[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.bafr.cz\/ziji-i-na-antarktide\/#Article","mainEntityOfPage":"https:\/\/www.bafr.cz\/ziji-i-na-antarktide\/","headline":"\u017dij\u00ed i na Antarktid\u011b","name":"\u017dij\u00ed i na Antarktid\u011b","description":"Pro v\u0161echna antarktick\u00e1 zv\u00ed\u0159ata, \u017eij\u00edc\u00ed na jednom z nejpozoruhodn\u011bj\u0161\u00edch m\u00edst, plat\u00ed dv\u011b pravidla. To prvn\u00ed se naz\u00fdv\u00e1 Allenovo, p\u0159edpokl\u00e1daj\u00edc\u00ed, \u017ee aby se minimalizovaly tepeln\u00e9 t\u011blesn\u00e9 ztr\u00e1ty a \u017eivot v tomto chladn\u00e9m prost\u0159ed\u00ed mohl b\u00fdt zachov\u00e1n, vybavuje zv\u00ed\u0159ata men\u0161\u00edmi kon\u010detinami. Ale rovn\u011b\u017e i nosy, u\u0161ima \u010di ocasy. To druh\u00e9 pravidlo je Bergmanovo. Kter\u00e9 potvrzuje, \u017ee stejn\u011b […]","datePublished":"2022-11-27","dateModified":"2022-11-27","author":{"@type":"Person","@id":"https:\/\/www.bafr.cz\/author\/#Person","name":"","url":"https:\/\/www.bafr.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/25a824e14ead2d36aba24b918221841350fb41cea98048e9b1929df8c4bf4bd8?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/25a824e14ead2d36aba24b918221841350fb41cea98048e9b1929df8c4bf4bd8?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"bafr.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.bafr.cz\/wp-content\/uploads\/istockphoto-467367026-612x612_1.jpg","url":"https:\/\/www.bafr.cz\/wp-content\/uploads\/istockphoto-467367026-612x612_1.jpg","height":0,"width":0},"url":"https:\/\/www.bafr.cz\/ziji-i-na-antarktide\/","about":["Zv\u00ed\u0159ata"],"wordCount":419,"articleBody":"Pro v\u0161echna antarktick\u00e1 zv\u00ed\u0159ata, \u017eij\u00edc\u00ed na jednom z nejpozoruhodn\u011bj\u0161\u00edch m\u00edst, plat\u00ed dv\u011b pravidla. To prvn\u00ed se naz\u00fdv\u00e1 Allenovo, p\u0159edpokl\u00e1daj\u00edc\u00ed, \u017ee aby se minimalizovaly tepeln\u00e9 t\u011blesn\u00e9 ztr\u00e1ty a \u017eivot v tomto chladn\u00e9m prost\u0159ed\u00ed mohl b\u00fdt zachov\u00e1n, vybavuje zv\u00ed\u0159ata men\u0161\u00edmi kon\u010detinami. Ale rovn\u011b\u017e i nosy, u\u0161ima \u010di ocasy. To druh\u00e9 pravidlo je Bergmanovo. Kter\u00e9 potvrzuje, \u017ee stejn\u011b vybavena jsou i zv\u00ed\u0159ata v tropick\u00fdch oblastech. Z opa\u010dn\u00e9ho d\u016fvodu.