Yankin arewacin na duniyar tamu shine hamadar Arctic, wanda yake a cikin latitude na Arctic. Yankin da ke nan kusan kusan an rufe shi da ƙanƙara da dusar ƙanƙara, wani lokacin ana samun gutsutsuren duwatsu. A nan mafi yawan lokuta hunturu na sarauta tare da sanyi na -50 digiri Celsius da ƙasa. Babu canjin yanayi, kodayake a lokacin polar akwai ɗan gajeren lokacin rani, kuma zafin jiki a wannan lokacin ya kai darajar sifili, ba tare da tashi sama da wannan ƙimar ba. A lokacin rani yana iya yin ruwan sama da dusar ƙanƙara, akwai fogs masu kauri. Hakanan akwai tsire-tsire marasa talauci.
Saboda irin wannan yanayin, dabbobin Arctic latitude suna da matakan dacewa da wannan yanayin, don haka suna iya rayuwa cikin mummunan yanayi.
Waɗanne tsuntsaye ne suke rayuwa a hamada?
Tsuntsaye sune wakilai mafi yawa na dabbobin da ke rayuwa a yankin hamada. Akwai adadi mai yawa na fure da kwaruruka, waɗanda ke jin daɗi a cikin Arctic. Ana kuma samun agwagin arewa, wanda ya fi dacewa a yau. Mafi girman tsuntsu shine mujiya ta arewa, wacce ke farautar ba kawai sauran tsuntsaye ba, amma kananan dabbobi da kananan dabbobi.
Fure teku
Na gama gari
Farin Owl
Waɗanne dabbobi za a iya samu a Arctic?
Daga cikin dabbobin da ke cikin yankin hamada na Arctic, akwai narwhal, wanda yake da ƙaho mai tsayi, da danginsa, whale mai baka. Hakanan, akwai yawan dolphins na polar - belugas, manyan dabbobi waɗanda ke cin kifi. Ko da a cikin hamada, ana samun kifayen kifayen da ke farautar dabbobin arewa da yawa.
Kifin Whale
Akwai mutane da yawa na hatimai a cikin hamadar Arctic, gami da hatiman garaya, hatimin ringi na wayoyi, manyan zomayen teku - hatimai, tsayin mitoci 2.5. Koda a cikin girman Arctic, zaka iya samun walruses - mahautan da ke farautar ƙananan dabbobi.
Hatimin ringi
Daga cikin dabbobin ƙasar da ke cikin yankin hamada, gyambo na iya rayuwa. A wannan yankin, sun kware wajan farauta a kasa da kuma cikin ruwa, yayin da suke nitsewa da iyo sosai, wanda hakan ke basu damar ciyar da dabbobin ruwa.
Farin beyar
Wani mai tsananin cutarwa shine kerkeci na arctic, wanda ba ya faruwa kai tsaye a cikin wannan yanki, amma yana zaune a cikin fakiti.
Kerkeci na Arctic
Wata ƙaramar dabba kamar Arx fox ke rayuwa a nan, wanda dole ne ya motsa da yawa. Ana iya samun lemu tsakanin rodents. Kuma, tabbas, akwai yawan jama'ar da ba su da iko a nan.
Arctic fox
Reindeer
Daidaita dabbobi da yanayin arctic
Dukkanin nau'ikan dabbobi da tsuntsayen da ke sama sun dace da rayuwa a yanayin Arctic. Sun haɓaka ƙwarewar daidaitawa ta musamman. Babbar matsalar anan ita ce sanya dumi, don haka don rayuwa, dole dabbobi su tsara tsarin yanayin zafinsu. Bears da Foxan Arctic suna da gashi mai kauri don wannan. Wannan yana kare dabbobi daga tsananin sanyi. Polar tsuntsayen suna da zube mara nauyi wanda yayi daidai a jiki. A cikin hatimai da wasu dabbobin ruwa, wani fitila mai ƙyalli a cikin jiki, wanda ke kariya daga sanyi. Hanyoyin kariya a cikin dabbobi suna aiki musamman idan hunturu ya gabato, lokacin da sanyi ya isa mafi karancin yanayi. Don kare kansu daga masu farauta, wasu wakilan fauna suna canza launi na gashinsu. Wannan yana bawa wasu nau'in dabbobin duniya damar buya daga makiya, yayin da wasu kuma zasu iya samun nasarar farauta domin ciyar da zuriyarsu.
Mafi ban mamaki mazaunan Arctic
A cewar mutane da yawa, dabba mafi ban mamaki a cikin Arctic ita ce narwhal. Wannan babbar dabba ce mai nauyin tan 1.5. Tsawonsa ya kai mita 5. Wannan dabbar tana da dogon kaho a bakinsa, amma a hakikanin hakori ne wanda ba ya taka wata rawa a rayuwa.
A cikin tafkunan Arctic akwai dolphin na iyakacin duniya - beluga. Kifi ne kawai yake ci. Anan zaku kuma iya haɗuwa da kifin kifi whale, wanda ke da haɗari mai haɗari wanda baya kula ko dai kifi ko rayuwar ruwan teku mafi girma. Alamu suna rayuwa a cikin yankin hamada. Gabobinsu na das hi. Idan a doron ƙasa sun zama marasa kyau, to a cikin ruwa flippers suna taimaka wa dabbobi suyi motsi cikin sauri, suna ɓoye daga abokan gaba. 'Yan uwan hatimin walruses ne. Suna kuma rayuwa a kan ƙasa da ruwa.
Yanayin Arctic yana da ban mamaki, amma saboda mummunan yanayin yanayi, ba duk mutane ke son shiga wannan duniyar ba.
