Articles | Volume 13, issue 16
Biogeosciences, 13, 4751–4765, 2016
https://doi.org/10.5194/bg-13-4751-2016
Biogeosciences, 13, 4751–4765, 2016
https://doi.org/10.5194/bg-13-4751-2016

Research article 23 Aug 2016

Research article | 23 Aug 2016

Effects of wastewater treatment plant effluent inputs on planktonic metabolic rates and microbial community composition in the Baltic Sea

Raquel Vaquer-Sunyer et al.

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Cited articles

Allison, S. D. and Martiny, J. B.: Resistance, resilience, and redundancy in microbial communities, P. Natl. Acad. Sci. USA, 105, 11512–11519, https://doi.org/10.1073/pnas.0801925105, 2008.
Andersson, A., Hoglander, H., Karlsson, C., and Huseby, S.: Key role of phosphorus and nitrogen in regulating cyanobacterial community composition in the northern Baltic Sea, Estuar. Coast. Shelf S., 164, 161–171, https://doi.org/10.1016/j.ecss.2015.07.013, 2015.
Andersson, A. F., Riemann, L., and Bertilsson, S.: Pyrosequencing reveals contrasting seasonal dynamics of taxa within Baltic Sea bacterioplankton communities, Isme J., 4, 171–181, https://doi.org/10.1038/ismej.2009.108, 2010.
Aranguren-Gassis, M., Teira, E., Serret, P., Martinez-Garcia, S., and Fernandez, E.: Potential overestimation of bacterial respiration rates in oligotrophic plankton communities, Mar. Ecol.-Prog. Ser., 453, 1–10, https://doi.org/10.3354/meps09707, 2012.
Asmala, E., Autio, R., Kaartokallio, H., Pitkänen, L., Stedmon, C. A., and Thomas, D. N.: Bioavailability of riverine dissolved organic matter in three Baltic Sea estuaries and the effect of catchment land use, Biogeosciences, 10, 6969–6986, https://doi.org/10.5194/bg-10-6969-2013, 2013.
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Short summary
Nitrogen-rich dissolved organic matter inputs from wastewater treatment plant effluents increased bacterial production and decreased primary production and community respiration. Nutrient amendments and seasonally variable environmental conditions lead to shifts in bacterial community composition. Increases in bacterial production and simultaneous decreases in primary production lead to more carbon being consumed in the microbial loop and reduce its availability to sustain the food web.
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