1. Freshwater Biology Section Who are we?
Ole Pedersen
Professor
Kaj Sand-Jensen
Professor
Kirsten S. Christoffersen
Professor
Dean Jacobsen
Associate professor
Jens Borum
Associate professor
Theis Kragh
Associate professor
Senior staff. You have most likely meet at least some of us
And a number of
PhD-, master-
and bachelor-students
Lars Båstrup Spohr
Assistant professor
Kenneth Martinsen
Videnskabelig assistent

2. Freshwater Biological Laboratory Where are we ?
Freshwater Biology Section
Universitesparken 4, 3. floor
Zoological Museum
We are here
in AK lecture theatre

3. Freshwater Biological Section What are we doing?
Research on:
Wetlands, streams, lakes and estuaries
(DK, Australia, Ecuador, Greenland etc.)
Structure and functioning of ecosystems
Organic matter, nutrient and gas dynamics in ecosystems
Distribution and diversity of organisms
Eutrophication, climate change and land use changes
Eco-physiology of aquatic plants and animals
Nature management and restoration
Cycling of matter in these ecosystems

4. Freshwater Biology Section
Our lab: Nature
Facilities

5. Freshwater Biology Section
Climate rooms

6. Freshwater Biology Section
Glass house facility

7. Freshwater Biology Section
Basic lab facilities
Advanced
HPLC
Isotopes
Microelectrodes
Carbon analyses
Microscopy
Differing aims

8. Freshwater Biology Section Workspace for 20 students

9. Freshwater Biology Section More?
Free coffee
Morning and lunch breaks
Nice social atmosphere
Extremely cute supervisors
What are the more specific areas we focus on?

10. Arctic food webs and climate changes
How do plankton and benthos cope with a short summer and long winter darkness?
Impact of prolonged ice-free season and warmer waters
Implications of migrating birds (geese) mediating nutrients
Arctic charr as top predator and how it responds to climate changes
Contact:
Kirsten Christoffersen

11. Biodiversity and community structure in high altitude lakes
Exploration of pristine high altitude lake ecosystems
Which adaptions are needed to survive at high altitudes?
The role of glacier runoff on community structure and biodiversity
What happens with increased Global warming?
Contact:
Kirsten S. Christoffersen
Dean Jacobsen

12. Dreissena polymorha (zebra mussel)
Abundance, distribution and success of the mussels in lakes?
Implications for native plankton and benthic invertebrate populations
Potential use in lake biomanipulation?
Tolerance to anoxia and cyanobacterial toxins
Contact:
Kirsten Christoffersen

13. Brownification of lobelia lakes
Sources and leaching of humic substances from the catchment area
Break-down mediated by UV light or pelagic bacteria
Historical development hereunder the past effect of acid rain
Impact upon threatened aquatic plants in pristine lakes
Contact:
Ole Pedersen

14. Ole Pedersen opedersen@bio.ku.dk
Flooding tolerance
Superhydrophobic leaves and influence of leaf gas films on gas exchange
Interaction of multiple stress upon submergence tolerance
Water proofing crops – a step towards supercharged plants
Contact:
Ole Pedersen

15. Inorganic carbon use in a climate scenario
Importance of carbon concentrating mechanisms (CCM) to reduce photorespiration
Temperature, carbon and CCM interactions
Tolerance to prolonged tissue anoxia in submerged plants
Contact:
Ole Pedersen

16. Tissue tolerance to anoxia or hyperoxia
Tolerance to prolonged tissue anoxia in macroalgae
Tolerance to hyperoxia – up to 80% O2
Impact of rising temperatures upon O2 balance and O2 amplitudes – and natural distribution
Polar gigantism
Contact:
Jens Borum

17. Structure and function of running waters
Spatio-temporal dynamics of macroinvertebrates
Biotic interactions of among macroinvertebrates
Production and conversion of organic matter
Environmental assessment and monitoring
Contact:
Dean Jacobsen

18. Ecology of alpine streams
Effect of water source on diversity, composition and function of communities
Short-term and seasonal dynamics
Organismal adaptations to a cold, alpine environment
Treats and management of pristine alpine running waters
Contact:
Dean Jacobsen

19. Dean Jacobsen djacobsen@bio.ku.dk
Phenotypic plasticity & adaptation to ambient oxygen and temperature levels
Microrespirometry of adaptation in metabolic rate, temperature dependency and oxy-regulatory capacity
Evaluating possible implications for the use of macroinvertebrates in biomonitoring
Using eco-physiology to predict future distribution patterns
Contact:
Dean Jacobsen

20. Diversity of aquatic plants
Biodiversity and ecosystem ecology of re-established lakes
Rare and threatened species (charophytes)
Trait-based ecology of aquatic plants
Cattle on land and plants in water
Contact:
Lars Båstrup-Spohr

21. Lake ecology and restoration
Plant communities and resurrection of the dead
Responses to oligotrophication
Changes in ecosystem metabolism
Responses to climate change
Contact:
Kaj Sand-Jensen

22. Lake ecosystem processes
Whole Lake metabolism
Role of nutrients, light and CO2 in lake productivity
Oxygen dynamics and fish kills
Contact:
Theis Kragh
Contact:
Kaj Sand-Jensen

23. Freshwater Fish Ecology
Population size of large pike
“Personality” of fish populating new lakes
Contact:
Theis Kragh

24. Lake ecosystem processes
Carbon dioxide and methane release from lakes and soil
Role of freshwater ecosystems in national and global carbon balances
Contact:
Kenenth Thorø Martinsen
26/11/2018

25. or via link on section website at BIO
Aquatic Science
All topics in freshwaters in addition to seagrasses and macroalgae in the sea
Slides and contact information available at:
or via link on section website at BIO