Un modelo estocástico para analizar los efectos de la variación de la temperatura sobre la captura pesquera a lo largo de la costa del Pacífico Colombiano

dc.contributor.advisorArunachalam, Viswanathanspa
dc.contributor.authorMartínez Salinas, Erika Johannaspa
dc.contributor.researchgroupProcesos Estocásticosspa
dc.date.accessioned2020-12-15T14:45:15Zspa
dc.date.available2020-12-15T14:45:15Zspa
dc.date.issued2020-07-31spa
dc.description.abstractIn this work, a stochastic model is presented in order to analyze the behavior over time, between the observed changes in sea surface temperature and its relationship with the catch and abundance of the Goldfish species, in a specific area of the Colombian Pacific. Estimation methods such as maximum likelihood and the Euler-Maruyama method are applied in order to estimate the model parameters and estimate values of sea surface temperature, species abundance and catch per unit of effort for the species under study, between the years 2000-2012. Finally, the simulation results of the exposed model are presented and a sensitivity analysis is developed for the estimated parameters.spa
dc.description.abstractEn este trabajo se presenta un modelo estocástico que permite analizar el comportamiento, a lo largo del tiempo, entre los cambios observados de temperatura superficial del mar y su relación con la captura y abundancia de la especie pez Dorado, en una zona específica del Pacífico Colombiano. Se aplican métodos de estimación como máxima verosimilitud y el método de Euler-Maruyama con el propósito de estimar los parámetros del modelo y estimar valores de temperatura superficial del mar, abundancia de la especie y captura por unidad de esfuerzo para la especie en estudio, durante el periodo comprendido entre los años 2000-2012. Finalmente se presentan los resultados de la simulación del modelo expuesto y se desarrolla un análisis de sensibilidad para los parámetros estimados.spa
dc.description.additionalLínea de Investigación: Procesos Estocásticosspa
dc.description.commentsSe envía esta última versión debido a que en el anterior envío faltó incluir citas.spa
dc.description.degreelevelMaestríaspa
dc.format.extent128spa
dc.format.mimetypeapplication/pdfspa
dc.identifier.urihttps://repositorio.unal.edu.co/handle/unal/78717
dc.language.isospaspa
dc.publisher.branchUniversidad Nacional de Colombia - Sede Bogotáspa
dc.publisher.departmentDepartamento de Estadísticaspa
dc.publisher.programBogotá - Ciencias - Maestría en Ciencias - Estadísticaspa
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dc.rightsDerechos reservados - Universidad Nacional de Colombiaspa
dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.rights.licenseAtribución-NoComercial-SinDerivadas 4.0 Internacionalspa
dc.rights.spaAcceso abiertospa
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/spa
dc.subject.ddc500 - Ciencias naturales y matemáticasspa
dc.subject.proposalStochastic modelseng
dc.subject.proposalModelos estocásticosspa
dc.subject.proposalEcuaciones diferenciales estocásticasspa
dc.subject.proposalStochastic differential equationseng
dc.subject.proposalProceso de Ornstein-Uhlenbeckspa
dc.subject.proposalOrnstein-Uhlenbeck processeng
dc.subject.proposalReversión a la mediaspa
dc.subject.proposalMean reversioneng
dc.subject.proposalCaptura por unidad de esfuerzospa
dc.subject.proposalCatch per unit efforteng
dc.subject.proposalAbundance of a specieseng
dc.subject.proposalAbundancia de una especiespa
dc.subject.proposalEstimación por máxima verosimilitudspa
dc.subject.proposalMaximum likelihood estimationeng
dc.subject.proposalEuler-Maruyama methodeng
dc.subject.proposalMétodo de Euler-Maruyamaspa
dc.titleUn modelo estocástico para analizar los efectos de la variación de la temperatura sobre la captura pesquera a lo largo de la costa del Pacífico Colombianospa
dc.typeTrabajo de grado - Maestríaspa
dc.type.coarhttp://purl.org/coar/resource_type/c_bdccspa
dc.type.coarversionhttp://purl.org/coar/version/c_ab4af688f83e57aaspa
dc.type.contentTextspa
dc.type.driverinfo:eu-repo/semantics/masterThesisspa
dc.type.versioninfo:eu-repo/semantics/acceptedVersionspa
oaire.accessrightshttp://purl.org/coar/access_right/c_abf2spa

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