www.old.acta-agrophysica.org / semi_year_book

vol. 7, nr. 2 (2006)



 
Species richness and spatial heterogeneity of spring plankton in a lake with varying morphometry
Agnieszka Budzyńska, Elżbieta Szeląg-Wasielewska
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Department of Water Protection, Adam Mickiewicz University, ul. Drzymały 24, 60-613 Poznań, Poland

vol. 7 (2006), nr. 2, pp. 309-316
abstract: Species richness and spatial heterogeneity of spring phyto- and zooplankton were studied in a slightly eutrophic lake. Plankton of one meter below the water surface was compared in the main basin of the lake, a shallow, small basin, and a bay of intermediate depth. The results suggest that the two shallower sampling stations lifted up the lake phytoplankton species richness considerably, whereas no such effect was noted for the zooplankton. There were differences between the three sampling stations in dominant taxa, as well as in the abundance and biomass of both phyto- and zooplankton.
keywords: species richness, spatial heterogeneity, phytoplankton, zooplankton
original in: Polish