Arctic dabbobi. Arewa iyakacin duniya: fauna, musamman da rayuwa a cikin matsananci yanayi

Arctic zone - wannan shi ne mai babbar arewacin expanses mikewa daga cikin Aleutian Islands zuwa Iceland. Wannan m mulkin madawwami sanyi da kankara, inda cikin sokin kuka iska, m hazo sawu da akwai m snowfalls. M hoto na alkawuran da mu m iyakacin duniya dare da guda m iyakacin duniya rana. Abin da dabbobi rayuwa a cikin Arewa iyakacin duniya?

Zai ze cewa a cikin irin wannan matsananci yanayi ga tsira ba zai yiwu ba. Duk da haka, a cikin arewa akwai manyan Arctic tsuntsaye da dabbobi. Su ba su ji tsoron da sanyi da kuma permafrost da kai cikakken rai. Musamman ban sha'awa ne da dabbobi na Arewa iyakacin duniya domin yara. Wannan shi ne saboda da farko don su sabon abu habitats da yanayi na har abada kankara da kuma sanyi.

A fauna da Arewa iyakacin duniya

A mafi tsoho mazaunan arewacin latitudes ne like. Wadannan dabbobi hada da teku hare. Wannan shi ne quite babban hatimi, wanda ya kai wani tsawo na mita biyu, da kuma nauyi - hudu kilo. By wannan tsari da dangantaka da garaya hatimi, wanda yake shi ne bit karami, da kuma ringed hatimi, iya Burrow a cikin dusar ƙanƙara.

Walruses - ma mazauna arewacin latitudes. Su zumunta na like. The nauyi na dabba kai daya ton. Nature ba babbar dabbar walrus giwa, wanda taimake su su mõtsar da kasa don samun ci Shellfish. Bugu da kari, suna bukatar su don kare kansu a yanayin saukan hadari. Tun walruses da yara kansu, sun kai farmaki sauran dabbobi. Alal misali, like da kuma like.

Iyakacin duniya bear - shi ne mafi girma ƙasar dabba na Arewa iyakacin duniya. Its jiki ne biyu da rabi mita a tsawon, da kuma nauyi - game da 500 kg. Ya rayayye kai hare hare like, walruses da like, da dabbobin ruwa ba ko da girman kai. Amma da fox ko da yaushe zaune kusa da Bear kamar yadda ya ci ragowar, wanda ya karbi wannan daga m dabba. Kullum, Bears - wannan shi ne mafi tsanani, kuma m dabbobi.

Arewa iyakacin duniya shi ne mai arziki a cikin dabba da tsuntsu, duk da irin wannan matsananci rai yanayi. Suna da kyau saba da rayuwa a cikin wadannan sassa.

Birds na Arewa iyakacin duniya

Birds - mafi yawa mazaunan sararin arewa. Gulls, watakila, da mafi gajeren tsuntsu na yankin. Tã ba fiye da kwata na kilogram, amma ji ne dadi isa kuma da kyau. Kaira - wani mazaunin na Arewa Abuja. Its launin gashi yayi kama da tufafin Katolika firist, da kuma halaye masu kama da hali na m bazaar peddler. Việt gida shi a cikin mafi m cliffs, kuma winters, Oddly isa, a kan kankara floes. Kuma yayin da ta bai ji wani sanyi da kuma rashin jin daɗi. Ga mata, shi ne quite saba yanayi.

Yana da daraja ambaton, kuma game da Gaga talakawa. Yana da irin wannan a arewacin duck. Ta kurme a cikin ruwa na garin kankara a isasshe mai zurfin. Amma mafi girma da kuma mafi karaya tsuntsu ne ake yin dusar ƙanƙara mujiya. Yana da quite wani m predator cewa kai hari tsuntsaye kuma zai iya ko ci wani jariri dabba kamar dila.

penguins

Yana da kullum da ban sha'awa sosai dabbobi na Arewa iyakacin duniya domin yara. Musamman mai yawa tambayoyi tashi tare da girmamawa ga iyakacin duniya take ɗauke da penguins. To, da take dauke da shi, duk abin da ya fi sauki. Amma game da penguins da yawa tunani iri iri. Ya kamata a lura da cewa daga kudancin mazauna ne sosai dabbobi daban daban na Arewa iyakacin duniya. Ga yara, shi ne wani lokacin ba gaba ɗaya bayyana. A halin yanzu penguins samu kawai a cikin Southern Hemisphere.