\u00a0Izola\u010dn\u00ed vrstva tuk\u016f zv\u00ed\u0159at \u017eij\u00edc\u00edch na Antarktid\u011b, kter\u00fd jsou zvykl\u00e1 hromadit pod k\u016f\u017e\u00ed, jim pom\u00e1h\u00e1 udr\u017eet pot\u0159ebnou t\u011blesnou teplotu. Rovn\u011b\u017e srst, kter\u00e1 je obvykle hust\u00e1, vytv\u00e1\u0159\u00ed tolik pot\u0159ebnou izola\u010dn\u00ed vrstvu.Tu\u010d\u0148\u00e1k kr\u00e1lovsk\u00fd pat\u0159\u00ed mezi nej\u010dast\u011bj\u0161\u00ed obyvatele Antarktidy. Ve voln\u00e9 p\u0159\u00edrod\u011b \u017eije a\u017e dvacet leta a vytv\u00e1\u0159\u00ed po\u010detn\u00e9 kolonie. Je schopn\u00fd se pono\u0159it do v\u00edce ne\u017e stometrov\u00fdch hloubek oce\u00e1nu. Ve kter\u00fdch tr\u00e1v\u00ed v\u011bt\u0161inu \u010dasu. Je cel\u00fd \u010dern\u00fd a pozn\u00e1vac\u00ed znamen\u00ed je b\u00edl\u00e1 barva na b\u0159i\u0161e. Antarktick\u00fd tule\u0148 pat\u0159\u00ed mezi savce, kter\u00fd se m\u016f\u017ee pochlubit mimo\u0159\u00e1dnou schopnost\u00ed se pohybovat v hloubk\u00e1ch a\u017e \u0161est set metr\u016f pod hladinou. A vydr\u017eet tam a\u017e dv\u011b hodiny. Co\u017e mu umo\u017e\u0148uje v\u011bt\u0161\u00ed objem krve a t\u00edm p\u00e1dem i v\u011bt\u0161\u00ed mno\u017estv\u00ed \u010derven\u00fdch krvinek. Tule\u0148 je zbarven st\u0159\u00edb\u0159it\u011b hn\u011bd\u011b v mal\u00fdch skvrn\u00e1ch po cel\u00e9m t\u011ble. \u017div\u00ed se mal\u00fdmi kor\u00fd\u0161i a nepohrdnou ani hlavono\u017eci.Nejv\u011bt\u0161\u00ed velrybou na sv\u011bt\u011b je Modr\u00e1 velryba, kter\u00e1 svou velikost\u00ed v d\u00e9lce dvaceti p\u011bti metr\u016f a v\u00e1hou sto pades\u00e1ti tun, je z\u00e1rove\u0148 v sou\u010dasnosti nejv\u011bt\u0161\u00edm zv\u00ed\u0159etem na na\u0161\u00ed planet\u011b. Tento kytovec b\u00fdv\u00e1 spat\u0159en sporadicky a ocitl se na listin\u011b ohro\u017een\u00fdch druh\u016f. Stejn\u011b jako Antarktick\u00fd kormor\u00e1n. Jeho\u017e nejv\u00fdrazn\u011bj\u0161\u00edm rysem jsou modr\u00e9 o\u010di. Dosahuje velkosti necel\u00e9ho metru a v dosp\u011blosti v\u00e1\u017e\u00ed mezi t\u0159emi a \u010dty\u0159mi kilogramy. P\u0159esto\u017ee jeho pe\u0159\u00ed nen\u00ed vodot\u011bsn\u00e9, p\u0159i namo\u010den\u00ed vytvo\u0159\u00ed zv\u00ed\u0159ec\u00ed tuk, co\u017e mu usnadn\u00ed pot\u0159ebn\u00e9 pono\u0159en\u00ed. Vzhledem ke glob\u00e1ln\u00edmu oteplov\u00e1n\u00ed, t\u00e1n\u00ed ledovc\u016f a t\u00edm\u00a0zmen\u0161en\u00ed zamrzl\u00e9 vodn\u00ed hladiny p\u0159ibylo zv\u00ed\u0159at, kter\u00fdm zm\u011bn\u011bn\u00e9 klima nesv\u011bd\u010d\u00ed a rychle jich ub\u00fdv\u00e1.\u00a0                                                                                                                                                                                                                                                                                                                                                                                                "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"\u017dij\u00ed i na Antarktid\u011b","item":"https:\/\/www.bafr.cz\/ziji-i-na-antarktide\/#breadcrumbitem"}]}]