North America chipululu, ndi kapena Kodi ndi tchire?

Tchire la Great m'Chigwa cha North America ndi gawo la Africa kuti chitukuko cha ku Ulaya anatenga makilomita pafupifupi 4 zikwi yaitali ndi makilomita 800 m'lifupi. malo Hinterland ndi kutetezedwa kumadzulo kwa miyala Mountains anachititsa mpweya mbali nyengo ndi zomera zochepa. Nanga pa tchire? Kumene, steppe izi. Dzinali iwo ali ku odzafuna malo French. Tanthauzo la mawu akuti "tchire" - meadows. Mwachirengedwe iwo zili kum'mawa kwa Great zigwa, ndi Pakati Chakumadzulo US ndi Canada. Mu kumpoto kwa tchire m'malire nkhalango paini, kumadzulo - ndi mapiri kum'mawa - ndi m'nkhalango steppe, ndipo kum'mwera ikuyenda mu savannah ndi theka chipululu. Kuchuluka kwa mpweya m'chigawo North America amachepetsa mu malangizo kuchokera kummawa mpaka kumadzulo. The mabacteria kwambiri louma zili pakati. Choncho, mu tchire zomera ndi sakanikira, izo ili m'magulu atatu yotakata: wamtali, wosakaniza ndi nizkotrave.

Mpumulo wa mminda North America

ndi tchire la Great m'Chigwa mawu a Kodi mpumulo? Izi m'dera chimafikira pamodzi Cordillera. Ndi mwachilungamo lathyathyathya pamwamba ndi madera aang'onoang'ono mapiri. Ndipotu, yachonde otsika yachonde, umene ndi kupitiriza kwa madambo Western a kum'mawa mpaka kumadzulo. Kutalika avareji zone ili mkati makilomita 1.5 pamwamba pa nyanja. Mtsinje kum'mawa ndi kupewa ndi za ku chigwa cha awiri mitsinje: ndi Missouri ndi Mississippi. Kamodzi malowa anali pansi wakale nyanja, ku umene wapangidwa ndi madipoziti. Tchire akhoza kugawidwa anayi zigawo physiographic: zitunda zathyathyathya atatu - Edwards, Missouri, Llano Estacado - ndi chigawo chapakati cha Great m'Chigwa.

nyengo

Mbali yaikulu ya nyengo lonse mu North America - ndi otaya mpweya onyamula chinyezi ku Pacific Ocean. Koma tchire madzi pafupi angamachite - ikhala mwa miyala ndi kugwa Mapiri ndi Sierra Nevada. Youma mphepo ya mkokomo kudzera steppe popanda choletsa, kupatula otaya chinyezi Gulf of Mexico. misonkhano iyi kutha ndi thunderstorms m'chilimwe ndi mafunde, m'nyengo yozizira - katundu snowfalls. Nthawi zambiri, minda ndi khalidwe zonse mphepo yamphamvu. Kutentha pano Ngelezi - mosiyana. Chilimwe - avareji 20-25 madigiri Celsius m'nyengo yozizira - -25. Frosts ndi madigiri -50. Kummawa nyengo zambiri chinyezi - mu chaka amagwa 600 mamilimita mvula. Dera la kumadzulo kwa drier, ndi ponseponse si upambana 300 mm. Pafupifupi zaka zisanu mminda pali moto. Koma motowo amangothamangira, monga ulamuliro, mofulumira kwambiri, popanda kumupweteka kwambiri m'dziko.

The zomera za mminda

ndi tchire mawu a zomera chiyani? Natural zomera - steppe ndi steppe. Koyamba ndi udzu udzu ndi Aspen minda birch. zone ili pamodzi malire Canada. Komanso kummwera nthaka chernozem anapanga mwachindunji tchire. Apa pali tchire otsika (mesquite ndi mthethe) ndi undersized ndi wachotsedwa udzu chivundikirocho. M'madera ambiri kum'mwera kuoneka yucca, cacti ndi agaves. Mkati pali tchire nkhalango mapangidwe. Kumpoto - birch. Kumwera - ndi mitengo, mesquite, mthethe ndi yofanana ndi mkungudza. Panopa tchire zomera amaloŵamo kusintha monga lachonde kwakukulukulu mwakuchita alimi ndi zonse yothiriridwa.

Chinyama dziko tchire

Nyama tchire chidwi, koma, komanso zomera, musati amasiyana zosiyanasiyana. tchire agalu - achibale zomanga thupi ndi ambiri. Dzinali analandira chifukwa cha kukuwa phokoso kuti kudali mzake zizindikiro zoopsa. Live tchire agalu m'midzi lalikulu. Iwo amakhala mu kamakumba una m'malo dongosolo zovuta. Mokhala akhoza ili pa akuya mamita 5. Zilombozi ndi chakudya zolusa m'dera: ferrets Blackfoot, tchire kabawi, coyotes, yoongoka, rattlesnakes ndi akadzidzi kalulu. Poyamba tinkakhala ndi tchire ng'ombe zambiri za njati. Pa nthawi ina anali pafupi kutha chifukwa cha ankhanza kusaka kwa iwo. Pakali pano, nyama zikuluzikulu ndiotetezedwa mwa lamulo. Komabe mokwanira ambiri coyotes. Mwa mbalame Tingaone tchire grouse, Canada atsekwe ndi atsekwe.

Chiwerengero cha moto tchire ndipo anathandizapo njati

Amene amadziwa, mwinamwake lero, palibe amene kufunsa zimene tchire, ngati moto onse ndi njati chomwecho. Asayansi akukhulupirira kuti malo amenewa kwa nthawi yaitali kuwonjezera nkhalango, malinga ndi dothi ndi nyengo mikhalidwe ya m'deralo. Moto wolusa kuti kuwotcha zonse pansi, ndi ng'ombe za nyama kuti asamadye ndi kwathunthu kupondereza nthambi zanthete, anachita mochenjera. Asayansi kupanga awo mfundo okha zochita malinga ndi ndondomeko ofanana mu Africa, njovu komanso zimathandiza kuti kufala kwa steppe zomera. Ndipo kotero anapanga thambo la tchire ... Yang'anani pa chithunzi - mmene wokongola ali!