{"id":87367,"date":"2018-03-10T00:12:09","date_gmt":"2018-03-10T00:12:09","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/biologa%c2%ada-de-la-reproduccion-de-algunos-escorpeniformes-del-mediterraneo-occidental-pisces-teleostei\/"},"modified":"2018-03-10T00:12:09","modified_gmt":"2018-03-10T00:12:09","slug":"biologa%c2%ada-de-la-reproduccion-de-algunos-escorpeniformes-del-mediterraneo-occidental-pisces-teleostei","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/biologa%c2%ada-de-la-reproduccion-de-algunos-escorpeniformes-del-mediterraneo-occidental-pisces-teleostei\/","title":{"rendered":"Biolog\u00eda de la reproducci\u00f3n de algunos escorpeniformes del mediterr\u00e1neo occidental (pisces, teleostei)"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Marta Mu\u00f1oz Frigola <\/strong><\/h2>\n<p>Se analiza la biolog\u00eda de la reproducci\u00f3n de cuatro especies de escorpeniformes: aspitrigla, obscura, trigla lyra, scorpaena notata y helicolenus dactylopterus dactylopterus.Asimismo, se caracterizan diversas modalidades intermedias de reproducci\u00f3n entre el oviparimso y el viviparimso en peces. La puesta de las cuatroespecies analizadas es m\u00fatliple y la fecundidad determinada. no obstante, aunque todas las especies son ov\u00edparas, solamente a. Obscura y t. Lyra son estrictamente ovull\u00edparas. La poblaci\u00f3n de a. Obscura est\u00e1 deominada por hembras, las cuales crecen m\u00e1s r\u00e1pidamente y alcanzan la maduraci\u00f3n sexual a tallas superiores (130 mm de longitud est\u00e1ndar para las hembras y 120 mm para los machos). La puesta contiene entre 7000 y 22500 huevos pel\u00e1gicos libres que son liberados entre enero y abril.  t. Lyra no presenta dimorfismo sexual. La talla de maduraci\u00f3n de los machos es de 180 mm. De longitud est\u00e1ndar y la de las hembras de 200 mm. la puesta acontece desde enero hasta principios de primavera. Se trata de huevos pel\u00e1gocios individuales, con un n\u00famero muy variable que oscial entre 2300 y 108000.  s. Notata es una especie ovul\u00edpara especializada. Los individuos con una longitud est\u00e1ndar de 81-82 mm ya son sexualmente maduros. El h\u00edgado es un \u00f3rgano de reserva importante. La espermatog\u00e9nesis es sic\u00edstica. La estructura ov\u00e1rica permite la producci\u00f3n de una matriz gelatinosa que engloba los huevos,  carentes de gotas lip\u00eddcas. La fertilizaci\u00f3n todav\u00eda es externa y la puesta se prolonga desde lulio hasta octubre.La fecundidad absoltua es de 6000-33000 huevos.  h.D. Dactylopterus es una especie zig\u00f3para. La talla de maduraci\u00f3n sexual es de 130 mm. De longitud est\u00e1ndar en los machos y 145 mm. En las hembras.La papila urogenital masuclina act\u00faa de \u00f3rgano coplador y la ferilizaci\u00f3n es interna. Los espermatozoides se almacenan en el ovario durante periodos de hasta 10 meses, dentro de unas estructuras cripta<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Biolog\u00eda de la reproducci\u00f3n de algunos escorpeniformes del mediterr\u00e1neo occidental (pisces, teleostei)<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Biolog\u00eda de la reproducci\u00f3n de algunos escorpeniformes del mediterr\u00e1neo occidental (pisces, teleostei) <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Marta Mu\u00f1oz Frigola <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Girona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 16\/11\/2000<\/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>Margarita Casadevall Mas\u00f3<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jes\u00fas Matallanas garcia <\/li>\n<li>enric Massut\u00ed sureda (vocal)<\/li>\n<li>domingo Lloris samo (vocal)<\/li>\n<li>ram\u00f3n Moreno amich (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Marta Mu\u00f1oz Frigola Se analiza la biolog\u00eda de la reproducci\u00f3n de cuatro especies de escorpeniformes: aspitrigla, obscura, [&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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