Dabbobin Pole na Arewa

Mawallafi: Peter Berry
Ranar Halitta: 11 Yuli 2021
Sabuntawa: 14 Nuwamba 2024
Anonim
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Wadatacce

Pole na Arewa yana ɗaya daga cikin mafi ban mamaki da wuraren da ba za a iya yarda da su ba a duniyar tamu, tare da matsanancin yanayi da yanayin ƙasa. Hakazalika, dabbar Pole ta Arewa yana da ban mamaki da gaske saboda an daidaita shi daidai da yanayin yanayin muhallin muhallinsa.

A cikin wannan labarin na PeritoAnimal, za mu yi magana game da abin da ake kira dabbobin kankara, yadda waɗannan dabbobin ke dacewa da mazauninsu da halayen da ke sa hakan ya yiwu. Za mu kuma nuna muku wasu abubuwan ban sha'awa game da wasu Dabbobin Pole na Arewa, wanda babu shakka za ku ji daɗin saduwa.

Gidan Dabbobi na Pole na Arewa

Pole na Arewa yana cikin Tekun Arctic, yana yin babbar iyo kankara ba tare da wani m ƙasa taro. An nuna yanayin ƙasa tsakanin daidaiton 66º - 99º na latitude na arewa, wannan wurin shine kawai wuri a duniyar nan inda duk inda ake nufi kudu. Koyaya, mutane ba su da masaniya game da bayanai da yawa game da wannan wurin, saboda idan aka ba da ilimin halittar mu da yanayin Arctic, rayuwa a Pole ta Arewa kusan ba zai yiwu ba, wani abu ne kaɗan masu ƙarfin hali za su iya cim ma.


Ganin inda yake a doron duniya, a cikin yankin arctic akwai Watanni 6 na hasken rana m bi wasu Watanni 6 na cikakken dare. A lokacin hunturu da kaka, yanayin zafin Pole na Arewa yana canzawa tsakanin -43ºC zuwa -26ºC, kasancewar shine lokaci mafi wahala a shekara kuma, kodayake yana da wuya a yarda, lokaci ne "mai zafi" idan aka kwatanta da Pole ta Kudu, inda zazzabi na iya isa -65ºC a cikin hunturu.

A cikin lokutan haske, wato bazara da bazara, yanayin zafi yana kusan 0ºC. Amma daidai ne a wannan lokacin cewa yana yiwuwa a ga adadi mai yawa rayayyun halittu masu gwagwarmayar rayuwa. Koyaya, shine kuma lokacin da ake lura da asarar kankara mafi girma.

O matsalar narkar da kankara a Arewa Pole yana daya daga cikin batutuwan da ke tayar da hankali a duniya a yau. Kodayake kaurin kankara na Arctic kusan mita 2-3 ne, wannan ba koyaushe bane. Bincike ya nuna cewa matsakaicin kauri ya ragu sosai a cikin 'yan shekarun nan kuma yana iya yiwuwa lokacin bazara a Pole na Arewa ba zai ƙara samun kankara ba a cikin shekarun da suka gabata.


O dumamar yanayi yana hanzartawa, yana barazana ga wanzuwar dabbobin da ke rayuwa a kan sanduna biyu, har ma da rayuwar mu. Rashin sandunan zai haifar da babbar matsala ga lafiyar duniyar, yanayin ta gaba ɗaya da yanayin rayuwa.

Na gaba, za mu yi tsokaci kaɗan kan halayen dabbobi daga Pole na Arewa.

Halayen Dabbobin Pole na Arewa

Idan aka kwatanta da Kudancin Kudanci, inda yanayin yanayi ya fi tsanani, North Pole yana da mafi girman rayayyun halittu daga cikin sandunan biyu. Koyaya, rayuwa babu abin da muka saba gani a cikin dazuzzuka da dazuzzuka, saboda akwai ƙarancin bambanci. Suna wanzu kadan ne jinsuna na dabbobi da tsire -tsire kaɗan.


