[
[1] Arts G.H.P., 2002, Deterioration of atlantic soft water macrophyte communities by acidification, eutrophication and alkalinisation, Aquat. Bot., 73: 373–393 http://dx.doi.org/10.1016/S0304-3770(02)00031-110.1016/S0304-3770(02)00031-1
]Search in Google Scholar
[
[2] Auderset Joye D., Castella E., Lachavanne J.B., 2002, Occurrence of Characeae in Switzerland over the last two centuries (1800–2000), Aquat. Bot., 72: 369–385 http://dx.doi.org/10.1016/S0304-3770(01)00211-X10.1016/S0304-3770(01)00211-X
]Search in Google Scholar
[
[3] Blindow I., 1992, Decline of charophytes during eutrophication: a comparison to angiosperms, Freshwater Biol., 28: 9–14 http://dx.doi.org/10.1111/j.1365-2427.1992.tb00557.x10.1111/j.1365-2427.1992.tb00557.x
]Search in Google Scholar
[
[4] Bociąg K., 2000, Impact of humic substances on the structure of the vegetation of hardwater lakes. [in:] Mechanisms of anthropogenic changes of the plant cover, Eds. Jackowiak, B., Żukowski, W., Poznań, Bogucki Wyd. Nauk., 10: 161–168
]Search in Google Scholar
[
[5] Bociąg K., 2003, The impact of acid organic matter on the diversity of underwater vegetation in soft water lakes, Acta Soc. Bot. Pol. 72(3): 221–229 10.5586/asbp.2003.029
]Search in Google Scholar
[
[6] Bociąg K., 2006, Distribution and abundance of stoneworts (Charales) in the Kashubian Lakeland (NW Poland) — data collected so far and some implications, Biodiv. Res. Conserv., 3/4: 286–290
]Search in Google Scholar
[
[7] Bociąg K., Gbur E., 2008, A new locality of Nitella tenuissima (Characeae) in Pomerania, Fragm. Flor. Goebot. Polonica, 15(2): 348–350, (in Polish with Engl. summ.)
]Search in Google Scholar
[
[8] Bogaczewicz-Adamczak B., 1990, Paleolimnology of lakes in the Tuchola Forest [in:] Paleoecology and paleolimnology of the postglacial period on the Polish Plain (based on the example of central Wielkopolska and the Tuchola Forest) Eds. Tobolski, K., Warszawa, SGGW-AR, pp. 43–46, (in Polish)
]Search in Google Scholar
[
[9] Breukelaar, A.W., Lammens, E.H.R.R., Klein Breteler, J.G.P., Tatrai, I., 1994, Effects of benthivorous bream (Abramis brama) and carp (Cyprinus carpio) on sediment resuspension and concentrations of nutrients and chlorophyll-a, Freshwater Biol., 32: 113–121 http://dx.doi.org/10.1111/j.1365-2427.1994.tb00871.x10.1111/j.1365-2427.1994.tb00871.x
]Search in Google Scholar
[
[10] Dąmbska I., 1965., Littoral vegetation of lobelia lakes in the Kartuzy Lakeland, Prace Komis. Biol., 30(3): 1–53, (in Polish)
]Search in Google Scholar
[
[11] Gałka A., Bociąg K., 2006, Impact of acid organic matter on populations of underwater plants and seed bank in hardwater lakes. [in:] Contemporary trends of botanical research — on Professor Hanna Piotrowska 80th birthday anniversary, Eds. Olszewski, T.S., Afranowicz, R., and Bociąg, K., Acta Bot. Cassub., 6: 47–59, (in Polish with Engl. summ.)
