐Rojas, Noemi Rojas-Hernandez
Publikováno v: Aquatic Conservation: Marine and Freshwater Ecosystems. 30:2254-2268
Comision Nacional de Investigacion Cientifica y Tecnologica (CONICYT) CONICYT PIA/BASAL PFB 023 Chilean Millennium Initiative CONICYT-FONDEQUIP EQM150077 Comision Nacional de Investigacion Cientifica y Tecnologica (CONICYT) CONICYT FONDECYT 11150213
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::16efd4cd2127c018978cfd24d1e25678
https://doi.org/10.1002/aqc.3425
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6
Temporal changes in gene expression and genotype frequency of the ornithine decarboxylase gene in native silversideBasilichthys microlepidotus: Impact of wastewater reduction due to implementation of public policies
Autor: Noemi Rojas-Hernandez, Caren Vega-Retter, Sylvia V. Copaja, David Véliz
Publikováno v: Evolutionary Applications
Evolutionary Applications, Vol 13, Iss 6, Pp 1183-1194 (2020)
Human activity has caused a deterioration in the health and population size of riverine species; thus, public policies have been implemented to mitigate the anthropogenic impacts of water use, watercourse transformation, and pollution. We studied the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::349ef742245bed270b72f1cf0b2455c4
https://doi.org/10.1111/eva.13000
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7
ADSORPTION-DESORPTION OF TRACE ELEMENTS IN SEDIMENTS OF THE MAIPO RIVER BASIN
Autor: David Véliz, Lidia Mauro, Caren Vega-Retter, Sylvia V. Copaja
Publikováno v: Journal of the Chilean Chemical Society. 65:4778-4783
We studied the adsorption-desorption of Cu, Mn, Pb and Zn in Maipo river basin, one of the most perturbed rivers in Chile, and thus determined its tolerance to the addition of these metals into the sediments and the possibility of transferring the me
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::03282c2e265ab8207abd7d69e9b59c9b
https://doi.org/10.4067/s0717-97072020000204778
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8
SEASONAL AND SPATIAL VARIATION OF TRACE ELEMENTS IN SEDIMENTS OF THREE CHILEAN BASINS
Autor: Roxana M. Tessada, Sylvia V. Copaja
Publikováno v: Journal of the Chilean Chemical Society, Volume: 65, Issue: 1, Pages: 4737-4745, Published: MAR 2020
Journal of the Chilean Chemical Society v.65 n.1 2020
SciELO Chile
CONICYT Chile
instacron:CONICYT
Total concentrations of trace elements can provide fundamental information on the sediment contamination levels of the pollution indexes and the quality guidelines for sediment risk assessment. However, this information alone is insufficient to under
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6bca14dd05967342a35bcb26ef3621a5
http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072020000104737&lng=en&tlng=en
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9
HEAVY METALS CONCENTRATION IN SEDIMENT OF LLUTA RIVER BASIN
Autor: F. J. Muñoz, Sylvia V. Copaja
Publikováno v: Journal of the Chilean Chemical Society. 63:3878-3883
Northern Chile is characterized by water scarcity. The Lluta River, located in the XV region of Arica and Parinacota, is the one of the main rivers in northern Chile. The elevated levels of metals and metaloids in the river reduce the agricultural pr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::24efb3e77bd87b708210b8a0efdae393
https://doi.org/10.4067/s0717-97072018000103878
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10
Heavy Metal Content in Chilean Fish Related to Habitat Use, Tissue Type and River of Origin
Autor: David Véliz, Carlos A. Pérez, Caren Vega-Retter, Sylvia V. Copaja
Publikováno v: Bulletin of Environmental Contamination and Toxicology. 99:695-700
In this study, we analyze the concentration of ten metals in two freshwater fish—the benthic catfish Trichomycterus areolatus and the limnetic silverside Basilichthys microlepidotus—in order to detect possible accumulation differences related to
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a9d9921278a1a221189713046a4a5a4c
https://doi.org/10.1007/s00128-017-2200-9
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