{"id":3124,"date":"1994-01-01T00:00:00","date_gmt":"1994-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/1994\/01\/01\/edad-y-crecimiento-reproduccion-y-habitos-alimenticios-de-dos-especies-simpatricas-del-genero-caulolatilus-gill-1863-de-la-bahia-de-la-paz-y-areas-adyacentes-b-c-s-mexico\/"},"modified":"1994-01-01T00:00:00","modified_gmt":"1994-01-01T00:00:00","slug":"edad-y-crecimiento-reproduccion-y-habitos-alimenticios-de-dos-especies-simpatricas-del-genero-caulolatilus-gill-1863-de-la-bahia-de-la-paz-y-areas-adyacentes-b-c-s-mexico","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-tierra-y-del-espacio\/edad-y-crecimiento-reproduccion-y-habitos-alimenticios-de-dos-especies-simpatricas-del-genero-caulolatilus-gill-1863-de-la-bahia-de-la-paz-y-areas-adyacentes-b-c-s-mexico\/","title":{"rendered":"Edad y crecimiento, reproduccion y habitos alimenticios de dos especies simpatricas del genero caulolatilus, gill 1863, de la bahia de la paz y areas adyacentes, b.c.s., mexico"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Elorduy Garay Juan  Felix <\/strong><\/h2>\n<p>Tras haber muestreado, a lo largo de cuatro a\u00f1os, 7551 ejemplares de caulolatilus affinis, gill 1865 y 1783 de c. Princeps, jenyns 1842 (pisces: branchiostegidae), provenientes de las bahias de la paz y la ventana, en baja california sur, mexico, se analizaron 3632 otolitos de c. Affinis y 1196 de c. Princeps para establecer su edad y sus relaciones de crecimiento por medio de la ecuacion de von bertalanffy, que arrojaron los siguientes resultados:  c. Affinis: machos, lt=387.97(1-e-0.1729(t+2.226); c.  princeps:machos, lt=476.67(1-e-0.0932(t+3.9039) hembras, lt=478.28(-e-0.0924(t+3.768); hembras,lt=474.79(1-e-0.1006(t+3.339) combinados,lt=422.87(1-e-0.1327(t+2.713); combinados,lt=460.85(1-e-0.1129(t+2.765) se analizaron histologicamente 639 gonadas (334 de machos y 309 de hembras) de c. Affinis y 287 gonadas de hembras de c.  princeps, encontrandose que ambas especies presentan los tipos de ovocitos comunes a la mayoria de los peces teleosteosteos. El proceso de maduracion gonadal es anual y asincronico, con un solo periodo de desoves masivos que se prolonga cuatro o cinco meses durante el oto\u00f1o-invierno. Ambas especies tienen una fecundidad indeterminada, tipica de los peces desovadores parciales.  por ultimo, se analizaron los contenidos de 328 tubos digestivos (180 de machos y 146 de hembras) de c. Affinis y 239 de c. Princeps (125 de machos y 111 de hembras).  ambas especies se consideran como depredadoras, omnivoras y oportunistas. El alimento principal esta compuesto por crustaceos en ambos casos; sin embargo, c. Affinis consume preferentemente anfipodos y c. Princeps preda sobre ostracodos. Por los tipos preferentes de alimento, la primera se alimenta mas tomando bocados directamente del lecho marino, mientras que la segunda lo hace mas en la columna de agua pero sobre la capa inmediatamente superior al lecho.  se concluye que, bajo el punto de vista biologico pesquero, no existen diferencias suficientemente grand<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Edad y crecimiento, reproduccion y habitos alimenticios de dos especies simpatricas del genero caulolatilus, gill 1863, de la bahia de la paz y areas adyacentes, b.c.s., mexico<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Edad y crecimiento, reproduccion y habitos alimenticios de dos especies simpatricas del genero caulolatilus, gill 1863, de la bahia de la paz y areas adyacentes, b.c.s., mexico <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Elorduy Garay Juan  Felix <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pa\u00eds vasco\/euskal herriko unibertsitatea<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1994<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Ana Rallo Gruss<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Rosario Calderon Fernandez <\/li>\n<li>Luis Ignacio Olaso Toca (vocal)<\/li>\n<li>Jes\u00fas Matallanas Garcia (vocal)<\/li>\n<li>Eduardo Angulo Pinedo (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Elorduy Garay Juan Felix Tras haber muestreado, a lo largo de cuatro a\u00f1os, 7551 ejemplares de caulolatilus [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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