Ara\u015ft\u0131rmac\u0131lar yeni bir makalede, bu de\u011fi\u015fimin a\u015fa\u011f\u0131daki sular\u0131 karartabilece\u011fini, ekolojilerini ve jeokimyalar\u0131n\u0131 de\u011fi\u015ftirebilece\u011fini ve ayr\u0131ca iklim bozulmas\u0131n\u0131 h\u0131zland\u0131rabilece\u011fini s\u00f6yl\u00fcyorlar.<\/p>\n
USF Deniz Bilimleri Fak\u00fcltesi'nde o\u015finografi profes\u00f6r\u00fc ve makalenin k\u0131demli yazar\u0131 Chuanmin Hu, \u201cK\u00fcresel \u00f6l\u00e7ekte, makroalg bak\u0131m\u0131ndan fakir bir okyanustan makroalg bak\u0131m\u0131ndan zengin bir okyanusa do\u011fru bir rejim de\u011fi\u015fikli\u011fine tan\u0131k oluyoruz gibi g\u00f6r\u00fcn\u00fcyor.\u201d diyor.<\/p>\n
En bilinen \u00f6rnek olan B\u00fcy\u00fck Atlantik Sargassum Ku\u015fa\u011f\u0131, Meksika K\u00f6rfezi'nden Kongo Nehri a\u011fz\u0131na kadar uzayarak uzaydan g\u00f6r\u00fclebiliyor. Di\u011fer \u00e7o\u011falmalar aras\u0131nda, bu ay NASA taraf\u0131ndan g\u00f6r\u00fcnt\u00fclenen Yeni Zelanda a\u00e7\u0131klar\u0131ndaki Chatham Adalar\u0131 \u00e7evresindeki bir halka veya Florida k\u0131y\u0131lar\u0131nda ortaya \u00e7\u0131kan ve eyalet taraf\u0131ndan izlenen \u201ck\u0131rm\u0131z\u0131 gelgit\u201d yer al\u0131yor.<\/p>\n
\u00c7al\u0131\u015fmalar\u0131n\u0131n d\u00fcnyan\u0131n okyanuslar\u0131nda y\u00fczen alglerin ilk k\u00fcresel resmini sa\u011flad\u0131\u011f\u0131n\u0131 s\u00f6yleyen ekip, incelenen d\u00f6nem boyunca deniz yosunu \u00e7i\u00e7eklenmelerinin alan\u0131n\u0131n y\u0131lda\u00a0 y\u00fczde 13,4 artt\u0131\u011f\u0131n\u0131 buldu. Fitoplankton gibi mikroalg \u00e7i\u00e7eklenmeleri de artt\u0131, ancak nispeten daha m\u00fctevaz\u0131 bir oranda, y\u0131lda y\u00fczde 1.<\/p>\n
Yazarlar, “Dikkat \u00e7ekici olan, hem y\u00fczen makroalglerde hem de mikroalg tabakalar\u0131nda meydana gelen art\u0131\u015flar\u0131n \u00e7o\u011funun, 2010'dan beri h\u0131zlanan k\u00fcresel okyanus \u0131s\u0131nmas\u0131yla uyumlu olarak, son on y\u0131lda ger\u00e7ekle\u015fmi\u015f olmas\u0131d\u0131r” diye yazd\u0131lar. Farkl\u0131 okyanuslarda \u00fc\u00e7 t\u00fcr deniz yosunu i\u00e7in 2008, 2011 ve 2012 y\u0131llar\u0131nda d\u00f6n\u00fcm noktalar\u0131 belirlediler.<\/p>\n
Ancak, sargassum gibi deniz yosunlar\u0131 baz\u0131 b\u00f6lgelerde geli\u015firken, fitoplanktonlar de\u011fi\u015fen \u00e7evreye benzer tepkiler g\u00f6stermedi; bu da b\u00fcy\u00fcmelerinin s\u0131cakl\u0131k ve \u00f6trofikasyondaki de\u011fi\u015fimlere daha duyarl\u0131 olabilece\u011fini d\u00fc\u015f\u00fcnd\u00fcr\u00fcyor.<\/p>\n
Ara\u015ft\u0131rmac\u0131lar, \u201cE\u011fer durum b\u00f6yleyse, okyanus ko\u015fullar\u0131nda makroalgleri destekleyecek bir rejim de\u011fi\u015fikli\u011finin zaten ger\u00e7ekle\u015fti\u011fine inan\u0131yoruz; bu da atmosferdeki radyasyon zorlamas\u0131 ve okyanustaki \u0131\u015f\u0131k mevcudiyetinin yan\u0131 s\u0131ra karbon tutulumu, okyanus biyokimyas\u0131 ve \u00fcst okyanus istikrar\u0131 \u00fczerinde derin etkiler yaratacakt\u0131r\u201d diye yazd\u0131lar.<\/p>\n
Bulgular Nature Communications'da yay\u0131nland\u0131.<\/p>\n
<\/strong> Stockholm, 20 Ocak (Hibya) – G\u00fcney Florida \u00dcniversitesi’ndeki ara\u015ft\u0131rmac\u0131lara g\u00f6re, son yirmi y\u0131lda, tropikal Atlantik ve bat\u0131 Pasifik’te deniz yosunu patlamalar\u0131 y\u0131lda y\u00fczde 13,4 gibi \u015fa\u015f\u0131rt\u0131c\u0131 bir oranda geni\u015fledi ve en dramatik art\u0131\u015flar 2008’den sonra meydana geldi.<\/p>\n","protected":false},"author":1,"featured_media":35680,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"googlesitekit_rrm_CAow07ekDA:productID":"","footnotes":""},"categories":[12,4],"tags":[],"class_list":["post-35679","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-spor","category-dunya"],"_links":{"self":[{"href":"https:\/\/ekonomigundemi.com.tr\/index.php\/wp-json\/wp\/v2\/posts\/35679","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ekonomigundemi.com.tr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ekonomigundemi.com.tr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ekonomigundemi.com.tr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ekonomigundemi.com.tr\/index.php\/wp-json\/wp\/v2\/comments?post=35679"}],"version-history":[{"count":0,"href":"https:\/\/ekonomigundemi.com.tr\/index.php\/wp-json\/wp\/v2\/posts\/35679\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ekonomigundemi.com.tr\/index.php\/wp-json\/wp\/v2\/media\/35680"}],"wp:attachment":[{"href":"https:\/\/ekonomigundemi.com.tr\/index.php\/wp-json\/wp\/v2\/media?parent=35679"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ekonomigundemi.com.tr\/index.php\/wp-json\/wp\/v2\/categories?post=35679"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ekonomigundemi.com.tr\/index.php\/wp-json\/wp\/v2\/tags?post=35679"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\nEKONOM\u0130 GAZETES\u0130 <\/p>\n","protected":false},"excerpt":{"rendered":"