Heterogeneity of distribution and community composition of zooplankton in upper layers of Lake Svente

References

• APHA . 2005 . Standard methods for the examination of waters and wastewater , 21st ed. , Washington , DC : American Public Health Association .
   Google Scholar
• Archipova, I., and S. Balina. 2003. Statistika ekonomikā. Risinājumi ar SPSS un Microsoft Excel. Rīga: Datorzinību centrs. [Statistics in economic. Solutions with SPSS and Microsoft Excel. Riga: Centre of Computer Science].
   Google Scholar
• Basharin , G.P. 1959 . On a statistical estimate for the entropy of a sequence of independent random variables . Theory of Probability and Its Application , 4 : 333 – 336 .
   Google Scholar
• Bērziņš , B. and Pejler , B. 1987 . Rotifer occurrence in relation to pH . Hydrobiologia , 147 : 107 – 116 .
   Web of Science ®Google Scholar
• Bērziņš , B. and Pejler , B. 1989a . Rotifer occurrence in relation to oxygen content . Hydrobiologia , 183 : 165 – 172 .
   Web of Science ®Google Scholar
• Bērziņš , B. and Pejler , B. 1989b . Rotifer occurrence in relation to temperature . Hydrobiologia , 175 : 223 – 231 .
   Web of Science ®Google Scholar
• Bertilsson , J. , Bērziņš , B. and Pejler , B. 1995 . Occurrence of limnic micro-crustaceans in relation to temperature and oxygen . Hydrobiologia , 299 : 163 – 167 .
   Web of Science ®Google Scholar
• Brakovska, A., and R. Škute. 2009. Ecological evaluation of zooplankton groups in Lake Geranimovas-Ilzas and Lake Garais. Proceedings of the 7th International Scientific and Practical Conference Environment. Technology. Resources 2: 43–50.
   Google Scholar
• Chang , K.H. and Hanazato , T. 2004 . Diel vertical migrations of invertebrate predators (Leptodora kindtii, Thermocyclops taihokuensis, and Mesocyclops sp.) in a shallow, eutrophic lake . Hydrobiologia , 528 : 249 – 259 .
   Web of Science ®Google Scholar
• Cimdinsh, P. 2001. Limnoekoloģija. Rīga: Mācību grāmata. [Limnoecology. Riga: Textbook].
   Google Scholar
• Dagg , M. 1977 . Some effects of patchy food environments on copepods . Limnology and Oceanography , 22 : 99 – 107 .
   Web of Science ®Google Scholar
• Dumont , H.J. , Miron , I. , Dall’Asta , U. , Decraemer , W. , Claus , C. and Somers , D. 1973 . Limnological aspects of some Moroccon Atlas Lakes, with reference to some physical and chemical variables, the nature and distribution of the Phyto- and Zooplankton, including a note on possibilities for the development of an inland fishery . Hydrobiologia , 58 : 33 – 60 .
   Google Scholar
• Dussart, B.H., and D. Defaye. 2001. Introduction to the Copepoda (2nd edition revised and enlarged). Guides to the Identification of the Microinvertebrates of the Continental Waters of the World 16: 344. Leiden: Backhuys Publishers.
   Google Scholar
• Fernandez-Rosado , M.J. and Lucena , J. 2001 . Space-time heterogeneities of the zooplankton distribution in La Concepción reservoir (Istán, Málaga; Spain) . Hydrobiologia , 455 : 157 – 170 .
   Web of Science ®Google Scholar
• Good , I.J. 1953 . The population frequencies of species and the estimation of population parameters . Biometrika , 40 : 237 – 264 .
   Web of Science ®Google Scholar
• Hanazato , T. 1991 . Pesticides as chemical agents inducing helmets formation in Daphnia ambigua . Freshwater Biology , 26 : 419 – 424 .
   Web of Science ®Google Scholar
• Hanazato , T. 1992 . Insecticide inducing helmet development in Daphnia ambigua . Archives in Hydrobiology , 123 : 451 – 457 .
   Google Scholar
• Horppila , J. , Malinen , T. , Nurminen , L. , Tallberg , P. and Vinni , M. 2000 . A metalimnetic oxygen minimum indirectly contributing to the low biomass of cladocerans in Lake Hiidenvesi – a diurnal study on the refuge effect . Hydrobiologia , 436 : 81 – 90 .
   Web of Science ®Google Scholar
• Krauter, D., and H. Streble. 1988. Das Leben im Wassertropfen. Mikroflora und Mikrofauna des Süßwassers Ein Bestimmugsbuch. Stuttgart: Kosmos. [Life in the water drop. Microflora and microfauna of fresh water key-book. Stuttgart: Kosmos].
   Google Scholar
• Krebs , J.Ch. 1999 . Ecological Methodology , 2nd ed. , Addison : Wesley Longman .
