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Z badań nad produktywnością kilku jezior mazurskich oraz wpływem ryb na biocenozę jeziora
Subtitle:Studies on the productivity of several Masurian lakes and on the effect of fish on lake biocenosis ; Z badań nad produktywnością jezior
Creator:Hillbricht-Ilkowska, Anna ; Pieczyńska, Ewa ; Pieczyński, Eligiusz
Contributor:Polska Akademia Nauk. Komitet Ekologiczny
Publisher: Place of publishing: Date issued/created: Description:Pages 127-146 ; 24 cm ; Bibliographical references (pages 142-145) ; Abstract in English
Type of object: Subject and Keywords:Masurian lakes ; lake ecology ; freshwater productivity
Abstract:The article presents the results of the several years studies dealing with two subjects:1) Productivity of the Masurian lakes (regularities and mechanisms of the abundance, biomass and production of organisms). Investigations were carried out in several lakes with different trophy (Tab. I). The following were studied allochtonous matter, primary production of macrophytes, periphyton and littoral plankton, destruction in the eulittoral zone, production of pelagial phytoplankton and zooplankton, processes of destruction and sedimentation in the pelagial, production of bacteria, biomass and production of profundal benthos, and trophicrelations in benthos. On the example of Mikołajskie Lake a general scheme was made of the energy flow through the ecosystem (Fig. 1). Synthesis of these studies was presented in several papers at the IBP-UNESCO Symposium on productivity problems of freshwaters (Kazimierz Dolny, May 6–12, 1970). 2) The effects of artificially increased fish stocks on lake biocenosis. The following were studied: biomass and production of phyto- and zooplankton, food resources of the eulittoral zone and their accessibility for fish, abundance and biomass of bottom fauna and fauna living on plants and feeding habits of fish. The results were presented in several papers at the VIII Conference of Polish Hydrobiologisits (Białystok, September 16-20, 1970).
Relation: Volume: Issue: Start page: End page: Resource type: Detailed Resource Type: Resource Identifier: Source:MiIZ PAN, call no. P.3259 ; click here to follow the link
Language: Language of abstract: Rights:Creative Commons Attribution BY 3.0 PL license
Terms of use:Copyright-protected material. [CC BY 3.0 PL] May be used within the scope specified in Creative Commons Attribution BY 3.0 PL license, full text available at: ; -
Digitizing institution:Museum and Institute of Zoology of the Polish Academy of Sciences
Original in:Library of the Museum and Institute of Zoology of the Polish Academy of Sciences
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