Zooplankton of Lake Võrtsjärv

Limnologica

Volumn 28, Issue 1, 1998, Pages 49-65

  Haberman, Juta ^a,b  

^a ESTONIAN AGRICULTURAL UNIVERSITY   (Estonia)

^b Vortsjarv Limnological Stn ^*  (Estonia)

Author keywords

Abundance, Biomass, Production; Dominating groups; Dominating species; Large and shallow strongly eutrophic lake; Mean weight of zooplankter; Zooplankton species composition

Indexed keywords

ANURAEOPSIS FISSA; ASPLANCHNA; ASPLANCHNA HERRICKI; BACTERIA (MICROORGANISMS); BIPALPUS HUDSONI; BOSMINA BEROLINENSIS; BOSMINA LONGIROSTRIS; BOSMINA OBTUSIROSTRIS; BYTHOTREPHES LONGIMANUS; CONOCHILUS; CYCLOPIA; CYCLOPS KOLENSIS; EUDIAPTOMUS GRACILIS; KELLICOTTIA LONGISPINA; KERATELLA; KERATELLA COCHLEARIS TECTA; PISCES; ROTIFERA; ANAUREOPSIS FISSA; CALDOCERA; CONOCHILUS UNICORNIS; COPEPODA;

BIOINDICATOR; DECOMPOSITION; TROPHY; ZOOPLANKTON;

ESTONIA, LAKE VORTSJARV;

EID: 0031903455     PISSN: 00759511     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (123)

