{"id":19,"date":"2007-10-18T23:44:38","date_gmt":"2007-10-18T21:44:38","guid":{"rendered":"http:\/\/www.wetter-center.de\/blog\/?p=19"},"modified":"2007-10-19T00:08:00","modified_gmt":"2007-10-18T22:08:00","slug":"klimawandel-bedroht-lebewesen-der-ozeane","status":"publish","type":"post","link":"https:\/\/www.wetter-center.de\/blog\/klimawandel-bedroht-lebewesen-der-ozeane\/","title":{"rendered":"Klimawandel l\u00e4sst Ozeane versauern"},"content":{"rendered":"<p>Neuste Forschungen an <strong>Korallenriffen <\/strong>zeigen, dass der <strong>S\u00e4uregehalt <\/strong>der Ozeane in den letzten 50 Jahren deutlich gestiegen ist. Nach Angabe von <a href=\"http:\/\/www.sciencedaily.com\/releases\/2007\/10\/071017102133.htm\" target=\"_blank\">Professor Malcolm McCulloch<\/a> von der Australian National University sank der mittlere ph-Werte <strong>um etwa 0,3<\/strong>, wobei die Versauerung in kaltem Wasser st\u00e4rker ist als in tropischen Regionen.<\/p>\n<p>Das liegt daran, dass vermehrt <strong>Kohlendioxid <\/strong>im Ozean gel\u00f6st wird. Die Wissenschaftler sind \u00fcber die Schnelligkeit dieses Ph\u00e4nomens \u00fcberrascht, bisher rechnete man mit einer deutlich langsameren Versauerung. Diese k\u00f6nnte nun verst\u00e4rkt zu einer Bedrohung von <strong>Meereslebewesen <\/strong>werden, die gr\u00f6\u00dftenteils aus <strong>Kalk <\/strong>bestehen. Diese machen \u00fcber 30 Prozent der Population der Meere aus. Vor allem Plankton und Korallen sind betroffen, Lebewesen, die zudem noch am <strong>Anfang der Nahrungskette<\/strong> stehen.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.sciencedaily.com\/images\/2007\/10\/071017102133.jpg\" align=\"left\" border=\"0\" height=\"225\" hspace=\"3\" vspace=\"0\" width=\"300\" \/><\/p>\n<p>Bei Korallen konnte bereits ein R\u00fcckgang der Kalkbildung in den letzten 20 Jahren nachgewiesen werden. Bei einem Anstieg des CO2-Gehaltes in der Atmosph\u00e4re auf <strong>500 ppm <\/strong>(parts per million) rechnen Forscher mit einem <strong>Zusammenbruch der Prozesse der Kalkbildung <\/strong>im Ozean. Derzeit betr\u00e4gt der CO2-Gehalt noch 385 ppm, ist aber im Vergleich zu 1960er Jahren bereits um 80 ppm gestiegen.<\/p>\n<p>Auch das <strong>Plankton <\/strong>ist gef\u00e4hrdet, die Nahrungsquelle f\u00fcr Fische und Wale. Die globale Erw\u00e4rmung k\u00f6nnte somit auch f\u00fcr die Meere \u00e4u\u00dferst fatale Folgen haben.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Neuste Forschungen an Korallenriffen zeigen, dass der S\u00e4uregehalt der Ozeane in den letzten 50 Jahren deutlich gestiegen ist. Nach Angabe von Professor Malcolm McCulloch von der Australian National University sank der mittlere ph-Werte um&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-19","post","type-post","status-publish","format-standard","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Klimawandel l\u00e4sst Ozeane versauern - Wetter-Center.de<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wetter-center.de\/blog\/klimawandel-bedroht-lebewesen-der-ozeane\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Klimawandel l\u00e4sst Ozeane versauern - Wetter-Center.de\" \/>\n<meta property=\"og:description\" content=\"Neuste Forschungen an Korallenriffen zeigen, dass der S\u00e4uregehalt der Ozeane in den letzten 50 Jahren deutlich gestiegen ist. 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