References
- Aarup T., 2002, Transparency of the North Sea and the Baltic Sea — a Secchi depth data mining study, Oceanologia, 44: 323-337
- Ærtebjerg G., Andersen J.H., Hansen O.S. (eds.), 2003, Nutrients and Eutrophication in Danish Marine Waters — A Challenge for Science and Management. Ministry of the Environment, National Environmental Research Institute, 2003, 126 pp.
- Baltic GIG, 2006, Milestone 6 report — Baltic GIG; Quality element: Phytoplankton, A report to European Commission, Directorate General, Joint Research Centre; version June 2006
- Dale V.H., Bayeler S.C., 2001, Challenge in the development and use of ecological indicators, Ecological indicators, 1: 3-10
- Fleming-Lehtinen V., Laamanen M., Olsonen R., 2006, HELCOM Indicator Fact Sheets 2007; http://www.helcom.fi/environment2/ifs/en_GB/cover
- HELCOM, 1987, First periodic assessment of the state of marine environment of the Baltic Sea, 1979-1983, Background document. BSEP, No. 17B: 351 pp.
- HELCOM, 1990, Second periodic assessment of the state of marine environment of the Baltic Sea, 1984-1988, Background document. BSEP, No. 35B: 428 pp.
- HELCOM, 1996, Third periodic assessment of the state of marine environment of the Baltic Sea, 1989-1993, Background document. BSEP, No. 64B: 252 pp.
- HELCOM, 2006, Development of tools for assessment of eutrophication in the Baltic Sea, Balt. Sea Environ. Proc., No. 104: 62 pp.
- IMGW, 1987-1999, Environmental conditions in the Polish zone of the southern Baltic Sea in 1986 (.….1998), B. Cyberska Z. Lauer A. Trzosińska (red.), IMGW - Materiały Oddziału Morskiego, Gdynia 1987-1999 (in Polish with Engl. summ.)
- IMGW, 2000-2001, Environmental conditions in the Polish zone of the southern Baltic Sea in 1999 (….2001), W. Krzymiński E. Łysiak-Pastuszak M. Miętus (red.), IMGW - Materiały Oddziału Morskiego, Gdynia 2000-2001 (in Polish with Engl. summ.)
- Krzymiński W., Kruk-Dowgiałło L., Zawadzka-Kahlau E., Dubrawski R., Kamińska M., Łysiak-Pastuszak E., 2004, Typology of Polish marine waters, Coastline Reports: Baltic Sea Typology, 4: 39-48
- Łysiak-Pastuszak E., Piątkowska Z., 2004, The eutrophication of the Polish coastal zone: the history, present state and perspectives, Materials of the Conference: "Środowisko polskiej strefy południowego Bałtyku — stan obecny i przewidywane zmiany w przededniu integracji europejskiej", Gdańskie Towarzystwo Naukowe, Gdańsk 2004, 59-72 (in Polish with Engl. summ.)
- Łysiak E., Krzymiński W., Lewandowski Ł., 2009, Development of tools for ecological quality assessment in the Polish marine areas according to the Water Framework Directive. Part I — Nutrients, Oceanol. Hydrobiol. Studies, 38(3): 87-99
- Łysiak-Pastuszak E., Osowiecki A., Filipiak M., Olszewska A., Sapota G. et al., 2006, Preliminary assessment of the eutrophication status of selected areas in the Polish sector of the Baltic Sea according to the EU Water Framework Directive, Oceanologia, 48 (2): 213-236
- Majewski A., Lauer Z. (eds.), 1994, Baltic Sea Atlas. Instytut Meteorologii i Gospodarki Wodnej, Warszawa 1994, 214 pp. (in Polish with Engl. summ.)
- Mazur-Marzec H., Krężel A., Kobos J., Pliński M., 2006, Toxic Nodularia spumigena blooms in the coastal waters of the Gulf of Gdańsk: a ten year survey, Oceanologia, 48 (2): 255-273
- Nielsen S.L., Sand-Jensen K., Borum J., Geertz-Hansen O., 2002, Phytoplankton, nutrients and transparency in Danish coastal waters, Estuaries, 25 (5): 930-937
- OSPAR, 1997, Oslo and Paris Commissions for the prevention of marine pollution. Joint meeting of the Oslo and Paris Commissions (OSPAR), Brussels, 2-5 September 1997. Summary Record (OSPAR 97/15/1)
- Sandén P., Håkanson B., 1996, Long-term trends in Secchi depth in the Baltic Sea, Limnol. Oceanogr. 41: 346-351
- Trzosińska A., 1992, Water transparency in the Polish zone of the Baltic Sea, Oceanologia, 33: 203-209
- Wasmund N., Uhlig S., 2003, Phytoplankton trends in the Baltic Sea, ICES Journal of Marine Science, 60: 177-186
- Wasmund N., Nausch G., Postel L., Witek Z., Zalewski M. et al., 2000, Trophic status of coastal and open areas of the south-eastern Baltic Sea based on nutrient phytoplankton data from 1993-1997, Marine Science Reports, No. 38: 83 pp.