Zobrazeno 1 - 10
of 143
pro vyhledávání: '"Ricardo, Barra"'
Autor:
Andreas Ch. Braun, Danny Troeger, Rafael Garcia, Mauricio Aguayo, Ricardo Barra, Joachim Vogt
Publikováno v:
Global Ecology and Conservation, Vol 10, Iss C, Pp 159-172 (2017)
Effects of plantation forestry on biodiversity are controversially discussed in literature. While some authors stress positive effects, others tend to attribute a largely negative influence to plantations. One important factor steering the influence
Externí odkaz:
https://doaj.org/article/ab13dc54d3554920936fe1a6d36c96fe
Autor:
Paulina Bahamonde, Camila Berrocal, Ricardo Barra, Mark E. McMaster, Kelly R. Munkittrick, Gustavo Chiang
Publikováno v:
Gayana, Vol 83, Iss 1 (2019)
Environmental monitoring programs commonly use fish to study the health of aquatic systems. Nevertheless, lethal sampling techniques are often employed, resulting in ethical considerations. This issue is magnified in Chilean rivers, which contain var
Externí odkaz:
https://doaj.org/article/d91aee40a654461385d084b2754d0b10
Autor:
Douglas A. Holdway, Lindsay Beyger, Ricardo Barra, John Guchardi, Rodrigo Orrego, L. Mark Hewitt
Publikováno v:
Environmental Toxicology and Chemistry. 40:2297-2305
The aim of the present study was to evaluate the effects of exposure to Chilean pulp mill effluent extracts on developing postfertilized medaka embryos before and after sex definition relative to sex steroids (testosterone and 17beta-estradiol) and a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c7a1b7d682be8a428ba8b7e78a46f662
https://doi.org/10.1002/etc.5115
https://doi.org/10.1002/etc.5115
Autor:
Rodrigo Orrego, Ricardo Barra, Mauricio Quiroz-Jara, Maria Cristina Fossi, J. F. Gavilan, Silvia Casini
Publikováno v:
Environmental Management. 67:1145-1157
To evaluate the physiological state of the wild fish inhabiting the Biobío River in South-Central Chile, susceptible to the chemical contamination from different sources, biochemical and physiological biomarkers were applied to wild fish Percilia ir
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4ea8eec1e0d7c94d95fe60232e9d1557
https://doi.org/10.1007/s00267-021-01465-y
https://doi.org/10.1007/s00267-021-01465-y
Autor:
Ricardo Barra, Matias Campos-Garagay, Mark E. McMaster, Diana M. Cárdenas-Soracá, L. Mark Hewitt
Publikováno v:
Current Opinion in Environmental Science & Health. 18:20-25
In this article, we document a strategy for addressing the difficulties of analyzing complex chemical mixtures of endocrine-disrupting substances (EDSs) in surface waters. The overall approach includes effect-based assessments to detect mixtures of E
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::85f5c4dbbf8c5d10f857d14deb35367b
https://doi.org/10.1016/j.coesh.2020.06.002
https://doi.org/10.1016/j.coesh.2020.06.002
Autor:
Gustavo Chiang, Kelly R Munkittrick, Mark E McMaster, Felipe Tucca, M. Fernanda Saavedra, Andrea Ancalaf, Juan F Gavilán, Luis Unzueta, Ricardo Barra
Publikováno v:
Gayana, Vol 76, Iss 2, Pp 131-141 (2012)
There is scarce basic biological data on native freshwater fish species from Chile and next to zero on growth, gonad development and reproduction, which are critical for the purposes of the conservation of their natural populations. Seasonal analysis
Externí odkaz:
https://doaj.org/article/0caf510e4b254d4f9370c6ffb26f544b
Publikováno v:
Anxiety, Uncertainty, and Resilience During the Pandemic Period-Anthropological and Psychological Perspectives ISBN: 9781839681196
The pandemic afflicting the world is accompanied by a social, economic, political, cultural, and climatic multi-crisis. It is the crisis of the Anthropocene Era and modern paradigms. Modern society is in a complex situation. The responses to the mult
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::66b788a1319552cadfe5e2b6d29ffc3f
https://doi.org/10.5772/intechopen.98481
https://doi.org/10.5772/intechopen.98481
Autor:
ALBERTO ARANEDA, FABIOLA CRUCES, LAURA TORRES, SEBASTIEN BERTRAND, NATHALIE FAGEL, HANS C TREUTLER, LUIS CHIRINOS, RICARDO BARRA, ROBERTO URRUTIA
Publikováno v:
Revista Chilena de Historia Natural, Vol 80, Iss 2, Pp 141-156 (2007)
Chironomid assemblages and sedimentological parameters (grain size, organic content, mineralogy) of a short sediment core from Lake Galletué (38°41' S, 71°17' W) were analysed. The sedimentary record includes one volcanic ash (tephra) layer, which
Externí odkaz:
https://doaj.org/article/a678d38702a9495288ff0d92c361df1d
Publikováno v:
Persistent Organic Pollutants in the Environment ISBN: 9781003053170
Persistent Organic Pollutants in the Environment
Persistent Organic Pollutants in the Environment
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::18e7ed997a1cce427ee18771eb5f9a6f
https://doi.org/10.1201/9781003053170-5-5
https://doi.org/10.1201/9781003053170-5-5
Autor:
Cristóbal Galbán-Malagón, E.G. Vergara, Gustavo Chiang, Kelly R. Munkittrick, Ricardo Barra, V. Hernández
Publikováno v:
Science of The Total Environment. 685:1276-1283
Antarctic is still considered one of the few pristine areas in the globe. Despite this, several studies have shown phased out organic pollutants are present in several environmental abiotic and biological compartments. This study, based on blubber an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4182802b329dda8426d467716c7f2ab8
https://doi.org/10.1016/j.scitotenv.2019.06.122
https://doi.org/10.1016/j.scitotenv.2019.06.122