Ndụ oké osimiri nwere ike inye aka belata mgbanwe ihu igwe: Ọmụmụ ihe ọhụrụ

Ụmụ anụmanụ dị ndụ na-echekwa carbon. Ọ bụrụ na i were azụ̀ si n’oké osimiri rie ya, carbon nke dị n’azụ ahụ na-apụ n’anya n’oké osimiri. Carbon acha anụnụ anụnụ na-ezo aka na ụzọ okike nke vertebrates mmiri (ọ bụghị naanị azụ) nwere ike inye aka ọnyà na sequester carbon, nwere ike ibelata mmetụta mgbanwe ihu igwe.

N'ime oke osimiri, carbon na-esi na ntanetị nri. A na-edozi ya nke mbụ site na photosynthesis site na phytoplankton n'elu. Site na oriri, a na-ebufe carbon ma chekwaa ya n'ime ahụ nke ndụ mmiri na-eri ihe ọkụkụ dị ka krill. Site n'eri anụ, carbon na-akwakọba na nnukwu vertebrates mmiri dị ka sardines, shark, na whale.

Whales na-akwakọba carbon n'ime ahụ ha n'ime ogologo ndụ ha, ụfọdụ n'ime ha na-agbatị ruo afọ 200. Mgbe ha nwụrụ, ha na-emikpu n'ime ala nke oké osimiri, na-eburu carbon na ha. Research na-egosi na onye ọ bụla nnukwu whale sequesters gburugburu tonne 33 nke carbon dioxide na nkezi. Osisi n'otu oge ahụ na-atụnye naanị ihe ruru pasenti 3 nke ikuku carbon nke whale.

vertebrates mmiri ndị ọzọ na-echekwa obere carbon maka obere oge. A na-akpọ mkpokọta ikike nchekwa ha dị ka “carbon biomass”. Ichekwa na ịkwalite ụlọ ahịa carbon na-acha anụnụ anụnụ n'oké osimiri nwere ike ibute uru nchekwa na mbelata mgbanwe ihu igwe.

Emere ọmụmụ ihe nlegharị anya n'oge na-adịbeghị anya na United Arab Emirates (UAE) iji nyere aka ịghọta ike ikuku carbon na-acha anụnụ anụnụ n'ịkwado ihe ịma aka mgbanwe ihu igwe zuru ụwa ọnụ yana ịkwado ịkụ azụ na amụma mmiri.

Abu-Dhabi Global Environmental Data Initiative (AGEDI) nyere ya ọrụ pilot UAE, ma kwado ya na nkwado ego sitere na Blue Climate Solutions, oru ngo nke The Ocean Foundation, na United Nations Environment Programme (UNEP) site na GRID-Arendal, nke na-arụ ọrụ ma na-eme ihe Global Environment Facility Blue Forest Project.

Ọmụmụ ihe a na-eji usoro datasets dị ugbu a na usoro iji chọpụta ma chọpụta ikike azụ, cetaceans, dugongs, nduru mmiri na nnụnụ mmiri na-ebi n'akụkụ mpaghara mmiri nke UAE iji chekwaa na sequester carbon.

"Nnyocha a na-anọchite anya nyocha ikuku carbon na-acha anụnụ anụnụ nke ụwa mbụ na nyocha amụma na ọkwa mba ga-ekwe ka amụma na ụlọ ọrụ nchịkwa dị mkpa na UAE nyochaa nhọrọ maka mmejuputa atumatu ikuku carbon na-acha anụnụ anụnụ na mpaghara na mba," na-ekwu. Ahmed Abdulmuttaleb Baharoon, Onye isi oche nke AGEDI. "Ọrụ a bụ nkwenye siri ike nke ike maka nchekwa na nlekọta na-adịgide adịgide nke ndụ mmiri nke a ga-amata dị ka ihe ngwọta dị mkpa dabeere na okike maka ihe ịma aka ihu igwe zuru ụwa ọnụ," ka ọ na-agbakwụnye.

Carbon biomass bụ otu n'ime ya okporo ụzọ carbon nke oke osimiri na-acha anụnụ anụnụ itoolu achọpụtara nke vertebrates mmiri nwere ike mebie nchekwa carbon na sequestration.

UAE oceanic blue carbon nyocha

Otu ihe mgbaru ọsọ nke ọmụmụ UAE bụ iji nyochaa ụlọ ahịa carbon vertebrate biomass na-elekwasị anya na Abu Dhabi emirate, nke ọtụtụ data dịbu adị.

A tụlere ike nchekwa carbon biomass n'ụzọ abụọ. Nke mbụ, a na-atụle ike nchekwa carbon biomass furu efu site na nyocha data ịnwụde azụ. Nke abụọ, ikike nchekwa carbon biomass dị ugbu a (ya bụ, ngwaahịa biomass carbon standing stock) maka ụmụ anụmanụ na-ahụ mmiri, nduru na nnụnụ mmiri ka e mere atụmatụ site na-enyocha data bara ụba. N'ihi enweghị data gbasara ụbara azụ n'oge nyocha, ewepụrụ azụ na atụmatụ nke ngwaahịa carbon biomass, mana ekwesịrị itinye data ndị a na ọmụmụ ihe n'ọdịnihu.

Ọmụmụ ahụ mere atụmatụ na n'ime afọ 2018, ton 532 nke nchekwa carbon biomass tụfuru n'ihi azụ azụ. Nke a fọrọ nke nta ka ọ bụrụ ihe dị ugbu a atụmatụ 520 tonnes nke biomass carbon guzobe ngwaahịa nke anụ mamma, nduru mmiri, na nnụnụ mmiri na Abu Dhabi emirate.

