A5080628874- Marine and coastal plant biology
- Marine Biology and Ecology Research
- Marine and coastal ecosystems
- Coastal wetland ecosystem dynamics
- Polar Research and Ecology
- Algal biology and biofuel production
- Ocean Acidification Effects and Responses
- Coral and Marine Ecosystems Studies
- Biocrusts and Microbial Ecology
- Arctic and Antarctic ice dynamics
- Marine Bivalve and Aquaculture Studies
- Food Industry and Aquatic Biology
- Isotope Analysis in Ecology
- Microbial Community Ecology and Physiology
- Methane Hydrates and Related Phenomena
- Seaweed-derived Bioactive Compounds
- Climate change and permafrost
- Lichen and fungal ecology
- Marine Biology and Environmental Chemistry
- Diatoms and Algae Research
- Photosynthetic Processes and Mechanisms
- Marine and environmental studies
- Aquatic Ecosystems and Phytoplankton Dynamics
- Bryophyte Studies and Records
- Indigenous Studies and Ecology
University of Bremen
2016-2025
Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung
1998-2022
Universidad de Málaga
2014
FH Aachen
2012
Leibniz Centre for Tropical Marine Research
2007-2009
Fahrenheit (Germany)
2008-2009
Kiel University
2006-2007
University of Groningen
2002-2003
University of Bergen
2002
University of Oslo
2002
Kongsfjorden-Krossfjorden and the adjacent West Spitsbergen Shelf meet at common mouth of two fjord arms. This paper presents our most up-to-date information about physical environment this system identifies important gaps in knowledge. Particular attention is given to steep gradients along main axis, as well seasonal environmental changes. Physical processes on different scales control large-scale circulation small-scale (irreversible) mixing water its constituents. It shown that, addition...
Kongsfjorden is a glacial fjord in the Arctic (Svalbard) that influenced by both Atlantic and water masses harbours mixture of boreal flora fauna. Inputs from large tidal glaciers create steep environmental gradients sedimentation salinity along length this fjord. The inputs cause reduced biomass diversity benthic community inner Zooplankton suffers direct mortality outflow primary production because limited light levels turbid, mixed waters. magnitude effects diminishes towards outer an...
This review about the genus Laminaria sensu lato summarizes extensive literature that has been published since overview of given by Kain in 1979. The recent proposal to divide into two genera and Saccharina is acknowledged, but data are discussed under a 'sensu lato' concept, introduced here. includes all species which have considered be 'Laminaria' before division genus. In detail, after an introduction covers insights phylogeny taxonomy, discusses morphotypes, ecotypes, population genetics...
Article An Inventory of UV-Absorbing Mycosporine-Like Amino Acids in Macroalgae from Polar to Warm-Temperate Regions was published on January 1, 1998 the journal Botanica Marina (volume 41, issue 1-6).
The Arctic climate is changing rapidly. warming and resultant longer open water periods suggest a potential for expansion of marine vegetation along the vast coastline. We compiled reviewed scattered time series on explored trends macroalgae eelgrass ( Zostera marina ). identified total 38 sites, distributed between coastal regions in Alaska, Canada, Greenland, Iceland, Norway/Svalbard, Russia, having extending into 21st Century. majority these exhibited increase abundance, productivity or...
AB Aquatic Biology Contact the journal Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout JournalEditorsTheme Sections 22:261-279 (2014) - DOI: https://doi.org/10.3354/ab00581 Theme Section: Environmental forcing of aquatic primary productivity REVIEW Ocean acidification effects on calcifying macroalgae Laurie C. Hofmann*, Kai Bischof Marine Botany, Bremen Ecology Centre for Research and Education, University Bremen, Leobener Str. NW2, 28359 Germany...
Abstract Kelps act as ecosystem engineers on many polar rocky shore coastlines. The underwater light climate and temperature are the main drivers for their vertical latitudinal distribution. With temperatures rising globally, an Arctic expansion of temperate kelp species accelerating glacial melt is predicted. It was our aim to investigate effects retreating glaciers potential habitat kelps in fjords. We analyzed areas being influenced by different stages retreat (sea‐terminating glacier,...
Abstract Fjord systems are transition zones between land and sea, resulting in complex dynamic environments. They of particular interest the Arctic as they harbour ecosystems inhabited by a rich range species provide many societal benefits. The key drivers change European (i.e., Greenland, Svalbard, Northern Norway) fjord socio-ecological reviewed here, structured into five categories: cryosphere (sea ice, glacier mass balance, glacial riverine discharge), physics (seawater temperature,...
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,...
MEPS Marine Ecology Progress Series Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout JournalEditorsTheme Sections 197:217-229 (2000) - doi:10.3354/meps197217 Impact of UV-radiation on viability, photosynthetic characteristics and DNA brown algal zoospores: implications for depth zonation Christian Wiencke1,*, Iván Gómez1,**, Hans Pakker2, Antonio Flores-Moya3, María Altamirano3, Dieter Hanelt1, Kai Bischof1, Félix L....
1 The UV susceptibility of zoospores the brown seaweeds Saccorhiza dermatodea, Alaria esculenta and Laminaria digitata (Laminariales) was determined in field experiments June 2004 on Spitsbergen (78°55′ N, 11°56′ E). 2 Freshly released were exposed for or days at various water depths to ambient solar radiation, radiation depleted UVB (UVBR) both UVBR UVAR. Subsequently, germination rates after exposure favourable light temperature conditions laboratory. 3 regime monitored surface column...