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Temporal variations (1994-98) in nutrient distribution were analysed in the break Polish sector of the Baltic Sea with reference to long-term (1979-98) fluctuations of hydrological and chemical factors. Between 1994 and 1998 the winter accumulation of phosphate declined noticeably in most of the regions with the exception of the Gulf of Gdansk. The winter peaks of silicate were also reduced in the offshore region and in the waters along the central Polish coast, but continued to accumulate in the bays owing to riverine input. In the offshore region a decrease in the winter accumulation of nitrate was noted in the surface water layer whereas in the bays nitrate concentrations continued to increase. Large quantities of nitrate continue to accumulate in the Gulf of Gdansk, although at a slower rate than in 1979-93.
Czasopismo
Rocznik
Tom
Strony
425--448
Opis fizyczny
Bibliogr. 36 poz., tab., wykr.
Twórcy
autor
- Institute of Meteorology and Water Management, Maritime Branch, al. Waszyngtona 42, PL-81-342, Gdynia, Poland, elap@stratus.imgw.gdynia.pl
Bibliografia
- 1. Agger C. T., 1995, PC Program SEASONAL, HELCOM EC BETA Statistics and Data Treatment Group.
- 2. Dugdale R. C., Goering J. J., 1967, Uptake of new and regenerated forms of nitrogen in primary productivity, Limnol. Oceanogr., 12, 196-206.
- 3. Elmgren R., 1989, Man’s impact on the ecosystem of the Baltic Sea: energy flow today and at the turn of the century, AMBIO, 18, 326-332.
- 4. Grasshoff K., Ehrhardt M., Kremling K. (eds.), 1974, 1983, 1999, Methods of seawater analysis, Verlag Chem., Weinheim, 722 pp.
- 5. HELCOM, 1993a, First assessment of the state of the coastal waters of the Baltic Sea, Baltic Sea Environm. Proc., Helsinki Commiss., Helsinki, 54, 155 pp.
- 6. HELCOM, 1987, First periodic assessment of the state of the marine environment of the Baltic Sea, Background doc., Baltic Sea Environm. Proc., Helsinki Commiss., Helsinki, 17 (B), 351 pp.
- 7. HELCOM, 1988, Guidelines for the Baltic Sea Monitoring Programme for the third stage, Baltic Sea Environm. Proc., Helsinki Commiss., Helsinki, 27, 161 pp.
- 8. HELCOM, 1997, Guidelines for the COMBINE Baltic Monitoring Programme, http://www.helcom.fi/ec.html.
- 9. HELCOM, 1993b, Second Baltic Sea pollution load compilation, Baltic Sea Environm. Proc., Helsinki Commiss., Helsinki, 45, 161 pp.
- 10. HELCOM, 1990, Second periodic assessment of the state of the marine environment of the Baltic Sea, 1984–1989, Background doc., Baltic Sea Environm. Proc.,Helsinki Commiss., Helsinki, 35 (B), 428 pp.
- 11. HELCOM, 1996, Third periodic assessment of the state of the marine environment of the Baltic Sea, 1989–1993, Background doc., Baltic Sea Environm. Proc., Helsinki Commiss., Helsinki, 64 (B), 252 pp.
- 12. Hirsch R. M., Slack J. R., 1984, A non-parametric trend test for seasonal monthly water quality data with serial dependence, Water Resour. Res., 20, 6, 727-732.
- 13. Hirsch R. M., Slack J. R., Smith R. A., 1982, Techniques of trend analysis for monthly water quality data, Water Resour. Res., 18 (1), 107-121.
- 14. IMGW, 1995–1998, Environmental conditions in the Polish zone of the southern Baltic Sea in 1994, 1995, 1996, 1997, B. Cyberska, A. Trzosińska & Z. Lauer (eds.), Mater. Oddz. Mor. Inst. Meteor. i Gosp. Wod., Gdynia, (in Polish).
- 15. IMGW, 1999, Environmental conditions in the Polish zone of the southern Baltic Sea in 1998, B. Cyberska, A. Trzosińska & Z. Lauer (eds.), Mater. Oddz. Mor.Inst. Meteor. i Gosp. Wod., Gdynia, 288 pp., (in Polish).
- 16. Łysiak-Pastuszak E., Drgas N., 2000, Oxygen conditions in the southern Baltic Sea between 1994–1998 at the background of multi years, Wiad. Inst. Meteor. i Gosp. Wod., 23 (2), 29-50, (in Polish).