1. ALLAN, J. D. (1976): Life history patterns in zooplankton. Am. Nat. 110: 165-180.
2. ADRIAN, R. & DENEKE, R. (1996): Possible impact of mild winters on zooplankton succesion in eutrophic lakes of the Atlantic European area.Freshwat. Biol. 36: 757-770.
3. ANDRONIKOVA, I. N. (1989): Strukturno-funktsionalnaya organizatsiya zooplanktona ozernykh ekosistem raznykh troficheskikh tipov [Structural and functional arrangement of zooplankton in lake ecosystems of various trophic types]. Theses doc. Leningrad, 39 pp. (in Russian).
4. ANONYMOUS (1984): Metodicheskiye rekomendatsii po sboru i obrabotke materialov pri gidrobiologicheskikh issledovaniyakh na presnovodnykh vodoyomakh. Produktsiya zooplanktona [Methodical recommendations for collecting and analysing materials of hydrobiological studies in freshwater reservoirs. Zooplankton and its production]. Leningrad, 33 pp. (in Russian).
5. ARNDT, H. (1986): The relative importancy of protozoans in a Baltic estuarine zooplankton community. Symposia Biologica Hungaria 33: 257-261.
6. _ (1993): Rotifers as predators on components of the microbial web (bacteria, heterotrophic flagellates, ciliates) - a review. Hydrobiologia 255/256: 231-246.
7. BALUSHKINA, E. V. & WINBERG, G. G. (1979): Zavisimost mezhdu massoi i dlinoi tela u planktonnykh zivotnykh [Relation between body mass and length in planktonic animals]. In: G. G. WINBERG (ed.), Obshchiye osnovy izucheniya vodnykh ekosistem, pp. 169-172. Leningrad (in Russian).
8. BEAVER, J. R. & HAVENS, K. E. (1996): Seasonal and spatial variation in zooplankton community structure and their relation to possible controlling variables in Lake Okeechobee. Freshwat. Biol. 36: 45-56.
9. BEISNER, B. E., MCCAULEY, E. & WRONAS, F. (1996): Temperature- mediated dynamics of planktonic food chains: the effect of an invertebrate carnivore. Freshwat. Biol. 35: 219-232.
10. BEKLIOGLU, M. & MOSS, B. (1996): Mesocosm experiments on the interaction of sediment influence, fish predation and aquatic plants with the structure of phytoplankton and zooplankton communities. Freshwat. Biol. 36: 315-325.
11. BRANSTRATOR, D. K. (1995): Ecological interactions between Bythotrephes cederstroemi and Leptodora kindtii and the implications for species replacement in Lake Michigan. J. Great Lakes Res. 21: 670-679.
12. CAP, R. K. (1980): Comparison of zooplankton found in the eastern basin of L. Erie in 1928 and 1974. Ohio J. Sci. 3: 114-118.
13. CARPENTER, S. R. & KITCHELL, J. F. (1984): Plankton community structure and limnetic primary production. Am. Nat. 124: 159-172.
14. COSTA, R. R. & CUMMINS, K. W. (1969): Diurnal Vertical Migration Patterns of Leptodora kindti (FOCKE) (Crustacea: Cladocera) in a Shallow Eutrophic Reservoir. Int. Revue ges. Hydrobiol. 54: 533-541.
15. DE MANUEL, J. & ARMENGOL, J. (1993): Rotifer assemblages: a contribution to the typology of Spanish reservoirs. Hydrobiologia 255/256: 421-428.
16. DENSEN, W. L. T. VAN (1985): Feeding behaviour of major 0 + fish species in a shallow, eutrophic lake (Tjeukemeer, The Netherlands). Sonderdruck aus Zeitschrift für Angewandte Ichthyologie 1: 49-70.
17. DOWNING, J. A., PLANTE, C. & LALONDE, S. (1990): Fish production correlated with primary productivity, not the morphoedaphic index. Can. J. Fish. Aquat. Sci. 47: 1929-1936.
18. EINSLE, U. (1964): Die Gattung Cyclops s. str. im Bodensee. Arch. Hydrobiol. 60: 133-199.
19. EJSMONT-KARABIN, J., GULATI, R. & ROOTH, J. (1989): Is food availability the main factor controlling the abundance of Euchlanis dilatata luksiana HAUER in a shallow, hypertrophic lake? Hydrobiologia 186/187: 29-34.
