[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.vedomie.sk\/morske-korytnacky\/#Article","mainEntityOfPage":"https:\/\/www.vedomie.sk\/morske-korytnacky\/","headline":"Morsk\u00e9 korytna\u010dky","name":"Morsk\u00e9 korytna\u010dky","description":"Morsk\u00e9 korytna\u010dky s\u00fa skupinou oboj\u017eiveln\u00edkov, ktor\u00e9 sa vyskytuj\u00fa vo v\u0161etk\u00fdch oce\u00e1noch sveta s v\u00fdnimkou pol\u00e1rnej oblasti.  Z 7 zn\u00e1mych druhov morsk\u00fdch korytna\u010diek je 6 v\u00e1\u017ene ohrozen\u00fdch. Hlavn\u00fdmi faktormi, ktor\u00e9 zni\u017euj\u00fa po\u010det morsk\u00fdch korytna\u010diek, s\u00fa: pytliactvo, strata hniezdnych alebo k\u0155mnych oblast\u00ed, n\u00e1hodn\u00fd \u00falovok (naz\u00fdvan\u00fd ved\u013eaj\u0161\u00ed \u00falovok), zne\u010distenie oce\u00e1nov a zmeny po\u010dasia (glob\u00e1lne otep\u013eovanie).   Zauj\u00edmav\u00e9 fakty […]","datePublished":"2019-08-06","dateModified":"2024-01-30","author":{"@type":"Person","@id":"https:\/\/www.vedomie.sk\/author\/#Person","name":"","url":"https:\/\/www.vedomie.sk\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/dcb1aeb5e7d95014cdc92e76cf3c72f6b456579bf773ad0081803a6569ffc19c?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/dcb1aeb5e7d95014cdc92e76cf3c72f6b456579bf773ad0081803a6569ffc19c?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"vedomie.sk","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.vedomie.sk\/wp-content\/uploads\/img_a306297_w16832_t1568818685.jpg","url":"https:\/\/www.vedomie.sk\/wp-content\/uploads\/img_a306297_w16832_t1568818685.jpg","height":0,"width":0},"url":"https:\/\/www.vedomie.sk\/morske-korytnacky\/","about":["Zvierat\u00e1"],"wordCount":438,"articleBody":"\tMorsk\u00e9 korytna\u010dky s\u00fa skupinou oboj\u017eiveln\u00edkov, ktor\u00e9 sa vyskytuj\u00fa vo v\u0161etk\u00fdch oce\u00e1noch sveta s v\u00fdnimkou pol\u00e1rnej oblasti. \t\tZ 7 zn\u00e1mych druhov morsk\u00fdch korytna\u010diek je 6 v\u00e1\u017ene ohrozen\u00fdch. Hlavn\u00fdmi faktormi, ktor\u00e9 zni\u017euj\u00fa po\u010det morsk\u00fdch korytna\u010diek, s\u00fa: pytliactvo, strata hniezdnych alebo k\u0155mnych oblast\u00ed, n\u00e1hodn\u00fd \u00falovok (naz\u00fdvan\u00fd ved\u013eaj\u0161\u00ed \u00falovok), zne\u010distenie oce\u00e1nov a zmeny po\u010dasia (glob\u00e1lne otep\u013eovanie).\t \tZauj\u00edmav\u00e9 fakty o morsk\u00fdch korytna\u010dk\u00e1ch:\tMorsk\u00e9 korytna\u010dky s\u00fa ve\u013emi star\u00e9 organizmy. \u017dij\u00fa na Zemi viac ako 220 mili\u00f3nov rokov. Podarilo sa im pre\u017ei\u0165 zmeny po\u010dasia, ktor\u00e9 zabili dinosaurov.\tIch telo je chr\u00e1nen\u00e9 hornou \u0161krupinou zvanou pancier.\tNa rozdiel od suchozemsk\u00fdch korytna\u010diek nem\u00f4\u017eu morsk\u00e9 korytna\u010dky skry\u0165 svoje hlavy a nohy vo vn\u00fatri \u0161krupiny. V\u010faka tomu s\u00fa zranite\u013enej\u0161ie, ke\u010f pr\u00eddu do styku s pred\u00e1tormi.\t \tMorsk\u00e9 korytna\u010dky tr\u00e1via v\u00e4\u010d\u0161inu svojho \u017eivota v oce\u00e1ne. Samice s\u00fa na pl\u00e1\u017each vidite\u013en\u00e9 iba po\u010das hniezdnej sez\u00f3ny.\tPo\u010das hniezdnej sez\u00f3ny sa samicavr\u00e1ti sp\u00e4\u0165 na t\u00fa ist\u00fa pl\u00e1\u017e, kde sa narodila. Spr\u00e1vnu pl\u00e1\u017e n\u00e1jde aj po 30 rokoch nepr\u00edtomnosti.\tKorytna\u010dka kladie vajcia do dier v piesku. Tieto „hniezda“ sa nedaj\u00fa \u013eahko rozozna\u0165, preto\u017ee ich korytna\u010dka zakr\u00fdva \u010fal\u0161ou vrstvou piesku. V z\u00e1vislosti od druhu ka\u017ed\u00e9 hniezdo obsahuje medzi 60-200 vaj\u00ed\u010dkami.\t\tTeplota ur\u010duje pohlavie detsk\u00fdch korytna\u010diek. Samica sa narod\u00ed, ak je teplota vaj\u00ed\u010dka vysok\u00e1, a samec, ak je teplota vaj\u00ed\u010dka n\u00edzka.\tMlad\u00e9 korytna\u010dky sa v noci vyliahnu a pomocou mesa\u010dn\u00e9ho svitu n\u00e1jdu cestu k moru. Pr\u00edli\u0161 ve\u013ea svetiel prich\u00e1dzaj\u00facich z pl\u00e1\u017ee alebo z ne\u010falekej cesty m\u00f4\u017ee dezorientova\u0165 a zmias\u0165 mlad\u00e9 korytna\u010dky.\tMorsk\u00e9 korytna\u010dky kr\u00e1\u010daj\u00fa pomaly po zemi, preto\u017ee ich plutvy s\u00fa prisp\u00f4soben\u00e9 na pl\u00e1vanie a nie na ch\u00f4dzu. S\u00fa to vynikaj\u00faci plavci, ktor\u00ed dok\u00e1\u017eu prejs\u0165 ve\u013ek\u00e9 vzdialenosti. Korytna\u010dka m\u00f4\u017ee cestova\u0165 z Indon\u00e9zie do Oregonu 12 000 km.\t \tMorsk\u00e9 korytna\u010dky nemaj\u00fa zuby, ale ich \u00fasta s\u00fa prisp\u00f4soben\u00e9 ka\u017ed\u00e9mu druhu jedla, ktor\u00e9 be\u017ene jedia. Zelen\u00e1 morsk\u00e1 korytna\u010dka je vegetari\u00e1n, ktor\u00fd \u017eerie morsk\u00fa tr\u00e1vu, zatia\u013e \u010do in\u00e9 korytna\u010dky jedia kraby, mu\u0161le, med\u00fazy, morsk\u00e9 uhorky. Morsk\u00e9 korytna\u010dky chytia a zjedia plastov\u00e9 vrece z vody, preto\u017ee to vyzer\u00e1 ako med\u00faza. Mohlo by to zabi\u0165 morsk\u00fa korytna\u010dku.                                                                                                                                                                                                                                                                                                                                                                                        2.7\/5 - (4 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Morsk\u00e9 korytna\u010dky","item":"https:\/\/www.vedomie.sk\/morske-korytnacky\/#breadcrumbitem"}]}]