Australia - sarrafa giza nahiyar a Duniya

Shida nahiyoyi na Duniya ne cikakken ba kama da juna. Alal misali, a Eurasia - mai fadi da dama yanayin damina a duniya. Climate halaye iya bambanta mafi zafi nahiyar - Afrika, da coldest - Antarctica. Wettest nahiyar ne Kudancin Amirka. Amma Australia - shi ne sarrafa giza nahiyar a duniya.

Sanadin low ruwan sama

Australia da aka raba kusan a rabin kudancin Tropic. Wannan yana nufin cewa na wurare masu zafi iska ne Marinjãyi a nan. A mafi sassan nahiyar bushe da zafi na wurare masu zafi talakawa suna gudanar a ko'ina cikin shekara, don haka da ruwan sama da yake da kadan. Sama yammacin sahara kafa a yanayi matsa lamba ya karu a duka hemispheres. Su iska da dama da kuma zama drier, sakamakon lafiya weather m da kusan cikakkiyar rashin hazo.

A mafi sassa na Australia hazo da dama a kasa da 250 mm a lokacin shekara. Wannan neskolko sau kasa da a Moscow. Kuma idan akai la'akari da cewa da Australian sauyin yanayi ne da yawa warmer, za ka iya fahimtar cewa, da bushe iska ta fi girma fiye da namu.

Akwai wani dalili ne da cewa shi ne sarrafa giza nahiyar a duniya. Wannan shi ne dutsen a kan gabashin nahiyar. A Australia, akwai cinikin iskõki - iskõki daga yammacin sahara zuwa ekweita. Suna directed daga Pacific zuwa ɓangaren duniya. Ganawa a kan dutsen hanya, iska talakawa tashi sama da tudu, Print Email ruwan sama a kan gabas Coast. Kuma a cikin ciki yankunan da iska ya zo riga ƙẽƙasassu, kuma ya hana hazo.

A sakamakon wani bushe sauyin yanayi

A sakamakon aridity a cikin m ɓangare na Australia suna located Hamada da kuma Semi-Hamada. Cikin shahararrun - Great Victoria Desert, Great Sandy, Gibson, Simpson. Kuma a yankin na Lake Eyre, lakabi da "matattu zuciya na Australia", hazo ba ya wuce 125 mm. A zumunta zafi na iska ne ba fiye 20-30%.

Rivers a Australia kadan. Su yafi fãra daga Great rarraba Range. The most - babban tributary da Murray - Darling. Amma da kogin akwai, da kuma a arewacin nahiyar mamaye sub-Equatorial sauyin yanayi.

Flora da fauna daga sarrafa giza nahiyar a Duniya

A irin wannan yanayi, tsira kawai saba jinsunan shuke-shuke da dabbobi da za su iya jure bushe sauyin yanayi. A m eucalyptus ganye juya baki-kan da rana ta haskoki domin rage evaporation. A dogon Tushen iya cire ruwa daga zurfin dubun mita. Akwai ma Dwarf jinsunan wannan bishiya da tsayi itatuwa. Thickets wannan shuka ne mai hadarin gaske na wuta, kamar yadda da muhimmanci mai dauke a cikin ganye, da sauki ƙone spontaneously a cikin zafin rana da kuma rashin ruwa.

A hamadar ma kowa hatsi (spinifex) da kuma bushes - itacen ƙirya, daban-daban Salsola, quinoa. Kawo a cikin XX karni, prickly pear murtsunguwa yada hanzari da kuma zama m sako.

Daga cikin mazaunan hamada mafi ban sha'awa Moloch - kananan lizard, duk an rufe tare da marurai da zangarniya. Shi ne iya sha danshi a ko'ina cikin fata surface. Daga cikin sauran dabbobi za a iya ambata a iri-iri na tsuntsaye ciyar a kan tsaba na hatsi, da abubuwa masu rarrafe, da kwari.

Wanne nahiyar ne sarrafa giza ƙasar?

M tambaya, ba da shi? Amma abu ne da yadda za a ayyana sarrafa giza nahiyar a duniya.

Idan muka dauki sarrafa giza wuri a duniya, South America ja gaba. Nan cikin bakin teku Atacama Desert hazo ba ya faru ga shekaru. Kusan kadai tushen samun kudin shiga ne mai danshi hazo hade da sanyi Peru halin yanzu.

A kan talakawan ruwan sama a sarrafa giza nahiyoyi da kuma hada Antarctica. A da mafi hazo zuwa 100 mm a kowace shekara, kuma suka fada a cikin nau'i na "lu'u-lu'u ƙura" - m kankara needles. Amma saboda tsananin sanyi canjin yanayin tara snow ta samar da kankara cover na nahiyar.

Amma daga cikin wuraren da sanaki mutum ne sarrafa giza nahiyar a duniya - shi ne Australia. Ku zo zuwa ga ceto a nan manyan reserves na ruwan karkashin kasa amfani das hi don bayi, da kuma ban ruwa na makiyaya.