{"id":53527,"date":"2019-12-04T00:00:00","date_gmt":"2019-12-03T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/podvodnaya-akustika-mozhet-pomoch-spasti-korallovye-rify"},"modified":"2020-02-18T14:01:26","modified_gmt":"2020-02-18T11:01:26","slug":"podvodnaya-akustika-mozhet-pomoch-spasti-korallovye-rify","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/podvodnaya-akustika-mozhet-pomoch-spasti-korallovye-rify","title":{"rendered":"Allveelaevade akustika v\u00f5ib aidata p\u00e4\u00e4sta korallriffe","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Korallide hukkumine on suur probleem, millega ookeanoloogid praegu silmitsi seisavad. Rahvusvaheline teadlaste grupp Briti Exeteri ja Bristoli \u00fclikoolidest, samuti Austraalia James Cooki \u00fclikoolist ja Austraalia mereteaduste instituudist v\u00e4idab, et \u201eakustiline rikastamine\u201c v\u00f5iks olla v\u00e4\u00e4rtuslik t\u00f6\u00f6riist kahjustatud korallide taastamiseks.<\/p>\n

\"Allveelaevade<\/p>\n

T\u00f6\u00f6tades v\u00e4lja anal\u00fc\u00fcsi Austraalias h\u00e4\u00e4buvast Suurest Barjerriifist, paigaldasid teadlased veealuseid k\u00f5lareid, mis edastasid tervete rifide salvestusi, aladele, kus olid surnud korallid, ja avastasid kaks korda rohkem kalu, mis tulid ja j\u00e4id, v\u00f5rreldes sarnaste aladega, kus heli ei edastatud. \u201eKalad on kriitilise t\u00e4htsusega, et korallide rifi s\u00fcsteemid toimiksid tervena,\u201c \u00fctles Exeteri \u00fclikooli Tim Gordon. \u201eKalade arvu suurenemine sellisel viisil v\u00f5ib aidata k\u00e4ivitada looduslikke taastamisprotsesse, vastupidiselt kahjustusele, mida me n\u00e4eme paljude korallide rifide puhul \u00fcle kogu maailma.\u201c<\/p>\n

See uus meetod toimib, edastades helisid, mis kaovad, kui rifid degenereeruvad. \u201eTerved korallide rifid on uskumatult l\u00e4rmakad kohad: krabisurutud krevettide pragin, kalade m\u00f6ire ja r\u00f6hitsemine loob h\u00e4mmastava bioloogilise helimaastiku. Need helid meelitavad noori kalu, kui nad otsivad asukohta asustamiseks,\u201c \u00fctles Exeteri \u00fclikooli professor Steve Simpson. \u201eRifid muutuvad kummaliselt vaikseks, kui nad degenereeruvad, kuna krevetid ja kalad kaovad, kuid valjuh\u00e4\u00e4ldite abil, mis taastavad selle kadunud helimaastiku, saame me taas noori kalu ligi meelitada.\u201c<\/p>\n

Austraalia mereteaduste instituudi kalabioloog dr Mark Meekan lisas: \u201eMuidugi ei too kalade meelitamine surnud rifile seda automaatselt elule, kuid taastumine s\u00f5ltub kaladest, kes puhastavad reefi ja loovad ruumi korallide kasvamiseks.\u201c<\/p>\n

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Uuring n\u00e4itas, et tervete rifide helide edastamine kahekordistas eksperimentaalsetes rifikeskkonna aladel kalade koguarvu ning suurendas kohalike liikide arvu 50%. See mitmekesisus sisaldas liike k\u00f5ikidest toiduahela tasanditest \u2013 taimtoidulised, detritivoorid, planktoitujaid ja r\u00f6\u00f6vkalad. Erinevad kalagruppide funktsioonid korallide rifides t\u00e4hendab, et rikkalik ja mitmekesine kalapopulatsioon on oluline tegur terves \u00f6kos\u00fcsteemis.<\/p>\n

\"Allveelaevade<\/p>\n

Bristoli \u00fclikooli professor Andy Radford \u00fctles: \u201eAkustiline rikastamine on lubav meetod kohalikul tasandil. Koos elupaikade taastamise ja muude looduskaitsemeetmetega v\u00f5ivad kalakogukondade rekonstrueerimised sellisel viisil kiirendada \u00f6kos\u00fcsteemide taastamist. Kuid meil on ikka veel palju teisi ohte, sealhulgas kliimamuutused, \u00fclem\u00e4\u00e4rane kalap\u00fc\u00fck ja veereostus, millega tegeleda, et kaitsta neid haavatavaid \u00f6kos\u00fcsteeme.\u201c<\/p>\n

H\u00e4rra Gordon lisas: \u201eKuigi suurema kalade meelitamine ei p\u00e4\u00e4sta korallide rifu iseseisvalt, annavad sellised uued meetodid meile rohkem t\u00f6\u00f6riistu nende hindamatute ja haavatavate \u00f6kos\u00fcsteemide p\u00e4\u00e4stmiseks. Kohaliku halduse uuendustest kuni rahvusvahelise poliitika tegevuseni on vajalik m\u00e4rkimisv\u00e4\u00e4rne edusamm k\u00f5igil tasanditel, et tagada paremad tulevikud rifidele \u00fcle kogu maailma.\u201c<\/p>\n

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Allikas: 3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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