Articles | Volume 15, issue 16
https://doi.org/10.5194/bg-15-5113-2018
https://doi.org/10.5194/bg-15-5113-2018
Research article
 | 
27 Aug 2018
Research article |  | 27 Aug 2018

Causes of simulated long-term changes in phytoplankton biomass in the Baltic proper: a wavelet analysis

Jenny Hieronymus, Kari Eilola, Magnus Hieronymus, H. E. Markus Meier, Sofia Saraiva, and Bengt Karlson

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Cited articles

Almroth-Rosell, E., Eilola, K., Meier, H. E. M., and Hall, P. O. J.: Transport of fresh and resuspended particulate organic material in the Baltic Sea – a model study, J. Marine Syst., https://doi.org/10.1016/j.jmarsys.2011.02.005, 2011. a, b
Carey, C. C., Hanson, P. C., Lathrop, R. C., and St. Amand, A. L.: Using wavelet analyses to examine variability in phytoplankton seasonal succession and annual periodicity, J. Plankton Res., 38, 27–40, https://doi.org/10.1093/plankt/fbv116, 2016. a, b, c
Carstensen, J., Andersen, J. H., Gustafsson, B. G., and Conley, D. J.: Deoxygenation of the Baltic Sea during the last century, P. Natl. Acad. Sci. USA, 111, 5628–5633, https://doi.org/10.1073/pnas.1323156111, 2014. a, b
Cazelles, B., Chavez, M., Berteaux, D., Ménard, F., Vik, J. O., Jenouvrier, S., and Stenseth, N. C.: Wavelet analysis of ecological time series, Oecologia, 156, 287–304, https://doi.org/10.1007/s00442-008-0993-2, 2008. a, b
Conley, D. J., Humborg, C., Rahm, L., Savchuk, O. P., and Wulff, F.: Hypoxia in the Baltic Sea and Basin-Scale Changes in Phosphorus Biogeochemistry, Environ. Sci. Technol., 36, 5315–5320, https://doi.org/10.1021/es025763w, 2002. a, b
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This paper investigates how phytoplankton concentrations in the Baltic Sea co-vary with nutrient concentrations and other key variables on inter-annual timescales in a model integration over the years 1850–2008. The study area is not only affected by climate change; it has also been subjected to greatly increased nutrient loads due to extensive use of agricultural fertilizers. The results indicate the largest inter-annual coherence of phytoplankton with the limiting nutrient.
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