Ho Hlomella Bo-rasaense le Sechaba
Kamoo Motheo oa Leoatle o Hahang Matla a Maoatle le Boemo ba Leholimo Lefatšeng ka Bophara
Lefatšeng ka bophara, leoatle le fetoha ka potlako. 'Me ha e ntse e fetoha, liphoofolo tsa leoatleng le sechaba se itšetlehileng ka tsona li lokela ho hlomelloa ka lisebelisoa tsa ho ikamahanya le maemo.
Bokhoni ba lehae ba mahlale a maoatle boa hlokahala ho thusa phokotso e sebetsang. Ea rona Ocean Science Equity Initiative e ts'ehetsa bo-ramahlale, baetsi ba melaoana, le sechaba ka ho beha leihlo le ho sekaseka liphetoho tsa maoatle, ho sebelisana le balekane, le ho thusa ho etsa melao. Re sebeletsa ho ntšetsa pele maano a lefats'e le meralo ea lipatlisiso le ho eketsa phihlello ea lisebelisoa tse lumellang bo-ramahlale ho utloisisa le ho arabela.
Re ikitlaelletsa ho netefatsa hore naha ka nngwe e na le leano le matla la ho beha leihlo le la phokotso, le kgannwang ke ditsebi tsa lehae ho sebetsana le ditlhoko tsa lehae. Morero oa rona ke kamoo re thusang ho aha mahlale, leano le bokhoni ba litsebi lefatšeng ka bophara le linaheng tsa habo bona.
KGONA ka Lebokose
The KGONA ka Lebokose ke sesebelisoa sa theko e tlase se sebelisetsoang ho bokella litekanyo tsa boemo ba leholimo ba asiti ea leoatle. Lisebelisoa tsena li abetsoe bo-rasaense ba linaheng tse leshome le metso e tšeletseng tsa Afrika, Linaha tse Tsoelang Pele tsa Sehlekehlekeng se Senyenyane sa Pacific, le Latin America.
pCO2 ho ea
Leoatle lea fetoha, empa hoo ho bolela eng ho mefuta e le bitsang lehae la lona? 'Me ka lehlakoreng le leng, re arabela joang litšusumetsong tseo re tla li utloa ka lebaka leo? Bakeng sa taba ea acidification ea leoatle, li-oyster li fetohile canary morafong oa mashala le tšusumetso ea ho khanna nts'etsopele ea lisebelisoa tse ncha ho re thusa ho khotsofalla phetoho ena.
Ka 2009, balemi ba oyster lebōpong le ka bophirimela la US ba ile ba ba le phihlelo likhahla tse kholo lihlahisoeng tsa tsona le matsoalong a tlhaho.
Sechaba sa lipatlisiso tsa asiti ea leoatle e sa tsoa qala e ile ea nka taba ena. Ka ho ela hloko ka hloko, ba ile ba fumana seo likhofu tse nyane li na le bothata ho etsa likhetla tsa tsona tsa pele metsing a leoatle lebopong la leoatle. Ntle le acidization e tsoelang pele holim'a leoatle la lefats'e, lebopo le ka bophirima la US - ka ho phahama ha metsi a pH a tlase le asiti ea lehae e bakoang ke limatlafatsi tse ngata - ke lefela bakeng sa tse ling tsa asiti ea bohlokoahali lefatšeng.
E le ho arabela tšokelong ena, libaka tse ling tsa ho qhotsetsa li ile tsa fallela libakeng tse loketseng haholoanyane kapa tsa kenya lisebelisoa tsa morao-rao tsa ho hlahloba lik’hemik’hale tsa metsi.
Empa libakeng tse ngata ho pota lefatše, mapolasi a likhofu a fanang ka lijo le mesebetsi ha a na lisebelisoa tse hlokahalang ho loants'a litlamorao tsa acidization ea leoatle indastering ea bona.
Kenya phephetso ho tloha ho Ofisiri ea Lenaneo Alexis Valauri-Orton ho Dr. Burke Hales, setsebi sa leoatle sa lik'hemik'hale se tsejoang lefatšeng ka bophara bakeng sa ho theha mekhoa ea ho hlahloba OA: haha sensa e theko e tlaase, e tšoaroang ka letsoho e tla lumella li-hatcheries ho lekanya k'hemistri ea tse tlang. metsi a leoatle le ho a lokisa ho etsa maemo a matle haholoanyane. Ho tsoa moo ho ile ha tsoaloa pCO2 to Go, sesebelisoa sa kutlo se kenang ka seatleng sa letsoho 'me se fana ka ho bala hang-hang ha carbon dioxide e qhibilihile metsing a leoatle.pCO2).
