Authors

References

Bianchi , T. S. , Westman , P. , Rolff , C. , Engelhaupt , E. , Andrén , T. & Elmgren , R. 2000. Cyano­bacterial blooms in the Baltic Sea: natural or human induced? Limnol. Oceanogr. , 45 , 716–726.

Clarke , K. R. & Warwick , R. M. 2001. Change in Marine Communities: An Approach to Statistical Analysis and Interpretation , 2nd edn. Plymouth Marine Laboratory , Plymouth.

Cloern , J. E. 2001. Our evolving conceptual model of the coastal eutrophication problem. Mar. Ecol. Progr. Ser. , 210 , 223–253.
doi:10.3354/meps210223

Elmgren , R. 1989. Man’s impact on the ecosystem of the Baltic Sea: energy flows today and at the turn of the century. Ambio , 18 , 326–332.

Finni , T. , Kononen , K. , Olsonen , R. & Wallström , K. 2001a. The history of cyanobacterial blooms in the Baltic Sea. Ambio , 30 , 172–178.
doi:10.1639/0044-7447(2001)030[0172:THOCBI]2.0.CO;2

Finni , T. , Laurila , S. & Laakkonen , S. 2001b. The history of eutrophication in the sea area of Helsinki in the 20th century. Long-term analysis of plankton assemblages. Ambio , 30 , 264–271.

Gasiùnaite , Z. R. , Cardoso , A. C. , Heiskanen , A.-S. , Henriksen , P. , Kauppila , P. , Olenina , I. , Pilkaityte , R. , Purina , I. , Razinkovas , A. , Sagert , S. , Schubert , H. & Wasmund , N. 2005. Seasonality of coastal phytoplankton in the Baltic Sea: influence of salinity and eutrophi­cation. Estuar. Coast. Shelf Sci. , 65 , 239–252.
doi:10.1016/j.ecss.2005.05.018

Granéli , E. , Wallström , K. , Larsson , U. , Granéli , W. & Elmgren , R. 1990. Nutrient limitation of primary production in the Baltic Sea area. Ambio , 19 , 142–151.

Hajdu , S. , Pertola , S. & Kuosa , H. 2004. Prorocentrum minimum (Dinophyceae) in the Baltic Sea: morphology , occurrence – a review. Harmful Algae , 4 , 471–480.
doi:10.1016/j.hal.2004.08.004

HELCOM. 2003. The Baltic marine environment 1999–2002. Balt. Sea Environ. Proc. , 87 , 47.

Jacobson , D. M. & Andersen , R. A. 1994. The discovery of mixotrophy in photosynthetic species of Dinophysis (Dinophyceae): light and electron microscopical observations of food vacuoles in Dinophysis acuminata , D. norvegica and two heterotrophic dinophysoid dinoflagellates. Phycologia , 33 , 97–100.

Kahru , M. , Horstmann , U. & Rud , O. 1994. Increased cyanobacterial blooming in the Baltic Sea detected by satellites: natural fluctuation or ecosystem change? Ambio , 23 , 469–472.

Kivi , K. , Kaitala , S. , Kuosa , H. , Kuparinen , J. , Leskinen , E. , Lignell , R. , Marcussen , B. & Tammi­nen , T. 1993. Nutrient limitation and grazing control of Baltic plankton community during annual succession. Limnol. Oceanogr. , 38 , 893–905.

Kononen , K. 1988. Phytoplankton summer assemblages in relation to environmental factors at the entrance of the Gulf of Finland during 1972–1985. Kiel. Meeresforsch. , 6 , 281–294.

Kuosa , H. 1988. Observations on the taxonomy and ecology of Monoraphidium (Chlorophyceae , Chlorococcales) and Koliella (Chlorophyceae , Ulotrichales) species in the Tvärminne Sea area , SW coast of Finland. Arch. Protistenkd. , 135 , 45–53.

Laanemets , J. , Kononen , K. , Pavelson , J. & Poutanen , E.-L. 2004. Vertical location of seasonal nutriclines in the western Gulf of Finland. J. Mar. Syst. , 52 , 1–13.
doi:10.1016/j.jmarsys.2004.03.003

Lagus , A. , Suomel , J. , Weithoff , G. , Heikkilä , K. , Helminen , H. & Sipura , J. 2004. Species-specific differences in phytoplankton responses to N and P enrichments and the N : P ratio in the Archipelago Sea , northern Baltic Sea. J. Plankt. Res. , 26 , 779–798.
doi:10.1093/plankt/fbh070

Larsson , U. , Elmgren , R. & Wulff , F. 1985. Eutrophication and the Baltic Sea: causes andconsequences. Ambio , 14 , 9–14.

Lehtimäki , J. , Moisander , P. , Sivonen , K. & Kononen , K. 1997. Growth , nitrogen fixation , and nodularin production by two Baltic Sea cyanobacteria. Appl. Environ. Microbiol. , 63 , 1647–1656.

Lignell , R. , Seppälä , J. , Kuuppo , P. , Tamminen , T. , Andersen , T. & Gismervik , I. 2003. Beyond bulk properties: responses of coastal summer plankton communities to nutrient enrichment in the northern Baltic Sea. Limnol. Oceanogr. , 48(1) , 189–209.

