Aroviita, J., Hämäläinen, H. & Holopainen, I. J. 2006. Benthic macroinvertebrates in lakes affected by iron mining waste waters in the Kostomuksha area, northwest Russia. Verh. Int. Verein. Limnol., 29, 2039–2044.
Arvola, L., Eloranta, P., Järvinen, M., Keskitalo, J. & Holopainen, A.-L. 1999. Food webs of humic waters. Phytoplankton. In Limnology of Humic Waters (Keskitalo, J. & Eloranta, P., eds), pp. 137–171. Backhuys Publishers, Leiden.
Beaver, J. R. & Crisman, T. L. 1989. Role of ciliated Protozoa in pelagic freshwater ecosystems. Microb. Ecol., 17, 111–136.
doi:10.1007/BF02011847
Bell, T. & Kalff, J. 2001. The contribution of picophytoplankton in marine and freshwater systems of different trophic status and depth. Limnol. Oceanogr., 46, 1243–1248.
Bergström, I., Heinänen, A. & Salonen, K. 1986. Comparison of acridine orange, acriflavine and bisbenzimide stains for enumeration of bacteria in clear and humic waters. Appl. Environ. Microbiol., 51, 664–667.
Bertolo, A., Carignan, R., Magnan, P., Pinel-Alloul, B., Planas, D. & Garcia, E. 2005. Decoupling of pelagic and littoral food webs in oligotrophic Canadian Shield lakes. Oikos, 111, 534–546.
doi:10.1111/j.0030-1299.2005.13930.x
Callieri, C. & Stockner, J. G. 2000. Picocyanobacterial success in oligotrophic lakes: Fact or fiction? J. Limnol., 59, 72–76.
Callieri, C. & Stockner, J. G. 2002. Freshwater autotrophic picoplankton: A review. J. Limnol., 61, 1–14.
Callieri, C., Karjalainen, S. A. & Passoni, S. 2002. Grazing by ciliates and heterotrophic nanoflagellates on picocyanobacteria in Lago Maggiore, Italy. J. Plankton Res., 24, 785–796.
doi:10.1093/plankt/24.8.785
Chekryzheva, T. A. 1995. Phytoplankton in the Kenti River. In The Effect of Man-caused Effluents from Kostamus Mining Plant on Kenti-River System (Kukharev, V. I., ed.), pp. 68–79. Petrozavodsk (in Russian).
Holopainen, A.-L., Niinoja, R. & Rämö, A. 2003a. Seasonal succession, vertical distribution, and long-term variation of phytoplankton communities in two shallow forest lakes in eastern Finland. Hydrobiologia, 506–509, 237–245.
doi:10.1023/B:HYDR.0000008555.92238.91
Holopainen, I. J., Holopainen, A.-L., Hämäläinen, H., Rahkola-Sorsa, M., Tkatcheva, V. & Viljanen, M. 2003b. Effects of mining industry waste waters on a shallow lake ecosystem in Karelia, north-west Russia. Hydrobiologia, 506–509, 111–119.
doi:10.1023/B:HYDR.0000008554.28228.14
James, M. R., Burns, C. W. & Forsyth, D. J. 1995. Pelagic ciliated protozoa in two monomictic, southern temperate lakes of contrasting trophic state: Seasonal distribution and abundance. J. Plankton Res., 17, 1479–1500.
doi:10.1093/plankt/17.7.1479
Kalinkina, N. M., Kulikova, T. P., Morozov, A. K. & Vlasova, L. I. 2003. Causes of technogenic changes in a freshwater zooplanktonic community. Biol. Bull., 30, 627–632.
doi:10.1023/B:BIBU.0000007721.42795.21
Karjalainen, J., Rahkola, M., Viljanen, J., Andronikova, I. & Avinsky, V. 1995. Comparison of methods used in zooplankton sampling and counting in the joint Russian–Finnish evaluation of the trophic state of Lake Ladoga. Hydrobiologia, 322, 249–253.
doi:10.1007/BF00031836
Karjalainen, J., Holopainen, A.-L. & Huttunen, P. 1996. Spatial patterns and relationships between phytoplankton, zooplankton and water quality in the Saimaa lake system, Finland. Hydrobiologia, 322, 267–276.
doi:10.1007/BF00031839
Kukharev, V. I., Palshin, N. I. & Salo, J. A. 1995. General characteristics of Kenti–Kento Lake–River system. In The Effect of Man-caused Effluents from Kostamus Mining Plant on Kenti-River System (Kukharev, V. I., ed.), pp. 4–8. Petrozavodsk (in Russian).
Kurkilahti, M. & Rask, M. 1996. A comparative study of the usefulness and catchability of multimesh gillnets and gillnet series in sampling of perch (Perca fluviatilis L.) and roach (Rutilus rutilus L.). Fish. Res., 27, 243–260.
doi:10.1016/0165-7836(95)00463-7
Lehman, J. T. 1976. Ecological and nutritional studies on Dinobryon Ehrenb.: Seasonal periodicity and the phosphate toxicity problem. Limnol. Oceanogr., 21, 646–658.
