[
[1] Arvola L., 1983, Primary production and phytoplankton in two small, polyhumic forest lakes in Southern Finland, Hydrobiologia, 101: 105–110 http://dx.doi.org/10.1007/BF0000866110.1007/BF00008661
]Search in Google Scholar
[
[2] Bayley S.E., Prather C.M., 2003, Do wetland lakes exhibitalternative stable states? Submersed aquatic vegetation and chlorophyll in western boreal shallow lakes, Limnol. Oceanogr., 48(6): 2335–2345 http://dx.doi.org/10.4319/lo.2003.48.6.233510.4319/lo.2003.48.6.2335
]Search in Google Scholar
[
[3] Blindow I., Andersson G., Hargeby A., Johansson S., 2006, Long-term pattern of alternative stable states in two shallow eutrophic lakes, Fresh. Biol., 30(1): 159–167 http://dx.doi.org/10.1111/j.1365-2427.1993.tb00796.x10.1111/j.1365-2427.1993.tb00796.x
]Search in Google Scholar
[
[4] Brönmark C., Hansson L-A., 2005, The biology of lakes and ponds, Oxford University Press, pp. 275
]Search in Google Scholar
[
[5] Carlson R.E., 1977, A trophic state index for lakes, Limnol. Oceanogr., 22: 1–361 http://dx.doi.org/10.4319/lo.1977.22.2.036110.4319/lo.1977.22.2.0361
]Search in Google Scholar
[
[6] Cronberg G., Lindmark G., Björk S., 1988, Mass development of the flagellate Gonyostomum semen (Raphidophyta) in Swedish forest lakes — an effect of acidification?, Hydrobiologia, 161: 217–236 http://dx.doi.org/10.1007/BF0004411310.1007/BF00044113
]Search in Google Scholar
[
[7] Dawidek J., 1998, Physical-chemical properties of lake waters (in:) The Łęczna-Włodawa lakes. Monography of nature, Eds. Harasimiuk M., Michalczyk Z., Turczyński M., Lublin, Biblioteka Monitoringu Środowiska, pp. 113–127, (in Polish)
]Search in Google Scholar
[
[8] Furtak T., Sobolewski W., Turczyński M., 1998, Characteristics of lakes’ catchment (in:) The Łęczna-Włodawa lakes. Monography of nature, Eds. Harasimiuk M., Michalczyk Z., Turczyński M., Lublin, Biblioteka Monitoringu Środowiska, pp. 73–90, (in Polish)
]Search in Google Scholar
[
[9] Gąbka M., Owsianny P.M., 2006, Shallow humic lakes of the Wielkopolska region — relation between dystrophy and eutrophy in lake ecosystems, Limnol. Rev., 6: 95–102
]Search in Google Scholar
[
[10] Górniak A., 1996, Humic substances and their role in freshwater ecosystems, Dissertationes Universitatis Varsoviensis, Białystok, pp. 151, (in Polish)
]Search in Google Scholar
[
[11] Górniak A. (ed.), 2006, Lakes of Wigry National Park. Present quality and trophy of waters, Białystok, Wydawnictwo Uniwersytetu w Białymstoku, pp. 176, (in Polish)
]Search in Google Scholar
[
[12] Górniak A., Grabowska M., Jekatierynczuk-Rudczyk E., Zieliński P., Suchowolec T., 2003, Long-term variations of phytoplankton primary production in a shallow, polyhumic reservoir, Hydrobiologia, 506–509: 305–310 http://dx.doi.org/10.1023/B:HYDR.0000008537.45946.5b10.1023/B:HYDR.0000008537.45946.5b
]Search in Google Scholar
[
[13] Górniak A., Jekatierynczuk-Rudczyk E., Dobrzyń P., 1999, Hydrochemistry of three dystrophic lakes in Northeastern Poland, Acta hydrochim. hydrobiol., 27: 1–7 http://dx.doi.org/10.1002/(SICI)1521-401X(199901)27:1<12::AID-AHEH12>3.0.CO;2-X10.1002/(SICI)1521-401X(199901)27:1<12::AID-AHEH12>3.0.CO;2-X
