studies in biology at the University of Bremen and then returned to the AWI and especially to the labs. Here, the supervision of our microalgal stock culture collection, the realization of lab experiments on [...] content are also part of the spectrum of my tasks in the group, besides the preparation of expeditions and ordering logistics. "What will happen tomorrow?" is an important question for me, not just regarding [...] faster than the global average. The influx of warm Atlantic water and the rapid melting of glaciers, releasing sediments and freshwater, make Svalbard a unique place to study the effects of climate change

northeast coast of Greenland. A set of calibration squares for the radiation sensors were performed at the beginning of the flight. Figure 3. Opening up of the flaw lead north of Station Nord between 16th July [...] acquired by the mooring IPS framforum.com/2023/02/28/sustainable- development-of-the-arctic-ocean/. The R/V KPH was servicing the mooring and completing a sea ice station at the time of our flight [...] applied to the profiles. Summary of activities between August 8th and 16th Unfortunately, poor weather (low clouds and fog) in the block prevented further surveys out of STN during the final week of the campaign

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

thermal environment of the mother has a strong influence on the fitness of the offspring in a matching environment. Mechanistically the plastic adaptation is linked to higher efficiency of the mitochondrial [...] between environment of the parents and of the offspring exists, it can be a selective advantage to transfer information about phenotypically plastic traits to the offspring. We investigate the epigenetic mechanisms [...] mechanisms of transgenerational plasticity (TGP) in the context of ocean warming and performance in a marine population of the threespine stickleback (Gasterosteus aculeatus), and could show that the thermal

time-scales, the spatial extent of the variations is increasing (space-time structure) Correlation of interannual temperature variations in Brussels with temperature variations in the rest of the world in a climate [...] basis for the quantitative use of paleoclimate records. The instrumental record is only a snapshot of our climate record. Two recent advances allow a deeper use of the paleo-record: (1) the increased [...] itut) Lake & Sea ice algae Lake & Sea-ice algae The seasonal extent and properties of Arctic ice on land and in the ocean determine the efficacy of the albedo feedback mechanism causing arctic climate

constant of proportionality. • c, the concentration of the absorbing species within the sample. • l, the length of the optical path traveled by light, that is, the length of the path within which the light [...] represent, respectively, the start date of the period of interest, the date that is used during the loop, and the end date of the period of interest. The cycle begins by assigning cdate the same value as sdate [...] between the different types of plankton and the rest of the oceanic food web is offered by Figure 2 below. Figure 2 | Model of interactions between the different types of plankton and the rest of the oceanic

use, impacted on the global carbon cycle resulting in the additional release of carbon, mainly in the form of CO2, and in the perturbation of the long-estabilished equilibrium of the natural carbon cycle [...] increases. The effectiveness of the solubility pump relies on the contrast between the large volume of the deep ocean that is ventilated by cold polar water masses and the relatively smaller volume of the oceanic [...] tification. 1.4 Thesis objectives The aim of this work is the estimation of the contribution of streamers to the lateral transport of biomass from the shelf domain to the open ocean. Only observational data

exchange, the rise and the lowering of the cage needs sufficient stops to prevent barotrauma of the fish. The sea bass can tolerate temperatures in the North Sea, but the average temperature of 10 ° C in [...] flow velocities of 5-10 cm s -1 for optimal nutrient and CO 2 exchange on the surface of the thalli, as well as for the reduction of growth of epiphyts. In strong currents, the thalli of macroalgae become [...] materials. Cod is one of the species with the highest rate of the escapees, which can have a negative impact on the wild population by cross-breeding. The extreme temperature tolerance range of -1 ° C to 23 °

and cold spells and the overall abundance of Gadus morhua in the Kongsfjorden system? the 2017 cohort • However, we found a significant effect of heat waves on the average growth of Gadus morhua in extreme [...] underwater sensor carrier system profiling between the ground (12m) and the surface. The A year-round operated shallow water observatory in front of the Old Pier in Ny Ålesund inaugurated in 2012. A FerryBox [...] maintenance of the Kongsfjorden Underwater Observatory Installation of setups and experiments What is measured? Daily routine measurements (incl. vertical profiles) • Continuous measurements of the main hy

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