Littoral zones as sources of biodegradable dissolved organic carbon in lakes
Canadian Journal of Fisheries and Aquatic Sciences
By: E.G. Stets and J.B. Cotner
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Abstract
A survey of 12 lakes in Minnesota, USA, was conducted to examine the factors controlling variability in biodegradable dissolved organic carbon (BDOC) concentration. The principal question addressed was whether BDOC concentration was more strongly related to lake trophic status or morphometric parameters. BDOC concentration was determined by incubating filtered lake water for a period of 15 months and fitting an exponential decay curve to measured DOC concentrations. BDOC concentrations varied from 73 to 427 mmol C.L-1 and composed 15%-63% of the total DOC pool. There were no significant correlations between BDOC and measures of lake trophic status. Instead, BDOC was most closely associated with the percentage of lake area covered by littoral zone, suggesting a significant source of BDOC from aquatic macrophytes and lake surface sediments. ?? 2008 NRC.
Suggested Citation
Stets, E., and Cotner, J., 2008, Littoral zones as sources of biodegradable dissolved organic carbon in lakes: Canadian Journal of Fisheries and Aquatic Sciences, v. 65, no. 11, p. 2454-2460, https://doi.org/10.1139/F08-142.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Littoral zones as sources of biodegradable dissolved organic carbon in lakes |
| Series title | Canadian Journal of Fisheries and Aquatic Sciences |
| DOI | 10.1139/F08-142 |
| Volume | 65 |
| Issue | 11 |
| Year Published | 2008 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Canadian Journal of Fisheries and Aquatic Sciences |
| First page | 2454 |
| Last page | 2460 |