   Google Scholar
• Kutikova, L.A. 1970. Каловратки фауны СССР. Ленинград: Наука. [Fauna of Rotifera SSR. Leningrad: Nauka].
   Google Scholar
• Lebedeva, N.V., N.N. Drozdov, and D.A. Krivolutskij. 2004. Биологическое разнообразие. Москва: Гуманит. [Biodiversity. Moscow: Gumanit].
   Google Scholar
• Liepa, I., A. Maurinsh, and E. Vimba. 1991. Ekologija un dabas aizsardzība. Rīga: Zvaigzne. [Ecology and nature protection. Riga: Zvaigzne.
   Google Scholar
• Locke , A. and Sprules , W.G. 2000 . Effects of pH, food quality and quantity on survival and condition of Bosmina longirostris and Daphnia pulex . Hydrobiologia , 437 : 187 – 196 .
   Web of Science ®Google Scholar
• MacArthur , R.H. 1965 . Patterns of species diversity . Biological Reviews , 40 : 510 – 533 .
   Web of Science ®Google Scholar
• Malone , B.J. and McQueen , D.J. 1983 . Horizontal patchiness in zooplankton populations in two Ontario kettle lakes . Hydrobiologia , 99 : 101 – 124 .
   Web of Science ®Google Scholar
• Manuilova, E.F. 1964. Ветвистоусые рачки фауны СССР. Москва: Наука. [Fauna of Cladocera of the SSR. Moscow: Nauka].
   Google Scholar
• Margalef , D.R. 1958 . Information theory in ecology . General Systems , 3 : 36 – 71 .
   Google Scholar
• Pejler , B. 1965 . Regional-ecological studies of Swedish freshwater zooplankton . Zoologica Bidrags fran Uppsala , 36 : 407 – 515 .
   Google Scholar
• Pidgaiko, M.P. 1984. Зоопланктон водоемов Европейской части СССР. Москва: Наука. [Zooplankton of water bodies of the European part of USSR. Moscow: Nauka].
   Google Scholar
• Pinel-Alloul , B. 1995 . Spatial heterogeneity as a multiscale characteristic of zooplankton community . Hydrobiologia , 300 ( 301 ) : 17 – 42 .
   Google Scholar
• Pontin , R.M. 1978 . A key to the freshwater planktonic and semi-planktonic Rotifera of the British Isles . Freshwater Biological Association Scientific Publication , 38 : 178
   Google Scholar
• Renkonen , O. 1938 . Statisch-okologische Untersuchungen uber die terrestiche kaferwelt der finnischen bruchmoore . Annales Zoologici Societatis Zoologicae-Botanicae Fennicae Vanamo , 6 : 1 – 231 .
   Google Scholar
• Scourfield , D.J. and Harding , J.P. 1994 . A key to the British Freshwater Cladocera . Freshwater Biological Association Scientific Publication , 5 : 61
   Google Scholar
• Seda , J. and Devetter , M. 2000 . Zooplankton community structure along a trophic gradient in a canyon-shaped dam reservoir . Journal of Plankton Research , 22 ( 10 ) : 1829 – 1840 .
   Web of Science ®Google Scholar
• Sloka, N. 1981. Latvijas PSR dzīvnieku noteicējs. Latvijas kladoceru fauna un noteicējs. Rīga: LVU. [A Key to Animals of the Latvian SSR. Fauna of the Cladocera and a key of Latvia. Riga: LVU].
   Google Scholar
• Tallberg , P. , Horppila , J. , Väisänen , A. and Nurminen , L. 1999 . Seasonal succession of phytoplankton and zooplankton along a trophic gradient in a eutrophic lake – implications for food web management . Hydrobiologia , 412 : 81 – 94 .
   Web of Science ®Google Scholar
• Tereshenko, V.G., L.I. Tereshenko, and M.M. Smetanin. 1994. Оценка различных индексов для выражения биологического разнобразия сообшества Биоразнобразие: Степенъ таксономической изученности. Москва: Наука. [Evaluation of different indices for the expression of the community biodiversity. Level of taxonomic study. Moscow: Nauka].
   Google Scholar
• Tidrikis, A. 1998. Sventes ezers. Latvijas daba 5: 180. Rīga: Preses nams. [Lake Svente. The Nature of Latvia 5: 180. Riga: Publishing house].
   Google Scholar
• Urtane, L. 1998. Cladocera kā Latvijas ezeru tipu un trofiskā stāvokļa indikatori. Promocijas darbs. Nav publicēts. [Cladocera as types and trophic status indicators of Latvian Lakes. Thesis. Not published].
   Google Scholar
• Wetzel , R.G. 2001 . Limnology. Lake and River Ecosystems , San Diego : Academic Press .
   Google Scholar
• Wetzel, R.G., and G.E. Linkens. 2000. Limnological Analyses. New York, NY: Springer Science, Business Media.
   Google Scholar