20. ERM, V. (1961): Eesti riim- ja magevete kohade bioloogilistest ja morfoloogilistest erinevustest. In: H. HABERMAN, I. VELDRE & A. MÄEMETS (eds.), Hüdrobioloogilised uurimused II, pp. 289-342. Tartu.
21. FENCHEL, T. (1972): Aspects of decomposer food chains in marine benthos.Verhandl. Deutsch. Zool. Gesellsch. 65: 14-23.
22. FRADKIN, S. C. (1995): Effects of interference and exploitative competition from large-bodied cladocerans on rotifer community structure. Hydrobiologia 313/314: 387-393.
23. FREY, D. G. (1969): Evidence for eutrophication from remains of organisms in sediments. In: Eutrophication: causes, consequences, correctives. Proc. of symposium, pp. 594-613. Washington.
24. FUSSMAN, G. (1993): Abundance, succession and morphological variation of planktonic rotifers during autumnal circulation in a hypertrophic lake (Heiligensee, Berlin). Hydrobiologia 255/256: 353-360.
25. GALKOVSKAYA, G. A. (1980): Skorost potrebleniya kisloroda kolovratkami iz estestvennykh populyatsii [Utilization rate of oxygen in rotifers from natural populations]. Vesti Akademii Navuk Belaruskai SSR, Ser. Biyal. Navuk, 6: 114-116 (in Russian).
26. GELLER, W. & MÜLLER, H. (1981): The filtration apparatus of Cladocera: Filter meshsizes and their implications on food selectivity. Oecologia 49: 316-321.
27. GILBERT, J. J. (1989): The effect of Daphnia interference on a natural rotifer & ciliate community: short-term bottle experiments. Limnol. Oceanogr. 34: 606-617.
28. _ & JACK, J.D. (1993): Rotifers as predators on small ciliates. Hydrobiologia 255/256: 247-253.
29. GLIWICZ, Z. M. (1969a): Studies on the feeding of pelagic zooplankton in lakes with varying trophy. Ekol. Polska 17: 663-700.
30. _ (1969b): The share of algae, bacteria and trypton in the food of pelagic zooplankton of lakes with various trophic characteristics. Bull. Acad. Sci. CI II, 17: 159-165.
31. GULATI, R. D. (1975): A study on the role of herbivorous zooplankton community as primary consumers of phytoplankton in Dutch lakes. Verh. Int. Ver. Limnol. 19: 1202-1210.
32. _ (1983): Zooplankton and its grazing as indicators of trophic status in Dutch lakes. Envir. Monitor. Assessm. 3: 343-354.
33. _ (1984): The zooplankton and its grazing as measures of trophy in the Loosdrecht Lakes. Verh. Int. Ver. Limnol. 22: 863-867.
34. _ (1990a): Structural and grazing responses of zooplankton community to biomanipulation of some Dutch water bodies. Hydrobiologia 200/201: 99-118.
35. _ (1990b): Zooplankton structure in the Loosdrecht lakes in relation to trophic status and recent restoration measures. Hydrobiologia 191: 173-188.
36. _ SIEWERTSEN, K. & POSTEMA, G. (1982): The zooplankton: its community structure, food and feeding and role in the ecosystem of Lake Vechten. Hydrobiologia 95: 127-163.
37. _ EJSMONT-KARABIN, J., ROOTH, J. & SIEWERTSEN, K. (1989): A laboratory study of phosphorus and nitrogen excretion of Euchlanis dilatata lucksiana. Hydrobiologia 186/187: 347-354.
38. HABERMAN, H. & HABERMAN, J. (1989): Opyt mnogoletnego rybokhozyaistvennogo ispolzovaniya krupnogo vodoema na primere ozera Võrtsjärv [Experience of long-term fishery management of a large waterbody on the example of L. Võrtsjärv]. Voprosy ikhtiologii 29: 609-616 (in Russian).
39. HABERMAN, J. (1976a): An ecological characterization of the crustaceans (Cladocera, Copepoda) and Dreissena polymorpha juv. dominating in the pelagic region of Lakes Peipsi-Pihkva and Võrtsjärv. In: H. HABERMAN, J. HABERMAN & K. ELBERG (eds.), Estonian Contributions to the International Biological Programme, Progress Report X, pp. 60-99. Tartu.
