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Senckenberg – Leibniz Institution for Biodiversity and Earth System Research // Senckenberg Gesellschaft für Naturforschung Senckenberganlage 25 60325 Frankfurt, Germany http://www.senckenberg.de
Contact Ms Judith Jördens +49 69 75421434

Lebensraum Manganknolle

Abbau von Manganknollen bedroht Artenvielfalt in der Tiefsee

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Senckenberg- Wissenschaftler haben mit einem internationalen Team die möglichen Auswirkungen des Manganknollen-Abbaus auf die Artenvielfalt erforscht. Während ihrer Expedition mit dem Forschungsschiff SONNE konnten die Meeresforscher anhand von Videoaufnahmen zeigen, dass die Individuenzahl in Gebieten mit Manganknollen um ein Zweifaches höher ist als in Tiefseebereichen ohne die erzhaltigen Konkretionen. Die Auswirkungen eines Abbaus sind zudem noch knapp 40 Jahre später deutlich sichtbar. Die Studie wurde heute im Nature-Journal "Scientific Reports" veröffentlicht.

Die Nachfrage nach mineralischen Ressourcen steigt weltweit kontinuierlich. Daher ist es kaum verwunderlich, dass auch die Tiefsee nach Erzen, wie Nickel, Kupfer oder Kobalt erkundet wird. Diese wertvollen Mineralien
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