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 |
|
Wednesday, 10 April 2013 Room G5 Chairperson: Hannu Nykänen, Paula Kankaala, Pirkko Kortelainen |
|
| 15:30–15:45 |
EGU2013-9651
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 Press & Media 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 |