Ihe mejupụtara ngwaahịa carbon biomass bụ nke dugongs (51%), nduru mmiri (24%), dolphins (19%) na nnụnụ mmiri (6%). N'ime ụdị 66 a nyochara (ụdị azụ 53, ụdị anụ mmiri atọ, ụdị nduru abụọ, na ụdị nnụnụ mmiri asatọ) na nyocha a, asatọ (12%) nwere ọnọdụ nchekwa nke adịghị ike ma ọ bụ karịa.

Heidi Pearson, onye ọkachamara n'ihe gbasara anụmanụ na mmiri na-ekwu, "Kabon biomass - na ikuku na-acha anụnụ anụnụ n'ozuzu - bụ naanị otu n'ime ọtụtụ ọrụ gburugburu ebe obibi nke ụdị ndị a na-enye, yabụ na e kwesịghị ile ya anya dị iche iche ma ọ bụ dochie anya atụmatụ nchekwa ndị ọzọ." Mahadum nke Alaska Southeast na onye ndu odee nke ihe omumu carbon biomass. 

"Nchekwa na nkwalite nke mmiri vertebrate biomass carbon ụlọ ahịa nwere ike ịbụ otu n'ime ọtụtụ atụmatụ maka nchekwa atụmatụ na mbelata mgbanwe ihu igwe na UAE," ọ na-agbakwụnye.

"Nsonaazụ a na-akwado nnukwu uru gburugburu ebe obibi nke whale na ndụ mmiri ndị ọzọ iji nyere aka belata ihu igwe," Mark Spalding, Onye isi oche nke The Ocean Foundation na-ekwu. "Ọ dị oke mkpa na obodo zuru ụwa ọnụ na-atụle ihe akaebe a dị ka akụkụ nke mgbalị ha na-aga n'ihu iji jikwaa na weghachite ndụ mmiri na ileba anya mgbanwe ihu igwe zuru ụwa ọnụ," ka ọ na-agbakwụnye.

Ntụle amụma ikuku nke Oceanic

Ebumnobi ọzọ nke oru ngo a bụ inyocha ike nke carbon-acha anụnụ anụnụ dị ka ngwá ọrụ amụma iji kwado njikwa na-adịgide adịgide nke akụrụngwa mmiri na ịlụso mgbanwe ihu igwe ọgụ.

Ọmụmụ ihe a nyochakwara ndị na-ahụ maka gburugburu ebe obibi dị 28 dị n'ụsọ oké osimiri na nke mmiri iji nyochaa ihe ọmụma, àgwà, na echiche nke echiche nke oké osimiri na-acha anụnụ anụnụ na mkpa ya na amụma. Ntụle amụma ahụ chọpụtara na itinye n'ọrụ amụma carbon na-acha anụnụ anụnụ nwere nnukwu mkpa amụma gbasara mpaghara mgbanwe ihu igwe, ichekwa ụdị ndụ dị iche iche, na njikwa azụ azụ na mba, mpaghara na mba ụwa.

"Ọtụtụ n'ime ndị sonyere na nyocha ahụ kwenyere na nnabata mba ụwa maka uru nke carbon acha anụnụ anụnụ kwesịrị ịba ụba yana na ekwesịrị itinye ya na atụmatụ maka nchekwa na mbelata mgbanwe ihu igwe," Steven Lutz, ọkachamara n'ihe gbasara carbon na-acha anụnụ anụnụ na GRID-Arendal na onye ndu na-ekwu. onye ode akwụkwọ nyocha amụma. "N'agbanyeghị na ọ dị mkpa iji belata ikuku carbon, nchọpụta a kwadoro na nchekwa mmiri dị ka atụmatụ mbelata ihu igwe ga-ekwe omume, ọ ga-abụ na a nabatara ya nke ọma ma nwee nnukwu ikike," ka ọ gbakwụnyere.

Isabelle Vanderbeck, onye ọkachamara n'ihe gbasara gburugburu ebe obibi nke mmiri na United Nations Environment Programme (UNEP) na-ekwu, "Nchọpụta ndị a bụ ụdị nke mbụ n'ụwa ma na-atụnye ụtụ na mkparịta ụka gbasara nchekwa na nlekọta oke osimiri n'ihe gbasara mbelata mgbanwe ihu igwe."

"Carbon na-acha anụnụ anụnụ nwere ike ịbụ otu akụkụ nke data ejiri mee ihe na mmepe nke atụmatụ mbelata mgbanwe ihu igwe, ịkụ azụ na-adigide, amụma nchekwa, na atụmatụ mbara igwe. Nchọpụta a na-eme ka ọdịiche dị n'etiti ichekwa mmiri na amụma mgbanwe ihu igwe dị oke mkpa ma bụrụkwa nke dị oke mkpa maka omume oke osimiri a na-atụ anya na a ga-atụle ya na ọgbakọ mgbanwe ihu igwe nke United Nations nke afọ a na November," ka ọ gbakwụnyere.

The Afọ iri nke United Nations nke sayensị osimiri maka mmepe na-adigide (2021-2030) ekwusara ya na Disemba 2017, ga-enye usoro a na-ahụkarị iji hụ na sayensị oke osimiri nwere ike ịkwado omume mba niile iji jikwaa oke osimiri na-adịgide adịgide yana karịa iji nweta 2030 Agenda for Sustainable Development.

Maka ozi ndị ọzọ, biko kpọtụrụ Steven Lutz (GRID-Arendal): [email protected] ma ọ bụ Gabriel Grimsditch (UNEP): [email protected] ma ọ bụ Isabelle Vanderbeck (UNEP): [email protected]