]Search in Google Scholar
[
[14] Hermanowicz W., Dojlido J., Dożańska W., Koziorowski B., Zerbe J., 1999, Physical-chemical investigation of water and sewage, Warszawa, Wydawnictwo Arkady, pp. 556, (in Polish)
]Search in Google Scholar
[
[15] Holopainen A-L., Niinioja R., Rämö A., 2003, Seasonal succession, vertical distribution and long term variation of phytoplankton communities in two shallow forest lakes in eastern Finland, Hydrobiologia, 506–509: 237–245 http://dx.doi.org/10.1023/B:HYDR.0000008555.92238.9110.1023/B:HYDR.0000008555.92238.91
]Search in Google Scholar
[
[16] Hongve D., Lövstad Ö., Björndalen K., 1988, Gonyostomum semen a new nuisance to bathers in Norwegian lakes, Verh. Int. Ver. Limnol., 32: 430–434 10.1080/03680770.1987.11897957
]Search in Google Scholar
[
[17] Hutorowicz A., Spodniewska I., Krzywosz W., 1992, Phytoplankton in lakes of Wigierski National Park (in:) Lakes of Wigierski National Park. Eutrophication and topics of protection, Ed. Zdanowski B., Zesz. Nauk. Komitetu Nauk PAN, 3: 79–99, (in Polish)
]Search in Google Scholar
[
[18] Hutorowicz A., Szeląg-Wasielewska E., Grabowska M., Owsianny P.M., Pęczuła W., Luścińska M., 2006, The occurance of Gonyostomum semen (Raphidophyceae) in Poland, Fragm. Flor. Geobot. Polonica, 13(2): 399–407, (in Polish with Engl. summ.)
]Search in Google Scholar
[
[19] Jones R.I., 1992, The influence of humic substances on lacustrine planktonic food chains, Hydrobiologia, 229: 73–91 http://dx.doi.org/10.1007/BF0000699210.1007/BF00006992
]Search in Google Scholar
[
[20] Jones R.I., 1988, Vertical distribution and dial migration of flagellated phytoplankton in a small humic lake, Hydrobiologia, 161: 75–87 http://dx.doi.org/10.1007/BF0004410210.1007/BF00044102
]Search in Google Scholar
[
[21] Korneva L.G., 2000, Ecological aspects of the mass development of Gonyostomum semen (Ehr.) Dies. (Raphidophyta), Algologia, 10: 265–277
]Search in Google Scholar
[
[22] Laugaste R., Nõges, P., 2005, Nuisance alga Gonyostomum semen: implications for its global expansion. (in:) Aquatic ecosystems, conservation, restoration and management, Eds. Ramachandra T.V., Ahalya N., Murty C.R., Capital Publishing Company, pp.77–87
]Search in Google Scholar
[
[23] Lean D., 1998, Attenuation of solar radiation in humic waters (In:) Aquatic humic substances, Eds. Hessen D.O., Tranvik L.J., Ecology and Biogeochemistry, Heidelberg, Springer-Verlag Berlin, pp. 109–124 10.1007/978-3-662-03736-2_6
]Search in Google Scholar
[
[24] Lepistö L., Antikainen S., Kivinen J., 1994, The occurrence of Gonyostomum semen (Ehr.) Diesing in Finnish lakes, Hydrobiologia, 273: 1–8 http://dx.doi.org/10.1007/BF0012676410.1007/BF00126764
]Search in Google Scholar
[
[25] Michalczyk Z., Bartoszewski S., Głowacki S., Turczyński M., 1995, Characteristic of water relations within Poleski National Park area and its protection zone (in:) Protection of water ecosystems in Poleski National Park and its protection zone, Ed. Radwan S., AR Lublin, TWWP, pp. 11–23, (in Polish)
]Search in Google Scholar
[
