Evaluation of survival and metamorphosis of larvae of Caligus rogercresseyi (Boxshall and Bravo, 2000) (Crustacea, Copepoda) in Chile, depending on temperature, salinity and oxygen

dc.contributor.authorMardones Lazcano, Alfonso.
dc.contributor.authorGajardo, Viviana.
dc.contributor.authorPizarro, M. I.
dc.contributor.authorAugsburger Bachmann , Alberto.
dc.contributor.authorVega Aguayo, Rolando.
dc.contributor.authorEncina Montoya, Francisco.
dc.contributor.authorPichara Morales, Cristian.
dc.contributor.authorDe Los Ríos Escalante, Patricio
dc.date2018
dc.date.accessioned2019-10-18T20:25:11Z
dc.date.available2019-10-18T20:25:11Z
dc.date.issued2019-10-18
dc.description.abstractThe present study assessed the percentage of survival and metamorphosis of larval stages of Caligus rogercresseyi (Boxshall and Bravo, 2000) nauplius I, nauplius II to and nauplius II to copepodite, conducting bioassays in triplicate with 50 larvae each, nauplius I or nauplius II, at temperature of 12 °C, 15 °C and 18 °C; salinity 20, 23, 25, 2729, 31, 33 and 35 g/L and oxygen saturation with ranges between 30-60%, 90-100% and 190 - 200%. Bioassays were performed in station Quillaipe of Fundación Chile, Puerto Montt, Chile. It is concluded that the temperature is inversely proportional to the time of metamorphosis and survival of the larvae of Caligus rogercresseyi . In salinity is observed that increased this, greater is the percentage of survival and metamorphosis is faster, while the larvae do not survive less than 20g/L. Oxygen saturation ranges indicate that the larvae do not survive at saturations between 30-60%, and it had no differences between 90-100% saturation and 190-200%.es_ES
dc.description.abstractO presente estudo avaliou a percentagem de sobrevivência e metamorfose dos estádios larvais de Caligus rogercresseyi (Boxshall and Bravo, 2000) nauplio I, nauplio II ae nauplio II a copepodita, realizando bioensaios em triplicado com 50 larvas cada, nauplio I ou nauplio II, À temperatura de 12 °C, 15 °C e 18 °C; Salinidade 20, 23, 25, 2729, 31, 33 e 35 g / L e saturação de oxigénio com variações entre 30-60%, 90-100% e 190-200%. Os bioensaios foram realizados na estação Quillaipe da Fundação Chile, Puerto Montt, Chile. Conclui - se que a temperatura é inversamente proporcional ao tempo de metamorfose e sobrevivência das larvas de Caligus rogercresseyi. Na salinidade observa-se que aumentou esta, maior é a percentagem de sobrevivência e metamorfose é mais rápida, enquanto as larvas não sobrevivem menos de 20g / L. Os intervalos de saturação de oxigénio indicam que as larvas não sobrevivem a saturações entre 30-60% e não têm diferenças entre 90-100% de saturação e 190-200%.es_ES
dc.formatPDFes_ES
dc.identifier.citationBrazilian Journal of Biology, Vol. 79, N°2, 174-179, 2018
dc.identifier.doi10.1590/1519-6984.173162es_ES
dc.identifier.urihttp://repositoriodigital.uct.cl/handle/10925/2032
dc.language.isoenes_ES
dc.publisherInstituto Internacional de Ecología
dc.rightsObra bajo licencia Creative Commons Atribución 4.0 Internacional
dc.sourceBrazilian Journal of Biologyes_ES
dc.subjectCaligus rogercresseyies_ES
dc.subjectOxygen saturationes_ES
dc.subjectPiojo de mar
dc.subjectSaturación de oxígeno
dc.titleEvaluation of survival and metamorphosis of larvae of Caligus rogercresseyi (Boxshall and Bravo, 2000) (Crustacea, Copepoda) in Chile, depending on temperature, salinity and oxygenes_ES
dc.title.alternativeAvaliação de sobrevivência e metamorfose de larvas de Caligus rogercresseyi (Boxshall and Bravo, 2000) (Crustacea, Copepoda) no Chile, dependendo da temperatura, salinidade e oxigênioes_ES
dc.typeArtículo de Revistaes_ES
uct.catalogadorpbces_ES
uct.comunidadRecursos Naturaleses_ES
uct.indizacionISI - Social Science Citation Indexes_ES
uct.indizacionSCIELOes_ES
uct.indizacionSCOPUSes_ES
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