Ka taƙaita labarin:  Tafkin Teller ya zama babban kifi. Tafkin a Boulder, Colorado, ya mamaye dubban kifin zinare, wanda jami'an namun daji suka ce ya fara ne lokacin da wani ya zubar da 'hudu ko biyar' na dabbobinsu a cikin ruwa shekaru biyu ko uku da suka gabata. Dabbobi yanzu sun ninka zuwa fiye da 3,000 ko 4,000, an yi imanin, kuma suna barazanar mamaye nau'in halitta a cikin tafkin, ta cinye duk albarkatun su da kuma yada cututtukan da ba na halitta ba. 'Fitar da dabbobinku a cikin tafki na iya kawo cututtuka ga dabbobi da tsirrai na gida da kuma fice musu gasa don albarkatu,' in ji mai magana da yawun Colorado Parks and Wildlife (CPW) Jennifer Churchill ga ABC News. Gungura ƙasa don bidiyo. Mamayewa: Lake Teller a Boulder ya mamaye da zinare 3,000 zuwa 4,000, wanda jami'an namun daji suka ce ya fara ne lokacin da wani ya zubar da 'hudu ko biyar' na dabbobinsu a cikin ruwa shekaru biyu ko uku da suka gabata. Overrun: Goldfish ba nau'in'yan asalin ba ne a Colorado kuma suna da matukar illa ga yanayin halittu na ruwa na gida. Barazana: Kifi na asali a cikin tafkin da yanzu ke fuskantar barazanar da kifin zinare mai haɗari ya haɗa da kifin kifi, kifin blue gill da kifin rana. A cikin haɗari: Jami'an yankin yanzu suna la'akari da zaɓuɓɓuka guda biyu - electroshocking kifin ko kuma tafkin tafkin. Damuwa: Mai magana da yawun Colorado Parks and Wildlife (CPW) Jennifer Churchill ta gargadi mutane game da zubar da dabbobinsu a cikin yanayin gida, tana mai cewa hakan na iya zama da haɗari sosai. 'Duk abin da za a iya shafa. Nau'in da ba na asali ba zai iya kawar da kamun kifi kamar yadda muka haɗa shi. ' Yanzu ƙungiyoyi suna fuskantar babban aiki na ƙoƙarin kawar da duk kifin zinare, amma akwai zaɓuɓɓuka biyu kawai. Daya shi ne a shayar da tafkin 12-acre gaba daya, ko amfani da electrofishing, inda kifin ya sha mamaki ta hanyar wutar lantarki kuma an cire su yayin da suke shanyayye. Na biyun shi ne mafi kusantar zabin. Matsala: Sakamakon gabatar da nau'in baƙon abu yana da nisa, in ji jami'ai. Wurin: Teller Lake ya kai kimanin kadada 12 a Boulder, Colorado. An sanya wutar lantarki a cikin...
Tafkin Teller a Boulder, Colorado, ya cika da kifin zinare 3,000-4,000. Jami'ai sun yi imanin cewa an zubar da kifi hudu ko biyar shekaru biyu ko uku da suka gabata. Zai iya lalata tsarin halittu ta hanyar cinye albarkatun da kuma gabatar da cututtukan kasashen waje. Ko dai za a kwashe tafkin ko kuma a cire kifin ta amfani da wutar lantarki, inda ake sanya wutar lantarki a cikin ruwa, yana gurgunta kifin.