{"id":72405,"date":"2021-09-21T22:08:00","date_gmt":"2021-09-21T19:08:00","guid":{"rendered":"http:\/\/life.karpat.in.ua\/?p=72405"},"modified":"2021-09-30T23:28:55","modified_gmt":"2021-09-30T20:28:55","slug":"felere-csokkent-a-vilag-korallzatonnyal-boritott-terulete-az-1950-es-evek-ota","status":"publish","type":"post","link":"https:\/\/life.karpat.in.ua\/?p=72405&lang=hu","title":{"rendered":"Az 1950-es \u00e9vek \u00f3ta fel\u00e9re cs\u00f6kkent a vil\u00e1g korallz\u00e1tonnyal bor\u00edtott ter\u00fclete"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">T\u00f6bb ezer kutat\u00e1s elemz\u00e9se ut\u00e1n der\u00fclt ki, hogy a t\u00falhal\u00e1szat, a bolyg\u00f3 meleged\u00e9se, a k\u00f6rnyezetszennyez\u00e9s \u00e9s az \u00e9l\u0151helyek pusztul\u00e1sa miatt fel\u00e9re cs\u00f6kkent a vil\u00e1g korallz\u00e1tonnyal bor\u00edtott ter\u00fclete az 1950-es \u00e9vek \u00f3ta.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"579\" src=\"http:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/09\/korallzatony-pusztulas-1024x579.png\" alt=\"\" class=\"wp-image-72406\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/09\/korallzatony-pusztulas-1024x579.png 1024w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/09\/korallzatony-pusztulas-300x170.png 300w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/09\/korallzatony-pusztulas-768x434.png 768w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/09\/korallzatony-pusztulas-1536x868.png 1536w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/09\/korallzatony-pusztulas.png 1592w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Az Ausztr\u00e1li\u00e1n\u00e1l 2300 kilom\u00e9ter hosszan elny\u00fal\u00f3 Nagy-korallz\u00e1tonyt\u00f3l kezdve az Indiai-\u00f3ce\u00e1nban l\u00e9v\u0151 Saya de Malha z\u00e1tonyig minden\u00fctt cs\u00f6kken a korallz\u00e1tonyok \u00e9s a k\u00f6r\u00fcl\u00f6tt\u00fck \u00e9l\u0151, t\u00e1mogatott halfajok sz\u00e1ma. Ez a cs\u00f6kken\u00e9s v\u00e1rhat\u00f3an tov\u00e1bb folytat\u00f3dik, ahogy a bolyg\u00f3 tov\u00e1bb melegszik a 21. sz\u00e1zadban \u2013 \u00edrja a The Guardian.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A jelent\u00e9s 87 orsz\u00e1g 14 705, korallz\u00e1tonyokkal foglalkoz\u00f3 kutat\u00e1s\u00e1t elemzi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A One Earth c\u00edm\u0171 tudom\u00e1nyos lapban bemutatott tanulm\u00e1ny eredm\u00e9nyei szerint a korallz\u00e1tonyokon \u00e9l\u0151 fajok diverzit\u00e1sa t\u00f6bb mint 60 sz\u00e1zal\u00e9kkal cs\u00f6kkent, a z\u00e1tonyokkal bor\u00edtott ter\u00fcletek \u00f6sszm\u00e9rete pedig nagyj\u00e1b\u00f3l megfelez\u0151d\u00f6tt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A korallz\u00e1tonyok alapvet\u0151 \u00e9lelemforr\u00e1st jelentenek vil\u00e1gszerte t\u00f6bbmilli\u00f3 ember, k\u00fcl\u00f6n\u00f6sen a szigetek \u0151slakos k\u00f6z\u00f6ss\u00e9gei sz\u00e1m\u00e1ra, ahol a halak jelentik az \u00e1llati feh\u00e9rj\u00e9k els\u0151sz\u00e1m\u00fa forr\u00e1s\u00e1t. A kutat\u00f3k szerint a visszaes\u00e9s miatt n\u00f6vekszik az \u00e9lelmiszerstabilit\u00e1s cs\u00f6kken\u00e9se miatti aggodalom.