Isithwathwa esifundeni, lapho kukhona amabhere

I-Arctic - Territory eseduze isigxobo enyakatho. Kuhlanganisa Arctic Ocean kanye eziqhingini ezingasogwini oluseningizimu ye-Nyakatfo Melika eYurophu nase-Asia. Le ndawo, lapho kukhona amabhere. Ngisho negama layo livela esiGrekini "Arktos" okusho bear. Futhi kulezi ezindaweni nokhahlo ekhaya emangalisayo futhi kancane oyimfihlakalo ezingwadule ezineqhwa.

Ngaphandle kokushintsha ndawo ebandayo

Izwe lapho kukhona amabhere - kungcono ice amasimu iziqhingi e-Arctic Ocean futhi continents'll londoloza. izwe zasendle ngempela. Naphezu kwakho konke lokhu, ophilayo lapha Kulula ukuba athwale uthola ukudla nendawo yokukhosela phakathi enkulu ice abandayo. Kaningi kuyenzeka ukuthi ne floes ice, amabhere ukuza Iceland, ngisho oLwandle Okhotsk futhi Sea of Japan. Kodwa ngemva ezifana uhambo njalo ubuye indawo ayijwayele, okwenza ushintsho olukhulu emhlabeni, ezihambayo aqonde enyakatho.

Ososayensi baye baqaphela ukuthi ibhere elimhlophe kakhulu linamathele izindawo ezithile, ikakhulukazi ayithandayo imithombo amanzi ice. Winter silwane sikhetha elisemaphethelweni aseningizimu ice e-Arctic. Kodwa ehlobo amabhere izule kabanzi, ngisho North Pole. Izindawo lapho kutholakala - kuyiso sonke Arctic. Kodwa kusukela 88 degree enyakatho latitude enyakatho okuqhubekayo isilo ivelakancane.

Indlela siqhubeke siphila kuleli zwe iqhwa

Kungakanani a polar bear ukala? amaduna asekhulile, ikakhulukazi labo ezitholakala Sea iBering, angase afinyelele amamitha amathathu ubude futhi nesisindo ton ngesikhathi esifanayo futhi nakakhulu. Nampa imidondoshiya yangempela. isilwane esinjalo kalula ukunqoba lo snow ejulile futhi ngokushesha ehamba phezu ice, edlulisa usuku 30-40 km. imitha ezimbili ice hummocks futhi ngeke kube yinkinga amabhere, okuyinto kancane isimanga, unikezwa ngosayizi wazo omkhulu. Ngaphezu kwalokho, amabhere - ababhukudi okukhulu. Bayakwazi unqobe ukubhukuda kufika ku-80 km amanzi abanda njengeqhwa abanga ye-Arctic. Kwakukhona ngisho icala lapho ibhere bentanta 685 km, ngaleyo ndlela alahlekelwe isisindo at 48 kg (20% isisindo sayo).

Zonke baye babhekana ngokuphumelelayo ukuba asinde abandayo phakathi floes ice. bezimvu ubamba ukukhanya kwelanga, futhi kuba kulezi zingxenye isisindo sayo ngegolide. izinwele elingenalutho aqukethe emoyeni, ekusizeni ukuxoxa. A ungqimba obukhulu okunamafutha izicubu ngaphansi kwesikhumba ebusika kuziwa 10 cm ukushuba.

Lokhu ezimangelengele giant odla izilwane zasemanzini :. Walruses, izimvu zamanzi, njll Lapho abazingeli, yena nishaye ekhanda ukuthi stuns inyamazane yayo, lapho pops ephuma emanzini, bese losusa phezu eqhweni. Nokho, isilwane sasolwandle esikwaziyo futhi ukuphila ngaphandle ezweni esinamazinyo azingxavula ngale ndlela ngeke siyinqobe naye umhlaseli ezimhlophe Ungasingatha kuphela ezweni. Bear regales isikhumba namafutha, uma kukhona alamba kakhulu, lonke isidumbu uya izimpungushe.

I kwezimo ezinzima esifundeni Arctic, lapho kukhona amabhere, ungavumeli lezi zilo ande ngokushesha. Ekuphileni kwalo konke, ibhere uyakwazi ukuba azale kungekho amawundlu engaphezu kwengu-15. Ngesikhathi esifanayo, inani yokufa kwentsha ingu-30%. Uma siyiqaphele ukuzingela ngokungemthetho lalesi silwane, esiphethweni kusikisela ukuba khona usongo amabhere njengoba oluthile lwento ephilayo.

I polar bear isibe iqhawe zamaqhawe eziningi, tinganekwane, amabhayisikobho kanye opopayi. Abantu bathanda lezi amabhere ubuka arctic, ngezinye izikhathi ukuze ezihlekisayo. Futhi esifundeni, lapho kukhona amabhere, ingabe kuyinkazimulo ukuba iningi lethu a ongaqondakali futhi nhlobo.