Cidlada North American, ama maxay Prairie ah?

Prairie ee Babacyada Great ee North America waa qayb ka mid ah qaaradda horumarinta reer Yurub ka qaadeen oo ku saabsan 4 kun oo kilomitir dheer oo 800 kiiloomitir u ballaaran. meesha dhulka miyiga iyo ilaalinta xagga galbeed ee Mountains Rocky uu keeno roobab of sifooyinka cimilada iyo daaqsinka kooban. Waa maxay Prairie ah? Dabcan, steppe this. Magaca waxay ka degayaasha Faransiis helay. Taasoo la micno ah ee erayga "Prairie" ah - seeraha. Juqraafi ahaan ay ku yaalaan bari ee Babacyada Great, US Galbeedka iyo Kanada. In waqooyiga Prairie oo xuduud la kaymaha geed, oo reer galbeed ah - buuraha bariga leh - la kaynta-steppe, iyo xagga koonfureed u guurayso ee Utah iyo semi-cidla ah. Xaddiga roobabka ee deel North American hoos jihada ka soo bari ilaa galbeed. The goobaha ugu oomane ku yaalaan xarunta. Sidaa darteed, in daaqsinka Prairie waa Nuurre Aw, waxaa ku yaal saddex koox ballaadhan, dhaadheer, isku qasan oo nizkotrave.

Relief oo ka mid ah prairies North American

Waa maxay Prairie ah Babacyada Great ah marka la eego gargaarka? Tani waxay meesha u waasiciyo weheliyaan Cordillera ah. Waa dusha si caddaalad ah guri leh meelaha yar yar buur ah. Dhab ahaantii, tani banka taagga yar yahay, taas oo ah in la sii wado bannaankii Western bari iyo ilaa dhankeeda galbeed ku. sarajooggiisu wuxuu celcelis ahaan aaga this waa 1.5 kilomitir sareeya heerka biyaha badda gudahood. River si ay bari iyo fogaado iska leh weysada oo ka mid ah laba wabiyo ee Missouri iyo Mississippi. Marka goobta this ahaa hoose badda ee qadiimiga ah, kaas oo u ka kooban yahay iyo lacag dhigaal ah. Prairie waxa loo qaybin karaa afar gobol physiographic: saddex plateaus - Edwards, Missouri, Llano Estacado - iyo qaybta dhexe ee Babacyada Great ah.

cimilada

component aasaasiga ah ee cimilada oo dhan ee North America - waa socodka hawada siday qoyaanka ka Badweynta Pacific. Laakiin biyo Prairie dhow qasaariyeen - waxaa weli ka mid ah Rocky iyo Cascade Mountains iyo Sierra Nevada. dabayl qalalan dhex steppe ku yaacaya aan carqalad, marka laga reebo socodka qoyan Gulf of Mexico. kulamadaasi ku dhammaadaan onkodka xagaaga iyo duufaan, ee xilliga qaboobaha - da'o baraf culus. Guud ahaan, prairies waa dabaylo xoog joogto ah dabeecad u. Heerkulka halkan Continental - duwan. Summer - celcelis ahaan 20-25 degrees Celsius xilliga qaboobaha - -25. Dhaxan iyo -50 digrii. In bari cimilada uu yahay mid ka badan qoyan - sannaddii 600 mm roob dhici karaan. qaybta galbeed ee ka qalleyl ah, waa iska caadi ah kama badna 300 mm. Qiyaastii shantii sanaba on prairies waxaa dabka. Laakiin dab la orotonno, sida caadiga ah, si dhakhso ah, iyada oo aan wax badan waxyeelo dalka.

The flora ee Prairie ah

Waa maxay Prairie ah marka la eego flora? Dhirta Dabiiciga ah - steppe iyo steppe. First muujiyay by caws-grassland iyo Aspen iyo geedihii Asheeraah bjørk. zone Tani waxay ku taalaa xadka Canadian. Dheeraad ah koonfurta on ciidda chernozem sameeyay si toos ah Prairie. Halkan waxaa jira ay duurka ku yar (mesquite iyo qudhac) iyo undersized daboolka cawska saaray. In meelaha koonfurta dheeraad ah ka muuqan yucca, cacti iyo agaves. Inside waxaa jira formation kaynta Prairie. Waqooyiga - bjørk. Koonfurta - alloonka, mesquite, qudhac ah iyo geed rotem la yidhaahdo. Currently Prairie flora Oo Qaliin isbedel sida ciidda bacrin ah qaybta ugu horumariyo by beeralayda iyo si joogto ah waraabiyo.

Prairie ayaa dunida xayawaanka

Xayawaanka Prairie oo xiiso leh, laakiin, iyo sidoo kale daaqsinka, ma kala duwan yihiin kala duwanaanshaha. eeyaha Prairie - qaraabada protein yihiin kuwa ugu badan. Its magaca ay heshay sababtoo ah qayliyo dhawaaqa u mari kasta calaamadaha kale ee khatar. Live eeyaha Prairie ee deegaanada waaweyn. Waxay ku nool yihiin Burrows halkii dhismeedka adag. Dwellings ooli karaa at qoto dheer ah 5 mitir. xayawaan Kuwanu waa cunto bahal maxaliga ah: ferrets Blackfoot, Galaydhka Prairie, coyotes, adhidibadeed, rattlesnakes iyo gorayada bakayle. Markii hore waxaan ku noolaa Prairie iyo lo 'badan oo gisi. Ugu hal mar, waxay ahaayeen ayaa qarka u saaran dabar sababtoo ah ugaadhsiga bilaa naxariis ah u yeeshaa. Si aad u taariikhda, kuwaas oo xoolo badan oo waxaa ilaaliya sharciga. Weli coyotes ku filan tiro badan. Haaddana waxaa la ogaadaa kartaa grouse Prairie, berriga Kanada iyo berriga.

Expansion dababka Prairie iyo gacan ka qoraafiga

Bal yaa og, laga yaabee maanta, mid ka mid ma noqon doono su'aal ma ku saabsan waxa Prairie ah, haddii dabka oo dhan ma aha gisi isku. Qubarada badankooda ayaa aaminsan in kuwan meelaha muddo dheer kordhin karaa kaynta, sida ay ciidda iyo cimilada shuruudaha ka mid ah aagga. Wildfires in gubi wax kasta oo dhulka ku, iyo lo'dii xoolaha in ay iska badin oo gebi ahaanba ku tuman caleemaha yar yar, sameeyey trick ah. Seynisyahanno ka dhigi gunaanad iyaga u gaar ah oo ku salaysan habka la mid ah ee Africa, halkaas oo maroodi ayaa sidoo kale gacan ka faafidda Dhirta steppe. Oo sidaas sameeyey meeshii bannaanayd oo Prairie ... Eeg sawirka - sida quruxda badan waxay tahay inay tahay!