[
Arvola L., P. Kankaala, T. Tulonen and A. Ojala. 1996. Effects of phosphorus and allochthonous humic matter enrichment on the metabolic processes and community structure of plankton boreal lake (Lake Pääjärvi). Can. J. Fish Aquatic Sci. 53: 1646–1662.10.1139/f96-083
]Search in Google Scholar
[
Boavida M.J. and R.G. Wetzel. 1998. Inhibition of phosphatase activity by dissolved humic substances and hydrolytic reactivation by natural ultraviolet light. Freshwater Biolology 40: 285–293.10.1046/j.1365-2427.1998.00349.x
]Search in Google Scholar
[
Chow A.T., K.K. Tanji and S. Gao. 2003. Production of dissolved organic carbon (DOC) and trihalomethane (THM) precursor from peat soils. Water Res. 37: 4475–4485.10.1016/S0043-1354(03)00437-8
]Search in Google Scholar
[
Chróst R.J., J. Overbeck and R. Wcisło. 1988. Evaluation of the [3H] Thymidyne method for estimating bacterial growth rates and production in lake water: re-examination and methodological comments. Acta Microbiol. Pol. 37: 95–112.
]Search in Google Scholar
[
Chróst R.J. 1991. Environmental control of synthesis and activity of aquatic microbial ectoenzymes, pp. 29–59. In: Chróst R.J. (ed). Microbial enzymes in aquatic environments, Springer-Verlag, New York.10.1007/978-1-4612-3090-8_3
]Search in Google Scholar
[
Cunliffe M., Upstill-Goddard R.C. and J.C. Murrell. 2011. Microbiology of aquatic surface microlayers. FEMS Microbiol. Rev. 35: 233–246.10.1111/j.1574-6976.2010.00246.x20726895
]Search in Google Scholar
[
del Giorgio P.A. and G. Scaraborough. 1995. Increase in proportion of metabolically active bacteria along gradients of enrichment in freshwater and marine plankton: implications for estimates of bacterial growth and production rates. J. Plankton Res. 1: 1905–1924.10.1093/plankt/17.10.1905
]Search in Google Scholar
[
Dietz A.S., L.J. Albright and T. Tuominen. 1976. Heterotrophic activities of bacterioneuston and bacterioplankton. Can. J. Microbiol. 22: 1699–1709.10.1139/m76-2511009500
]Search in Google Scholar
[
Dowgiałło A. 1984. Simplified photometric methods of determination of ammonia and Kjeldahl nitrogen in biological materials. Polskie Archiwum Hydrobiologii 31: 317–339.
]Search in Google Scholar
[
Franklin M.P., I.R. McDonald, D.G. Bourne, N.J.P. Owens, R. Upstill-Goddard and J.C. Murrell. 2005. Bacterial diversity in the bacterioneuston (sea surface microlayer): the bacterioneuston through the looking glass. Env. Microbiol. 7: 723–736.10.1111/j.1462-2920.2004.00736.x15819854
]Search in Google Scholar
[
Flame Atomic Absorption Spectrometry (FAAS). 2007. Analytical Methods, ed. 11th. Agilent Technologies, Australia (M) Pty, Ltd.
]Search in Google Scholar
[
Golterman H.L. and R.S. Clymo. 1978. Methods for physical & chemical analysis of fresh waters. IBP Handbook No 8. Blackwell Scientific Publications, Oxford, Edinburgh, London, Melbourne.
]Search in Google Scholar
[
Hardy J.T. 1997. Biological effects of chemicals in the sea surface microlayer. In: Liss P.S. and R.A. Duce (eds). The Sea Surface and Global Change. Cambridge University Press, Cambridge.10.1017/CBO9780511525025.012
]Search in Google Scholar
[
Hermansson M. and B. Dahlbäck. 1983. Bacterial activity at the air/water interface. Microb. Ecol. 9: 317–328.10.1007/BF0201902124221820
]Search in Google Scholar
[
Hillbricht-Ilkowska A. and I. Kostrzewska-Szlakowska. 2004. Surface microlayer in lakes of different trophic status: nutrient concentration and accumulation. Pol. J. Ecol. 52: 461–478.
]Search in Google Scholar
[
Hoppe H.G. 1993. Use of fluorogenic model substrate for extracellular enzyme activity (EEA) measurements of bacteria, pp. 423–431. In: Kemp P.F., B.F. Sherr, E.B. Sherr and I.J. Cole (eds). Handbook of methods in aquatic microbial ecology. Lewis Publishers.10.1201/9780203752746-49
]Search in Google Scholar
[
Hunter K.A. 1997. Chemistry of the sea-surface microlayer, pp. 287–320. In: Liss P.S. and R.A. Duce (eds). The sea surface and global change. Cambridge University Press.10.1017/CBO9780511525025.010
]Search in Google Scholar
[
Joux F., H. Agogue, I. Obernosterer, C. Dupuy, T. Reinthaler, G.J. Herndl and P. Lebaron. 2006. Microbial community structure in the sea surface microlayer at two contrasting coastal sites in the northwestern Mediterranean Sea. Aquatic Microbial Ecology 42: 91–104.10.3354/ame042091
]Search in Google Scholar
[
Kostrzewska-Szlakowska I. 2005. Surface microlayer in lakes of different trophic status: dissolved organic matter and microbial community. Pol. J. Ecol. 53: 341–351.
