coccolithophores and their responses to changes in carbonate chemistry (end of the 90’s, the term ocean acidification did not yet exist). Even though my work has often been motivated by biogeochemical questions [...] and where nutrients and CO 2 are distributed in the ocean, which has implications for primary and bacterial production and CO 2 uptake by the ocean. In order to understand how such biogeochemical cycles [...] and carbonate chemistry parameters in the Fram Strait and the Central Arctic Ocean. To monitor such parameters in the ocean, it is common practice to analyze discrete water samples obtained e.g. by rosette

Stefan Hendricks) The Arctic Ocean Unlike at the southern tip of the planet, in the High North there is no continent, only an ocean. These waters, also known as the Arctic Ocean, extend to the northern coasts [...] Arctic Ocean is the smallest in the world. Moreover, it’s not particularly deep: just 987 metres on average, though 5,669 metres at its deepest point. Its only deep-sea connection to other oceans lies in [...] freshwater is flowing into the Arctic Ocean. This freshwater lies like a lid atop the deeper, saltier water layers. As a result, fewer nutrients from the ocean’s depths rise to the surface, while less

Frank Oliver Glöckner Challenges in Marine 'Omics: Lessons from Ocean Sampling Day The Ocean Sampling Day (OSD) was initiated by the EU “Ocean of Tomorrow” project Micro B3 (Marine Microbial Biodiversity [...] transfer of energy and recycling of matter in marine food webs. Climate change (e.g., ocean warming, acidification, changes in hydrography, etc.) is expected to have severe impacts on marine biodiversity [...] Prof Chris Bowler and the TARA Oceans consortium Ecology and Evolutionary Biology Section, Institut de Biologie de l’Ecole Normale Supérieure (IBENS), Paris, FRANCE Tara Oceans: Eco-Systems Biology at Planetary

we do about the ocean depths. Yet the deep sea is not a habitat fully separated from the surface; it is already undergoing dramatic changes in response to warmer water, ocean acidification and environmental [...] the so-called mid-oceanic ridges – volcanically active mountain chains that usually extend one to three kilometres above the seafloor and can be found in all (of) the world’s oceans. With a total length [...] standards. For another, food is harder to come by. The central Arctic Ocean is largely covered with ice and – unlike the Antarctic’s Southern Ocean – surrounded by landmasses. Exchanges with the Atlantic and Pacific

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PACOCV_4.png (Photo: Alfred-Wegener-Institut) PACOCV_1.png (Photo: Alfred-Wegener-Institut) Ocean acidification affects calcifying species, particularly those living at or near the saturation stage of the [...] complementary expedition in the frame of our time-travel into the future ocean with conditions predicted by the recent IPCC report for the oceans at the end of the century. It was the last trip within the third-part [...] Max Schwanitz, September 2017 _________________________ Stopover of our time-travel into the future ocean to investigate the growth of cold-water corals PACOCV_3.png (Photo: Alfred-Wegener-Institut) PACOCV_4

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Jelle.Bijma@awi.de
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Clara.Hoppe@awi.de
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Hans.Poertner@awi.de
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