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Maganin Halitta: Hektar 215 Miliyan na Kasashen Dumi Zasu Iya Farfadowar Daji Ta Hanyar Halitta

Dr. Gymbro · · 3 min read

Maganin Halitta: Hektar 215 Miliyan na Kasashen Dumi Zasu Iya Farfadowar Daji Ta Hanyar Halitta

Wani sabon bincike da aka buga a mujallar Nature ya gano cewa yankin da ya fi girman Mexico—kimanin hektar 215 miliyan—na da damar farfadowar dazuzzuka ta hanyar halitta a duk fadin yankunan da ke da yanayin dumi na duniya. Wannan ƙirƙira na ba da wata hanya mai araha maimakon shirin dasa itatuwa masu tsada, tare da ɗaukar adadi mai yawa na carbon da kuma dawo da bambancin halittu.

Ƙarfin Farfadowar Halitta

Renato Crouzeilles da ƙungiyar masana daga sassa daban‑daban suka jagoranci binciken da ya nazarci yanayin dazuzzuka daga shekara 2000 zuwa 2016, don gina samfurin da ke hango inda dazuzzuka za su iya dawo da kansu. Ta hanyar amfani da hotunan tauraron dan adam da ke da ƙuduri na mita 30, tawagar ta gano wuraren da aka sare amma har yanzu suna da yanayin da zai ba da dama ga farfadowar ƙasa.

"Farfadowar dazuzzuka ta hanyar halitta ba kawai tafi araha fiye da dasa itatuwa ba, har ma tana haifar da dazuzzuka masu yalwar nau’in halittu," in ji masu binciken. Wannan sakamakon ya kalubalanci ra’ayin da ake da shi na cewa dasa itatuwa kai tsaye shi ne mafi alheri ga farfadowar dazuzzuka.

Babban Damar Carbon

Binciken ya kiyasta cewa dazuzzukan da ke farfadowa ta halitta za su iya ɗaukar carbon har zuwa 23.4 gigatoni a cikin shekaru 30, tsakanin 21.1 zuwa 25.7 gigatoni. Idan aka kwatanta, wannan yana nufin kusan rabin adadin carbon da ake buƙata don cimma burin sauyin yanayi na duniya. Ajiya carbon zai fi yawa a cikin itatuwan da suka girma sosai da ke hawa sama.

Kasashe Biyar Sune Makullin

Kasashe biyar ne suka ƙunshi fiye da rabi na wannan damar: Brazil, Indonesia, China, Mexico, da Colombia. Su ne suka riƙe kashi 52 % na yankunan da aka gano. Wannan na nuni da cewa ya kamata a mai da hankali kan shirye‑shiryen farfadowa a cikin waɗannan ƙasashe, domin su ne ke da dama mafi yawa na farfadowar dazuzzuka ta halitta.

  • Brazil: Ba abin mamaki ba ne ganin cewa sahun gaba ne, musamman ma dajin Amazon da kuma yankunan dajin Atlantic da ke fuskantar matsanancin sarewa.
  • Indonesia: Tsibirai masu yawan zafi na ba da babbar dama ga farfadowar dazuzzuka.
  • China, Mexico, da Colombia: Kowane ɗaya na da wurare masu girma da suka cancanci kulawa da tsare su daga ƙarin lalacewa.

Tasirin Manufofi da Duniya

Wannan sakamakon yana da tasiri mai zurfi ga manufofin sauyin yanayi na ƙasa da ƙasa da dabarun kiyayewa. Maimakon a mai da hankali kacokan kan manyan shirye‑shiryen dasa itatuwa masu tsada, gwamnatoci da ƙungiyoyin kiyayewa za su iya tantance wuraren da kariya kawai ke buƙata, don ba da damar dazuzzuka su dawo da kansu.

Binciken ya ba da hanyar da za a bi don cika alkawuran muhalli da aka sanya a ƙarƙashin Yarjejeniyar Paris da kuma Manufar Ci gaban Dorewa ta Majalisar Dinkin Duniya (SDGs). Ta amfani da damar farfadowar halitta, ƙasashe za su iya cimma manufofin farfadowa da sauri, tare da samun sakamakon bambancin halittu mafi girma.

Taswirar da ke da ƙudiri na mita 30 da aka samar tana ba da damar yanke shawara a matakin ƙasa da ƙasa, inda masu tsara manufofi za su iya gano takamaiman wurare da ke da mafi yawan yiwuwar farfadowa ta halitta. Irin wannan tsarin na iya sauya tunaninmu game da dabarun farfadowar dazuzzuka da kuma ajiya carbon a duniya.

Original study

Read the original research on nature.com →

This article summarizes published research for general information. It is not medical advice.

DG

Written by

Dr. Gymbro

Dr. Gymbro writes for Dr. Gymbro: science-backed fitness, nutrition & performance.

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