Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/52187
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dc.contributor.authorAraneda, Marcelo E.
dc.contributor.authorHernandez, Juan M.
dc.contributor.authorGasca-Leyva, Eucario
dc.contributor.authorVela, Miguel A.
dc.contributor.otherHernandez, Juan
dc.contributor.otherGasca-Leyva, Eucario
dc.date.accessioned2018-11-25T18:10:37Z-
dc.date.available2018-11-25T18:10:37Z-
dc.date.issued2013
dc.identifier.issn0144-8609
dc.identifier.urihttp://hdl.handle.net/10553/52187-
dc.description.abstractThis article models the growth of a population in aquaculture, including the phenomenon of size heterogeneity. Experimental observations of six initial densities (90, 130, 180, 230, 280 and 330 shrimps m(-2)) in an intensive culture of Penaeus vannamei in freshwater were used to fit a growth model. For this, three mathematical functions were analysed (Gompertz, von Bertalanffy and Putter), which were modified in order to include the effect of initial density. Two models were constructed, one assuming the hypothesis of homogeneous individual growth and the other including size-heterogeneity throughout the culture cycle. For the second case, a stabilisation time was evaluated which defines the future heterogeneity of the cohort. In each initial density, the stabilisation phase was reached at approximately 2 g. However, the time taken for this phase to start increased with increasing initial culture density. The modified von Bertalannfy function was the most effective of the three equations in predicting growth. The weight predictions, assuming homogeneity and variability of sizes, presented low Percentage Root Mean Square Errors (PRMSE). However, the inclusion of size variability in the fit produced better statistical results than when they were not included (PRMSE decreased from 16% to 12%). This confirms the importance of taking into account size heterogeneity at an intensive level. Particularly at the technical level when the aquaculture producer is required to make stocking and harvest plans. (C) 2013 Elsevier B.V. All rights reserved.
dc.publisher0144-8609
dc.relation.ispartofAquacultural Engineering
dc.sourceAquacultural Engineering[ISSN 0144-8609],v. 56, p. 1-12
dc.subject.otherPenaeus-Vannamei
dc.subject.otherDependent Growth
dc.subject.otherTemperature
dc.subject.otherDensity
dc.subject.otherValidation
dc.subject.otherManagement
dc.subject.otherSurvival
dc.subject.otherSystem
dc.subject.otherAge
dc.titleGrowth modelling including size heterogeneity: Application to the intensive culture of white shrimp (P. vannamei) in freshwater
dc.typeinfo:eu-repo/semantics/Articlees
dc.typeArticlees
dc.identifier.doi10.1016/j.aquaeng.2013.03.003
dc.identifier.scopus84882584904
dc.identifier.isi000324223900001
dcterms.isPartOfAquacultural Engineering
dcterms.sourceAquacultural Engineering[ISSN 0144-8609],v. 56, p. 1-12
dc.contributor.authorscopusid24474302800
dc.contributor.authorscopusid7403026151
dc.contributor.authorscopusid6602639684
dc.contributor.authorscopusid55557331800
dc.description.lastpage12
dc.description.firstpage1
dc.relation.volume56
dc.type2Artículoes
dc.identifier.wosWOS:000324223900001
dc.contributor.daisngid5718978
dc.contributor.daisngid1765491
dc.contributor.daisngid1889769
dc.contributor.daisngid3575053
dc.identifier.investigatorRIDD-7096-2013
dc.identifier.investigatorRIDJ-8413-2016
dc.contributor.wosstandardWOS:Araneda, ME
dc.contributor.wosstandardWOS:Hernandez, JM
dc.contributor.wosstandardWOS:Gasca-Leyva, E
dc.contributor.wosstandardWOS:Vela, MA
dc.date.coverdateSeptiembre 2013
dc.identifier.ulpgces
dc.description.sjr0,666
dc.description.jcr1,232
dc.description.sjrqQ2
dc.description.jcrqQ2
dc.description.scieSCIE
item.fulltextSin texto completo-
item.grantfulltextnone-
crisitem.author.deptGIR TIDES: Economía, medioambiente, sostenibilidad y turismo-
crisitem.author.deptIU de Turismo y Desarrollo Económico Sostenible-
crisitem.author.deptDepartamento de Métodos Cuantitativos en Economía y Gestión-
crisitem.author.orcid0000-0001-6897-5179-
crisitem.author.parentorgIU de Turismo y Desarrollo Económico Sostenible-
crisitem.author.fullNameHernández Guerra, Juan María-
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