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| Registros recuperados: 5.225 | |
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| Muñoz-Ramírez,Carlos P.; Briones,Raul; Colin,Nicole; Fierro,Pablo; Górski,Konrad; Jara,Alfonso; Manosalva,Aliro. |
| ABSTRACT The ancient catfish family Diplomystidae, with seven species endemic to rivers of southern South America, represents one of the oldest branches of the diverse order Siluriformes. With most species endangered, new reports of these species become extremely valuable for conservation. Currently, it is assumed that Diplomystes species inhabit only Andean (large) basins, and that they are extinct from coastal (small) basins from which their presence have not been recorded since 1919. Here, we document new records of the family Diplomystidae in the Laraquete and Carampangue basins, two coastal basins from the Nahuelbuta Coast Range, Chile, with no previous reports. This finding represents the rediscovery of the genus in coastal basins in more than a... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Management Unit; Mitochondrial DNA; Rare Species; Streams; Threatened Species. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252020000100208 |
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| Gomes,Nayhara Freitas Martins; Fiúza,Ana Louise Carvalho; Pinto,Neide Maria Almeida. |
| Resumo: A relação entre campo e cidade vem se modificando de forma acentuada, especialmente, a partir das últimas duas décadas do século XX. O presente artigo fez uma análise da forma como a população rural de um pequeno município de economia cafeeira, localizado na Zona da Mata mineira, manifesta, por meio das suas representações de “campo” e “cidade”, a percepção de aproximações e diferenças quanto ao modo de vida rural e urbano na atualidade. O estudo teve um caráter cross-sectional, tendo sido realizado por intermédio de um questionário semiestruturado, com uma amostra representativa da população composta de 94 rurais. Na aplicação do questionário, utilizou-se da técnica de mesclagem de perguntas, que estimulavam respostas rápidas e espontâneas, com... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Representação social; Rurais; Relação campo/cidade; Alceste. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-20032020000200201 |
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| Branco,Gabriela Pereira; Valieris,Renan; Povoa,Lucas Venezian; Araújo,Luiza Ferreira de; Fernandes,Gustavo Ribeiro; Souza,Jorge Estefano Santana de; Amorim,Maria Galli de; Ferreira,Elisa Napolitano e; Silva,Israel Tojal da; Nunes,Diana Noronha; Dias-Neto,Emmanuel. |
| Abstract Next-generation sequencing (NGS) platforms allow the analysis of hundreds of millions of molecules in a single sequencing run, revolutionizing many research areas. NGS-based microRNA studies enable expression quantification in unprecedented scale without the limitations of closed-platforms. Yet, whereas a massive amount of data produced by these platforms is available, comparisons of quantification/discovery capabilities between platforms are still lacking. Here we compare two NGS-platforms: SOLiD and PGM, by evaluating their microRNA identification/quantification capabilities using two breast-derived cell-lines. A high expression correlation (R2 > 0.9) was achieved, encompassing 97% of the miRNAs, and the few discrepancies in miRNA counts were... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Next-generation sequencing (NGS); MiRNA expression profiles; SOLiD; PGM. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572020000400802 |
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| Stevens, Duncan E.; Mcneill, Lisa C.; Henstock, Timothy J.; Delescluse, Matthias; Chamot-rooke, Nicolas; Bull, Jonathan M.. |
| The equatorial eastern Indian Ocean hosts a diffuse plate boundary, where widespread deformation accommodates the relative motion between the Indian, Australian and Capricorn sub-plates. We integrate IODP Expedition 362 borehole data, which for the first time provides an accurate, ground-truthed chronostratigraphy of the sedimentary sequence east of the Ninety East Ridge (NER), with 2D seismic reflection profiles and multibeam bathymetry to assess the styles of faulting between the NER and the Sunda subduction zone, timing of activity and comparison with physical and rheological properties. We identify four distinct fault sets east of the NER in the northern Wharton Basin. N-S (350-010°) orientated faults, associated with the N-S fracture zones formed at... |
| Tipo: Text |
Palavras-chave: Intraplate deformation; Indian Ocean; Diffuse plate boundary; IODP. |
| Ano: 2020 |
URL: https://archimer.ifremer.fr/doc/00617/72936/71957.pdf |
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| Tolosa, Imma; Huertas, David; Choyke, Sarah; Sander, Sylvia; Aminot, Yann. |
| Two different sample preparation protocols for the determination of 37 emerging and historical halogenated flame retardants (HFRs) in marine tissues were compared with regards to extraction recovery, lipid removal efficiency, repeatability, reproducibility, and ability to measure sub-ng g−1 (dry weight) concentrations in marine biota. One method involved a purification step using gel permeation chromatography (GPC) followed by a HPLC fractionation step on a Partisil amino-cyano normal phase (GPC-Partisil procedure) and the other more traditional method was based on sulphuric acid treatment followed by silica column fractionation (H2SO4-silica procedure). The samples were analysed by gas chromatography (GC) and liquid chromatography (LC) tandem mass... |
| Tipo: Text |
Palavras-chave: Halogenated flame retardants; Biota; Clean-up; GC-MS/MS; LC-MS/MS; Emerging contaminants. |
| Ano: 2020 |
URL: https://archimer.ifremer.fr/doc/00654/76570/77700.pdf |
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| Donnet, Sebastien; Lazure, Pascal; Ratsimandresy, Andry; Han, Guoqi. |
