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Orals BG4.1

BG4.1

Linking biogeochemistry and environmental stressors to nutrient cycling and ecology in freshwater systems
Convener: Hannu Nykänen 
Co-Convener: Irena Creed 
Session details
Orals
 / Wed, 10 Apr, 15:30–17:00  / Room G5
Posters
 / Attendance Wed, 10 Apr, 17:30–19:00  / Green Posters
Poster Summaries & DiscussionsPSD17.3  / Wed, 10 Apr, 13:30–14:15  /  
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Wednesday, 10 Apr 2013
Room G5
Chairperson: Hannu Nykänen, Paula Kankaala, Pirkko Kortelainen
15:30–15:45
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Long term patterns in dissolved organic carbon, major elements and trace metals in boreal headwater catchments: Trends, mechanisms and heterogeneity.
Stephen Oni, Martyn Futter, Kevin Bishop, Stephan Kohler, Mikael Ottosson-Lofvenius, and Hjalmar Laudon
15:45–16:00
EGU2013-13280
Dissolved organic matter influences Fe-binding ligand availability for cyanobacteria in oligotrophic Ontario lakes |
Ryan Sorichetti, Irena Creed, and Charles Trick
16:00–16:15
EGU2013-5036
Isotope investigations of nitrification dynamics in the Elbe River and in pure cultures of nitrifying bacteria
Juliane Jacob, Tina Sanders, and Kirstin Dähnke
16:15–16:30
EGU2013-9801
Phosphorus geochemical cycling inferences from high frequency lake monitoring
Lucy Crockford, Philip Jordan, and David Taylor
16:30–16:45
EGU2013-2268
Lake size and water-column stability affect the importance of methane for pelagic food webs of boreal lakes
Paula Kankaala, Jessica Lopez-Bellido, Anne Ojala, Tiina Tulonen, and Roger I. Jones
16:45–17:00
EGU2013-4047
Effects of nitrate fertilization on CO2 and CH4 concentrations in small boreal lakes
Marcus Klaus, Ann-Kristin Bergström, and Jan Karlsson