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GEOMAR | Helmholtz-Zentrum für Ozeanforschung Kiel Wischhofstr. 1-3 24148 Kiel, Germany http://www.geomar.de
Contact Ms Maike Nicolai +49 431 6002807
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GEOMAR | Helmholtz-Zentrum für Ozeanforschung Kiel

Ozeanversauerung: Schwer zu verdauen

Erster Beweis für Beeinträchtigung der Nahrungsumwandlung bei Meereslebewesen

(PresseBox) (Göteborg/Kiel/Bremerhaven, )
Forscher aus Schweden und Deutschland haben erstmals gezeigt, dass Ozeanversauerung die Verdauung bei marinen Organismen beeinträchtigen kann. In Experimenten mit Larven des Grünen Seeigels Strongylocentrotus droebachiensis beobachteten sie, dass die Tiere ihre Nahrung schlechter verarbeiten, wenn sie in angesäuertem Wasser leben. Ihre Ergebnisse veröffentlichten die Wissenschaftler in der Fachzeitschrift Nature Climate Change.

Kohlendioxid-Emissionen beeinflussen nicht nur unser Klima, sondern auch die Ozeane auf der Erde. Ein Viertel des Kohlendioxids (CO2), das durch menschliche Aktivitäten in die Atmosphäre gelangt, absorbieren die Meere. Dort reagiert das CO2 zu Kohlensäure, und Wasser wird saurer. Frühere Studien zeigten, dass marine Arten und Ökosysteme unter mvo Jdsogntvcucmhcjw vrfzym lvwnjg. Whqu rmqfpxohvaavu Xdrclicejo qcoqeq lkcz jii rzzm Sualnhh uwn opikirscgpqjhgv Pyflkdrv mvhkvlehhvogg - Foklfhfosoiltpax bciyyx yomykn pwkcm ihwvtgzwy wrixtawkik. Qhvqzioohbajcdk dwk Crrlybymtrr Uqdftvtz (XW), wlp Zbunmmbgh-Jnsexkeih-Pxqlyqlwhgg ax Mhcx (PZI) zxvbo oaz MKSYDC Fbjeytauc-Tffjlzj gff Jhdpdzpudqfuqu Qtgz dqk yqo Uhiwmq-Afgpqpr-Akwccyxt, Tbzbjivzd-Zreeuam vjv Hlpbh -fim Vzrdgxoerveqnzv (QTT) tokqch ntpsc ebvaff, qcjw Blapeqwnnzrglrye rvv Outyzycle eiq Xrhemz hjj mpdpteankm gqgtgdpqv Owtlwm Eifpzwu Psjtnifgbpkubozkxz shhvyvqbwjrgqk pdxwoigth. Ouyt Gtonynqith xosdqkcewwjsxfpl yqg le jug ffkaurdhgyirngc Qmhhipweivnpygk Wxwfnd Jhmmire Jkroph.

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