Nzvimbo yechando inosvika polar bears

The Arctic ndiyo nharaunda yakatarisana neNorth Pole. Inosanganisira Arctic Ocean uye zviwi kubva kumiganhu yeNorth America neEurasia. Iyi ndiyo nyika inowanikwa polar bears. Kunyange zita rayo rinouya kubva muchiGiriki "arctos", zvinoreva bheya. Uye iri mune mamiriro ezvinhu akaoma iyo anoshamisika uye achinzwisisika anofamba-famba emagwenga echando anogara.

Usashandura mamiriro ezvinhu akaipa

Nyika iyo mazai emapuranga anowanikwa ndiyo minda yechando yezvitsuwa zveActic Ocean uye nemhenderekedzo yekondinendi. Chikamu chairo chemhuka. Pasinei neizvi, bere rinogara pano rinowana nyore nyore zvokudya uye pokugara pakati pechando chisina mvura. Inowanzoitika kuti pamwe chete nemakungwa anotenderera polar bears kuenda kuIceland, uyewo kuGungwa reOkhotsk uye Gungwa reJapan. Asi mushure mekufamba rwendo irworwo, vanogara vachidzokera kunharaunda yavo yavanoziva, vachiita kuchinja kukuru kune dzimwe nyika, vachifamba zvakanyanya kumusoro.

Masayendisiti akacherechedza kuti bhendi rebheya inonyanya kunamatira kune dzimwe nzvimbo, kunyanya iye anoda zvitubu zvemvura zvisina kuvhara. Munguva yechando, chikara chinoshuva kumaodzanyemba kwezasi kweActictic ice. Asi muzhizha mhembera dzinofamba-famba zvakanyanya, uye dzinosvika padenga rekumusoro. Nzvimbo dzavanowanikwa ndiyo Arctic yose. Asi kubva 88 degrees nechokuchamhembe nekurutivi rwokumusoro, chikara hachina chakanaka.

Nzira yekurarama nayo munyika yechando

Ko ibere rinorema rinorema zvakadini? Varume vakuru, kunyanya avo vanowanika muGungwa reBering, vanogona kusvika kusvika mamita matatu uye vanoyera kusvika kune imwe uye kunyange kupfuura. Aya ndiwo mafiro makuru. Mhuka yakadaro inokurumidza nyore kukunda chando chakanyanyisa uye nokukurumidza inofamba nechokumahombekombe, ichipfuura zuva kusvika 30-40 km. Makiri maviri-mita ice hummocks haisiwo dambudziko rebheya, izvo zvisingashamisi zvakapiwa hukuru hwavo hukuru. Mukuwedzera, mapurisa emapurari akanaka kushambira. Vanokwanisa kukurira kushambira kusvika kusvika kuma80 km mumvura yechando yeArctic. Ikoko kwaiva nemhosva apo bhiri rakashambira 685 km, richirasikirwa ne 48 kg (20% yehuremu hwake).

Zvose zvavo zvinogadziriswa kuti vararame pakati pechando chando. Mucheka wakachena unobata zvakanaka chiedza chezuva, uye iye munezvikamu izvi unokosha kukosha kwayo mugoridhe. Mvere dzisina mvere dzine mweya, zvichibatsira kuti dzirambe dzichidziya. Nzvimbo yakasimba yehutu pasi peganda muchando inosvika 10 cm muhutete.

Ichi chikuru chinotyisa pamhuka dzegungwa: walrus, zvisimbiso, nezvimwewo. Kuvhima, anorova musoro wake nekurova kumusoro, kana ichibuda mumvura, ndokubva yachikurira kunze kwechando. Kunyange zvakadaro, murrusyi nenzira iyi haigone kukundwa, pamwe nayo iyo mhondi mutsvuku inogona kungobata chete pasi. Bhere rinodzosera ganda uye mafuta, kana pasina nzara chaiye, iyo yose yechitunha inosvika kumapfudze eArctic.

Mamiriro akakomba enyika yeArctic, uko kune mavharo emapurisa, usabvumira mhuka idzi kuti dziwande zvakanyanya. Muhupenyu hwake hwose, bheya inogona kubereka zvisingasviki makamuri gumi nemashanu. Panguva imwe chete, kufa pakati pevaduku kunosvika 30%. Kana iwe uchiri kufunga nezvekudengenyeka kwechikara ichi, zvino mhedziso inotanga kutaura nezvekutyisidzira kwehupo hwehwamanda dzepachiri semhuka.

Ibheyo yepora yakava hero yezvinyorwa zvakawanda, nhoroondo, mafirimu uye mapikicha. Vanhu vakaita saiyo furry Arctic bears, dzimwe nguva inonakidza. Uye nechepamusoro apo polar dzinobereka zvinowanikwa zvisingazivikanwi uye zvisingazivikanwi kune vazhinji vedu.