The relative contributions by phytoplankton and macrophytes to primary production of two shallow lakes (Karelian Isthmus, Russia)

• Autorzy: Trifonova I. , Denisova I. , Stanislavskaia E. , Aphanasieva A. , Ulianova D.
• Języki publikacji: EN

Abstrakty

EN

Biomass and productivity of the main autotrophic communities, and their contribution to total lake primary production, were studied in two shallow, polymictic lakes of the Karelian Isthmus (north-west Russia). Both lakes are highly productive but with contrasting contributions from macrophytes and algae. In Lake Rakovoe, with very large catchment and high external P loading, macrophytes are estimated to occupy 60% of its area and produce 106 g C m^-2 or 63% of the lake's annual primary production. In Lake Vishnevskoe with high TP content in lake water, determined by internal loading, phytoplankton is the main producer of organic matter; it produces 178 g C m^-2 or 85% of total annual production. The Conditions which determine different types of primary production composition are discussed.

Słowa kluczowe

EN

macrophytes; periphyton; phytoplankton; primary production; shallow lakes

• Wydawca: Museum and Institute of Zoology, Polish Academy of Sciences
• Czasopismo: Polish Journal of Ecology
• Rocznik: 2002
• Tom: Vol. 50, nr 3
• Strony: 357--370
• Opis fizyczny: Tab., wykr.,Bibliogr. 20 poz.,

Twórcy

autor

Trifonova I.

• Institute of Limnology RAS, Sevastianova 9, 196105 St. Petersburg, Russia

autor

Denisova I.

• Institute of Limnology RAS, Sevastianova 9, 196105 St. Petersburg, Russia

autor

Stanislavskaia E.

• Institute of Limnology RAS, Sevastianova 9, 196105 St. Petersburg, Russia

autor

Aphanasieva A.

• Institute of Limnology RAS, Sevastianova 9, 196105 St. Petersburg, Russia

autor

Ulianova D.

• Institute of Limnology RAS, Sevastianova 9, 196105 St. Petersburg, Russia

• Institute of Limnology RAS, Sevastianova 9, 196105 St. Petersburg, Russia,

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