Barazanar da ke kan teku

Oceano

Kowace rana, kwata na CO2 da aka fitar ta ayyukan ɗan adam ana nuna shi zuwa teku. A cikin teku, matsalolin da suka shafi canji yanayi zasu ma fi mahimmanci. Koyaya, wannan ƙa'idar tana zuwa farashin. Da farko, tekun ya zama acidic, ma'ana cewa pH ya saukad da.

A cikin 2100, masana kimiyya sunyi hasashen cewa pH zai fadi da raka'a 0,38 dangane da tsakiyar karni na 0,38. Saukar digo guda XNUMX digon ruwa ne a cikin tekun. To babu, saboda wannan acidification yana da haɗarin sanya kwarangwal da bawon shuke-shuke da dabbobi da yawa su zama masu wahala.

A lokaci guda, ruwan daga teku yana zafi sosai, musamman a sama, da kuma cikin zurfin. Wannan na iya haifar da wasu nau'ikan yin ƙaura, rikitar da musayar iskar oxygen a cikin ruwa, da kuma lalata lafiyar murjani, misali.

A ƙarshe, a matsayin kashi na uku, da kankara na sandunan kuma kankarar nahiyoyi sun narke tare da canjin yanayi, wanda ya daukaka matakin teku. A cikin lokaci mai tsawo, wannan yana da haɗarin sauya shimfidar shimfidar bakin teku, musamman waɗanda ke ƙasa.

Lokacin tarawa acidification, dumamar yanayi da hauhawar ruwa, shine dukkanin yanayin halittun cikin teku da ake fuskantar barazana. Idan plankton, phytoplankton da microorganisms bace? Da kyau, game da mazauni da abincin dubban nau'ikan kifayen da zasu iya haɗari. Masu farautarsa ​​na iya yin ƙaura, canza abincinsu, da hallaka wasu nau'in, da ma ɓacewa.

Mu maza ba mu da nisa da sakamakon. Duk wannan zai shafi noman ruwa da kamun kifi, misali, sabili da haka abincin duniya. Da salud mutum zai iya fuskantar barazanar ci gaban ƙwayoyin cuta da ƙwayoyin cuta. Ba tare da ambaton barazana ga duk ayyukan tattalin arziki a gabar teku ba, kamar yawon bude ido. Dukanmu muna saman sarƙar, saboda haka kowane ɗayan yana shafar kai tsaye ta ƙarshen teku.


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