This work is licensed under a
Creative Commons Attribution 4.0 International License
Allaby, M., (Ed. ). Oxford Dictionary of Plant Sciences. Third Edition (2012) Oxford University Press, Oxford.
Allen S.E. (Ed. ). Chemical Analysis of Ecological Materials (1974) Blackwell, Oxford.
Analyse-it Software Ltd. Analyse-it for Microsoft Exel (version 2. 12) (2008) http: /www. analyse-it. com.
Andersson B., Ambio 30(8) (2001) 503-513.
Asaeda T., Hung L.Q., Wetlands Ecology and Management 15(2) (2007) 155-164.
Aulio K., Publicationes Instituti Geographici Universitatis Turkuensis 90 (1979) 1-30.
Aulio K., Baltic Cities Environmental Bulletin (2010) 2/2010 7.
Aulio K., Research Journal of Biology 2 (2014) 11-17.
Aulio K. Journal of Plant Sciences 2(4) (2014) 120-128.
Bellavance M-E., Brisson J., Aquatic Botany 93(2) (2010) 129-134.
Čižková H., Kvĕt J., Comín F.A., Laiho R., Pokorný J., Pithart D., Aquatic Sciences 75(1) (2013) 3-26.
Escutia-Lara Y., Gómez-Romero M., Lindig-Cisneros R., Aquatic Botany 90(1) (2009) 74-77.
Grace J.B., Wetzel R.G., Canadian Journal of Botany 60(1) (1982) 46-57.
Häyrén E., Acta Sociatatis pro Fauna et Flora Fennica 32(1909) 1-266.
Horppila J., Nurminen L., Freshwater Biology 46(11) (2001) 1447-1455.
Keddy P.A. Wetland Ecology. Principles and Conservation. Second Edition (2010) Cambridge University Press, Cambridge.
Kercher S.M., Zedler J.B., Aquatic Botany 80(2) (2004) 89-102.
Li S., Pezeshki SR., Goodwin S., Acta Oecologica 25(1-2) (2004) 17-22.
Neely R.K., Davis C.B., Aquatic Botany 22(3-4) (1985) 347-361.
Olson A., Paul J., Freeland JR., Aquatic Botany 91(2) (2009) 67-70.
Säntti A.A., Acta Geographica 14 (1954) 359-378.
Sharma P., Asaeda T., Fujino T., Wetlands Ecology and Management 16(1) (2008) 43-49.
Sokal R.R. and Rohlf F.J. Biometry. Fourth Edition (2012) W.H. Freeman and Company, New York.
Steinbachova-Vojtiskova L., Tylova E., Soukup A., Novicka H., Votrubova O., Lipavska H., Cizkova H., Environmental and Experimental Botany 57(3) (2006) 246-257.
Sullivan L., Wildova R., Goldberg D., Vogel C., Plant Ecology 207(1) (2010) 112-129.
Suominen J., Norrlinia 26 (2013) 1-783.
Tanaka N., Asaeda T., Hasegawa A., Tanimoto K., Aquatic Botany 79(4) (2004) 285-310.
Vaccaro L.E., Bedford B.L., Johnston C.A., Wetlands 29(3) (2009) 1036-1048.
Vollenweider R.A. (Ed. ) A manual on methods for measuring primary production in aquatic environments (1969) IBP Handbook 12, London.
Weiner S.E.B., Oecologia 94(3) (1993) 451-456. ( Received 22 October 2014; accepted 31 October 2014 ).