{"id":35642,"date":"1998-01-01T00:00:00","date_gmt":"1998-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/contribucion-al-conocimiento-de-la-biologia-y-la-taxonomia-del-tiburon-batial-c-entrophorus-granulosus-bloch-y-schneider-1801-en-el-mar-balear-mediterraneo-occidental\/"},"modified":"1998-01-01T00:00:00","modified_gmt":"1998-01-01T00:00:00","slug":"contribucion-al-conocimiento-de-la-biologia-y-la-taxonomia-del-tiburon-batial-c-entrophorus-granulosus-bloch-y-schneider-1801-en-el-mar-balear-mediterraneo-occidental","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-tierra-y-del-espacio\/contribucion-al-conocimiento-de-la-biologia-y-la-taxonomia-del-tiburon-batial-c-entrophorus-granulosus-bloch-y-schneider-1801-en-el-mar-balear-mediterraneo-occidental\/","title":{"rendered":"Contribucion al conocimiento de la biolog\u00eda y la taxonomia del tiburon batial c entrophorus granulosus (bloch y schneider, 1801) en el mar balear (mediterraneo occidental)."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Javier Guallart Furio <\/strong><\/h2>\n<p>Se analizan aspectos de la taxonomia, biolog\u00eda reproductiva, edad y crecimiento, r\u00e9gimen alimentario y distribuci\u00f3n espacial de la especie (o a priori, especies) del g\u00e9nero centrophorus objeto de pesca en el mar balear, a partir de ejemplares capturados por barcos de pesca comerciales entre 150 y 650 m de profundidad durante los a\u00f1os 1992 a 1997. Los importantes cambios morfol\u00f3gicos que tienen durante la ontogenia y un controvertido problema de nomenclatura condicionan la confusi\u00f3n existente en la taxonom\u00eda del g\u00e9nero. Un an\u00e1lisis de la evoluci\u00f3n de diversos caracteres morfoanat\u00f3micos y la revisi\u00f3n de la literatura existente permite concluir que existe una \u00fanica especie del g\u00e9nero centrophorus en el mediterr\u00e1neo. Se proponen dos soluciones alternativas al conflicto de nomenclatura existente y, hasta que sea adoptada una resoluci\u00f3n por la cinz, se propone provisionalmente el nombre c. Granulosus (bloch y schneider, 1801) para la especie estudiada. Se describe el aparato reproductor de cada sexo, con particular referencia a la composici\u00f3n y caracterizaci\u00f3n de los fol\u00edculos ov\u00e1ricos. C. Granulosus presenta uno de los potenciales reproductores m\u00e1s bajos descritos para elasmobranquios: un solo embri\u00f3n por gestaci\u00f3n, la cual podr\u00eda durar 2-3 a\u00f1os. Generalmente se desarrolla un \u00fanico ovocito ov\u00e1rico de gran tama\u00f1o (hasta m\u00e1s de 350g) de manera simult\u00e1nea al desarrollo del embri\u00f3n, lo que implica potencialidad para llevar a cabo gestaciones sucesivas. Sin embargo, la p\u00e9rdida ocasional del ovocito reci\u00e9n ovulado (\u00abovulaci\u00f3n fallida\u00bb) o la posibilidad del inicio de la atresia del ovocito ov\u00e1rico incluso cuando est\u00e1 pr\u00f3ximo a la ovulaci\u00f3n conllevan la existencia de un per\u00edodo no f\u00e9rtil hasta la producci\u00f3n de un nuevo ovocito e implican una reducci\u00f3n adicional del potencial reproductor a lo largo de la vida de cada ejemplar. Se analiza la estructura y el desarrollo de las espinas de las aletas dorsales<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Contribucion al conocimiento de la biolog\u00eda y la taxonomia del tiburon batial c entrophorus granulosus (bloch y schneider, 1801) en el mar balear (mediterraneo occidental).<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Contribucion al conocimiento de la biolog\u00eda y la taxonomia del tiburon batial c entrophorus granulosus (bloch y schneider, 1801) en el mar balear (mediterraneo occidental). <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Javier Guallart Furio <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Universitat de val\u00e9ncia (estudi general)<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1998<\/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> Garcia Carrascosa A. Manuel<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Manuel Blasco Ru\u00edz <\/li>\n<li>C. Emig Christian (vocal)<\/li>\n<li>Enrique Carbonell Baldobi (vocal)<\/li>\n<li>Jes\u00fas Matallanas Garcia (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Javier Guallart Furio Se analizan aspectos de la taxonomia, biolog\u00eda reproductiva, edad y crecimiento, r\u00e9gimen alimentario y [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[27,35,976,228,226,227],"tags":[12435,12175,91781,94996,13137,12177],"class_list":["post-35642","post","type-post","status-publish","format-standard","hentry","category-ciencias-de-la-tierra-y-del-espacio","category-ciencias-de-la-vida","category-ecologia-animal","category-oceanografia","category-zoologia","category-zoologia-oceanografica","tag-c-emig-christian","tag-enrique-carbonell-baldobi","tag-garcia-carrascosa-a-manuel","tag-javier-guallart-furio","tag-jesus-matallanas-garcia","tag-manuel-blasco-ruiz"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/35642","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=35642"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/35642\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=35642"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=35642"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=35642"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}