- 17. Łysiak-Pastuszak E., Drgas N., Ciszewska I., Niemkiewicz E., 1998, Environmental observations in the Gulf of Gdańsk and Pomeranian Bay following the summer flood in 1997, Dt. Hydrogr. Z., 50 (2/3), 109-126.
- 18. Matthäus W., 1995, Natural variability and human impacts reflected in long-term changes in the Baltic deep water conditions – a brief review, Dt. Hydrogr. Z., 47 (1), 47-65.
- 19. Matthäus W., Lass H. U., Nausch G., Nagel K., Siegel H., 1998, The Baltic Sea in 1997 – impacts of the extremely warm summer and the exceptional Oder flood, Dt. Hydrogr. Z., 50 (1), 47-89.
- 20. Matthäus W., Nehring D., Lass H. U., Nausch G., Nagel K., Siegel H., 1996, The Baltic Sea in 1996 – continuation of stagnation and decreasing phosphate concentrations, Dt. Hydrogr. Z., 48 (2), 161-174.
- 21. Matthäus W., Schinke H., 1999, The influence of river run-off on deep-water conditions of the Baltic Sea, Hydrobiologia, 399, 1-10.
- 22. Melvasalo T., Pawlak J., Grasshoff K., Thorell L., Tsiban A., 1981, Assessment of the effects of pollution on the natural resources of the Baltic Sea, 1980, Baltic Sea Environm. Proc., 5 (B), 42 6 pp.
- 23. Nehring D., 1989, Phosphate and nitrate trends and the ratio of oxygen consumption to phosphate accumulation in central Baltic deep-waters with alternating oxic and anoxic conditions, Beitr. Meeresk., 59, 47-58.
- 24. Nehring D., Matthäus W., Lass H. U., Nausch G., Nagel K., 1995, Hydrographisch-chemische Zustandseinsch¨atzung der Ostsee 1994, Meereswis. Ber., Warnem¨unde, 9, 1-71.
- 25. Nixon S. W., 1995, Coastal marine eutrophication: a definition, social causes and future concerns, Ophelia, 41, 199-219.
- 26. Nowacki J., Jarosz E., 1998, The hydrological and hydrochemical division of Surface waters in the Gulf of Gdańsk, Oceanologia, 40 (3), 261-272.
- 27. Osowiecki A., 1999, Macrozoobenthos, [in:] An assessment of the state of the environment of the marine areas of the Polish sector of the Baltic Sea, Min. Środ., Warszawa, 221-243, (mimeograph in Polish).
- 28. Pastuszak M., Nagel K., Nausch G., 1996, Variability in nutrient distribution in the Pomeranian Bay in September 1993, Oceanologia, 38 (2), 195-225.
- 29. Sandén P., 1994, Program WHIRSCH.EXE, HELCOM EC BETA Statistics and Data Treatment Group.
- 30. Sandén P., Rahm L., 1993, Nutrient trends in the Baltic Sea, Environmentrics, 2 (3), 263-278.
- 31. Trzosińska A., 1977, Factors controlling the nutrient balance in the Baltic Sea, Thalassia Jugosl., 13 (3/4), 301-278.
- 32. Trzosińska A., 1992, Nutrients, Stud. i Mater. Oceanol., 61, 107-130.
- 33. Trzosińska A., 1990, Seasonal fluctuations and long-term trends of nutrient concentrations in the Polish zone of the Baltic Sea, Oceanologia, 29, 27-50.
- 34. Trzosińska A., Andrulewicz E. (eds.), 1998, Short-term effects of 1997 flood on the marine environment of the Gulf of Gdańsk and Pomeranian Bay, Report on a study carried out in July and August 1997 by the Institute of Meteorology and Water Management – Maritime Branch and Sea Fisheries Institute in co-operation with the Institute of Maritime and Tropical Medicine and Marine Biology Centre of the Polish Academy of Sciences, Mor. Inst. Ryb., Gdynia, 76 pp., (in Polish).
- 35. Trzosińska A., Łysiak-Pastuszak E., 1996, Oxygen and nutrients, Oceanol. Stud., 1/2, 41-76.
- 36. Wasmund N., Nausch G., Postel L., Witek Z., Zalewski M., Gromisz S., Łysiak-Pastuszak E., Olenina I., Kavolyte R., Jasinskaite A., M¨uller-Karulis B., Ikauniece A., Andrushaitis A., Ojaveer H., Kallaste K., Jaanus A., 2000, Trophic status of coastal and open areas of the south-eastern Baltic Sea based on nutrient and phytoplankton data from 1993–1997, Mar. Sci. Rep., 38, 1-85.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BUS8-0014-0082