Umkhenkce weArctic uchaphazela ukutya kweebhere ezimhlophe

Ibhere eliyiphola

Iibhere zePolar, ezona ndawo zixhaphakileyo eMntla Pole, ziye zaba luphawu lotshintsho lwemozulu. Kule nxalenye yehlabathi, iqondo lobushushu lihlala lingaphantsi kweqondo, ngokukodwa, ukusuka -43 kuye -26 degrees ngokukaCelsius. Ke, ezi zilwanyana zibalaseleyo zikwazile ukuzingela amatywina, okukukutya kwabo okuphambili, ngaphandle kwengxaki enkulu, kodwa Ngobushushu behlabathi imeko yakho iyatshintsha kakhulu.

Ngokophando olupapashwe kwiJenali yezilwanyana zezilwanyana », banyanzelwa ukuba batye amaqanda amadada, amarhanisi kunye nolwandle ukusinda.

UCharmain Hamilton, isazinzulu kwiNorway Polar Institute, ucacise ukuba ngaphambi kokuba ubushushu behlabathi buqale ukuzibonakalisa eNorth Pole, umkhenkce womhlaba uhlala kwiindawo eziselunxwemeni kufutshane nomkhenkce ongaphambili kude kube sekupheleni kwehlobo. Ke, amatywina ayephumla kufutshane nemiphefumlo yawo kwaye iibhere zazizingela.

Nangona kunjalo, eSvalbard, isiqithi saseNorway esikwi-Arctic Ocean, iqondo lobushushu lenyuke ngokuphindwe kathathu ngokukhawuleza kunakwamanye amazwe omhlaba, kungoko umkhenkce uba buthathaka ngakumbi kwaye ube yingozi, ngakumbi kwiibhere ezimhlophe.

Ibhere yabantu abadala

»Njengokuba ukubuyela umva komkhenkce wolwandle kuye kwenza kwanzima kubo ukuzingela amatywina aneziringi, iibhere ezimhlophe ngoku zichitha ixesha elincinci kwindawo ezinamaza omkhenkce, zihamba imigama emide ngemini kwaye chitha ixesha elininzi ujinga kwenye indawo yokutya, njengokufuya iikholoni zamadada kunye namarhanisiUtshilo uHamilton.

I-90% yokutya kwezi zilwanyana zixhomekeke kwezinye izilwanyana. Ngenxa yokunyibilika, banobunzima ngakumbi nangakumbi bokufumana ukutya kwabo okusisiseko. Ukuba iyaqhubeka ngoluhlobo, ikhonkco lokutya linokutshintsha kakhulu kangangokuba linokuzicima, kuba inani leentaka lincinci kakhulu xa lithelekiswa nenani leebhere ezimhlophe.

Ungasifunda isifundo apha.


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