Frederik De Laender

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Protecting Arctic ecosystems against potential adverse effects from anthropogenic activities is recognized as a top priority. In particular, understanding the accumulation and effects of persistent organic pollutants (POPs) in these otherwise pristine ecosystems remains a scientific challenge. Here, we combine more than 20,000 tissue concentrations, a food(More)
Changes in environmental conditions can impose stress that alters the structure and function of communities. However, ecologists are only starting to explore how stress can interact with dispersal. In this study, we tested how dispersal affects the structure, diversity (evenness), and function (productivity) of marine diatom communities (Bacillariophyceae)(More)
Primary production and species' lipid contents in Arctic ecosystems are notoriously seasonal. Additionally, seasonal migration patterns of fish may alter prey availability and thus diet. Taking the southern Barents Sea as a study region and PCBs as model contaminants, we examined to what extent each of these factors cause bioaccumulation in fish to change(More)
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