]Search in Google Scholar
[
[12] Gbur E. 2008. Stonewort populations in the lobelia lakes of the southern part of the Kashubian Lakeland, Gdańsk, mscr., (in Polish)
]Search in Google Scholar
[
[13] Górniak A., 1996, Humic substances and their role in the functioning of freshwater ecosystems, Warszawa, Diss. Univ. Varsov., pp. 151, (in Polish)
]Search in Google Scholar
[
[14] Henriksen A., Skjelvale B. L., Mannio J., Wilander A., Harriman R., Curtis C., Jensen J. P., Fjeld E., Moiseenko T., 1998, North European Lake Survey 1995, Ambio 27: 80–91
]Search in Google Scholar
[
[15] Hjelmross-Ericsson M., 1981, Holocene development of Lake Wielkie Gacno area, northwestern Poland, PhD thesis, University of Lund, pp. 101
]Search in Google Scholar
[
[16] Hutorowicz A., 2006, Distribution of selected stonewort species in Poland, Ekologia i technika, 3(81): 123–128 (in Polish)
]Search in Google Scholar
[
[17] Hutorowicz A., Dziedzic J., 2008, Long-term changes in macrophyte vegetation after reduction of fish stock in a shallow lake, Aquat. Bot., 88: 265–272; doi:10.1016/j.aquabot.2007.11.002 http://dx.doi.org/10.1016/j.aquabot.2007.11.00210.1016/j.aquabot.2007.11.002
]Search in Google Scholar
[
[18] Krause W., 1981, Characeen als Bioindikatoren für den Gewässerzustand, Limnologica 13: 399–418, (in German with Engl. summ.)
]Search in Google Scholar
[
[19] Krause W., 1997, Charales (Charophyceae). Süsswasseflora von Mitteleuropa, Jena, Gustav Fischer Verlag, pp. 202, (in German)
]Search in Google Scholar
[
[20] Królikowska J., 1997, Eutrophication processes in a shallow, macrophyte-dominated lake — species differentiation, biomass and the distribution of submerged macrophytes in Lake Łuknajno (Poland), Hydrobiologia, 342/343: 411–416 http://dx.doi.org/10.1023/A:101705582712010.1023/A:1017055827120
]Search in Google Scholar
[
[21] Krzywosz T., 1997, The effect of grass carp (Ctenopharyngodon Idella Valenciennes 1844) on the environment of selected lakes, Arch. Fish. Pol., 5: 5–38
]Search in Google Scholar
[
[22] Lambert-Servien E., Clemenceau G., Gabory O., Douillard E., Haury J., 2006, Stoneworts (Characeae) and associated macrophyte species as indicators of water quality and human activities in the Pays-de-la-Loire region, France, Hydrobiologia, 570: 107–115 http://dx.doi.org/10.1007/s10750-006-0169-110.1007/s10750-006-0169-1
]Search in Google Scholar
[
[23] Lampert W., Sommer U., 2007, Limnoecology: the ecology of lakes and streams, Oxford, Oxford University Press, pp. 324.
]Search in Google Scholar
[
[24] Matuszkiewicz W., 2005, A guide to plant communities in Poland, Warszawa, Wyd. Nauk. PWN, pp. 537, (in Polish)
]Search in Google Scholar
[
[25] Melzer A., 1999, Aquatic macrophytes as tools for lake management, Hydrobiologia, 395/396: 181–190 http://dx.doi.org/10.1023/A:101700170303310.1023/A:1017001703033
]Search in Google Scholar
[
[26] Milecka K, 2005, The history of lobelia lakes of the western part of the Tuchola Forest against the postglacial development of forest vegetation, Poznań, UAM Wyd. Nauk., pp. 250, (in Polish)
]Search in Google Scholar
[
[27] Milecka K., Bogaczewicz-Adamczak B., Bubak I., 2002, Late glacial and older holocene history of lake Nierybno and its surrounding based on pollen and diatom analyses. [in:] National Park „Tuchola Forest“, Eds. Banaszak, J., Tobolski, K. Charzykowy, Homini, pp. 75–98, (in Polish with Engl. summ.)
