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Nokho lapho iVolga uthululela?

Lapho ugeleza eVolga? Mhlawumbe lo mbuzo ungaphendula cishe kunoma iyiphi umfundi esikoleni esiphakeme. Nokho, umfula kubaluleke kangaka empilweni lo zwe elikhulukazi ezigxile izici zayo isici okudingeka ngemininingwane yakhona.

Isigaba 1. Lapho ewela Olga? incazelo jikelele

Uma ukuhlola uhlu lokukhethwa imifula kunawo futhi iningi esigcwele ogeleza emhlabeni, iVolga kuzoba cishe ngesigaba sokuqala kakhulu. Ngulona logeleta ku engxenyeni European yeRussia, lobude bawo imayelana ayizinkulungwane 3.5. Km.

Valdai Hills - umthombo umfula omkhulukazi. Kuyaziwa ukuthi iVolga agelezela yoLwandle iCaspian, ukwabelana emanzini yayo phezu ngemifula eminingi okhiye. Indawo iVolga umcengezi kuyinto 8% yonke indawo WaseRussia.

IVolga yizinqamu ezintathu: engenhla, maphakathi kanye aphansi. Eyokuqala iqala umthombo afinyelela ku umlomo Oka, kulandele medium, okuyinto uphela endaweni lapho iVolga agelezela emfuleni Kama. A ekupheleni engezansi yoLwandle iCaspian.

izinqolobane amanzi omfula agcwaliswa ngu komhlaba, imvula futhi snowmelt. Ngo-April, sekuyisikhathi ukuqala entwasahlobo uzamcolo, aridity ebonwe ehlobo, ngenkathi uzamcolo ungaphakathi ekwindla nasebusika ezingeni emfuleni ifinyelela iphuzu yalo ephansi impela. Amanzi iVolga iqala ukumisa ekupheleni kuka-November noma ekuqaleni kuka-December.

Isigaba 2. Lapho iVolga uthululela? amaqiniso angokomlando abathandwayo

Lapho kukhulunywa ngaye okokuqala eVolga is ezisohlwini BC leminyaka 2nd in the "Geography" lukaPtolemy, lapho libizwa ngokuthi Ra, okuyinto uhumusha njengoba "ophanayo." Itil - yigama lawo Ephakathi, futhi zemihla ngemihla Arabhu ubizwa ngokuthi "umfula we Rus".

Ekhulwini le-13, emfuleni sesaziwe ngokusebenzisa le iVolga Umzila wezohwebo. Qala iVolga inikeza izixhumanisi nge amazwe aseYurophu nangaphesheya koLwandle iCaspian nge emzileni oqondile uye eMpumalanga. Nokho, lapho ugeleza eVolga, ibalazwe ebonisa kahle impela, hhayi wonke umuntu uyazi ukuthi kule emfuleni amahlathi kudala zaphela amandla, ukudoba iyaqala ukuthuthukisa lapha.

Okwamanje, uma kuqhathaniswa eminyaka adlule, amathuba ayo akupheli.

Inhlabathi evundile eduze noMfula iVolga sekuyisikhathi eside idume abo okuzala futhi cishe maphakathi nekhulu le-19, yaqala ukwakha izitshalo Metallurgical, umshini wokwakha. Ekhulwini lama-20 waqala ukuthuthukisa uwoyela Amasimu Ezansi nomfula. Ngesikhathi esifanayo kwakukhona ukwakhiwa emifula amandla izitshalo phezu nemingenela we iVolga. Futhi minyaka yonke emfuleni isibe ezingasho nzima ubuyise ngempahla yabo.

Isigaba 3. Uzoba kuphi lowo iVolga uthululela? Izici yezimila nezilwane ezihlukahlukene

Ngenxa endaweni eqondile iCaspian Sea sezulu eduze iVolga zinomswakama futhi afudumale isizini ashisayo lokushisa air liyaphuma ezingeni + 40 °, kodwa ngesikhathi frost is sehliselwe -25 °.

Umfula iyikhaya lezinhlobo ezingu-44 zezilwane, kukhona izimo nokunyamalala, okuyizinto wokuvikela. Kuthinta inqwaba Waterfowl. Budebuduze ogwini uncamela axazulule ezincelisayo: izimpungushe, onogwaja raccoon izinja.

Esikhathini amanzi omfula iyikhaya lezinhlobo ezingu-120 zezinhlanzi: carp, roach, bream, Sturgeon, nabanye. Sekuyisikhathi eside Lezi zindawo kube ozithandayo abadobi. Kodwa uma ngaphambi catch emhlabeni Sturgeon kwaba ngaphezu kuka 50%, namuhla isimo sesishintshile kakhulu.

I nomthelela omubi impucuko, uye yehlelwa komfula kukamama. Inani elikhulu iziteshi Hydropower kanye amadamu kakhulu nilingcolise amanzi, okuba nomthelela omubi isimo izitshalo zendawo ezilwaneni nasezimileni. Ngaphezu kwalokho, izinga lamanzi emfuleni iye yawohloka.

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