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Marine Ecology

 

Are marine ecosystems headed toward a new productivity regime?

Model calculations suggest massive changes in the oceans’ more distant future

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Vampire squid Vampyroteuthis infernalis. © 2012 MBARI
 

Vampire Squid: The first Time is not the last Time

New study in Current Biology shows multiple reproductive cycles of deep-sea squid

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Brachiopod Paraspirifer bownockeri from the Middle Devonian of Ohio (USA); width: 5,6 centrimetre. photo: U. Jansen, Senckenberg-Museum, Frankfurt on the Main.
 

500 Million Years of Ocean History

GEOMAR coordinates European research and training project BASE-LiNE Earth

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Cool deep-water protects coral reefs against heat stress

Internal waves mitigate the increase in water temperatures in the Andaman Sea

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Scheme of the tropical Pacific: Strong growth of plankton (1) leads to a high oxygen consumption and extended oxygen minimum zones (2). Ocean currents (3) at a few hundred meters depth provide an influx of oxygenated water from the subtropics (4). Fluctuations of the trade winds (5) influence the strength of these currents. Graphics: Claus Böning, Markus Scheinert, GEOMAR
 

Trade Winds ventilate the Tropical Oceans

Kiel marine scientists find explanation for increasing oxygen deficiency

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Since 1957 biological, chemical and physical data are regularly time measured at the time series station Boknis Eck. Photo: J. Steffen, GEOMAR
 

Baltic Sea: Climate Change counteracts decline in eutrophication

GEOMAR scientists publish the first comprehensive analysis of the time series station Boknis Eck

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The bladderwrack Fucus vesiculosus. Photo: M. Wahl, GEOMAR
 

Bladderwrack: Tougher than suspected

GEOMAR biologists show a functioning defense system in Fucus vesiculosus despite environmental changes

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