Dumamar teku ta riga ta ninka 13% fiye da yadda ake tsammani

Ocean

A yau, muna amfani da burbushin halittu don dalilai da yawa waɗanda, yayin da suke sauƙaƙa rayuwarmu, suna da sakamako mara illa na ƙara carbon dioxide zuwa yanayi. Don haka, tun 1980 CO2 matakan sun karu fiye da 40% abin da ya haifar da dumamar yanayi da sauri.

Teku suna sha fiye da kashi 90% na duk zafi, wani abu wanda, babu makawa, yakan haifar da matsaloli da yawa ga rayuwar da ke cikinsu.

A cewar wani binciken da aka buga a cikin mujallar 'Ci gaban Kimiyya', dumamar teku ya riga ya kasance sama da 13% fiye da yadda ake tsammani kuma yana ci gaba da hanzari. Don cimma wannan matsayar, sun yi amfani da tsarin shaƙatawa na Argo, waɗanda suke shawagi waɗanda suke tashi sama kuma suke faɗuwa kai tsaye a cikin tekuna, suna tattara bayanan zafin jiki a zurfin mita 2000. Da zarar an loda su, suna aika wannan bayanan ba tare da waya ba zuwa tauraron dan adam don ƙarin bincike.

Ta hanyar gwada ma'aunin zafin jiki da sakamakon da suka kirga daga samfurin kwamfuta, da amfani da bayanan zazzabi na baya-bayan nan, sun sami damar sanin cewa saurin zafin jiki a shekarar 1992 ya ninka na 1960 sau biyu. dumamar teku yana kara sauri a 'yan shekarun nan.

Tekuna da tsaunuka

Masu binciken sun gano cewa tekun kudanci sun sami dumamar yanayi mai yawan gaske, yayin da Tekun Atlantika da na Indiya a kwanan nan suka fara shan wannan aikin. Duk da haka, babu wata shakka cewa, yayin da yawan zafin jiki ke karuwa, kadan kadan kadan kuma a hankali duk bangarorin duniyar tamu zai shafa.

A cikin takamaiman yanayin tekuna, mun riga mun ga sakamakon: murjani murjani yana yin bleaching, an rage yawan krill da fiye da 80%da kuma akwai wasu dabbobi, kamar su jellyfish, wadanda suke fara yaduwa.

Kuna iya karanta cikakken nazarin a nan (cikin Turanci).


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