rising and the Wadden Sea ecosystems are changing rapidly (Figure 1). At the Wadden Sea station of Sylt we have one of the most detailed and species rich marine time series in the world. The so-called Sylt [...] years, much of the work on the LTER has focused on key species and their role in habitat stability and species function. The demise of and introduction of species especially in the context of resilience [...] and taxonomical biodiversity of the North Sea, as well as the computation of flows of energy and nutrients through the system also via models. We aim to integrate the different data sets using modelling

concept for the use of the caught mitten crabs. One goal is to develop a long-term financing concept for the expansion and permanent operation of the traps. Another topic will be the development of the necessary [...] feed on other crustaceans as well. In addition to the growth rate of the animals, we also focus on the digestibility of the feed. The prototype of the trap has been in Belgium since 2019 (Photo: Alfre [...] Successful control of invasive mitten crabs with an innovative trap concept The mitten crab is on the IUCN's list of the world's 100 most dangerous invasive species. In Germany, the crab is found in large

Sargassum. The following presentation and interpretation of the results matches the order of the questionnaire. The small number of participants does not allow for representative insights about the local community [...] good, the other half of the group assessed the quality as bad or rather bad. Yet, the vast majority agreed that the quality of the coastal environment is not improving over time, indicating that the participants [...] worried about the future development of the coastal environment. Most of the participants indicated that they use the coastal environment for recreational activities and described the coast and the sea as

Spectrogram of 20060419-0814_PALAOA (Photo: OZA AWI) A silent ocean Southern Ocean with sea ice (Photo: AWI) The Southern Ocean is one of the last pristine areas of the world’s oceans. Only few fishing and [...] Examples of underwater sounds in the polar oceans Map of the Atlantic sector of the Southern Ocean with all recording positions marked in red. (Photo: OZA AWI) The sound snippets below illustrate some [...] frequently in the vicinity of Elephant Island, off the northern tip of the Antarctic Peninsula, where the 20 Hz pulse also often contains a higher frequency component around 89 Hz. Spectrogram of 20130705-

filmed thousands of nests of icefish of the species Neopagetopsis ionah on the seabed. The density of the nests and the size of the entire breeding area suggest a total number of about 60 million icefish [...] breeding at the time of observation. These findings provide support for the establishment of a Marine Protected Area in the Atlantic sector of the Southern Ocean. A team led by Autun Purser from the Alfred [...] Fascinating discovery
Near the Filchner Ice Shelf in the south of the Antarctic Weddell Sea, a research team has found the world's largest fish breeding area known to date. A towed camera system ph

little about the life of the world’s second-largest whale. That makes the findings of researchers from the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI) and the Johann [...] Antarctic Peninsula
During the era of commercial whaling, fin whales were hunted so intensively that only a small percentage of the population in the Southern Hemisphere survived, and even today, marine [...] where in the peak month of May, so many fin whale vocalizations can be heard that the individual calls merge into a veritable chorous of sound, as the research team now reports in the journal Royal Society

landmass, sending up to 150 times the flow of all the world’s rivers clockwise around the frozen continent. It connects all the other oceans, and is thought to play a key role in regulating natural climate swings [...] Southern Ocean
The Antarctic Circumpolar Current is the planet’s most powerful and arguably most important. It is the only one to flow clear around the globe without getting diverted by any landmass [...] swings that have repeatedly swept the earth for millions of years. But much is still not known about how it works, including how it might now respond to human-induced climate change.

topographic features of the study site such as the slightly more elevated region in the center of the study area reveal lower FDD. Furthermore, the exposed hillsides of5 the Brooks Range or the coastal zone are [...] pared to the neighboring ones. The Saganavirktok River does not show different FDD than the adjacent areas, despite of the valleys in the foothills of the Brooks Range. In Figure 7 the TDD for the same year [...] important for the performance of the SEB-scheme is the determination of the melt period. Figure 14 displays the melt period metrics for the sample year 2012. It displays the high spatial variation of snowmelt

AABW and AAIW north, the increase in NADW as we move north in the SW Atlantic and its reduction in the Eastern Basin of the Atlantic, and the appearance of MOW in the later part of the transect. Figure 5: [...] for the polar components of the climate system. Since 2009 he is the head of the Climate-Initiative REKLIM (Regional Climate Change) of the Helmholtz Association (HGF), in which nine centres of the HGF [...] leaving the ship, this will take the form of a short report detailing the pre-planning and execution on station of the CTD cast, the results they found and an interpretation of their findings in the context

from the shallow region of the English Channel to the Bay of Biscay, the region around the Ampère Seamount, the Cape Verde Islands and further stations in the South Atlantic up to Cape Town. The participants [...] gradually. In the morning of 10 November Polarstern entered the harbour of Las Palmas. The cruise leg PS95.2 started in the afternoon of the same day with the departure from Las Palmas towards the Cape Verde [...] lectures of the work carried out in the previous six days on the evening before and a teaching/learning period on the morning of the transfer where the outgoing groups taught the incoming students. The themes