[26] Michalczyk Z., Bartoszewski S., Chmiel S., Dawidek J., Głowacki S., Turczyński M., 2002, Water resources of Poleski National Park (in:) Poleski National Park. Monography of nature, Ed. Radwan S., Lublin, Wydawnictwo Morpol, pp. 55–71, (in Polish)
]Search in Google Scholar
[
[27] Nusch E.A., 1980, Comparison of different methods for chlorophyll and pheopigment determination, Arch. Hydrobiol. Beih. Ergebn. Limnol., 14: 14–36
]Search in Google Scholar
[
[28] Pęczuła W., 2007, Mass development of the algal species Gonyostomum semen (Raphidophyceae) in the mesohumic Lake Płotycze (central-eastern Poland), Ocean. Hydrobiol. Stud., 36(Suppl. 1): 163–172
]Search in Google Scholar
[
[29] Radwan S., Kornijów R., 1998, Hydrobiological features of lakes — current state and directions of changes (in:) The Łęczna-Włodawa lakes. Monography of nature, Eds. Harasimiuk M., Michalczyk Z., Turczyński M., Lublin, Biblioteka Monitoringu Środowiska, pp.129–144, (in Polish)
]Search in Google Scholar
[
[30] Radwan S., Podgórski W., Kowalczyk C., 1971, A contribution to the hydrochemistry of the Łęczna-Włodawa Lake District. Part I. Mineral relations, Ann. Univ. Mariae Curie-Skłod., 26: 155–168, (in Polish with Engl. summ.)
]Search in Google Scholar
[
[31] Reynolds C.S., 1984, Phytoplankton periodicity: the interactions of form, function and environmental variability, Fresh. Biol., 14: 111–142 http://dx.doi.org/10.1111/j.1365-2427.1984.tb00027.x10.1111/j.1365-2427.1984.tb00027.x
]Search in Google Scholar
[
[32] Rosén G., 1981, Phytoplankton indicators and their relations to certain chemical and physical factors, Limnologica, 13: 263–290
]Search in Google Scholar
[
[33] Scheffer M., 1989, Alternative stable states in eutrophic, shallow freshwater systems: a minimal model, Hydrobiol. Bull., 23: 73–83 http://dx.doi.org/10.1007/BF0228642910.1007/BF02286429
]Search in Google Scholar
[
[34] Szeląg-Wasielewska E., Gołdyn R., 1994, Alga community in pelagic zone of lobelia lakes (in:) Lobelia lakes. Characteristics, functioning and protection. Part I, Ed. Kraska M., Idee Ekol., 6(4): 37–65, (in Polish)
]Search in Google Scholar
[
[35] Vollenweider R.A., 1969, A manual on methods for measuring primary production in aquatic environments, Blackwell. Oxford-Edinburgh, pp. 213
]Search in Google Scholar
[
[36] Wawer M., Urban D., 1999, Characteristic of vegetation cover (in:) Water and land ecosystems of Sobiborski Landscape Park and protection of theirs, Ed. Wojciechowska W., Lublin, Redakcja Wydawnictw KUL, pp. 101–117, (in Polish)
]Search in Google Scholar
[
[37] Willén E., 2003, Dominance patterns of planktonic algae in Swedish forest lakes, Hydrobiologia, 502: 315–324 http://dx.doi.org/10.1023/B:HYDR.0000004289.92343.3910.1023/B:HYDR.0000004289.92343.39
]Search in Google Scholar
[
[38] Wiszniewski J., 1953, Comments with regard to Polish lakes’ typology, Pol. Arch. Hydrobiol., 1: 11–23, (in Polish wit Engl. summ.)
]Search in Google Scholar
[
[39] Wojciechowska W., Solis M., 2009, Prokaryotic and eukaryotic alga of Łęczna-Włodawa Lake District, Lublin, KUL Publishers, pp. 86, (in Polish)
]Search in Google Scholar
