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Denitrification in estuarine sediment stimulated by the irrigation activity of the amphipod Corophium volutator
Open accessAbstract
Sediment with different densities of Corophium volutator (Pallas), ranging from 0 to 19 800 ind.m-', were incubated in laboratory microcosms, and rates of oxygen uptake, denitnfication and nitrate ammonification were determined from sediment-water fluxes.The measured processes were stimulated differently by C. volutator; oxygen uptake, denitrification of NO, from nitnfication within the sediment, and denitrification of NOT from the overlying water were enhanced 2-, 3-and 5-fold respectively in the presence of 19 800 ind.m-?.This differential stimulation was explained by the different characteristics of diffusional solute transport at the sediment-water interface and mass transfer of water into the burrows where O 2 and NO? was depleted.Denitrification rates were calculated by using the lSN isotope pairing technique.The applicability of the ' 5 ~ isotope pairing technique for measunng coupled nitrification-denitrification in bioturbated sedlment was confirmed in a test incubation with different levels of 1 5 ~0 < added to microcosms with 12 000 C. volutatorind.m-'
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Cited by
Denitrification across landscapes and waterscapes: a synthesis
Seitzinger, S., Harrison, J. A., Böhlke, J. K., Bouwman, A. F., Lowrance, R., Peterson, B., Tobias, C., & Drecht, G. V. (2006) · Ecological Applications · doi:10.1890/1051-0761(2006)016[2064:dalawa]2.0.co;2 · Cited by 1,679
Eutrophication of Chesapeake Bay: historical trends and ecological interactions.
Kemp, W., Boynton, W., Adolf, J., Boesch, D., Boicourt, W., Brush, G., Cornwell, J., Fisher, T., Glibert, P., Hagy, J., et al. (2005) · Marine Ecology Progress Series · doi:10.3354/meps303001 · Cited by 1,468
Rysgaard, S., Christensen, P., & Nielsen, L. (1995) · Marine Ecology Progress Series · doi:10.3354/meps126111 · Cited by 295
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Metadata
- Authors
- Pelegri, S., Nielsen, L., & Blackburn, T.
- Venue
- Marine Ecology Progress Series
- Publisher
- Inter-Research Science Center
- Published
- 1994
- Volume
- 105
- Pages
- 285-290
- ISSN
- 0171-8630 (ISSN-L)
- 1616-1599
- OpenAlex
- W1969595701
- Cited by
- 174
- References
- 0
- FWCI
- 6.94
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Pelegri, S., Nielsen, L., & Blackburn, T. (1994). Denitrification in estuarine sediment stimulated by the irrigation activity of the amphipod Corophium volutator. Marine Ecology Progress Series. https://doi.org/10.3354/meps105285
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