[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.itech-cz.cz\/drsny-zivot-na-antarktide\/#Article","mainEntityOfPage":"https:\/\/www.itech-cz.cz\/drsny-zivot-na-antarktide\/","headline":"Drsn\u00fd \u017eivot na Antarktid\u011b","name":"Drsn\u00fd \u017eivot na Antarktid\u011b","description":"2\u00a0000 km dlouh\u00fd Antarktick\u00fd poloostrov zasahuje a\u017e za ji\u017en\u00ed pol\u00e1rn\u00ed kruh. V\u00a0pob\u0159e\u017en\u00edm p\u00e1smu je vzduch je\u0161t\u011b relativn\u011b vlhk\u00fd, pokud se v\u0161ak dostanete do vnitrozem\u00ed, vzduch je zde tak studen\u00fd, \u017ee neudr\u017e\u00ed \u017e\u00e1dnou vlhkost. D\u00e9\u0161\u0165, mlha a sn\u011bhov\u00e9 bou\u0159e se st\u0159\u00eddaj\u00ed s\u00a0napohled n\u00e1dhern\u00fdmi slune\u010dn\u00fdmi dny. Teplota v\u00a0t\u011bchto dnes m\u016f\u017ee vyl\u00e9zt a\u017e","datePublished":"2018-02-09","dateModified":"2023-05-05","author":{"@type":"Person","@id":"https:\/\/www.itech-cz.cz\/author\/#Person","name":"","url":"https:\/\/www.itech-cz.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/6eaf701939e92690bed32d6f2e2c0f9e1355f2e3837c1fb45fbfacf848239e2d?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/6eaf701939e92690bed32d6f2e2c0f9e1355f2e3837c1fb45fbfacf848239e2d?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"itech-cz.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.itech-cz.cz\/wp-content\/uploads\/img_a312310_w2577_t1523301475.jpg","url":"https:\/\/www.itech-cz.cz\/wp-content\/uploads\/img_a312310_w2577_t1523301475.jpg","height":0,"width":0},"url":"https:\/\/www.itech-cz.cz\/drsny-zivot-na-antarktide\/","about":["Dovolen\u00e1"],"wordCount":505,"articleBody":"2\u00a0000 km dlouh\u00fd Antarktick\u00fd poloostrov zasahuje a\u017e za ji\u017en\u00ed pol\u00e1rn\u00ed kruh. V\u00a0pob\u0159e\u017en\u00edm p\u00e1smu je vzduch je\u0161t\u011b relativn\u011b vlhk\u00fd, pokud se v\u0161ak dostanete do vnitrozem\u00ed, vzduch je zde tak studen\u00fd, \u017ee neudr\u017e\u00ed \u017e\u00e1dnou vlhkost. D\u00e9\u0161\u0165, mlha a sn\u011bhov\u00e9 bou\u0159e se st\u0159\u00eddaj\u00ed s\u00a0napohled n\u00e1dhern\u00fdmi slune\u010dn\u00fdmi dny. Teplota v\u00a0t\u011bchto dnes m\u016f\u017ee vyl\u00e9zt a\u017e k\u00a0p\u011bti stup\u0148\u016fm. B\u011bhem l\u00e9ta zde Slunce nezapad\u00e1, p\u0159esto i tak jsou zde \u017eivotn\u00ed podm\u00ednky extr\u00e9mn\u011b n\u00e1ro\u010dn\u00e9. Po v\u011bt\u0161inu roku jsou pro \u017eivo\u010dichy jejich lovi\u0161t\u011b a rozmno\u017eovac\u00ed m\u00edsta vinou ledu nep\u0159\u00edstupn\u00e1. Samci tu\u010d\u0148\u00e1k\u016f sed\u00ed na vejc\u00edch 65 dn\u00ed bez potravy, tule\u0148 Weddell\u016fv dok\u00e1\u017ee \u017e\u00edt pod ledem celou zimu. \u017divo\u010dichov\u00e9 jsou zkr\u00e1tka \u017eivotu zde p\u0159izp\u016fsobeni, jinak by nem\u011bli \u0161anci p\u0159e\u017e\u00edt.Tule\u0148 leopard\u00edM\u00e1 srst podobn\u011b skvrnitou jako leopard. M\u00e1 silnou \u0161irokou \u010delist s\u00a0dlouh\u00fdmi \u0161pi\u010d\u00e1ky, tak\u017ee je skv\u011bl\u00fdm lovcem. Dok\u00e1\u017ee