Halitta Duniya zone

Domin da farko lokacin da na halitta yankunan na Duniya alama Dokuchaev a 1898. Masana kimiyya yi imani da cewa rai yanayi (ciki har da sauyin yanayi, da ruwa, taimako), kazalika da dabba da shuka rayuwa a wannan yanki na duniya ne a hankali nasaba. Wannan shi ne dalilin da ya sa suke bukatar da za a yi karatu a matsayin dukan, da biyan hankali ga juna tasiri. Dokuchaev farko tsara dokar kasa karba-karba.

Don kwanan wata, an yi imani da cewa halitta yanki - wannan hadaddun tare da kansa wuri mai faɗi da cewa an kafa a ƙarƙashin rinjayar sauyin yanayi, kazalika da halaye na danshi da zafi rarraba. Bugu da kari, irin wannan yanki ne halin da nasu ciyayi, musamman namun daji, da kuma ƙasa type.

Sha'awa, da duniya ta sauyin yanayi zones da na halitta yankunan suna da nasaba,, tun da shi ne ya rinjayi na waje yanayi samar da daidai da yanayi na zama na rayayyun kwayoyin halitta.

Equatorial gandun daji ne halin da gumi da kuma zafi sauyin yanayi. Manyan Biranan located, yafi a cikin Amazon (South America), kazalika da a Afirka, a kan ko dai gefen da Congo River. Wannan halitta yanki ne ma ba a cikin ƙasa na Australia da kuma wasu tsibiran na Oceania.

Equatorial gandun daji ne halin da bambancin ciyayi da kuma m namun daji. Babban ruwan sama da kuma m dumi yanayin zafi haifar da manufa yanayi da samuwar Jungle. A itatuwa ne gida mai yawa ban sha'awa dabbobi, ciki har da birai, sloths, tashi Foxes. Bambancin da kuma duniyar tsuntsaye - za ka iya ganin dama jinsunan aku, tsuntsaye na aljanna da Humming birds. Af, a cikin ƙasa na Equatorial gandun daji da aka samu a duniya, most Maciji - anaconda.

Peremenno- rainforests - Duniya ta halitta yankunan, wanda aka halin da yanayi weather canje-canje. Akwai emit dumi, m da sanyi lokaci. A mafi yawan lokuta, wadannan gandun daji da ake located a cikin wurare masu zafi sauyin yanayi zone.

Temperate gandun daji - bautarka babban ɓangare na Arewacin Amirka da kuma Eurasia. Akwai fili alama a shekara-dogon yanayi weather, wanda shi ne na hali a temperate sauyin yanayi. Scaffolding na iya zama duka broadleaf da kuma gauraye. A mafi hankula shuke-shuke da wannan yanki ne da wadannan: Maple, itacen oak, Birch da Linden. Amma fauna, wani abu a cikin wadanda yankuna sanaki beyar, Wolves, muz, Lynx, Sable da marten wani lokacin.

Savannah - Duniya ta halitta yankunan, wanda aka located a wurare masu zafi, subtropical da kuma subequatorial yanayin zone. Sun riga sun mamaye sararin a cikin yankunan Afirka, Australia, Tsakiya da kuma Kudancin Amirka. Ciyayi da aka wakilta, yafi artisanal ko herbaceous siffofin - daga itãce, za ka iya ganin kawai BAOBAB, itacen kuma eucalyptus. Hankula dabbobi suna dauke zebras, rakumin dawa, giwaye da kuma Jiminai.

Halin Steppe bushe canjin yanayin da kadan hazo. Wannan shi ne dalilin da ya sa live nan kawai herbaceous jinsunan Flora. A cikin American prairies an samu llamas, coyotes, jaguars, armadillos da bison. Kamar yadda ya zuwa yanzu kamar yadda matakan Eurasia, halin da ake ciki ne a bit daban-daban - da fauna da aka wakilta, yafi hakori.

Hamada suna located in daban-daban climatic zones. The kawai kowa alama an dauki ramammu shekara-shekara hazo da kuma babban kewayon yanayin zafi (msl, a lokacin da rana da zazzabi iya zama 40 digiri, da kuma da dare kawai 15). Haka kuma, da Flora da fauna ba kamar yadda arziki. A kan ƙasa na hamada zaune kawai da wadanda kwayoyin da cewa sun saba da yin tsayayya da wani dogon lokaci ba tare da ruwa da kuma abinci.

Iyakacin duniya Hamada - shi ne wani ban sha'awa yanki, wanda aka kuma halin da kadan ruwan sama. Irin wuraren dake kusa da Arctic Circle. Yana da ban sha'awa cewa kusan rabin shekara a can yake mulki a yau, kuma na gaba watanni shida - impenetrable dare. A mafi hankula wakilan fauna - na iyakacin duniya bear, like, penguins.

Kamar yadda za a iya gani, a duniya, ta halitta yankunan su ne sosai daban-daban daga juna. Kowace daga cikinsu yana da kansa musamman halaye.