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e1r a 3582 z\u00e1tonyr\u00f3l sz\u00f3l\u00f3 adathalmaz csak az 1957 \u00e9s 2007 k\u00f6z\u00f6tti id\u0151szakra vonatkozik, a tud\u00f3sok biztosak abban, hogy a glob\u00e1lis trend folytat\u00f3dik a korallfeh\u00e9red\u00e9s, a betegs\u00e9gek \u00e9s az \u00e9l\u0151helyek megzavar\u00e1sa miatt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A kutat\u00e1st vezet\u0151 Tyler Eddy, az \u00daj-Fundlandi Memorial Egyetem tud\u00f3sa elmondta, hogy b\u00e1r orsz\u00e1gos szinten r\u00e9g\u00f3ta \u00e9szlelt\u00e9k a korallz\u00e1tonyok \u00f6kosziszt\u00e9m\u00e1inak cs\u00f6kken\u00e9s\u00e9t, meglep\u0151 a glob\u00e1lis cs\u00f6kken\u00e9s m\u00e9rt\u00e9ke.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A szak\u00e9rt\u0151 szerint a korallz\u00e1tonyok a bolyg\u00f3 leg\u00e9rz\u00e9kenyebb \u00f6kosziszt\u00e9m\u00e1i, \u00e9s ezek az els\u0151k, amelyek val\u00f3ban megtapasztalj\u00e1k a kl\u00edmav\u00e1ltoz\u00e1s hat\u00e1sait. A legnagyobb visszaes\u00e9s P\u00e1pua-\u00daj-Guine\u00e1ban, Jamaica \u00e9s Belize t\u00e9rs\u00e9g\u00e9ben t\u00f6rt\u00e9nt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A fajok \u00f6sszet\u00e9tele is megv\u00e1ltozott bizonyos ter\u00fcleteken: cs\u00f6kkent a h\u0151m\u00e9rs\u00e9kletre \u00e9rz\u00e9keny fajok sz\u00e1ma, domin\u00e1nss\u00e1 v\u00e1ltak az ellen\u00e1ll\u00f3bb fajok.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A karibi t\u00e9rs\u00e9gben a korallz\u00e1tonyok kiterjed\u00e9se \u00e9vente mintegy 0,25 sz\u00e1zal\u00e9kkal cs\u00f6kkent, 2017-ben a tengerfen\u00e9knek csak mintegy 10 sz\u00e1zal\u00e9k\u00e1n voltak \u00e9l\u0151 korallok.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201eAz elm\u00falt \u00e9vekben a karibi z\u00e1tonyokat hurrik\u00e1nok \u00e9s \u00faj betegs\u00e9gek puszt\u00edtott\u00e1k, mindkett\u0151 az \u00f3ce\u00e1n meleged\u00e9s\u00e9hez k\u00f6thet\u0151\u201d \u2013 mondta John Bruno, az \u00c9szak-Karolinai Egyetem tengerbiol\u00f3gusa, a kutat\u00e1s t\u00e1rsszerz\u0151je.<\/p>\n\n\n\n<p class=\"has-text-align-right wp-block-paragraph\">(<a rel=\"noreferrer noopener\" href=\"https:\/\/www.origo.hu\/tudomany\/20210920-felere-csokkent-a-vilag-korallzatonnyal-boritott-terulete-az-1950es-evek-ota.html\" target=\"_blank\">Origo<\/a>)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&lt;!&#8211; translatorid:vik3255 &#8211;><\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u00f6bb ezer kutat\u00e1s elemz\u00e9se ut\u00e1n der\u00fclt ki, hogy a t\u00falhal\u00e1szat, a bolyg\u00f3 meleged\u00e9se, a k\u00f6rnyezetszennyez\u00e9s \u00e9s az \u00e9l\u0151helyek pusztul\u00e1sa miatt fel\u00e9re cs\u00f6kkent a vil\u00e1g korallz\u00e1tonnyal bor\u00edtott ter\u00fclete az 1950-es \u00e9vek \u00f3ta.<\/p>\n","protected":false},"author":5,"featured_media":72406,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,49,598,39],"tags":[13952],"class_list":["post-72405","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cikkek","category-hirek","category-tudomany","category-vilag","tag-korallzatony"],"_links":{"self":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/72405","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=72405"}],"version-history":[{"count":0,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/72405\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/media\/72406"}],"wp:attachment":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=72405"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=72405"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=72405"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}