{"id":25107,"date":"2014-06-01T16:41:00","date_gmt":"2014-06-01T13:41:00","guid":{"rendered":"https:\/\/bilimvegelecek.com.tr\/?p=25107"},"modified":"2018-05-10T16:52:47","modified_gmt":"2018-05-10T13:52:47","slug":"denizalti-mezarligi-ne-gosteriyor","status":"publish","type":"post","link":"https:\/\/bilimvegelecek.com.tr\/index.php\/2014\/06\/01\/denizalti-mezarligi-ne-gosteriyor","title":{"rendered":"Denizalt\u0131 mezarl\u0131\u011f\u0131 ne g\u00f6steriyor?"},"content":{"rendered":"

Biliminsanlar\u0131na g\u00f6re \u201cdenizalt\u0131 mezarl\u0131klar\u0131\u201dn\u0131n ke\u015ffi, okyanuslarda ya\u015fayan dev bal\u0131klar\u0131n \u00f6l\u00fcm sebeplerinin belirlenmesine \u0131\u015f\u0131k tutacak.<\/p>\n

Angola sahillerinde gaz ve ya\u011f end\u00fcstrisine ba\u011fl\u0131 \u00e7al\u0131\u015fan gemilerin kamera kay\u0131tlar\u0131, d\u00f6rt b\u00fcy\u00fck deniz canl\u0131s\u0131n\u0131n olu\u015fturdu\u011fu bir denizalt\u0131 mezarl\u0131\u011f\u0131n\u0131 g\u00f6sterdi.<\/p>\n

Mezarl\u0131k, balina, k\u00f6pekbal\u0131\u011f\u0131, \u00fc\u00e7 tane vatoz ve bunlara \u00fc\u015f\u00fc\u015fen le\u015f\u00e7i bal\u0131klardan olu\u015fuyordu. Bulgular Journal Plos One<\/em>\u2019de yay\u0131mland\u0131.<\/p>\n

\u00c7al\u0131\u015fman\u0131n y\u00f6neticisi Plymouth\u2019s Deniz Enstit\u00fcs\u00fc \u00dcniversitesi\u2019nden Dr.Nick Higgs, daha \u00f6nce pek \u00e7ok balina bozunmas\u0131na ait \u00e7al\u0131\u015fmalar yap\u0131ld\u0131\u011f\u0131n\u0131, fakat \u015fu ana kadar di\u011fer deniz memelilerine ait ger\u00e7ek bir denizalt\u0131 mezarl\u0131\u011f\u0131na rastlamad\u0131klar\u0131n\u0131 belirtti.<\/p>\n

Balina enkazlar\u0131 karma\u015f\u0131k ekosistemlerdir. \u00d6nce k\u00f6pekbal\u0131\u011f\u0131 gibi b\u00fcy\u00fck le\u015f\u00e7ileri, daha sonra yenge\u00e7, karides gibi amfipodlar\u0131 \u00e7ekerler. Osedax denen \u201czombi kurtlar\u201d hayvanlar\u0131n kemikleriyle beslenir, bu s\u0131rada ya\u011f dokusundan \u00f6zel bir tak\u0131m bakteriler a\u00e7\u0131\u011fa \u00e7\u0131kar.<\/p>\n

Bu son kamera kayd\u0131yla, balinalar haricindeki di\u011fer b\u00fcy\u00fck hayvan cesetleri etraf\u0131nda nas\u0131l bir yemek \u00e7\u0131lg\u0131nl\u0131\u011f\u0131 ya\u015fand\u0131\u011f\u0131 g\u00f6zlenebilmi\u015f oldu. Kay\u0131t, uzaktan kay\u0131t sistemiyle elde edildi (ROVs=Remotely Opereted Vehicles). Veriler, yakla\u015f\u0131k 1 km2<\/sup>\u2019lik alanda 2008-2010 aras\u0131nda ve yakla\u015f\u0131k 1-2 ay \u00f6nce \u00f6lm\u00fc\u015f deniz hayvanlar\u0131ndan elde edilmi\u015fti.<\/p>\n

