{"id":54438,"date":"2022-04-22T15:23:18","date_gmt":"2022-04-22T12:23:18","guid":{"rendered":"https:\/\/bilimvegelecek.com.tr\/?p=54438"},"modified":"2022-04-22T15:23:18","modified_gmt":"2022-04-22T12:23:18","slug":"mercan-resiflerini-korumanin-yolu-aralarindaki-bagin-kopmamasini-saglamaktan-geciyor","status":"publish","type":"post","link":"https:\/\/bilimvegelecek.com.tr\/index.php\/2022\/04\/22\/mercan-resiflerini-korumanin-yolu-aralarindaki-bagin-kopmamasini-saglamaktan-geciyor","title":{"rendered":"Mercan resiflerini koruman\u0131n yolu, aralar\u0131ndaki ba\u011f\u0131n kopmamas\u0131n\u0131 sa\u011flamaktan ge\u00e7iyor"},"content":{"rendered":"

Avustralya’n\u0131n \u00e7e\u015fitli \u00fcniversitelerinden bir ara\u015ft\u0131rmac\u0131 ekibi, D\u00fcnya’daki t\u00fcm mercan resiflerinin varl\u0131\u011f\u0131n\u0131 ilgilendiren \u00f6nemli bir tespitte buluntu. Ekibin\u00a0Science\u00a0<\/em>dergisinde yay\u0131mlad\u0131klar\u0131 \u00e7al\u0131\u015fmaya g\u00f6re, tekil alanlarda yaln\u0131z k\u00fcmelenmi\u015f mercan resifleri yok olmaya mahkum ve resifleri koruman\u0131n yolu, resifleri birbirlerine ba\u011flayan koridorlar\u0131n kaybolmas\u0131n\u0131 \u00f6nlemekten ge\u00e7iyor. Bu koridorlar sayesinde resifler aras\u0131ndaki canl\u0131 \u00e7e\u015fitlili\u011fi sa\u011flan\u0131yor ve besin dengesi sa\u011flanabildi\u011fini g\u00f6ren ara\u015ft\u0131rmac\u0131lar, ayr\u0131ca resiflere endemik olan canl\u0131 t\u00fcrlerinin bu sayede farkl\u0131 alanlara g\u00f6\u00e7 edip oralara da yumurtlayarak canl\u0131l\u0131\u011f\u0131 artt\u0131rd\u0131\u011f\u0131n\u0131 ortaya koydular.
\nGe\u00e7ti\u011fimiz birka\u00e7 on y\u0131ld\u0131r, atmosfere sal\u0131nan Karbondioksit gazlar\u0131 sebebiyle olu\u015fan k\u00fcresel \u0131s\u0131nman\u0131n D\u00fcnya’n\u0131 en hassas ve canl\u0131 \u00e7e\u015fitlili\u011fi a\u00e7\u0131s\u0131ndan zengin yerlerinden olan mercan kayal\u0131\u011f\u0131 resiflerine zarar verdi\u011fi g\u00f6r\u00fcld\u00fc. Ayr\u0131ca okyanuslara sal\u0131nan Karbondioksit de gezegenimizin deniz sular\u0131n\u0131 daha asidik bir hale getirmekte ve bu de\u011fi\u015fen yeni ko\u015fullar mercan kayal\u0131klar\u0131yla o habitata g\u00f6re evrim ge\u00e7irmi\u015f canl\u0131lar\u0131n t\u00fcr\u00fcn\u00fcn devaml\u0131l\u0131\u011f\u0131n\u0131 tehlikeye at\u0131yor. Bu var olan tehditler devam ederken bunlara ek olarak \u00e7ok daha \u00f6l\u00fcmc\u00fcl bir tehditin var oldu\u011fu g\u00f6r\u00fcld\u00fc: koridor kapanmas\u0131.<\/p>\n