40. _ (1976b): An ecological characterization of the rotifers in the pelagic region of Lakes Peipsi-Pihkva and Võrtsjärv. In: H. HABERMAN, J. HABERMAN, & K. ELBERG (eds.), Estonian Contributions to the International Biological Programme. Progress Report X, pp. 35-59. Tartu.
41. _ (1977a): Shkaly dominirovaniya, chastoty vstrechaemosti i velichiny zooplankterov. [Scales of domination, frequency of occurrence and weights of zooplankters]. In: XIX nauchnaya konferentsiya po izucheniyu i osvoeniyu vodoemov Pribaltiki i Belorussii, pp. 153-154. Minsk (in Russian).
42. _ (1977b): Seasonal dynamics of pelagic copepods of Lakes Peipsi- Pihkva and Võrtsjärv. Proc. Acad. Sci. Estonian SSR, Biol. 26: 212-224.
43. _ (1977c): Seasonal dynamics of pelagic cladocerans of Lakes Peipsi-Pihkva and Võrtsjärv. Proc. Acad. Sci. Estonian SSR, Biol. 26: 108-119.
44. _ (1978a): Seasonal dinamika zooplanktona pelagiali i opredelyayushchie ee faktory v Pskovsko-Chudskom ozere i ozere Võrtsjärv. I. Sezonnaya dinamika zooplanktona. [Seasonal dynamics of the pelagial zooplankton of Lakes Peipus-Pskov and Võrtsjärv and factors determining it. I. Seasonal dynamics of zooplankton]. In: V. SEMENOVA (ed.), Seasonal phenomena in freshwater biology. Hydrobiological Researches VII, pp. 20-49. Tartu (in Russian).
45. _ (1978b): Seasonal dynamics of pelagic rotifers of Lakes Peipsi- Pihkva and Võrtsjärv. Proc. Acad. Sci. Estonian SSR, Biol. 27: 16-30.
46. _ (1980): O vliyanii detrita na vetvistousykh v ozere Võrtsjärv [About the influence of detritus on the cladocerans of L. Võrtsjärv]. In: E. PIHU (ed.), Gidrobiologiya i ikhtiologiya vodoemov Estonii. Gidrobiologicheskie issledovaniya IX, pp. 52-59. Tallinn (in Russian).
47. _ (1983): Comparative analysis of plankton rotifer biomass in large Estonian lakes. Hydrobiologia 104: 293-296.
48. _ (1984): Võrtsjärve zooplankton aastail 1964-1982. In: J. HABERMAN (ed.), Võrtsjärve ökosüsteemi seisund, pp. 65-78. Tartu.
49. _ (1993): The production of zooplankton of Lake Yaskhan. Limnologica 23: 215-225.
50. _ (1995): Dominant rotifers of Võrtsjärv (Estonia). Hydrobiologia 313/314: 313-317.
51. _ (1996): Contemporary state of zooplankton in Lake Peipsi. Hydrobiologia 338: 113-123.
52. _ & MÄEMETS, A. (1973): Zooplankton. In: T. TIMM (ed.), Võrtsjärv, pp. 100-113. Tallinn.
53. _ LAUGASTE, R., LOKK, S., NÕGES, P. & TAMMERT, H. (1983): Plankton v ozere Võrtsjärv v 1964-1988 [Plankton of L. Võrtsjärv in 1964-1988]. In: T. J. DOROZHKINA, & L. G. PERMINOV (eds.). Biologicheskie rybokhozyaistvennye issledovaniya vodoemov Pribaltiki., pp. 60-63. Pskov (in Russian).
54. _ NÕGES, P., NÕGES, T., PIHU, E., KANGUR, K., KANGUR, A. & KISAND, V. (1998): Characterization of Lake Võrtsjärv: Limnologica 28: 3-11.
55. HAKKARI, L. (1972): Zooplankton species as indicators of environment. Aqua Fennica 1972: 46-54.
56. HAVENS, K E. (1994): Experimental perturbation of a freshwater plankton community: a test of hypothesis regarding the effects of stress. Oikos 69: 147-153.
57. _ & DE COSTA, J. (1985): The effect of acidification in enclosures on the biomass and population size structure of Bosmina longirostris. Hydrobiologia 122: 153-158.
58. _ BULL, L. A., WARREN, G. L., CRISMAN, T. L., PHILIPS, E. J. & SMITH, J. P. (1996): Food web structure in a subtropical lake ecosystem. Oikos 75: 20-32.
59. HERZIG, A. (1994): Predator-prey relationships within the pelagic community of Neusiedler See. Hydrobiologia 275/276: 81-96.