Setšoantšo: Dr. Burke Hales o sebelisa pCO2 ho ea ho lekanya palo ea carbon dioxide e qhibilihisitsoeng ka sampuling ea metsi a leoatle a bokeletsoeng lebōpong la leoatle haufi le Resurrection Bay, AK. Mefuta ea bohlokoa setso le khoebong joalo ka littleneck clams e phela tikolohong ena, le moralo o ts'oaroang ka letsoho oa pCO2 to Go e e dumella ho tloha sebakeng sa ho qhotswa ho ya tshimong ho lekola hore na ke mefuta efe e phelang sebakeng sa yona sa tlhaho.
Ho fapana le lisensara tse ling tse tšoaroang ka letsoho, tse kang pH metres, the pCO2 to Go e hlahisa sephetho ka nepo e hlokahalang ho metha liphetoho tsa bohlokoa k'hemistri ea leoatle. Ka litekanyo tse ling tse seng kae tseo ho leng bonolo ho li finyella, li-hatchery li ka ithuta seo likhetla tsa tsona tse nyenyane li se bonang hona joale le ho nka khato ha ho hlokahala.
Tsela e 'ngoe eo likhetla tsa tsona li ka thusang ka eona hore li tsoele pele li le boemong bo hlaselehang habonolo ke ka ho “sebela” metsi a tsona a leoatle.
Sena se hanana le asiti ea leoatleng 'me se nolofalletsa likhetla hore li thehe. Litharollo tsa buffering li entsoe ka risepe e bonolo ho e latela e sebelisang sodium carbonate (soda molora), sodium bicarbonate (motsoako o sebetsang matlapeng a Alka-Seltzer), le hydrochloric acid. Li-reagents tsena li robeha ho ba li-ion tse seng li le ngata metsing a leoatle. Kahoo, tharollo ea buffering ha e kenye letho leo e seng la tlhaho.
sebedisa pCO2 ho Go le software ea laboratori, basebetsi sebakeng sa ho qhotsoa ba ka bala bongata ba tharollo ea ho thibela ho eketsoa litankeng tsa bona. Kahoo, ka theko e tlase ho theha maemo a matle a tsitsitseng ho fihlela metsi a latelang a fetoha. Mokhoa ona o 'nile oa sebelisoa ke li-hatcheries tse kholo tse ileng tsa qala ho bona liphello tsa pH e fokotsehileng likokoanyana tsa tsona. The pCO2 to Go mme ts'ebeliso ea eona e tla fana ka li-hatcheries tse se nang lisebelisoa tse nyane monyetla o tšoanang oa ho rua liphoofolo tsa tsona hantle nakong e tlang. Ts'ebetso ea ho boloka litanka, hammoho le litaelo tsa linyeoe tse fapaneng tsa ts'ebeliso ea sensor ena e ncha, li kenyellelitsoe bukeng e tsamaeang le pCO2 ho ea.
Molekane oa bohlokoa mosebetsing ona ke ho Alutiiq Pride Marine Institute (APMI) e Seward, Alaska.
APMI e hlophisa lisampole tsa lisampole tsa asiti ea maoatle 'me e lekanya lisampole tse bokeletsoeng Metseng ea Matsoalloa ho pholletsa le boroa-bohareng ba Alaska ka sesebelisoa se turang sa k'hemistri se holim'a letlapa se bitsoang Burke-o-Lator. A sebelisa boiphihlelo bona, molaoli oa lab Jacqueline Ramsay o ile a etella pele liteko tsa sensor le app e amanang le eona, ho kenyelletsa le ho bapisa litekanyetso tsa sampole le Burke-o-Lator ho netefatsa hore na ho hloka bonnete ba ho bala ho fumanoeng ke pCO2 to Go ke ka hare ho sebaka se batloang.
Setšoantšo: Jacqueline Ramsay, mookameli oa Alutiiq Pride Marine Institute's Ocean Acidification Research Laboratory, o sebelisa pCO2 ho ea ho lekanya boholo ba carbon dioxide e ka sampoleng ea metsi a bokeletsoeng ho tsoa metsing a leoatle a hatchery. Jacqueline ke mosebelisi ea nang le boiphihlelo oa Burke-o-Lator, sesebelisoa se nepahetseng haholo empa se bitsa chelete e ngata ho lekanya k'hemistri ea leoatle, 'me o fane ka maikutlo a pele mabapi le ts'ebetso ea pCO.2 ho Tsamaea ho tsoa ponong ea mosebeletsi oa li-hatchery hammoho le mofuputsi oa k'hemistri ea leoatle.
TOF e rera ho tsamaisa thepa ea pCO2 ho Tsamaea libakeng tse qhotsetsoang lefatšeng ka bophara, ho fana ka tsela e baballang chelete hore liindasteri tsa likhofu tse tlokotsing li tsoele pele ho hlahisa likhofu tse nyenyane ho sa tsotellehe acidity e tsoelang pele. Boiteko bona ke phetoho ea tlhaho ea GOA-ON ea rona ka lebokoseng la Lebokose - mohlala o mong oa ho fana ka lisebelisoa tsa boleng bo phahameng, tse theko e tlaase ho nolofalletsa balekane ba rona ho utloisisa le ho arabela ho acidification ea leoatle.
