Mutuwar murjani reef babbar matsala ce da ke fuskantar masana kimiyyar teku a halin yanzu. Tawagar masana kimiyya ta kasa da kasa daga Jami'o'in Exeter da Bristol na Burtaniya, da Jami'ar James Cook ta Australia da Cibiyar Kimiyyar Ruwa ta Australiya suna jayayya cewa "wadatar da sauti" na iya zama kayan aiki mai mahimmanci don taimakawa wajen dawo da lalatawar murjani reefs.
Aiki don nazarin mutuwar Great Barrier Reef na Ostiraliya, masana kimiyya sun sanya masu magana a ƙarƙashin ruwa suna kunna rikodin raƙuman ruwa masu lafiya a wuraren da murjani matattu kuma sun sami sau biyu kamar yadda yawancin kifaye suka isa - kuma suka zauna - idan aka kwatanta da wuraren da ba a kunna sauti ba. "Kifi yana da matukar muhimmanci ga murjani reefs suyi aiki a matsayin lafiyayyen halittu," in ji Tim Gordon na Jami'ar Exeter. "Ƙara yawan kifaye ta wannan hanya na iya taimakawa wajen haifar da tsarin farfadowa na halitta, da magance lalacewar da muke gani akan yawancin murjani reefs a duniya."
Wannan sabuwar dabara tana aiki ta hanyar sake haifar da sautunan da ke ɓacewa lokacin da reefs ya lalace. “Lafiya na murjani reefs wurare ne masu ban mamaki: sautin ciyayi da kururuwa da gunaguni na kifin suna haifar da yanayin sautin halitta mai ban sha'awa. Waɗannan sautin su ne abin da matasa kifi ke tururuwa zuwa lokacin neman wurin zama, in ji Farfesa Steve Simpson daga Jami'ar Exeter. "Reefs sun zama shuru lokacin da suka lalace kamar yadda jatan lande da kifaye suka ɓace, amma ta amfani da lasifika don dawo da wannan yanayin sautin da ya ɓace, za mu iya sake jawo hankalin kifin."
Masanin ilimin kimiya na kimiyar ruwa ta Australiya Dokta Mark Meekan ya kara da cewa: “Tabbas, jawo kifin da ya mutu ba zai sake dawo da shi rayuwa kai tsaye ba, amma ana samun goyon bayan sake dawo da kifin yana tsaftace rafin da samar da sararin murjani girma. "
Binciken ya gano cewa watsa sauti daga rafin lafiyayye ya ninka adadin kifin da ke shiga wuraren gwaji na reef sannan kuma ya kara yawan nau'in da ke akwai da kashi 50%. Wannan bambance-bambancen ya haɗa da nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in abinci - herbivores, detritivores, planktivores da predatory ichthyophages. Ƙungiyoyin kifaye daban-daban suna yin ayyuka daban-daban akan raƙuman murjani, ma'ana cewa yawan kifaye iri-iri yana da mahimmanci don kiyaye yanayin yanayin lafiya.
Farfesa Andy Radford, na Jami’ar Bristol, ya ce: “Acoustic arziƙi hanya ce mai ban sha’awa don sarrafa gida. Lokacin da aka haɗa shi tare da maido da wuraren zama da sauran matakan kiyayewa, maido da al'ummomin kifaye ta wannan hanya na iya hanzarta farfado da yanayin muhalli. Duk da haka, har yanzu muna buƙatar yaƙar wasu barazanar da yawa, da suka haɗa da sauyin yanayi, kamun kifaye da gurɓacewar ruwa, don kare waɗannan gurɓatattun muhallin halittu.”
Mista Gordon ya kara da cewa: “Yayin da jawo karin kifin ba zai ceci rafukan murjani da kansa ba, sabbin hanyoyin irin wannan suna ba mu karin kayan aiki a yakin don ceton wadannan halittu masu daraja da kuma rauni. Tun daga sabbin sauye-sauye a harkokin mulki na gida zuwa aiwatar da manufofin kasa da kasa, ana bukatar gagarumin ci gaba a dukkan matakai don tabbatar da kyakkyawar makoma ga rafukan duniya."
source: 3dnews.ru