60. HESSEN, D. O. (1985): Filtering structures and particle size selection in coexisting Cladocera. Oecologia (Berl.) 66: 368-372.
61. HILLBRICHT-ILKOWSKA, A., GLIWICZ, Z. & SPODNIEWSKA, I. (1966): Zooplankton production and some trophic dependences in the pelagic zone of two Mazurian lakes. Verh. Int. Ver. Limnol. 16: 432-440.
62. HOFMANN, W. (1993): Dynamics of a littoral assemblage under the influence of climatic and water depth changes from Alleröd to Subboreal. Verh. Int. Ver. Limnol. 25: 1095-1101.
63. _ & HÖFLE, M. G. (1993): Rotifer population dynamics in response to increased bacterial biomass and nutrients: a mesocosm experiment . Hydrobiologia 255/256: 171-175.
64. IVANOVA, M. B. (1979): Produktsiya planktonnykh rakoobraznykh [Production of the planktonic crustaceans]. In: G. G. WINBERG (ed.), Obshchiye osnovy izucheniya vodnykh ekosistem, pp. 155-169. Leningrad (in Russian).
65. _ (1985): Produktsiya planktonnykh rakoobraznykh v presnykh vodakh [Production of planktonic crustaceans in freshwater]. Leningrad (in Russian).
66. JERSABEK, C. D. (1995): Distribution and ecology of rotifer communities in high-altitude alpine sites - a multivariate approach. Hydrobiologia 313/314: 75-89.
67. JÜRGENS, K. & STOLPE, G. (1995): Seasonal dynamics of crustacean zooplankton, heterotrophic nanoflagellates and bacteria in a shallow, eutrophic lake. Freshwat. Biol. 33: 27-38.
68. KANKAALA, P. (1988): The relative importance of algae and bacteria as food for Daphnia longispina (Cladocera) in a polyhumic lake. Freshwat. Biol. 19: 285-296.
69. KARABIN, A. & EJSMONT-KARABIN, J. (1993): Pelagic zooplankton of the Great Masurian Lakes. Hydrobiological Station Mikołajki. Progress Report 1990-1991, pp. 22-28. Warszawa.
70. KISELEV, J. A. (1956): Melody issledovaniya planktona [Methods of plankton investigation]. In: E. N. PAVLOVSKI & V. I. ZHADIN (eds.), Zhizn presnykh vod SSSR IV, pp. 183-265. Moscow- Leningrad (in Russian).
71. KITAEV, S. P. (1984): Ekologicheskye osnovy bioproduktivnosti ozer raznykh prirodnykh zon [Ecological fundamentals of bioproduktivity in lakes of different geographical zones]. Moskva (in Russian).
72. KOZHOVA, O. M., ZAGORENKO, G. E., POMAZKOVA, G. I. & BASHAROVA, N. I. (1980): Sopostavleniye biomassy fito- i zooplanktona v Baikale, Hubsugule i Bratskom vodohranilishche [Comparison of biomasses of phyto- and zooplankton in L. Baikal, Hubsugal and Bratsk water reservoirs]. In: G. G. WINBERG (ed.), Troficheskiye svyazi presonovodnykh bespozvonochnykh, pp. 10-18. Leningrad (in Russian).
73. KRYUCHKOVA, N. M. (1989): Troficheskiye vzaimootnosheniya zoo- i fitoplanktona [Trophic relations between zoo- and phytoplankton]. Moscow (in Russian).
74. KURMAYER, R. & WANZENBÖCK, J. (1996): Top-down effects of underyearling fish on a phytoplankton community. Freswat. Biol. 36: 599-609.
75. KUTIKOVA, L. (1970): Kolovratki fauny SSSR (Rotatoria) [Rotifers of fauna USSR]. Leningrad (in Russian).
76. _ & HABERMAN, J. (1986): Rotifers (Rotatoria) of Lake Võrtsjärv. Proc. Acad. Sci. Estonian SSR, Biol. 35: 113-121.
77. KUUPO-LEINIKKI, P., AUTIO, R., HÄLLFORS, S., KUOSA, H., KUPARINEN, J. & PAJUNIEMI, R. (1994): Trophic interactions and carbon flow between picoplankton and protozoa in pelagic enclosures manipulated with nutrients and a top predator. Mar. Ecol. Prog. Ser. 107: 89-102.
78. LAMPERT, W. (1992): Zooplankton vertical migrations: Implications for phytoplankton-zooplankton interactions. Arch. Hydrobiol., Beih. 35: 69-78.
79. _ (1993): Phenotypic plasticity of the size at first reproduction in Daphnia: the importance of maternal size. Ecology 74: 1455-1466.
