Luisa DüsedauAlfred Wegener Institute Helmholtz Centre for Polar and Marine Research | AWI · Department of Functional Ecology
Luisa Düsedau
Master of Science
About
7
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Introduction
I'm a marine biologist with a main focus on benthic communities. It is the scope of my PhD project to assess macroalgal biodiversity in the European Arctic and study the impacts of climate change on Arctic benthic vegetation. My study sites are Kongsfjorden (Svalbard,79°N) and Porsangerfjorden (Finnmark,70°N). I combine traditional methods (quantitative and qualitative field surveys) with modern molecular approaches (DNA barcoding and metabarcoding). My background is in experimental ecology.
Publications
Publications (7)
Seasonality is an important natural feature that drives cyclic environmental changes. Seaweed holobionts, inhabiting shallow waters such as rocky shores and mud flats, are subject to seasonal changes in particular, but little is known on the influence of seasonality on their microbial communities.
In this study, we conducted a bi-monthly, three-yea...
The Arctic archipelago of Svalbard is a hotspot of global warming and many fjords experience a continuous increase in seawater temperature and glacial melt while sea‐ice cover declines. In 1996/1998, 2012–2014, and 2021 macroalgal biomass and species diversity were quantified at the study site Hansneset, Kongsfjorden (W‐Spitsbergen) in order to ide...
Epibacterial communities on seaweeds are affected by several abiotic factors such as temperature and acidification. Due to global warming, surface seawater temperatures are expected to increase by 0.5-5 • C in the next century. However, how epibacterial communities associated with seaweeds will respond to global warming remains unknown. In this stu...
In temperate and subarctic regions of the Northern Hemisphere, green algae of the genus Blidingia are a substantial and environment-shaping component of the upper and mid-supralittoral zones. However, taxonomic knowledge on these important green algae is still sparse. In the present study, the molecular diversity and distribution of Blidingia speci...
Especially in temperate and subarctic regions of the northern hemisphere green algae of the order Blidingia are a substantial and environment shaping component of the upper- and mid-supralittoral zone. Within the present study the molecular diversity and distribution of Blidingia species within the German state of Schleswig-Holstein, including the...
Shipping has long been considered the primary vector for the introduction of non-indigenous species, although, often the specific vector was not evident. Here we investigated a newly-identified long-distance dispersal and bioinvasion vector-live passage through digestive tracts of animals (zoochory). For centuries, zoochory has escaped the attentio...