]Search in Google Scholar
[
Kuznetsova M. and C. Lee. 2001. Enhanced extracellular enzymatic peptide hydrolysis in the sea-surface microlayer. Marine Chemistry 73: 319–332.10.1016/S0304-4203(00)00116-X
]Search in Google Scholar
[
Kuznetsova M., C. Lee and J. Aller. 2004. Enrichment of amino acids in the sea surface microlayer at coastal and open sea sites in the North Atlantic Ocean. Limnology and Oceanography 49: 1605–1619.10.4319/lo.2004.49.5.1605
]Search in Google Scholar
[
Larsson K., G. Odham and A. Södergren. 1974. On lipid surface films on the sea. I. A simple method for sampling and studies of composition. Marine Chemistry 2: 49–57.10.1016/0304-4203(74)90005-X
]Search in Google Scholar
[
Marker A.F.H., E.A. Nush, H. Rai and B. Riemann. 1980. The measurement of photosynthetic pigments in freshwaters and standardization of methods: conclusions and recommendations of the workshop. In: Proceedings of the workshop on the measurement of photosynthetic pigments in freshwaters and standardization of methods. Archiv fur Hydrobiologie – Beiheft Ergebnisse der Limnologie 14: 91–106.
]Search in Google Scholar
[
Mudryk Z. and P. Skórczewski. 2004. Extracellular enzyme activity at the air-water interface of an estuarine lake. Estuarine, Coastal and Shelf Sciences 59: 59–67.10.1016/j.ecss.2003.08.001
]Search in Google Scholar
[
Münster U., P. Einiö, J. Nurminen and J. Overbeck. 1992. Extracellular enzymes in a polyhumic lake: important regulators in detritus processing. Hydrobiologia 229: 225–238.10.1007/BF00007002
]Search in Google Scholar
[
Münster U., E. Heillinen and J. Knulst. 1998. Nutrient composition, microbial biomass and activity at the air-water interface of small boreal forest lakes. Hydrobiologia 363: 261–270.
]Search in Google Scholar
[
Porter K.G. and Y.S. Feig. 1980. The use of DAPI for indentifying and counting aquatic microflora. Limnology and Oceanography 25: 943–948.10.4319/lo.1980.25.5.0943
]Search in Google Scholar
[
Santos A.L., C. Mendes, N.C.M. Gomes, I. Henriques, A. Correia, A. Almeida and A. Cuhna. 2009. Short-term variability of abundance, diversity and activity of estuarine bacterioneuston and bacterioplankton. J. Plankton Res. 31: 1545–1555.
]Search in Google Scholar
[
Schumann R., U. Schiewer, U. Karoten and T. Rieling. 2003. Viability of bacteria from different aquatic habitats. II. Cellular fluorescent markers for membrane integrity and metabolic activity. Aqua. Microb. Ecol. 32: 137–150.10.3354/ame032137
]Search in Google Scholar
[
Södergren A. 1993. Role of aquatic surface microlayer in the dynamics of nutrients and organic compounds in lakes, with implications for their ecotones. Hydrobiologia 251: 217–225.
]Search in Google Scholar
[
Stolle C., K. Nagel, M. Labrenz and K. Jürgens. 2009. Bacterial activity in the sea-surface microlayer: in situ investigations in the Baltic Sea and the influence of sampling devices. Aquatic Microbial Ecology 58: 67–78.10.3354/ame01351
]Search in Google Scholar
[
Tulonen T. 1993. Bacterial production in a mesohumic lakes estimated from [14C]Leucine incorporation ratio. Microb. Ecol. 26: 201–217.10.1007/BF0017695324190090
]Search in Google Scholar
[
Weiss M., U. Abele, J. Weckesser, W. Welte, E. Schiltz E. and G.E. Schultz. 1991. Molecular architecture and electrostatic properties of bacterial porin. Science 254: 1627–1630.10.1126/science.17212421721242
]Search in Google Scholar
[
Williams C.J. and F.J. Jochem. 2006. Ectoenzyme kinetics in Florida Bay: implications for bacterial carbon source and nutrient status. Hydrobiologia 569: 113–127.10.1007/s10750-006-0126-z
]Search in Google Scholar