Waonahele ʻo Arctic o ʻAmelika Hema

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ʻO nā mea kanu ākea, nā aniani a me ka hau nā ʻano nui o ka wao nahele arctic. Hoʻonui ʻia nā ʻāina maʻamau i nā panalāʻau o ka ʻaoʻao kūkulu ʻākau o ʻAsia a me ʻAmelika ʻĀkau. Loaʻa nā wahi Snowy ma nā mokupuni o ka Arctic Basin, aia i loko o ke kāʻei ʻāina. ʻO ka panalāʻau o ka wao nahele ʻo Arctic e uhi ʻia me nā ʻāpana pōhaku a me nā ʻōpala.

Wehewehe

Aia ka wao nahele hau ma loko o ka latitude kiʻekiʻe o ka Arctic. Uhi ia i kahi ākea a hoʻonui ʻia ma kahi o nā mile kaukani o ka hau a me ka hau. Ua lilo ke aniau maikaʻi ʻole i kumu no ka flora ʻilihuna a, a ʻo kahi hopena, he kakaikahi hoʻi nā lunamakaʻāinana o ka holoholona. Hiki i kekahi mau holoholona ke hoʻololi i nā mahana haʻahaʻa, a hiki i -60 kekelē i ka hoʻoilo. I ke kauwela, ʻoi aku ka maikaʻi o ke kūlana, akā ʻaʻole piʻi nā kekelē ma luna o +3. ʻAʻole ʻoi aku ka nui o ka ua o ka Atmospheric i ka wao akua arctic ma mua o 400 mm. I ke kau mahana, palu wale ka hau, a hoʻopulu ʻia ka lepo me nā papa hau.

ʻAʻole hiki i ke aniau paʻakikī ke hiki ʻole i nā ʻano holoholona he nui ke noho i kēia mau wahi. ʻO ka uhi, nona ka hau a me ka hau, mau no nā mahina he ʻumikūmālua. ʻO ka pō polar ka mea i ʻoi aku ka paʻakikī i ka wao akua. Hiki ke hala ma kahi o ʻeono mau mahina. I kēia manawa, ke emi nei ka mahana i ka awelika o -40 degere, a me ka makani pāhū mau, nā ʻino ikaika. ʻOiai ka hoʻomālamalama ʻana i ke kauwela, ʻaʻole hiki i ka lepo ke hoʻoheheʻe ʻia no ka mea liʻiliʻi ka wela. Kuhi ʻia kēia wā o ka makahiki e ke ao, ka ua a me ka hau, ka mānoanoa a me nā heluhelu mahana i loko 0 kekelē.

Holoholona holoholona

ʻO ka wahi o nā wao nahele ʻo Arctic o ʻAmelika Hema kahi home o ka liʻiliʻi loa o nā holoholona. ʻO kēia ke kumu o nā lau nahele maikaʻi ʻole, kahi e hiki ai ke lilo i meaʻai na ka holoholona. ʻO nā sila, nā ʻīlio hae, nā lemu, nā walrus, nā sila, nā bea polar a me nā reindeer i kū i waena o nā ʻelele poʻokela o ka honua holoholona.

Sila

Lūlū Arctic

Palemona

Walrus

Sila

Bea Polar

Reindeer

Hoʻololi ʻia nā pueo Arctic, nā musk bipi, nā guillemots, nā ʻalopeke arctic, nā ʻōpua, nā eider a me nā puffins i nā ʻano pae paʻakikī. No kahi hui o cetaceans (narwhals, bowhead whales, polar dolphins / beluga whales), ʻae ʻia nā wao nahele arctic i nā kūlana nohona.

Bipi musk

Hopena make

Moku koholā

Ma waena o ka liʻiliʻi o nā holoholona i loaʻa i nā wao nahele o ʻAmelika ʻĀkau, ʻo nā manu ka mea maʻamau. ʻO kahi lunamaka makaʻāinana ka pua gull, e ulu ana a 35 knm. ʻO ke kaumaha o nā manu i hiki i 250 g, hoʻomanawanui maʻalahi lākou i ka hoʻoilo paʻakikī a noho ma luna o ka ʻili o ke kai i uhi ʻia me nā aniani heʻe.

Seagull Rose

Makemake ʻo Guillemots e noho ma nā pali kiʻekiʻe kiʻekiʻe a ʻaʻole lākou e hōʻoluʻolu ma waena o ka hau.

E luʻu maikaʻi nā ʻūlū ʻĀkau (eiders) i loko o ka wai hau hau a hohonu o 20 m. ʻO ka pueo polar ka manu nui loa a ʻoi loa hoʻi. He mea ʻaihue ia, ka mea i pepehi aloha ʻole ʻia e nā koʻokoʻo, nā holoholona pēpē a me nā manu ʻē aʻe.

Nā mea kanu wao nahele

ʻO nā lunamakaʻāinana nui o nā lau o nā wao akua glacial he mosses, lichens, nā mea kanu lau nahele (cereals, e kanu i ke kakalaioa). I kekahi manawa i nā ʻano ʻoi loa hiki iā ʻoe ke ʻike i ka foxtail alpine, pike arctic, buttercup, hau saxifrage, popa polar a me nā ʻano ʻano ʻalalā like ʻole, nā hua (cranberry, lingonberry, cloudberry).

ʻAlopeke Alpine

Pike ʻāpana

Puʻupaʻa

Pākuʻi hau

Pīpiʻo polar

Cranberry

Lingonberry

Kapuaʻi

I ka hōʻuluʻulu, ʻo ka flora o nā wao nahele ʻo Arctic o ʻAmelika Hema ʻaʻole ʻoi aku ma mua o 350 mau ʻano mea kanu. Hoʻopilikia nā kūlana koʻikoʻi i ke kaʻina hana lepo, ʻoiai i ke kauwela ʻaʻohe manawa o ka honua e kō. Eia kekahi, ʻike ʻia nā limu i kahi hui ʻokoʻa, a ma kahi o 150 mau ʻano.

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