Mathata le pholoho ea likolopata tsa leoatle

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Mabapi le ho futhumala ha lefatše Lefats'eng, ho na le ho qhibiliha ho hoholo ha leqhoa la polar, e leng lona lebaka la ho nyoloha ha boemo ba leoatle la lefatše. Ts'ebetso ena e tla nka nako e kae ha ho tsejoe. Mehloli e meng e re lilemong tse 50 tse tlang, maoatle a lefatše a tla teba ho feta botebo ba limithara tse tharo. Kahoo, hajoale, libaka tse 'maloa tse lebopong li se li na le likhohola nakong ea lifefo le maqhubu.

Boholo ba lipatlisiso tse mabapi le taba ena li entsoe molemong oa ho ithuta litlamorao tsa litlamorao ho batho le tikoloho ea bona. Leha ho le joalo, mathata a amanang le phello ea bophahamo ba bophahamo ba leoatle ho limela le liphoofolo tse lebopong ha a ithutoa hampe. Ka ho khetheha, likolopata tsa leoatleng li qeta boholo ba bophelo ba tsona li le ka metsing, empa nako le nako li tlameha ho ea lebopong ho ea behela mahe. Ho etsahalang ha metsi a fihla mahe lebopong la lehlabathe?

Ho bile le linyeoe ha metsi a leoatle a koahela lihlaha tsa likolopata kapa bana ba sa tsoa tsoaloa. Bo-rasaense ha ba tsebe litlamorao tsa ho pepesetsoa nako e telele metsi a letsoai mahe. Bo-rasaense ba Univesithing ea James Cook (e Townsville, Australia), tlasa boetapele ba Moprofesa David Pike, ba ile ba bokella mahe a likolopata tse botala ba leoatle bakeng sa lipatlisiso Lihlekehlekeng tsa Great Barrier Reef. Maemo a ile a theoa ka laboratoring ho hlahisa metsi a letsoai leoatleng, mme lihlopha tsa taolo ea mahe li pepesitsoe ka linako tse fapaneng. Liphetho tsa lipatlisiso li lokollotsoe ka Phupu 21, 2015.

Kamora hore mahe a bolokoe metsing a letsoai hora e le 'ngoe ho isa ho tse tharo, matla a bona a ile a theoha ka 10%. Ho lula ha lihora tse tšeletseng ha sehlopha sa taolo maemong a iketselitsoeng ho fokolitse lits'oants'o ho 30%.

Boitšoaro bo phetoang ba liteko tsa mahe a ts'oanang bo eketsehile haholo.

Ho bana ba sekolopata se qhotsitsoeng, ho ne ho se na liphapatso nts'etsopele, leha ho le joalo, ho latela bafuputsi, e le ho fihlela liqeto tsa hoqetela, thuto e lokela ho ntšetsoa pele.

Ho shebella boits'oaro le ts'ebetso ea bohlokoa ea likolopata tse nyane ho tla araba lipotso tsa hore na ts'ebetso ea hypoxia (tlala ea oksijene) e ama liphoofolo joang le hore na sena se tla ama bophelo ba tsona joang.

Sehlopha sa bo-ramahlale se etelletsoeng pele ke David Pike se ne se leka ho fumana mohopolo ka bothata bo amanang le monono o tlase oa likolopata tsa leoatle tse tala sehlekehlekeng sa Rhine se Great Barrier Reef.

Lipontšo tsena li tloha ho 12 ho ea ho 36%, ha mofuta ona oa likolopata e le tloaelo ho bana ho tloha ho 80% ea mahe a behiloeng. Ho ipapisitsoe le lipatlisiso tse entsoeng ho tloha ka 2011, boramahlale ba fihletse qeto ea hore tšusumetso e kholo ea ho fokotseha ha baahi e bile le lipula le likhohola, ka lebaka leo sehlekehleke se neng se na le likhohola.

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