RESTORE Restoration of European oyster ( Ostrea edulis ) stocks in the German North Sea Project duration: 2016 – 2025 Within the framework of the testing and development project (german: “Erprobungs- und [...] procedures for sustainable stock restoration of the European oyster Ostrea edulis in the German North Sea are being developed for the first time, as well as implemented and tested in practice on a model [...] develop a comprehensive restoration program aiming to reestablish, at selected sites of the German North Sea, healthy populations of the highly endangered oyster species, as well as the oyster reef ecosystem

endangered species in Europe, and of the oyster reef ecosystem at selected sites in the German North Sea. The following objectives are in focus: Establish a pilot oyster reef in the “Borkum Reef ground” [...] technologies Development of a work frame for further oyster restoration measures in the German North Sea Exclusive Economic Zone (guideline) Pilot tests in the nature reserve “Helgoländer Felssockel” The [...] rates to those in the RESTORE preliminary study ? Are they adapted to the new habitat in the deep North Sea? Do they survive there? When do the oysters reach sexual maturity? In addition to the oysters themselves

scientific and technological bases for the restoration of European oyster stocks in the German North Sea need to be developed. Following the given framework of nature conservation laws, a variety of t [...] reef for further investigations on a successful restoration of the European oyster in the German North Sea was established in summer 2020, as part of the next phase, the RESTORE main project . Supported [...] spring 2017, European oysters were put inside oyster cages, and deployed in the offshore maritime area north of the island of Helgoland. An additional site within in the MarGate research field off Helgoland

on their doorstep and exploring the question of how climate change is altering the Wadden Sea and the North Sea in the long term.

2001, Prof Karen Wiltshire began investigating changes in the ecosystems of the North Sea, particularly in the Wadden Sea, in connection with anthropogenic and natural influences – like climate change – [...] Director of the AWI’s Biological Institute Helgoland. After working more than two decades in the High North, she assumed a new position at Trinity College Dublin and will found a new climate institute in the

01.024 Krüger et al., 2020: Mapping of Eastern North Atlantic Ocean seismicity from Po/So observations at a mid-aperture seismological broad-band deep sea array, doi: 10.1093/gji/ggaa054 Laigle et al., [...] 2011: Continent-ocean-transition across a trans-tensional margin segment: off Bear Island, Barents Sea, doi: 10.1111/j.1365-246X.2010.04873.x Dannowski et al., 2020: Seismic evidence for failed rifting [...] B019100 Dessa et al., 2011: The GROSMarin experiment: three dimensional crustal structure of the North Ligurian margin from refraction tomography and preliminary analysis of microseismic measurements,

E. Flüh Ligurian Sea C 04/2008-10/2008 5 13 SCHOLTE II M. Thorwart North Sea A 10/2008-10/2008 5 14 EXUPERY T. Dahm Azores C 04/2009-09/2009 3 15 NADLAS W. Geissler Norw.-Greenl. Sea C 08/2009-08/2009 [...] C 08/2020-07/2021 8 47 UPFLOW A. Ferreira North Atlantic P 07/2021-08/2022 32 48 ZAFRAN N. Augustin Red Sea P 11/2021-11/2022 12 49 DICTUM C. Thomas North Sea P 07/2022-09/2022 1 50 ALOIS V. Schlindwein [...] 24 16 TOPO-MED I. Grevemeyer Mediterranean Sea P 08/2009-07/2010 8 17 NOGES K. Brensing Baltic Sea P 10/2009-02/2010 1 18 WACOM K. Gohl Amundsen Sea A 03/2010-03/2010 6 19 NARES W. Jokat Nares Strait

5.6 6.3 AUG 2 Sea ice survey along 55W meridian from Lincoln Sea to 86N 6.3 7.0 AUG 3 Sea ice survey to 86N 22W (including radiation sensor calibration squares at start) 5.1 5.7 AUG 7 Sea ice survey to [...] w.awi.de/en/science/climate-sciences/sea-ice-physics/projects/ice-bird.html www.awi.de/en/focus/sea-ice/remote-sensing.html www.awi.de/en/focus/sea-ice/remote-sensing.html Operations and [...] from the Greenland coast north to 85.2N. This included measurements of very rough and deformed MYI in the Lincoln Sea. The ARCSIX aircraft was also surveying in the Lincoln Sea on the same day. On 3rd August

serve to record ongoing changes in ecosystems. Long-term ecological observations of the North Sea and the Wadden Sea have been collected and analysed at the marine stations on Helgoland and Sylt of the Alfred [...] most important tools for understanding long-term responses and interactions of the North Sea and the adjacent Wadden Sea to anthropogenic and natural changes, not only for employees of the Coastal Ecology [...] climate change. For example, the long-term data of the marine stations has shown that the North Sea and the Wadden Sea have become significantly warmer than the mean global temperature increase over recent

Research finally have an explanation for why: Due to unusual atmospheric pressure conditions over the North Atlantic, low-pressure areas are diverted from their usual track, which disrupts the coupling between [...] an important step toward refining climate models and more accurately predicting the fate of Arctic sea ice in the face of progressing climate change.