Articles | Volume 15, issue 9
Research article
17 May 2018
Research article |  | 17 May 2018

A Baltic Sea estuary as a phosphorus source and sink after drastic load reduction: seasonal and long-term mass balances for the Stockholm inner archipelago for 1968–2015

Jakob Walve, Maria Sandberg, Ulf Larsson, and Christer Lännergren

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Cited articles

Ærtebjerg, G., Andersen, J. H., and Hansen, O. S. (Eds): Nutrients and eutrophication in Danish marine waters. A challenge for science and management, National Environmental Research institute, 126 pp., 2003.
Almroth-Rosell, E., Eilola, K., Kuznetsov, I., Hall, P. O. J., and Meier, H. E. M.: A new approach to model oxygen dependent benthic phosphate fluxes in the Baltic Sea, J. Marine Syst., 144, 127–141,, 2015.
Almroth-Rosell, E., Edman, M., Eilola, K., Meier, H. E. M., and Sahlberg, J.: Modelling nutrient retention in the coastal zone of an eutrophic sea, Biogeosciences, 13, 5753–5769,, 2016.
Anonymous: Bilaga till Berättelse över gatukontorets verksamhet år 1944 – Om vattenbeskaffenheten i Stockholm hamn och inre skärgård åren 1909–1944 samt dess samband med föroreningen genom stadens avloppsvatten, K. L. Beckmans Boktryckeri, Stockholm, 33 pp., 1945 (in Swedish).
Anonymous: Recipientutredning Stockholms skärgård, Stockholm läns landsting regionplanekontoret, rapport 10, 250 pp., 1975 (in Swedish).
Short summary
Phosphorus (P) release from sediments can delay recovery of eutrophicated waters. For the Stockholm inner archipelago (Baltic Sea), a P budget shows that legacy P release was small and restricted to the 20 years following the large P load reduction in 1975. Current P release is largely a seasonal P recycling in oxic conditions and the area is still a poor P sink. Short P turnover time in the area means that measures binding P in sediments will not be very effective in improving water quality.
Final-revised paper