Horizontal phytoplankton studies in Lake Balaton, based on scooped samples and filtrates taken in 1967

Tamás, Gizella (1972) Horizontal phytoplankton studies in Lake Balaton, based on scooped samples and filtrates taken in 1967. A Magyar Tudományos Akadémia Tihanyi Biológiai Kutatóintézetének évkönyve, 39. pp. 151-188. ISSN 0365-3005

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Abstract

In the period between April and November, 1967 495 scooped samples and 117 net-filtrates from 15 sampling sites of five transversal sections were examined. Evaluation of the data showed that the identified 147 species, 11 varieties and 2 forms belonged to 6 phyla according to the following distribution: Cyanophyta 18, Euglenophyta 11, Pyrrophyta 5, Chrysophyta 65, Chlorophyta 60, Mycophyta 1. The number of individuals and species (709700 i/liter) was the biggest in the August collections from the Bay of Keszthely. The smallest number of species (44) and individuals (79900) was registered in the November collections of Balatonalmádi-Balatonvilágos and Ságpuszta-Balatonszemes, respectively- Chrysophytes had the highest values for both species and individual numbers as well as percentage in the summer samples taken in the Bay of Keszthely. During 1967 the distribution of the phytoplankton in Lake Balaton was uniform both horizontally and seasonally.

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