Lozovik, P. A., Markkanen, S.-L. & Regerand, T. 2001. Kalevalan piirin ja Kostamuksen alueen pintavedet ja kuormituksen vaikutus niihin. Petrozavodsk (in Finnish and in Russian).
Mehner, T., Hölker, F. & Kasprzak, P. 2005. Spatial and temporal heterogeneity of trophic variables in a deep lake as reflected by repeated singular samplings. Oikos, 108, 401–409.
doi:10.1111/j.0030-1299.2005.13338.x
Niinioja, R., Holopainen, A.-L., Hämäläinen, H., Heitto, L., Luotonen, H., Mononen, P. & Ramö, A. 2003. State of Lake Sysmäjärvi, Eastern Finland, after loading with mine water and municipal waste water for several decades. Hydrobiologia, 506–509, 773–780.
doi:10.1023/B:HYDR.0000008544.44848.fd
Pinel-Alloul, B., Bourbonnais, N. & Dutilleul, P. 1996. Among-lake and within-lake variations of autotrophic pico- and nanoplankton biomass in six Quebec lakes. Can. J. Fish. Aquat. Sci., 53, 2433–2445.
doi:10.1139/cjfas-53-11-2433
Pomroy, A. J. 1984. Direct counting of bacteria preserved with Lugol iodine solution. Appl. Environ. Microbiol., 47, 1191–1192.
Putt, M. & Stoecker, D. K. 1989. An experimentally determined carbon : volume ratio for marine “oligotrichous” ciliates from estuarine and coastal waters. Limnol. Oceanogr., 34, 1097–1103.
Rahkola, M., Karjalainen, J. & Avinsky, V. 1998. Individual weight estimates of zooplankton based on length–weight regressions in Lake Ladoga and Saimaa lake system. Nord. J. Freshwater Res., 74, 110–120.
Rask, M., Holopainen, A.-L., Karusalmi, A., Niinioja, R., Tammi, J., Arvola, L., Keskitalo, J., Blomquist, I., Heinimaa, S., Karppinen, C., Salonen, K. & Sarvala, J. 1998. An introduction to the limnology of the Finnish Integrated Monitoring lakes. Boreal Environ. Res., 3, 263–274.
Salonen, K., Sarvala, J., Hakala, I. & Viljanen, M.-L. 1976. The relation of energy and organic carbon in aquatic invertebrates. Limnol. Oceanogr., 21, 724–730.
Sarvala, J., Kankaala, P., Zingel, P. & Arvola, L. 1999. Zooplankton. In Limnology of Humid Waters (Keskitalo, J. & Eloranta, P., eds), pp. 173–191. Backhuys Publishers, Leiden.
Tkatcheva, V., Hyvärinen, H., Kukkonen, J., Ryzhkov, L. P. & Holopainen, I. J. 2004. Toxic effects of mining effluents on fish gills in a subarctic lake system in NW Russia. Ecotoxicol. Environ. Safety, 57, 278–289.
doi:10.1016/S0147-6513(03)00079-4
Tulonen, T. 1993. Bacterial production in a mesohumic lake estimated from (14C)-leucine incorporation rate. Microb. Ecol., 26, 201–217.
doi:10.1007/BF00176953
Tulonen, T., Kankaala, P., Arvola, L. & Ojala, A. 2000. Growth and production of bacterioplankton in a deep mesohumic boreal lake. Arch. Hydrobiol., 147, 311–325.
Utermöhl, H. 1958. Zur Vervollkommnung der quantitativen Phytoplankton-Methodik. Mitteilungen / Int. Verein. Theor. Angew. Limnol., 9, 1–38.
Virtanen, K. & Markkanen, S.-L. 2000. Monitoring the Kostomuksha mining combine waste waters and water quality in the receiving water system 1990–1998. Mimeographed series of Kainuu Regional Environment Centre, 6, 3–28 (in Finnish, abstract in English).
Vlasova, L. 1998. Zooplankton in the area of the Kostomuksha. In Current State of Water Objects in the Republic of Karelia. Result of Monitoring, 1992–1997, pp. 134–137 Petrozavodsk (in Russian).
Wetzel, R. G. & Likens, G. E. 2000. Limnological Analyses. Springer, New York.
Zingel, P. 1999. Pelagic ciliated protozoa in a shallow eutrophic lake: Community structure and seasonal dynamics. Arch. Hydrobiol., 146, 495–511.
Zingel, P., Huitu, E., Mäkelä, S. & Arvola, L. 2002. The abundance and diversity of planktonic ciliates in 12 boreal lakes of varying trophic state. Arch. Hydrobiol., 155, 315–332.