Anwụnta ahịhịa, glaciers na snow bụ ihe ndị bụ isi e ji mara ọzara arctic. Ala a na-adịghị ahụkebe metụtara ókèala ndị dị ná mpụga ebe ugwu Asia na North America. A na-ahụkwa mpaghara mpaghara snowy na agwaetiti nke Arctic Basin, nke dị na mpaghara eriri ala polar. Mpaghara Arctic nke Arctic na-ejikarị iberibe okwute na mkpọmkpọ ebe ekpuchi ya.
Nkọwa
Ọzara snowy dị n'etiti oke ala nke Arctic. Ọ na-ekpuchi nnukwu ebe ma gbasaa ọtụtụ puku kilomita nke ice na snow. Ọnọdụ ihu igwe na-adịghị mma emeela ka osisi na-adịghị mma na, n'ihi ya, enwerekwa ndị nnọchi anya ụmụ anụmanụ ole na ole. Animalsmụ anụmanụ ole na ole nwere ike imeghari na obere okpomọkụ, nke ruru -60 ogo n'oge oyi. N'oge ọkọchị, ọnọdụ ka mma, mana ogo anaghị arị elu +3. Mmiri ozuzo nke ikuku na mbara ala akarighi 400 mm. N’oge a na-ekpo ọkụ, ice kpụkọrọ akpụkọ na-amịpụsị ala, snow na-adịkwa n’ime ala.
Ọnọdụ ihu igwe dị njọ na-eme ka ọ ghara ikwe omume ọtụtụ ụdị anụmanụ ibi n'ógbè ndị a. Ihe mkpuchi ahụ, nke gụnyere snow na ice, na-anọ ọnwa iri na abụọ niile. A na-ahụta polar night dị ka oge kachasị sie ike n'ọzara. O nwere ike ịbụ ihe dị ka ọnwa isii. N'oge a, enwere mbelata ọnọdụ okpomọkụ na nkezi nke -40 ogo, yana oke ifufe mgbe niile, oké ifufe. N'agbanyeghị ọkụ n'oge ọkọchị, ala enweghị ike ịgbaze n'ihi na enwere obere okpomọkụ. Ejiri oge a nke afọ ojii, mmiri ozuzo na snow, oke foogu na ọgụgụ okpomọkụ n'ime ogo 0.
Anụ ọhịa
Mpaghara Arctic nke North America bụ ebe obibi ụmụ anụmanụ kacha nta. Nke a bụ n'ihi ahịhịa na-adịghị mma, nke nwere ike ịbụ ihe oriri maka ụmụ anụmanụ. Akara, anụ ọhịa wolf wolf, lemmings, walruses, seals, polar bea and reindeer pụtara ìhè n'etiti ndị nnọchianya pụtara ìhè nke ụwa anụmanụ.
Akara
Arctic wolf
Lemming
Walrus
Akara
Polar bear
Reindeer
Ikwiikwii Arctic, musk ox, guillemots, foctic, arctic foctic, gull rose, eiders na puffins na-emegharịkwa n'ọnọdụ ọnọdụ ihu igwe siri ike. Maka otu ìgwè ndị cetaceans (narwhals, bowha whales, pola dolphins / beluga whales), ọzara oke mmiri bụ ebe obibi dị mma.
Musk ehi
Ọgwụgwụ nwụrụ
Bowha whale
N’etiti obere ụmụ anụmanụ ndị dị n’ọzara arctic nke North America, a na-ewere nnụnụ dị ka nke kachasị ọsọ. Onye nnọchi anya dị egwu bụ okooko osisi rose, nke na-etolite ruo cm 35. Ibu arọ nke nnụnụ ndị ahụ ruru 250 g, ha na-adị mfe ịtachi obi n'oge oyi ma na-ebi n'elu mmiri nke oke mmiri na-efegharị.
Rose seagull
Guillemot na-ahọrọ ibi n’elu ugwu dị elu ma enweghị ahụ erughị ala ịnọ n’etiti ice.
Anụ ọhịa Northern (eiders) na-amaba nke ọma na mmiri mmiri oyi na omimi nke mita 20. A na-ahụta ikwiikwii pola dị ka nnụnụ kachasị ibu na nke kachasị egwu. Ọ bụ onye na-eri ibe ya, nke ụmụ ahụhụ na ụmụ nnụnụ ndị ọzọ na-egbughị nke na-enweghị obi ebere.
Osisi ọzara Ice
Ndị isi na-anọchi anya osisi nke ọzara glacial bụ moss, lichens, ahịhịa herbaceous (ọka, ịgha ahịhịa). Mgbe ụfọdụ na ọnọdụ siri ike ị nwere ike ịchọta Alpine foxtail, arctic pike, buttercup, snow saxifrage, polar poppy na ọtụtụ ero, mkpụrụ osisi (cranberries, lingonberries, Cloudberries).
Alpine foxtail
Arctic Pike
Buttercup
Snow saxifrage
Polar poppy
Kranberị
Lingonberị
Cloudberry
Na mkpokọta, ahịhịa nke ọzara Arctic nke North America abụghị ihe karịrị ahịhịa akụ 350. Ọnọdụ ọjọọ ahụ na-egbochi usoro ịmalite ala, ebe ọ bụ na ọbụlagodi n'oge okpomọkụ ụwa enweghị oge ịgbaze. A na-ahụkwa algae dị iche iche, nke nwere ihe dị ka ụdị 150.