80. LANGELAND, A. (1982): Interaction between zooplankton and fish in a fertilized lake. Holarct. Ecol. 5: 273-310.
81. LANGLEY, J. M., KETT, S., AL-KHALILI, R. S. & HUMPHREY, C. J. (1995): The conservation value of English urban ponds in terms of their rotifer fauna. Hydrobiologia 313/314: 259-266.
82. LYNCH, M. & SHAPIRO, J. (1981): Predation, enrichment, and phytoplankton community structure. Limnol. Oceanogr. 26: 86-102.
83. MAKARTSEVA, E. S. (1983): Vidovoi sostav, chislennost i biomassa zooplankona [Species composition, abundance and biomass of zooplankton]. In: V. G. DRABKOVA (ed.), Reaktsiya ekosistem ozer na khozyaistvennoe preobrazovanie ikh vodosborov, pp. 100-116. Leningrad (in Russian).
84. MÜHLEN, M. ZUR & SCHNEIDER, G. (1920): Der See Wirzjerw in Livland. Archiv für die Naturkunde des Ostbaltikums 14 (1): 5-38.
85. NILSSEN, J., HALVORSEN, G. & MELÅEN, J. G. (1980): Seasonal divergence of Bosmina morphs. Int. Revue ges. Hydrobiol. 65: 507-516.
86. NÕGES, P. & HABERMAN, J. (1985): Zooplankton VÕrtsjärve esmastoodangu kasutajana. In: T. FREY (ed.), Kaasaegse ökoloogia probleemid, pp. 180-182. Tartu.
87. _ & LAUGASTE, R. (1998): Seasonal and long-term changes in phytoplankton of Lake Võrtsjärv. Limnologica 28: 21-28.
88. NÕGES, T. & NÕGES, P. (1998): Primary production of Lake Võrtsjärv. Limnologica 28: 29-40.
89. _ NÕGES, P., HABERMAN, J, KISAND, V., KANGUR, K., KANGUR, A. & JÄRVALT, A. (1998): Food web structure in shallow eutrophic Lake Võrtsjärv (Estonia). Limnologica 28: 115-128.
90. ODUM, E. P. (1959): Fundamentals of ecology. Philadelphia, 546 pp.
91. PACE, M. L. & VAQUE, D. (1994): The importance of Daphnia in determining mortality rates of protozoans and rotifers in lakes. Oikos 39: 985-996.
92. PATALAS, K. (1954): Pelagic crustacean complex of 28 Pommeranian lakes. Ekol. Pol. 2: 61-92.
93. PEJLER, B. (1962): On the variation of the rotifer Keratella cochlearis (GOSSE). Zool. Bidr. Uppsala 35: 1-17.
94. _ (1975): On long-term stability of zooplankton composition. Scr. limnol. Uppsala 19: 107-117.
95. _ (1983): Zooplanktic indicators of trophy and their food. Hydrobiologia 101: 111-114.
96. PÉREZ-FUENTETAJA, A., MCQUEEN, D. J. & DEMERS, E. (1996): Stability of oligotrophic and eutrophic planktonic communities after disturbance by fish. Oikos 75: 98-110.
97. PORTER, K. G., SHERR, E. B., SHERR, B. F., PACE, M. & SANDERS, R.W. (1985): Protozoa in planktonic food web. J. Protozool. 32: 409-415.
98. PONYI, J. E. & ZÁNKAI, N. P. (1982): Population dynamics, biomass and biomass production of Eudiaptomus gracilis (G. O. SARS) in two water areas of different trophic state of L. Balaton (Hungary). Acta hydrochem. hydrobiol. 10: 597-610.
99. PRATT, J. R. & CAIRNS, J. (1985): Functional groups in the protozoa: role in differing ecosystems. J. Protozool. 32: 415-423.
100. POURRIOT, R. (1977): Food and feeding habits of Rotifera. Arch. Hydrobiol., Beih. 8: 243-260.
101. REINERTSEN, H. & LANGELAND, A. (1982): The effect of a lake fertilization on the stability and material utilization of a limnetic ecosystem. Holarct. Ecol. 5: 311-324.
102. ROGNERUD, S. & KJELLBERG, G. (1984): Relationships between phytoplankon and zooplankton biomass in large lakes. Verh. Int. Ver. Limnol. 22: 666-671.
103. RONNEBERGER, D., KASPRZAK, P. & KRIENITZ, L. (1993): Long-term changes in the rotifers fauna after biomanipulation in Hausse (Feldberg, Germany, Mecklenburg-Vorpommern) and its relationship to the crustacean an phytoplankton communities. Hydrobiologia 255/256: 297-304.