\u00d6l\u00fcm d\u00f6\u015fe\u011findeki “lavra koridorlar\u0131”<\/strong>
\nDaha \u00f6nce yap\u0131lan \u00e7al\u0131\u015fmalar, aralar\u0131ndaki dev uzakl\u0131klara ra\u011fmen mercan resifleri aras\u0131nda birbirlerini ba\u011flayan dar resif koridorlar\u0131 bulunmakta. Bu koridorlar okyanus ak\u0131nt\u0131lar\u0131n\u0131n do\u011fal y\u00f6nlerini takip edip D\u00fcnya’n\u0131n d\u00f6rt bir yan\u0131ndaki mercan resiflerini birbirlerine ba\u011fl\u0131yorlar. Bu koridorlar \u00f6zellikle \u00e7e\u015fitli bal\u0131k t\u00fcrlerinin lavra b\u0131rakmak \u00fczere g\u00f6\u00e7 etti\u011fi yollar olu\u015fturdu\u011funda kimi canl\u0131lar\u0131n t\u00fcrlerinin devaml\u0131l\u0131\u011f\u0131 i\u00e7in kilit rol oynuyor.
\nSu alt\u0131 biyolojisi ara\u015ft\u0131rmalar\u0131 bu “lavra koridorlar\u0131”n\u0131n %70’inin hi\u00e7bir \u00e7evre korumas\u0131 alt\u0131nda olmad\u0131\u011f\u0131n\u0131 ve giderek kritik seviyelerde darald\u0131klar\u0131n\u0131 g\u00f6steriyor.
\nAra\u015ft\u0131rmac\u0131lar mercan resiflerini korumak i\u00e7in ayr\u0131lan emek ve kaynaklar\u0131n bir k\u0131sm\u0131n\u0131n, bu koridorlar\u0131n tespiti ve korumas\u0131 i\u00e7in de harcanmas\u0131 gerekti\u011fini \u00f6neriyorlar. Ayr\u0131ca ba\u011flant\u0131l\u0131 bir \u015fekilde ara\u015ft\u0131rmac\u0131lar, okyanusa at\u0131k olarak sal\u0131nan Karbondioksitin, mercan resiflerine su seviyesinin \u0131s\u0131nmas\u0131ndan \u00e7ok daha \u00f6l\u00fcmc\u00fcl sonu\u00e7lara yol a\u00e7aca\u011f\u0131n\u0131 ortaya koydular.<\/p>\n

Kaynak: Bob Yirka, Phys.org<\/a>
\n\u0130lgili Makale: <\/strong>Luisa Fontoura et al, Protecting connectivity promotes successful biodiversity and fisheries conservation, Science (2022). DOI: 10.1126\/science.abg4351<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Avustralya’n\u0131n \u00e7e\u015fitli \u00fcniversitelerinden bir ara\u015ft\u0131rmac\u0131 ekibi, D\u00fcnya’daki t\u00fcm mercan resiflerinin varl\u0131\u011f\u0131n\u0131 ilgilendiren \u00f6nemli bir tespitte buluntu. Ekibin\u00a0Science\u00a0dergisinde yay\u0131mlad\u0131klar\u0131 \u00e7al\u0131\u015fmaya g\u00f6re, tekil alanlarda yaln\u0131z k\u00fcmelenmi\u015f mercan resifleri yok olmaya mahkum ve resifleri koruman\u0131n yolu, resifleri birbirlerine ba\u011flayan koridorlar\u0131n kaybolmas\u0131n\u0131 \u00f6nlemekten ge\u00e7iyor. Bu koridorlar sayesinde resifler aras\u0131ndaki canl\u0131 \u00e7e\u015fitlili\u011fi sa\u011flan\u0131yor ve besin dengesi sa\u011flanabildi\u011fini g\u00f6ren ara\u015ft\u0131rmac\u0131lar, ayr\u0131ca […]<\/p>\n","protected":false},"author":512,"featured_media":54439,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[19,21,217],"tags":[4081,8334,8333,5270,3281],"class_list":["post-54438","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bilim-gundemi","category-biyoloji","category-cevre-bilimleri","tag-mercan","tag-mercan-resifleri","tag-okyanuslar","tag-resif","tag-sualti"],"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