Dabbobin da ba a san su ba na Pole na Arewa sun yi fice, gaba ɗaya, da tsakanin wasu halaye da yawa, don masu zuwa:

  • Fat Layer ƙarƙashin fata: Dabbobin Pole na Arewa suna dogaro da wannan murfin don rufe sanyi da sanya jiki dumi;
  • m gashi: wannan fasalin yana ba su damar kare kansu da dacewa da tsananin sanyi;
  • ta farar fata.
  • Ƙananan nau'in tsuntsaye: Babu kusan nau'in tsuntsaye a tsakanin dabbobin arctic, kuma waɗanda ke wanzuwa yawanci suna ƙaura zuwa kudu a lokacin hunturu don neman wurare masu ɗumi.

Na gaba, zaku fi sanin dabbobi 17 daga Pole na Arewa. Wasu daga cikinsu kuma suna cikin zaɓin mu tare da mafi kyawun hotunan dabbobi masu ban dariya.

1. Belar Polar

Daga cikin dabbobin Arewa Pole da suka fi fice, shahararre Polar Bear (Ursus Maritimus). Waɗannan '' beyar teddy '' masu tamani, waɗanda suke kama da dabbobin da aka cusa, a zahiri wasu daga cikin dabbobi masu ƙarfi ne a cikin gungumen. Wannan nau'in na musamman ana iya gani kawai a yankuna na arctic, aƙalla a cikin daji, kuma dabbobi ne kadaici, mai hankali da kariya sosai tare da kwikwiyoyinsu, waɗanda aka haifa a lokacin lokacin baccin iyayensu.

Waɗannan dabbobi masu cin nama na Pole na Arewa suna ciyar da dabbobi masu shayarwa iri -iri, kamar hatimin jariri ko doki. Abin takaici, mafi kyawun dabbar dabbar North Pole ita ma ɗaya ce daga cikin nau'in hadarin bacewa. Dole ne mu sani cewa dabbar dabbar dabbar dabbar tana cikin haɗarin ɓacewa saboda canjin yanayi, lalacewar mazaunin ta (narkewa) da farauta.

2. Hatunan Harp

Haka kuma hatimin hatimi yana da yawa a wadannan wurare, haka nan a sauran kasashen duniya. Dabbobi ne masu jin daɗin rayuwa waɗanda ke zaune cikin ƙungiyoyi kuma suna cin kifaye da kifin kifi. Bugu da kari, wadannan dabbobi masu shayarwa na Arewa Pole, an rarrabe su a cikin gungun pinnipeds, zai iya nutse har zuwa zurfin mita 60 kuma kasance cikin nutsewa har na mintina 15 ba tare da numfashi ba.

A hatimin garaya (Pagophilus groenlandicus) suna da yawa a cikin Arctic kuma suna tsayawa don samun kyakkyawan farar fata da launin rawaya yayin haihuwa, wanda ya zama launin toka na azurfa Tare da shekaru. A cikin balaga suna iya auna nauyi daga 400 zuwa 800 kg kuma isa, duk da nauyin sa, yana gudu sama da 50 km/h.

Duk da farautar wasu dabbobin Arewacin Pole, wannan nau'in yana da tsawon rai musamman wasu samfuran sun riga sun isa Shekara 50.

3. Humpback Whale

Tsakanin Dabbobin ruwa na Arewa Pole, za mu iya haskaka kifayen ko rorquais, manyan dabbobin ruwa na Arewacin Pole. Abin baƙin cikin shine, manyan ayyukan manyan kifayen sun kuma sha wahala sosai ta ayyukan ɗan adam, don haka dabbobi ke cikin haɗari. A halin yanzu, suna cikin yanayin rauni ko yanayin barazana a cewar Red List na Kungiyar Hadin Kan Kasa da Kasa ta Duniya (IUCN).

DA humpback whale (Megaptera novaeangliae) yana daya daga cikin manyan dabbobi masu shayarwa. Tsawonsa kusan mita 14 ne kuma yana auna kimanin tan 36, duk da cewa nau'in ruwan arctic na al'ada na iya auna har zuwa tan 50.