104. RUTTNER-KOLISKO, A. (1977): Suggestions for biomass calculation of planktonic rotifers. Arch. Hydrobiol. 8: 71-76.
105. SALO, J., WALLS, M., RAJASILTA, M., SARVALA, J., RÄSÄNEN, M. & SALONEN, V.-P. (1989): Fish predation and reduction in body size in an cladoceran population: palaeoecological evidence. Freshwat. Biol. 21: 217-221.
106. SALONEN, K. & ARVOLA, L. (1988): A radiotracer study of zooplankton grazing in two small humic lakes. Verh. Int. Ver. Limnol. 23: 462-469.
107. SANTER, B. (1993): Potential importance of algae in the diet of adult Cyclops vicinus. Freshwat. Biol. 30: 269-278.
108. SCHÖNBERG, N. (1958): Svedenya o kormovoi baze i pitanii planktoyadnykh ryb ozera Võrtsjärv [Angaben über die Futterbasis und Ernährung der planktonfressenden Fische des Sees]. In: H. HABERMAN, H. SIMM & N. MIKELSAAR (eds.), Hüdrobioloogilised uurimused I, pp. 191-201. Tartu (in Russian).
109. _ (1961): K biologii nekotorykh pelagicheskikh vidov kopepod v ozere Võrtsjärv [Über die Biologie einiger pelagischer Copepodenarten im See Võrtsjärv]. In: H. HABERMAN, I. VELDRE, A. MÄEMETS & H. SIMM (eds.), Hüdrobioloogilised uurimused II, pp. 159-193. Tartu (in Russian).
110. SIKOROWA, A., MIENTKI, C., CHUDYBOWA, D., WIDUTO, J., ZMYSLOWSKA, I. & SOBIERAJSKA, M. (1975): Experiment on the rejuvenation of Kortowskie Lake. Preliminary results of the years 1971-1973 and some earlier results. Pol. Arch. Hydrobiol. 22: 251-269.
111. STEBLER, R. (1979): Das pelagische Crustaceenplankton des Bielersees: Abundanzdynamik, Produktion und Sukzession. Schweiz. Z. Hydrol. 1: 1-37.
112. STENSON, J. A. E. (1976): Significance of predator influence on composition of Bosmina spp. populations. Limnol. Oceanogr. 21: 814-822.
113. STUDENIKINA, E. I. & CHEREPAKHINA, M. M. (1969): Srednii ves osnovnykh form zooplanktona Azovskogo morya [Mean weight of basic zooplankton forms of the Azov Sea]. Gidrobiol. Zhurnal 5: 89-91. (in Russian).
114. SUSHCHENYA, L. M. (1972): Intensivnost dykhaniya rakoobraznykh [Respiration intensity of crustaceans]. Kiev (in Russian).
115. ŠKUTE, A. (1933): Biology of Leptodora kindti (FOCKE) (Crustacea, Cladocera) and his role in freshwater ecosystems. Theses doc. Riga, 28 pp.
116. TAYLOR, B. E. & GABRIEL, W. (1993): Optimal adult growth of Daphnia in a seasonal environment. Functional Ecol. 7: 513-521.
117. VIRRO, T. (1989): Sravnenie metodov sbora planktonnykh kolovratok (Rotatoria) na primere Chudskogo ozera [The comparison of sampling methods of planktonic rotifers (Rotatoria) on the example of Lake Peipus]. Proc. Acad. Sci. Estonian SSR, Biol. 38: 119-122. (in Russian).
118. WATERS, T. F. (1977): Secondary production in Inland Waters. Adv. Ecol. Res. 10: 91-164.
119. WINBERG, G. G. (ed.) (1968): Metody opredeleniya produktsii vodnykh zhivotnykh [Methods of estimation of production of aquatic animals]. Leningrad (in Russian).
120. _ (1972): Some interim results of Soviet IBP investigations on lakes. In: Z. KAJAK & A. HILLBRICHT-ILKOWSKA (eds.); Productivity problems of freshwaters. Pol. Sci. Publ., pp. 363-381.
121. _ (1979): Obschchiye osnovy izucheniya vodnykh ekosistem [Fundamentals of studying aquatic ecosystems]. Leningrad (in Russian).
122. _ (1983): Temperaturnyi koeffitsient i uravneniye Arreniusa v biologii [Vant-Hoff's temperature coefficient and Arrhenius' equation in biology]. Obshchaya Biol. 44 (1): 31-42 (in Russian).
123. ZÁNKAI, N. P. & PONYI, J. E. (1986): Composition, density and feeding of crustacean zooplankton community in a shallow, temperate lake (Lake Balaton, Hungary). Hydrobiologia 135: 131-147.