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Posters 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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Attendance Time: Wednesday, 10 Apr, 17:30–19:00
Green Posters
Chairperson: Ann-Kristin Bergström, Ryan Sponseller, Irena Creed
G36
EGU2013-12918
Landscape heterogeneity and hydrologic losses of inorganic nitrogen from boreal catchments
Ryan Sponseller, Mark Blackburn, and Hjalmar Laudon

G37
EGU2013-4180 | Presentation
Benthic macroinvertebrates and the use of stable isotopes (δ13C and δ15N) in the impact assessment of peatland use on boreal stream ecosystems
Mika L. Nieminen, Emmanuela Daza Secco, Hannu Nykänen, and Kristian Meissner

G38
EGU2013-5061
The Elbe river estuary including the Port of Hamburg - an important Nutrient filter and source for reactive Nitrogen?
Tina Sanders, Juliane Jacob, and Kirstin Dähnke

G39
EGU2013-12717
Linkage between the temporal and spatial variability of dissolved organic matter and whole stream metabolism
Susanne Halbedel, Olaf Büttner, and Markus Weitere

G40
EGU2013-611 | Presentation
Catchment and in-stream influences on iron-deposit chemistry, algal-bacterial biomass and invertebrate richness in upland streams, Northern Ireland.
Katrina Ann Macintosh and David Griffiths

G41
EGU2013-4289
Methane metabolism in a stratified boreal lake
Hannu Nykänen, Sari Peura, Paula Kankaala, and Roger Jones

G42
EGU2013-6948
N2O concentrations in boreal lakes are linked to nitrate and temperature
Pirkko Kortelainen, Miitta Rantakari, Jukka Alm, Tuula Larmola, Sari Juutinen, Irina Bergström, Jari T. Huttunen, Jouko Silvola, and Pertti J. Martikainen

G43
EGU2013-1393
Effect of inorganic N enrichment on basal pelagic production in boreal unproductive lakes along a gradient of DOC concentration - results after 1 year of fertilization
Anne Deininger and Ann-Kristin Bergström

G44
EGU2013-13562
Siderophores: The special ingredient to cyanobacterial blooms
Xue Du, Dr. Irena Creed, and Dr. Charles Trick

G45
EGU2013-9270
Elemental stoichiometry of seston and zooplankton in subarctic lakes situated along an altitude gradient in northern Sweden
Daniel Karlsson, Jan Karlsson, and Ann-Kristin Bergström

G46
EGU2013-9754
Net ecosystem production in clear-water and brown-water lakes
Jenny Ask, Jan Karlsson, and Mats Jansson

G47
EGU2013-4885
Testing the effect of increased temperature and river water input on benthic and pelagic metabolism using a large scale experimental pond ecosystem
Patricia Rodriguez, Erik Geibrink, Francisco Vasconcelos, Per Hedström, Pär Byström, and Jan Karlsson

G48
EGU2013-9327
Influence of allochtonous carbon input and food-web structure on freshwater biotic communities and sedimentation process
Loïc Harrault, Béatrice Allard, Jacques Mériguet, David Carmignac, Samuel Perret, Sylvain Huon, Eric Edeline, and Gérard Lacroix

G49 EGU2013-6269
Impact of multiple stressors on carbon cycling in northern lake ecosystems (withdrawn) |
Jan Karlsson, Ann-Kristin Bergström, and Pär Byström