{"id":10066,"date":"2018-06-21T11:37:19","date_gmt":"2018-06-21T09:37:19","guid":{"rendered":"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/?p=10066"},"modified":"2018-07-04T13:36:39","modified_gmt":"2018-07-04T11:36:39","slug":"limnea","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/general\/limnea\/","title":{"rendered":"LIMNEA"},"content":{"rendered":"<p>Entres els mol\u00b7lusc d\u2019aigua dol\u00e7a cal diferenciar entre dos tipus:<\/p>\n<ul>\n<li>Els gaster\u00f2podes que s\u2019arrosseguen amb el seu peu (pode) que \u00e9s a la vegada la seva panxa (gastero) s\u00f3n els que trobem a la riera de Vallvidrera.<\/li>\n<li>Els bivalves. On la closca est\u00e0 formades per dos valves.<\/li>\n<\/ul>\n<p><strong>La Limnea \u00e9s un gaster\u00f2pode<\/strong><\/p>\n<p><a href=\"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2018\/06\/Lymnaea-stagnalis1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10077\" src=\"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2018\/06\/Lymnaea-stagnalis1.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2018\/06\/Lymnaea-stagnalis1.jpg 300w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2018\/06\/Lymnaea-stagnalis1-200x150.jpg 200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><strong>FORMA DEL COS:<\/strong><\/p>\n<p>T\u00e9 les v\u00edsceres enrotllades a l\u2019interior de la closca marr\u00f3 fosc que \u00e9s allargada i punxeguda. La closca es cargola i t\u00e9 dos tentacles triangulars. Pot arribar a fer m\u00e9s de 6 cent\u00edmetres..<\/p>\n<p>La forma de la closca est\u00e0 influ\u00efda per factors com la temperatura de l\u2019aigua, els moviments de l\u2019aigua i\u00a0 les condicions aliment\u00e0ries.<\/p>\n<p><a href=\"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2018\/06\/limnea.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10072\" src=\"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2018\/06\/limnea.jpg\" alt=\"\" width=\"118\" height=\"200\" \/><\/a>Si posem la closca perpendicular al terra amb la punta cap a munt i posem l\u2019obertura mirant cap a nosaltres, aquesta sempre queda a la dreta.<\/p>\n<p><strong>DESPLA\u00c7AMENT:<\/strong><\/p>\n<p>Es despla\u00e7a reptant amb el seu peu muscul\u00f3s.<\/p>\n<p><strong>LA RESPIRACI\u00d3:<\/strong><\/p>\n<p>\u00c9s un cargol pulmonat aqu\u00e0tic. A dins la closca presenta un pulm\u00f3 molt senzill associat a unes br\u00e0nquies secund\u00e0ries.<\/p>\n<p>De tant en tant es despla\u00e7a fins a la superf\u00edcie per agafar oxigen de l\u2019aire.<\/p>\n<p><strong>LA NUTRICI\u00d3<\/strong>:<\/p>\n<p>\u00c9s herb\u00edvor (consumidor primari). Amb la r\u00e0dula que \u00e9s com una llengua recoberta de milers de\u00a0 dentetes va fregant com si fos un llima la superf\u00edcie d\u2019algues i plantes aqu\u00e0tiques.<a href=\"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2018\/06\/linnea-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10076\" src=\"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2018\/06\/linnea-1.jpg\" alt=\"\" width=\"300\" height=\"182\" \/><\/a><a href=\"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2018\/06\/ouslimnea1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-10085 alignright\" src=\"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2018\/06\/ouslimnea1.jpg\" alt=\"\" width=\"322\" height=\"438\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2018\/06\/ouslimnea1.jpg 322w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2018\/06\/ouslimnea1-221x300.jpg 221w\" sizes=\"auto, (max-width: 322px) 100vw, 322px\" \/><\/a><\/p>\n<p><strong>\u00a0EL COMPORTAMENT<\/strong>.<\/p>\n<p>Viu en aig\u00fces dolces tranquil\u00b7les, a les pedres \u00a0i vegetaci\u00f3.<\/p>\n<p><strong>\u00a0LA POSTA<br \/>\n<\/strong>Consta de nombrosos ous\u00a0 envoltats d\u2019una massa gelatinosa transl\u00facida que posa sobre plantes aqu\u00e0tiques. \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<a href=\"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2018\/06\/ouslimnea.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-10082 alignleft\" src=\"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2018\/06\/ouslimnea.jpg\" alt=\"\" width=\"177\" height=\"142\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><strong>CURIOSITATS:<\/strong><\/p>\n<ul>\n<li>La majoria de cargols d\u2019aigua dol\u00e7a no tenen opercle, que \u00e9s una pe\u00e7a de la mateixa naturalesa que la closca que la usen per tancar l\u2019obertura ( els hi fa de porta).<\/li>\n<\/ul>\n<p>&#8211;\u00a0 Per saber-ne m\u00e9s podeu consultar:<\/p>\n<ul>\n<li>Nachtigall, Werner: \u201cAnimales de Charcas i estanques\u201d Guia de la Naturaleza Ed. Everest<\/li>\n<li>Eckart Pott: \u201cPeque\u00f1a guia de la flora i fauna de los r\u00edos y lagos de Europa\u201d Ed Omega<\/li>\n<li>Hist\u00f2ria Natrual dels Pa\u00efsos Catalans volum 8 Invertebrats no Artr\u00f2podes \u00a0Ed. Enciclop\u00e8dia Catalana.<\/li>\n<li>Ammann, Konrad: \u201cLa vida a les aig\u00fces dolces\u201d. Col\u00b7lecci\u00f3 Bivac. Ed. Teide<\/li>\n<li>Garc\u00eda-Valdecasas, Antonio; Vatic\u00f3n, Nacho : \u201c Los invertebrados de agua dulce\u201d Ed Penthalon<\/li>\n<li>Puig, Ma \u00c0ngels: \u201cEls macroinvertebrats dels rius catalans\u201d Departament de Medi Ambient Generalitat de Catalunya<\/li>\n<li>Macan, T.T. : \u201cGuia de animales invertebrtados de agua dulce\u201d Ed Eunsa<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Entres els mol\u00b7lusc d\u2019aigua dol\u00e7a cal diferenciar entre dos tipus: Els gaster\u00f2podes que s\u2019arrosseguen amb el seu peu (pode) que \u00e9s a la vegada la seva panxa (gastero) s\u00f3n els que trobem a la riera de Vallvidrera. Els bivalves. On la closca est\u00e0 formades per dos valves. La Limnea \u00e9s un gaster\u00f2pode FORMA DEL COS: [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":10077,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"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-opacity":"","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-opacity":"","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-opacity":"","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-opacity":"","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-opacity":"","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-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[374,1,347,318],"tags":[],"class_list":["post-10066","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles-animals-de-la-riera","category-general","category-natura","category-animals-de-la-riera"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts\/10066","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/comments?post=10066"}],"version-history":[{"count":4,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts\/10066\/revisions"}],"predecessor-version":[{"id":10120,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts\/10066\/revisions\/10120"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/media\/10077"}],"wp:attachment":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/media?parent=10066"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/categories?post=10066"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/tags?post=10066"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}