| While the dynamics of narrow fjords, i.e. narrow with respect to their internal Rossby radius, have been widely studied, it is only recently that interest sparked in studying the physics of broad fjords due to their importance in glacial ice melting (in Greenland, especially). Here, we present a comprehensive set of data collected in Fortune Bay, a broad, mid-latitude fjord located on the Northwest Atlantic shores. Aside from being wide (15–25 km width) and deep (600 m at its deepest), Fortune Bay also has the characteristics of having steep slopes, weak tides and of being strongly stratified from spring to fall. Thus, and since strong along-shore winds also characterise the region, this system is prone to interesting dynamics, generally taking the form of... |
| Tipo: Text |
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| Ano: 2020 |
URL: https://archimer.ifremer.fr/doc/00634/74635/74529.pdf |
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| Ahsan,Farogh; Mahmood,Tarique; Usmani,Shazia; Bagga,Paramdeep; Shamim,Arshiya; Tiwari,Reshu; Verma,Neeraj; Siddiqui,Mohammed Haris. |
| Cardiovascular diseases are the main source of death and morbidity in developed and developing nations. Animal models are required to propel our understanding of the pathogenesis, increase our knowledge, disease progress, and mechanism behind cardiovascular disorder, providing new approaches focused to improve the diagnostic and the treatment of these pathological conditions and additionally to test various therapeutic ways to deal with tissue regeneration and re-establish heart working following damage. A perfect model framework ought to be reasonable, effectively controlled, reproducible, and physiologically illustrative of human disease, show cardinal signs and pathology that resembles after the human ailment and ethically stable. The decision of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Myocardial infarction; Animal model; Isoproterenol; Chemical induced; Ischeamia. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502020000100557 |
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| MACHADO, A. T.. |
| Neste capítulo, procurou-se fazer uma breve contextualização sobre a agrobiodiversidade e a importância das variedades locais, tradicionais e crioulas dentro da lógica da agricultura familiar e dos sistemas de produção de base agroecológica. Abordam-se as questões conceituais e as implicações sociais, jurídicas e culturais. Questões relacionadas à conservação on farm com ênfase nos bancos locais são discutidas com relação à sua importância estratégica e aos riscos relacionados com a erosão genética e aspectos ambientais. São abordadas as estratégias participativas no melhoramento de diferentes espécies no campo do agricultor, no qual se envolvem aspectos fundamentais tais como: resgate de diferentes espécies e de diferentes variedades dentro de cada... |
| Tipo: Capítulo em livro técnico (INFOTECA-E) |
Palavras-chave: Conservação de semente; Semente crioula; Comunidade local; Agricultura; Semente. |
| Ano: 2020 |
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1136221 |
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| Medeiros,Monique; Cazella,Ademir Antonio; Tecchio,Andréia; Marques,Flávia Charão. |
| Resumo: As consequências negativas da “modernização” da agricultura têm induzido agricultores familiares, pesquisadores e mediadores sociais a construir ações de desenvolvimento rural que desviam do modelo hegemônico. Neste cenário, as “novidades” ou melhorias nos rearranjos de relações entre sociedade e tecnologia estão ocorrendo constantemente, não desprovidas de limitações. Este artigo discute as potencialidades e limites de processos de construção de uma novidade organizacional no litoral norte do Rio Grande do Sul, Brasil, com foco na participação de grupos de agricultores familiares. A investigação contemplou pesquisas documentais, participação observante e entrevistas semiestruturadas com agricultores familiares e mediadores sociais atuantes na... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Produção de novidade; Reprodução socioeconômica; Apropriação de discursos. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-20032020000300206 |
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| Albert, Luana; Deschamps, François; Jolivet, Aurélie; Olivier, Frédéric; Chauvaud, Laurent; Chauvaud, Sylvain. |
| The goal of clean renewable energy production has promoted the large-scale deployment of marine renewable energy devices, and their associated submarine cable network. Power cables produce both electric and magnetic fields that raise environmental concerns as many marine organisms have magneto and electroreception abilities used for vital purposes. Magnetic and electric fields' intensities decrease with distance away from the cable. Accordingly, the benthic and the sedimentary compartments are exposed to the highest field values. Although marine invertebrate species are the major fauna of these potentially exposed areas, they have so far received little attention. We provide extensive background knowledge on natural and anthropogenic marine sources of... |
| Tipo: Text |
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| Ano: 2020 |
URL: https://archimer.ifremer.fr/doc/00617/72944/71974.pdf |
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| Guimarães, Pedro Veras; Ardhuin, Fabrice; Bergamasco, Filippo; Leckler, Fabien; Filipot, Jean-francois; Shim, Jae-seol; Dulov, Vladimir; Benetazzo, Alvise. |
| Stereo imaging of the sea surface elevation provides unique field data to investigate the geometry and dynamics of oceanic waves. Typically, this technique allows retrieving the 4-D ocean topography (3-D space + time) at high frequency (up to 15–20 Hz) over a sea surface region of area ~104 m2. Stereo data fill the existing wide gap between sea surface elevation time-measurements, like the local observation provided by wave-buoys, and large-scale ocean observations by satellites. The analysis of stereo images provides a direct measurement of the wavefield without the need of any linear-wave theory assumption, so it is particularly interesting to investigate the nonlinearities of the surface, wave-current interaction, rogue waves, wave breaking, air-sea... |
| Tipo: Text |
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| Ano: 2020 |
URL: https://archimer.ifremer.fr/doc/00631/74285/73895.pdf |
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| Registros recuperados: 5.225 | |
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