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Marine Ecology

Changes of dissolved oxygen in the global ocean in percent. Graphic: GEOMAR

Global Ocean De-Oxygenation Quantified

The first in-depth study on the observed global ocean oxygen content was just published by Kiel scientists in Nature.


A small change with a large impact

Mesocosm experiment reveals how community interactions amplify the response of a calcifying phytoplankton species to ocean acidification

Brain corpuscles Diploria strigosa. Such corals were studied for the current study. Photo: Steffen Hetzinger, GEOMAR

The Coral Thermometer Needs to be Readjusted

El Niños and other stressors can influence climate archives


Photo exhibition about ocean acidification premiered at GEOMAR

Solvin Zankl and Nick Cobbing provide insight into a fascinating field of research


Ocean Acidification threatens cod recruitment in the Atlantic

International team of researchers led by GEOMAR finds increased larvae mortality


Rising water temperatures and acidification affect important plankton organism

First laboratory study reveals effects of two environmental factors on copepods


Double whammy for important Baltic seaweed

Environmental impacts must be considered in combination