Abstract
The relative importance of potential carbon sources in the littoral of Lake Gooimeer, a lake in the centre of the Netherlands, was studied using a combination of 13C/12C-ratio analysis and carbohydrate composition analysis. The littoral is covered on the land side by a 80 m wide Phragmites australis bed. Potential carbon sources were macrophyte litter, seston and benthic algae. Samples of potential carbon sources, sediments and benthic macrofauna from inside and outside the bed were analyzed for their13C/12C-ratio and some for their carbohydrate composition. Results indicate that inside the bed, macrophyte litter was the main source of carbon for both the sediment organic matter and the benthic macrofauna, and that algal material was of minor importance. Outside the bed, production by benthic algae was the main carbon source, with seston as a second source. No macrophyte derived material could be detected outside the reed bed.
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Abbreviations
- DOC:
-
(Dissolved Organic Carbon)
- SOM:
-
(Sediment Organic Matter)
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Boschker, H.T.S., Dekkers, E.M.J., Pel, R. et al. Sources of organic carbon in the littoral of Lake Gooimeer as indicated by stable carbon isotope and carbohydrate compositions. Biogeochemistry 29, 89–105 (1995). https://doi.org/10.1007/BF00002596
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DOI: https://doi.org/10.1007/BF00002596