A5070230329- Marine and fisheries research
- Climate change and permafrost
- Methane Hydrates and Related Phenomena
- Arctic and Antarctic ice dynamics
- Isotope Analysis in Ecology
- Fish Ecology and Management Studies
- Marine and coastal plant biology
- Indigenous Studies and Ecology
- Marine Bivalve and Aquaculture Studies
- Radioactivity and Radon Measurements
- Radiation Detection and Scintillator Technologies
- Peatlands and Wetlands Ecology
- Radioactive contamination and transfer
- Marine animal studies overview
- Environmental Monitoring and Data Management
- Food Industry and Aquatic Biology
- Underwater Vehicles and Communication Systems
- Cephalopods and Marine Biology
- Aquatic Invertebrate Ecology and Behavior
- Maritime Navigation and Safety
- Ichthyology and Marine Biology
- Water Quality Monitoring Technologies
- Marine Biology and Ecology Research
- Arctic and Russian Policy Studies
- Geology and Paleoclimatology Research
Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung
2016-2025
Abstract The Arctic archipelago of Svalbard is a hotspot global warming and many fjords experience continuous increase in seawater temperature glacial melt while sea‐ice cover declines. In 1996/1998, 2012–2014, 2021 macroalgal biomass species diversity were quantified at the study site Hansneset, Kongsfjorden (W‐Spitsbergen) order to identify potential changes over time. 2021, we repeated earlier studies by stratified random sampling (1 × 1 m 2 , n = 3) along sublittoral depth transect (0,...
Cabled coastal observatories are often seen as future-oriented marine technology that enables science to conduct observational and experimental studies under water year round, independent of physical accessibility the target area. Additionally, availability (unrestricted) electricity an Internet connection allows operation complex setups sensor systems for longer periods time, thus creating a kind laboratory beneath water. After successful several decades in terrestrial atmospheric research...
Oyster reefs are biodiversity hotspots with multiple ecosystem functions and services that declining worldwide. Historic populations of European oysters ( Ostrea edulis ) have been decimated by overfishing nowadays considered functionally extinct in waters. To halt reverse the associated loss, oyster reef restoration was implemented into marine conservation measures several projects started across Europe. Following ecological standards, it is crucial to identify reef-associated predators...
The continuous monitoring of radioactivity in a cabled subsea network the North Sea Observatory was performed to test performance medium resolution underwater spectrometer as well identify and assess potential anthropogenic and/or natural hazards. effectiveness is tested together with operability sensor optimized quantification methods iden-tify type activity concentration radionuclides seawater. In frame RADCONNECT project, system named GeoMAREA integrated an existing ocean observatory...
The continuous monitoring of radioactivity in a cabled subsea network the North Sea Observatory was performed to test performance medium-resolution underwater spectrometer, as well identify and assess potential anthropogenic and/or natural hazards. effectiveness tested together with operability sensor, quantification methods were optimized type activity concentration radionuclides seawater. In frame RADCONNECT project, system named GeoMAREA integrated into an existing ocean observatory...
Abstract. A combined year-round assessment of selected oceanographic data and a macrobiotic community was performed from October 2013 to November 2014 in the littoral zone Kongsfjorden polar fjord system on western coast Svalbard (Norway). State art remote controlled cabled underwater observatory technology used for daily vertical profiles temperature, salinity, turbidity together with stereo-optical community, including fish. The results reveal distinct seasonal cycle total species...
Abstract. A combined year round assessment of selected oceanographic data and a macrobiotic community was performed from October 2013 to November 2014 in the littoral zone polar fjord systems Kongsfjorden on west coast Svalbard (Norway). state art remote controlled cabled underwater observatory technology used for daily vertical profiles temperature, salinity turbidity together with stereo-optical community, including fish. The results reveal distinct seasonal cycle total species abundances...
Abstract Although Atlantic cod has been observed in Svalbard waters since the 1880s, knowledge about presence Arctic shallow water zone is limited. The regular catch of juvenile Kongsfjorden 2008 line with an overall northward shift boreal fish species toward Arctic. This first study showing age class composition, growth rates, and stomach content Kongsfjorden, Svalbard. From 2012 to 2014 a total 721 specimens were sampled 3 12 m depth. primary classes identified as 0+, 1+, 2+ using otolith...
Aquatic research is often recognized as the last real adventure with dedicated scientists sailing on famous vessels to even remotest areas like Arctic or Antarctica taking samples highly sophisticated scientific equipment. Such cruises more, in submarines ROVs are eye-catchers and get a high level of attention scientific, public political community. In contrast, there comparatively small group which indeed physically enter aquatic ecosystem do science - diving...
The Arctic archipelago of Svalbard is a hotspot global warming and many fjords experience continuous increase in seawater temperature glacial melt while sea-ice cover declines. In 1996/98 2012-14 macroalgal biomass species diversity were quantified at the study site Hansneset, Kongsfjorden (W-Spitsbergen) order to identify potential changes over time. 2021, we repeated earlier studies by stratified random sampling (1x1 m2, n=3) along sublittoral depth transect (0, 2.5, 5, 10 15m)...