Ara\u015ft\u0131rmac\u0131lar her bir kal\u0131nt\u0131n\u0131n \u00e7evresinden 50\u2019den fazla le\u015f\u00e7i bal\u0131k tespit etti. Bunlar 3-4 farkl\u0131 t\u00fcr olarak grupland\u0131r\u0131labilirdi, ancak \u00e7o\u011fu y\u0131lan ve m\u00fcrekkepbal\u0131\u011f\u0131ndan olu\u015fuyordu. Bunlar cesetlerin etraf\u0131nda oturup kal\u0131nt\u0131lar\u0131 yemeye gelen daha k\u00fc\u00e7\u00fck le\u015f\u00e7ileri (amfipodlar\u0131) bekliyor ve onlar\u0131 yiyorlard\u0131. Ancak ara\u015ft\u0131rmay\u0131 yapan ekip, kemik yiyen kurt\u00e7uklar gibi pusuya yatm\u0131\u015f di\u011fer hayvanlar\u0131 da g\u00f6zlemlemedi.<\/p>\n

Dr. Higgs\u2019e g\u00f6re \u201ckan\u0131t\u0131n yoklu\u011fu, yoklu\u011fun kan\u0131t\u0131\u201d olarak de\u011ferlendirilemez. Ancak buradaki durum, normal bir balina ziyafetinden \u00e7ok farkl\u0131ya benziyordu. Ekip halen bu \u00e7ok farkl\u0131 deniz hayvanlar\u0131n\u0131n k\u00fc\u00e7\u00fck bir alanda \u00f6l\u00fc olarak bir arada nas\u0131l bulunabildi\u011fine anlam veremiyor. Sebebi b\u00fcy\u00fck olas\u0131l\u0131kla bu b\u00f6lgelerde yap\u0131lan yo\u011fun ve s\u00fcrekli end\u00fcstriyel ara\u015ft\u0131rma \u00e7al\u0131\u015fmalar\u0131d\u0131r. Yine ara\u015ft\u0131rmac\u0131lara g\u00f6re, bu hayvan kal\u0131nt\u0131lar\u0131 b\u00f6lgedeki deniz hayvanlar\u0131 beslenmesinin y\u00fczde 4\u2019\u00fcn\u00fc sa\u011flayabilmekte ve b\u00f6ylece bal\u0131k topluluklar\u0131n\u0131n devaml\u0131l\u0131\u011f\u0131n\u0131 koruyabilmektedir.<\/p>\n","protected":false},"excerpt":{"rendered":"

Biliminsanlar\u0131na g\u00f6re \u201cdenizalt\u0131 mezarl\u0131klar\u0131\u201dn\u0131n ke\u015ffi, okyanuslarda ya\u015fayan dev bal\u0131klar\u0131n \u00f6l\u00fcm sebeplerinin belirlenmesine \u0131\u015f\u0131k tutacak. Angola sahillerinde gaz ve ya\u011f end\u00fcstrisine ba\u011fl\u0131 \u00e7al\u0131\u015fan gemilerin kamera kay\u0131tlar\u0131, d\u00f6rt b\u00fcy\u00fck deniz canl\u0131s\u0131n\u0131n olu\u015fturdu\u011fu bir denizalt\u0131 mezarl\u0131\u011f\u0131n\u0131 g\u00f6sterdi. Mezarl\u0131k, balina, k\u00f6pekbal\u0131\u011f\u0131, \u00fc\u00e7 tane vatoz ve bunlara \u00fc\u015f\u00fc\u015fen le\u015f\u00e7i bal\u0131klardan olu\u015fuyordu. Bulgular Journal Plos One\u2019de yay\u0131mland\u0131. \u00c7al\u0131\u015fman\u0131n y\u00f6neticisi Plymouth\u2019s Deniz […]<\/p>\n","protected":false},"author":42,"featured_media":25109,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[161,19],"tags":[3191,3192,3193,3194],"class_list":["post-25107","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-124-sayi","category-bilim-gundemi","tag-denizalti","tag-kalinti","tag-kemik","tag-osedax"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t