Wannan nau'in na musamman ana iya gane shi halayyar "hump" dake kan dorsal fin. Bugu da kari, yana da zumunci sosai, yana da waƙar kaifi gaba ɗaya fiye da sauran kifayen kuma yana ba da kyauta rugujewa da yin motsi na ban mamaki a cikin ruwa kuma ya cancanci kulawa.

4. Walrus

Wannan sauran dabbobin da ke cin nama da ruwa mai rai suna rayuwa a cikin tekun Arctic. Da walrus (Odobenus rosmarus) na gidan dangi ne kuma yana da kamanni na musamman, tare da manyan fangs Akwai a cikin jinsi biyu, wanda zai iya auna har zuwa mita 1 a tsayi.

Kamar sauran dabbobi daga Pole ta Arewa, tana da fata mai kauri sosai kuma tana da girma, tana yin nauyi tsakanin 800 kg da 1,700 kg tsakanin maza da mata, bi da bi, suna auna tsakanin 400 gk da 1,250 kg.

5. Kudancin Arctic

Wannan canid yayi fice don kyawun sa na musamman, godiya ga farin rigar sa da halayen sa na zamantakewa. DA fox arctic (alopex lagopus) yana da hanci da kunnuwa masu fadi. Ta yaya dabbar dare, taku wari da ji sun bunƙasa sosai. Waɗannan hankulan suna ba su damar gano abin da suke farauta a ƙarƙashin kankara kuma su farautar da su.

Don haka, abincin su ya dogara ne akan lemmings, hatimin (wanda bears na iya farauta, kodayake ba su cinye su gaba ɗaya) da kifi. Don haka, duk da kasancewa ƙaramin dabbar Pole ta Arewa, tsakanin kilo 3 zuwa 9.5, yana da dabbar daji a cikin wannan yanki mara kyau sosai.

6. Narwhal

narwhal (daMonodon monoceros) wani nau'in toothed whale kuma ana yi mata barazana da halaka musamman saboda sauyin yanayi.

Daga nan, za mu gabatar da sunaye, sunayen kimiyya da hotunan mai zuwa Dabbobin Pole na Arewa daga jerinmu.

7. Zakin teku

Sunan kimiyya: Otariinae

8. Hatimin Giwa

Sunan kimiyya: Mirounga

9. Beluga ko White Whale

Sunan kimiyya: Delphinapterus leucas

10. Mai ba da labari

Sunan kimiyya: rangifer tarandus

11. Kyarkeci na Arctic

Sunan kimiyya: Canis lupus arctos

12. Arctic tern

Sunan kimiyya: sterna na sama

13. Kudancin Arctic

Sunan kimiyya: Lepus arcticus

14. Hairy Jellyfish

Sunan kimiyya: Cyanea capillata

15. Mujiya Dusar ƙanƙara

Sunan kimiyya: scandiacus na ungulu

16. Tumaki Musk

Sunan kimiyya: Moschatus tumaki

17. Yaren mutanen Norway lemming

Sunan kimiyya: ruwan zafi

Akwai penguins a Pole na Arewa?

Ofaya daga cikin kuskuren da aka fi sani game da dabbobin da ke zaune a kan gungumen ya kamata a fayyace: babu penguins a Pole na Arewa. Kodayake za mu iya lura da wasu nau'in tsuntsaye daga Pole na Arewa, kamar arctic tern, penguins sun saba da yankin bakin teku na Antarctica, kamar yadda beyar dabbobin ruwa ke rayuwa a cikin yankin arctic kawai.

Kuma kamar yadda muka yi magana a kai, canjin yanayi yana shafar dabbobi a Arewacin Pole. Don haka, tabbatar da kallon bidiyo mai zuwa akan wannan batun:

Idan kuna son karanta ƙarin labarai makamantansu Dabbobin Pole na Arewa,, muna ba da shawarar cewa ku shiga ɓangaren Curiosities na duniyar dabbobi.