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Previous studies have shown that South Polar Skua is one of the Antarctic species with the highest levels of biomagnified pollutants, which for some substances are just as high as for Arctic species. This is in spite of Antarctic areas being far more remote and untouched by humans than the Arctic.
Only few studies in the Canadian arctic have studied the transport of marine pollution from seabirds to terrestrial communities in Svalbard, and to our knowledge no studies have been undertaken on Svalbard, although toxicological effect has been found in fish from affected lakes.
In this project we seek to have a better overview of how herring gulls are affected by living in an urban area compared to a rural area.
The life history of any given individual is defined by its ability to survive and reproduce over the course of its lifetime. Differences in life history traits can determine how animals acquire resources in the form of energy and allocate them towards different life history traits such as growth and reproduction. Most organisms store their energy within lipids and this becomes particularly important in the Arctic, where seasonal variation influences resource availability and energy utilisation. For example, during periods of limited prey availability, organisms may have to depend on internal energy reserves in order to sustain themselves through a winter season.
Energy release from lipid storages is especially important to consider when it comes to the bioaccumulation of contaminants. While some contaminants are associated with proteins, many contaminants are lipid soluble, including persistent organic pollutants (POPs).
Seabirds in Polar Regions are experiencing increasing environmental stress due to climate change and pollution. They also serve as indicator species for changes in the environment. But what do they tell us about how seabird populations are affected by contaminants and climate, and is the situation the same in Antarctica as in the Arctic?
The Centre for Ecological and Evolutionary Synthesis (CEES) combines a broad spectrum of disciplines (such as population biology, statistical and mathematical modelling, and genomics) to foster the concept of ecology as a driving force of evolution via selective processes, with a corresponding influence of evolutionary changes on ecology.
Some of the species we work with are easiest attained before onset of winter. With summer rapidly coming to an end, Jan and I went to Drøbak this week to sample copepods and threespine sticklebacks.
22nd of August, Katrine, Danny and myself went for a short two-day trip of intensive networking in Sweden.
In this project we seek to understand the effect of multiple stressors on life history traits. We use copepods as model organisms.
Environmental change may influence environmental distribution of organic carbon. In this project we seek to understand how carbon source affects contaminant accumulation in coastal ecosystem organisms.
We finally have our blog up and running! Here, you will find news and pictures from our ongoing work and activities.
The PharmaTox Strategic Research Initiative aims to generate novel insight on effects of pharmaceuticals on human neurotoxicity and neurodevelopment.