West Coast, Best Coast? Eseng bakeng sa Starfish.

Ka Alex Kirby, Intern ea Lipuisano, The Ocean Foundation

Lefu le mohlolo le aparela Lebopo la Bophirima, le siea motlhala oa litlhapi tsa linaleli tse shoeleng.

Ho tloha ka Phuptjane 2013, litutulu tsa linaleli tsa leoatle tse shoeleng tse nang le maoto le matsoho li ka bonoa haufi le Lebopo le Bophirima, ho tloha Alaska ho ea Southern California. Linaleli tsena tsa leoatle, tse tsejoang hape e le starfish, li shoa ka limilione mme ha ho motho ea tsebang hore na ke hobane'ng.

Lefu la tšenyo ea linaleli tsa leoatleng, eo ho hlakileng hore ke lefu le atileng ka ho fetesisa le kileng la tlalehoa sebōpuoeng sa leoatleng, le ka felisa batho bohle ba linaleli tsa leoatleng ka matsatsi a mabeli feela. Linaleli tsa leoatleng li qala ho bontša matšoao a ho angoa ke lefu la ho senyeha ha linaleli tsa leoatleng ka ho etsa lintho tse lethargic - matsoho a bona a qala ho kobeha 'me a sebetsa a khathetse. Ebe diso li qala ho hlaha ka maphakeng le/kapa pakeng tsa matsoho. Joale matsoho a starfish a oa ka ho feletseng, e leng mokhoa o tloaelehileng oa ho imeloa kelellong oa echinoderms. Leha ho le joalo, ka mor'a hore matsoho a mangata a theohe, lisele tsa motho li tla qala ho bola 'me starfish e tla shoa.

Baokameli ba Park Park ea Olympic National Park e Washington State e bile batho ba pele ba ho fumana bopaki ba lefu lena ka 2013. Ka mor'a ho bonoa pele ke batsamaisi bana le bo-rasaense ba basebetsi, batho ba ratang ho ithabisa ba ile ba qala ho hlokomela matšoao a lefu la ho senya ha linaleli tsa leoatleng. Ha matšoao a qala ho hlaha khafetsa linaleling tsa leoatle tse fumanehang Pacific Leboea-bophirima, e ne e le nako ea ho senola sephiri sa lefu lena.

Ian Hewson, motlatsi oa moprofesa oa microbiology Univesithing ea Cornell, ke e mong oa litsebi tse seng kae tse hlomelletsoeng ho etsa mosebetsi oa ho tseba lefu lena le sa tsejoeng. Ke bile lehlohonolo la ho khona ho bua le Hewson, eo hajoale a ntseng a etsa lipatlisiso ka lefu la tšenyo ea linaleli tsa leoatleng. Tsebo e ikhethang ea Hewson ea mefuta-futa ea likokoana-hloko le likokoana-hloko e etsa hore e be eena motho ea ka supang lefu lena le makatsang le amang mefuta e 20 ea starfish.

Kamora ho fumana chelete ea selemo ho tsoa ho National Science Foundation ka 2013, Hewson o sebelitse le litsi tse leshome le metso e mehlano, joalo ka litsi tsa thuto tse lebopong la Bophirima, Vancouver Aquarium, le Monterey Bay Aquarium, ho qala ho etsa lipatlisiso ka lefu lena. Li-aquarium li file Hewson leseli la hae la pele: lefu lena le ile la ama li-starfish tse ngata tse pokellong ea metsing.

"Ho hlakile hore ho na le ho hong ho tlang ho tsoa kantle," ho boletse Hewson.

Mekhatlo e Lebopong la Bophirima e na le boikarabello ba ho fumana lisampole tsa linaleli tsa leoatle libakeng tse lipakeng tsa maqhubu a leoatle. Joale lisampole li romeloa ho pholletsa le United States ho lab ea Hewson, e khamphaseng ea Cornell. Mosebetsi oa Hewson ke ho nka lisampole tseo le ho sekaseka DNA ea linaleli tsa leoatle, libaktheria le livaerase tse ho tsona.

Ho fihlela joale, Hewson o fumane bopaki ba mekhatlo ea likokoana-hloko ka har'a lisele tsa linaleli tsa leoatle tse kulang. Ka mor'a ho fumana likokoana-hloko liseleng, ho ile ha e-ba thata ho Hewson ho khetholla hore na ke likokoana-hloko life tse hlileng li ikarabellang bakeng sa lefu lena.

Hewson o re, “ntho e rarahaneng ke hore ha re tsebe hantle hore na lefu lena le bakoa ke eng le hore na ke eng e jang linaleli tsa leoatle ka mor’a hore li bole.”

Le hoja linaleli tsa leoatle li shoa ka lebelo le e-s'o ka le e-ba teng, Hewson o hatelletse hore lefu lena le ama le lintho tse ling tse phelang, tse kang mohloli oa lijo tsa linaleli tsa leoatleng, shellfish. Kaha ho na le palo e kholo ea batho ba shoang ka lebaka la lefu la sea star star, ho tla ba le tlhaselo e fokolang ea li-mussel, e leng se etsang hore palo ea bona e eketsehe. Li-Shellfish li ka ’na tsa laola tikoloho ea tsona, ’me tsa lebisa ho fokotseha ho hoholo ha mefuta-futa ea lintho tse phelang.

Leha thuto ea Hewson e so ka e phatlalatsoa, ​​o ile a mpolella ntho e le 'ngoe ea bohlokoa: "Seo re se fumaneng se monate ebile ke likokoana-hloko. ke e amehang.”

Etsa bonnete ba hore u khutlela ho blog ea Ocean Foundation haufinyane bakeng sa pale e latelang ka mor'a hore boithuto ba Ian Hewson bo phatlalatsoe!