Ko da yake 'yan mutane san cewa Arewa iyakacin duniya ya rayu kamar mutum penguins. Suka kira Great Auk. A baya can, waɗannan tsuntsaye ne babbar mazauna zaune arewacin tsibirin. Mutane en sun mayar suka kashe su da nama da kuma qwai, peretaplivali kitse. An halaka su, a ko'ina. Recent mutane rayu a kan tsibiran kusa Iceland. Amma da suka bace a 1844. A nan, da rashin alheri, mutane sun zama dalilin mutuwar tsuntsaye. Saboda haka penguins a Arewa iyakacin duniya da aka bã zaunannu ba.

A cikin thirties na karshe karni akwai yunkurin resettle da sarki penguins a arewacin latitudes. Amma gwajin shine ba gaba ɗaya nasara, da kuma bayan wani lokaci (shekaru 20), sun kasance tafi. Hakika, za ka iya populate da penguins a arewa. Kawai tambaya taso: ko zai kasance isa abinci a can? Suka ciyar a kan kifi. A trawler kama haka da yawa kifi cewa shi ko ya shafa tsuntsu alƙarya. Saboda haka abin da za mu ce game da penguins!

cetacea

A Arctic aka zaune da cetaceans. Daga cikin su shi ne musamman ban sha'awa narwhal. Ya tsiwirwirinsu Popularity godiya ta zuwa ga manyan Kakakin cewa ya kai mita uku a tsawon kuma shi ne, a gaskiya ma bai zama ba fãce da hakori. Ya ba ya haifar da wani rashin jin daɗi a cikin dabbobi masu shayarwa. Kuma wannan shi ya sa ya bukaci da shi, shi ne ba a sani.

A zumunta na narwhal ne bowhead Whale. Duk da haka, shi ne yafi, kuma maimakon haƙori a halin yanzu whalebone. Duk da babban size, wannan dabba ne daidai wani hadari, da kuma na zaune a arewacin ruwa na shekaru dubbai. Wannan kamfanin za a iya dangana ga iyakacin duniya da dabbar dolfin. Beluga - isasshen manyan dabba yin la'akari har zuwa biyu ton da kuma tsawon shida mita. Yana ciyarwa a kan kifi.

Idan muka magana game da rayuwa musamman a arewacin latitudes, shi wajibi ne don tunawa da yara, wanda su ne ma a cikin ruwa. Idan wani hadari ne a kan ƙasar bear, a cikin ruwa buga wani hadarin kisa. Ta kuma shi ne jagoran daga cikin mafi m marine da yara. Ta akai-akai bayyana a cikin Arctic ruwa. Its wadanda su ne ba kawai Whales, amma like, like da walruses.

Duk da yake karatu a makaranta na da Arewa iyakacin duniya dabbobi don yara ne na musamman sha'awa. Wannan shi ne saboda da farko don su sabon abu habitats da yanayi na har abada kankara da kuma sanyi.

maimakon wani epilogue

Kamar yadda muka gani, da fauna na Arctic ne quite bambancin, duk da wuya rai yanayi. The sosai bayyanar dabbobi an riga magana game da kaidinsu tare da sanyi. A White Bear kuma Arctic fox yana da wani sosai dumi da kuma m Jawo, murres - m launin gashi dabbar walrus kuma like - wani lokacin farin ciki subcutaneous mai. Duk wadannan dabaru taimaka dabbobi ci gaba da dumi da kuma kare su daga hypothermia.