Yenisei kogi ne mai tsawon sama da kilomita 3.4 kuma yana ratsa yankin Siberia. Ana amfani da tafki a fannoni daban daban na tattalin arziki:
- jigilar kaya;
- makamashi - gina cibiyoyin samar da wutar lantarki;
- kamun kifi.
Yenisei yana gudana ta duk yankuna masu damuna da suke a Siberia, sabili da haka raƙuma suna zaune a tushen wurin tafki, kuma bera na pola suna zaune a ƙasan.
Gurbatar ruwa
Daya daga cikin manyan matsalolin muhalli na Yenisei da bashin sa shine gurɓacewa. Ofaya daga cikin abubuwan shine man fetur. Lokaci zuwa lokaci, guraren mai suna bayyana a cikin kogin saboda hadari da abubuwa daban-daban. Da zaran bayani game da malalar mai a saman yankin ruwa, ayyuka na musamman ke tsunduma cikin kawar da bala'in. Tunda wannan yana faruwa haka sau da yawa, yanayin halittar kogin ya sami babban lalacewa.
Gurɓatar mai na Yenisei shima saboda asalin halitta ne. Don haka kowace shekara ruwan karkashin kasa yana kaiwa ga ajiyar mai, kuma ta haka ne abu ya shiga cikin kogin.
Gurɓatar makaman nukiliya na tafkin ma ya cancanci tsoro. Akwai wani kayan aiki kusa da shi wanda ke amfani da tashoshin nukiliya. Tun daga tsakiyar karnin da ya gabata, ruwan da aka yi amfani da shi don sarrafa sinadarin nukiliya an sake shi a cikin Yenisei, don haka plutonium da sauran abubuwa masu tasirin rediyo sun shiga yankin ruwa.
Sauran matsalolin muhalli na kogin
Tunda matakin ruwa a cikin Yenisei yana canzawa koyaushe a cikin 'yan shekarun nan, albarkatun ƙasa suna wahala. Yankunan da ke kusa da kogin suna yawan ambaliyar ruwa, don haka ba za a iya amfani da wannan ƙasar don noma ba. Girman matsalar wani lokacin yakan kai ga haka sai ambaliyar ta mamaye su a ƙauyen. Misali, a cikin 2001 kauyen Byskar ya cika da ruwa.
Don haka, Kogin Yenisei shine mafi mahimman hanyar ruwa a Rasha. Ayyukan Anthropogenic yana haifar da mummunan sakamako. Idan mutane ba su rage kaya a kan tafkin ba, wannan zai haifar da bala'in muhalli, canji a tsarin kogin, da mutuwar ciyawar dabbobi da dabbobi.