ulovit i jin\u00e9 druhy tule\u0148\u016f, p\u0159esto hlavn\u00ed slo\u017ekou potravy je drobn\u00fd kril. Na rozd\u00edl od ostatn\u00edch tule\u0148\u016f se nepohybuje pod vodou vp\u0159ed d\u00edky pohybu zadn\u00edch kon\u010detin, n\u00fdbr\u017e vyu\u017e\u00edv\u00e1 sv\u00e9 velk\u00e9 ov\u00e1ln\u00e9 p\u0159edn\u00ed ploutve. Jeho pohyb ve vod\u011b je tak rychlej\u0161\u00ed, na sou\u0161i mu v\u0161ak \u010din\u00ed v\u011bt\u0161\u00ed obt\u00ed\u017ee. Jejich dlouh\u00e9 vol\u00e1n\u00ed je sly\u0161et i p\u0159es vrstvu ledu.Plejtv\u00e1k obrovsk\u00fdToto nejv\u011bt\u0161\u00ed zv\u00ed\u0159e na sv\u011bt\u011b se paradoxn\u011b \u017eiv\u00ed drobn\u00fdm krilem. V\u00e1\u017e\u00ed dvakr\u00e1t tolik, co v\u00e1\u017eil nejv\u011bt\u0161\u00ed dinosaurus, jen jeho jazyk v\u00e1\u017e\u00ed 4\u00a0000 kilogram\u016f! Krve m\u00e1 p\u0159ibli\u017en\u011b 10 tun a jeho srdce v\u00e1\u017e\u00ed a\u017e 900 kilogram\u016f. Plejtv\u00e1k se v\u00a0mo\u0159\u00edch pohybuje bu\u010f samostatn\u011b, nebo v\u00a0mal\u00e9 skupin\u011b. Navzdory sv\u00e9 velikosti, je jeho pohyb vodou elegantn\u00ed. Jejich vol\u00e1n\u00ed je nejhlasit\u011bj\u0161\u00ed v\u00a0cel\u00e9 \u017eivo\u010di\u0161n\u00e9 \u0159\u00ed\u0161i, dosahuje a\u017e 188 decibel\u016f. Dnes je na\u0161t\u011bst\u00ed lov t\u011bchto obr\u016f zak\u00e1z\u00e1n a jejich po\u010dty se zase za\u010d\u00ednaj\u00ed pomalu navy\u0161ovat.Tu\u010d\u0148\u00e1k c\u00edsa\u0159sk\u00fdU d\u011bt\u00ed vzhledem ke sv\u00e9mu roztomil\u00e9mu vzhledu jedno z\u00a0nejobl\u00edben\u011bj\u0161\u00edch zv\u00ed\u0159at na zemi. Kol\u00e9bav\u00e1 ch\u016fze a \u010dern\u00fd frak jsou typick\u00fdmi znaky tu\u010d\u0148\u00e1ka. Tento druh se p\u0159i hled\u00e1n\u00ed potravy pot\u00e1p\u00ed hloub\u011bji ne\u017e jin\u00ed pt\u00e1ci. Pot\u00e9 co vyleze z\u00a0ledov\u00e9 vody, mus\u00ed se ochlazovat m\u00e1v\u00e1n\u00edm k\u0159\u00eddel a zrychlen\u00fdm d\u00fdch\u00e1n\u00edm. Tmav\u00e9 pe\u0159\u00ed vst\u0159eb\u00e1v\u00e1 v\u00edce tepla ze slunce a pod hust\u00fdm pe\u0159\u00edm maj\u00ed izola\u010dn\u00ed vrstvu. D\u00e1le maj\u00ed k\u016f\u017e\u00ed tlustou tukovou vrstvu, d\u00edky kter\u00e9 p\u0159e\u017eij\u00ed i v\u00a0teplot\u00e1ch kolem – 60\u00b0C. Ml\u00e1\u010fata se l\u00edhnou t\u00e9m\u011b\u0159 hol\u00e1, a tak je mus\u00ed rodi\u010de zah\u0159\u00edvat, dokud jim nenaroste prachov\u00e9 pe\u0159\u00ed a nejsou dostate\u010dn\u011b velk\u00e1 pro samostatn\u00fd pohyb.                                                                                                                                                                                                                                                                                                                                                                                        4.1\/5 - (7 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Drsn\u00fd \u017eivot na Antarktid\u011b","item":"https:\/\/www.itech-cz.cz\/drsny-zivot-na-antarktide\/#breadcrumbitem"}]}]