Lindholm , T. & Nummelin , C. 1999. Red tide of the dinoflagellate Heterocapsa triquetra (Dinophyta) in a ferry-mixed coastal inlet. Hydrobiologia , 393 , 245–251.

Lundberg , C. , Lönnroth , M. , von Numers , M. & Bonsdorff , E. 2005. A multivariate assessment of coastal eutrophication. Examples from the Gulf of Finland , northern Baltic Sea. Mar. Pollut. Bull. , 50 , 1185–1996.
doi:10.1016/j.marpolbul.2005.04.029

Margalef , R. 1978. Life-forms of phytoplankton as survival alternatives in an unstable environment. Ocean. Acta , 1 , 493–509.

Mischke , U. 2003. Cyanobacteria associations in shallow polytrophic lakes: influence of environmental factors. Acta Oecol. , 24 , 11–24.
doi:10.1016/S1146-609X(03)00003-1

Nixdorf , B. , Mischke , U. & Rücker , J. 2003. Phytoplankton assemblages and steady state in deep and shallow eutrophic lakes – an approach to differentiate the habitat properties of Oscillatoriales. Hydrobiologia , 502 , 111–121.
doi:10.1023/B:HYDR.0000004274.65831.e5

Niemi , Å. & Hällfors , G. 1974. Some phytoplankton species from Baltic waters. Mem. Soc. Fauna Flora Fenn. , 49 , 77–93.

Nixon , S. W. 1995. Coastal marine eutrophication: a definition , social causes , and future concerns. Ophelia , 41 , 199–219.

Olli , K. , Heiskanen , A.-S. & Seppälä , J. 1996. Development and fate of Eutreptiella gymnastica bloom in nutrient-enriched enclosures in the coastal Baltic Sea. J. Plankton Res. , 18(9) , 1587–1604.
doi:10.1093/plankt/18.9.1587

Olli , K. & Seppälä , J. 2001. Vertical niche separation of phytoplankton: large-scale mesocosm experiments. Mar. Ecol. Progr. Ser. , 217 , 219–233.
doi:10.3354/meps217219

Pertola , S. , Kuosa , H. & Olsonen , R. 2004. Is the invasion of Prorocentrum minimum (Dinophyceae) related to the nitrogen enrichment of the Baltic Sea? Harmful Algae , 4 , 481–492.
doi:10.1016/j.hal.2004.08.005

Pitkänen , H. , Lehtoranta , J. & Räike , A. 2001. Internal nutrient fluxes counteract decreases in external load: the case of the estuarial Eastern Gulf of Finland , Baltic Sea. Ambio , 30 , 195–201.
doi:10.1639/0044-7447(2001)030[0195:INFCDI]2.0.CO;2

Rantajärvi , E. , Gran , V. , Hällfors , S. & Olsonen , R. 1998. Effects of environmental factors on the phytoplankton community in the Gulf of Finland – unattended high frequency measure­ments and multivariate analyses. In Eutrophication in Planktonic Ecosystems: Food Web Dynamics and Elemental Cycling (Tamminen , T. & Kuosa , H. , eds) , Hydrobiologia , 363 , 127–139.

Rosenberg , R. , Elmgren , R. , Fleischer , S. , Jonsson , P. , Persson , G. & Dahlin , H. 1990. Marine eutrophication case studies in Sweden. Ambio , 19 , 102–108.

Rydin , E. , Hyenstrand , P. , Gunnerhed , M. & Bomqvist , P. 2002. Nutrient limitation of cyano­bacterial blooms: an enclosure experiment from the coastal zone of the NW Baltic Proper. Mar. Ecol. Prog. Ser. , 239 , 31–36.
doi:10.3354/meps239031

Stal , L. J. , Staal , M. & Villbrandt , M. 1999. Nutrient control of cyanobacteria blooms in the Baltic Sea. Aquat. Microb. Ecol. , 18 , 165–173.
doi:10.3354/ame018165

Utermöhl , H. 1958. Zur Vervollkommnung der quantitativen Phytoplankton Metodik. Mitt. Int. Ver. Limnol. , 9 , 1–38.

Vollenweider , R. A. , Marchetti , R. & Viviani , R. 1992. Marine Coastal Eutrophication. Elsevier , London.

Vuorio , K. , Lagus , A. , Lehtimäki , J. M. , Suomela , J. & Helminen , H. 2005. Phytoplankton community responses to nutrient and iron enrichment under different nitrogen to phosphorus ratios in the northern Baltic Sea. J. Exp. Mar. Biol. Ecol. , 322 , 39–52.
doi:10.1016/j.jembe.2005.02.006

Wasmund , N. & Uhlig , S. 2003. Phytoplankton trends in the Baltic Sea. ICES J. Mar. Sci. , 60 , 177–186.
doi:10.1016/S1054-3139(02)00280-1

Wiedner , C. , Nixdorf , B. , Hinze , R. , Wirsing , B. , Neumann , U. & Weckesser , J. 2002. Regulation of cyanobacteria and microcystin dynamics in polymictic shallow lakes. Arch. Hydrobiol. , 155 , 383–400.