]Search in Google Scholar
[
[28] Ozimek T., Kowalczewski A., 1984, Long-term changes of the submerged macrophytes in eutrophic Lake Mikołajskie (North Poland), Aquat. Bot., 19: 1–11 http://dx.doi.org/10.1016/0304-3770(84)90002-010.1016/0304-3770(84)90002-0
]Search in Google Scholar
[
[29] Roelofs, J.G.M., 1983, Impact of acidification and eutrophication on macrophyte communities in soft water in The Netherlands. Part I: Field observations. Aquat. Bot. 17: 139–155 http://dx.doi.org/10.1016/0304-3770(83)90110-910.1016/0304-3770(83)90110-9
]Search in Google Scholar
[
[30] Sand-Jensen K., Riis, T., Vestergaard O., Larsen S. E., 2000, Macrophyte decline in Danish lakes and streams over the last 100 years, Journal of Ecology, 88: 1030–1040 http://dx.doi.org/10.1046/j.1365-2745.2000.00519.x10.1046/j.1365-2745.2000.00519.x
]Search in Google Scholar
[
[31] Simons J., Nat E., 1996, Past and present distribution of stoneworts (Characeae) in the Netherlands, Hydrobiologia, 340: 127–135 http://dx.doi.org/10.1007/BF0001274410.1007/BF00012744
]Search in Google Scholar
[
[32] Szmeja J., 1979, The abundance of indicator species in lobelia lakes in the southern part of the Kashubian Lake District (NW Poland), Fragm. Flor. Goebot., 25(1): 123–143, (in Polish with Engl. summ.)
]Search in Google Scholar
[
[33] Szmeja J., 1980, The flora of the lakes and their fringes in the southern part of the Kashubian Lake District, Gdańsk, Zeszyty Naukowe Wydziału Biologii i Nauk o Ziemi Uniwersytetu Gdańskiego, 2: 101–116, (in Polish with Engl. summ.)
]Search in Google Scholar
[
[34] Szmeja J., 1992, Structure, spatial organization and demography of isoetid populations, Gdańsk, Wyd. Uniwersytetu Gdańskiego. Rozprawy i monografie 175: 1–137.
]Search in Google Scholar
[
[35] Szmeja J., 1997, Evolution and conservation of lobelia lakes in Poland, Fragm. Flor. Goebot., 42(1): 89–94
]Search in Google Scholar
[
[36] Szmeja J., 2000, Tendences of changes in the flora and vegetation structure o pomeranian lakes under the influence of humic substances. [in:] Mechanisms of Anthropogenic changes of the plant cover, Eds. Jackowiak, B., Poznań, Bogucki Wyd. Nauk, pp. 85–97
]Search in Google Scholar
[
[37] Szmeja J., Leszczyńska M., Pietrzak P., 1993, The condition and anthropogenic transformations of lobelia lakes in Gdańsk, Słupsk and Koszalin Voivodeships, Gdańsk, mscr., (in Polish)
]Search in Google Scholar
[
[38] Takai Y., Kamura T., 1966, The mechanism of reduction in waterlogged boddy soil, Folia Microbiol., 11: 304–313 http://dx.doi.org/10.1007/BF0287890210.1007/BF02878902
]Search in Google Scholar
[
[39] Torn K., Martin G., Kupp M., 2010, Effects of different types of mechanical disturbances on a charophyte dominated macrophyte community. Estuarine, coastal and shelf science 87: 27–32; doi:10.1016/j.ecss.2009.12.006 http://dx.doi.org/10.1016/j.ecss.2009.12.00610.1016/j.ecss.2009.12.006
]Search in Google Scholar
[
[40] Wetzel R.G., 2001, Limnology. Lake and river ecosystems, San Diego, San Francisco, New York, Boston, London, Sydney, Tokyo, Academic Press., pp. 1006
]Search in Google Scholar
[
[41] Zdanowski B., Hutorowicz a., Tunowski J., Świątecki A., Olejnik G., et al., 1999, Ecological effects of long-term pressure of phytophagous and seston-feeding fish on the structure and functioning of the shallow lake Warniak (Mazurian Lakeland, Poland), Acta Hydrobiol., 6(Suppl. 41): 29–47
]Search in Google Scholar
