Report on Scientific ActivitiesThe Instytut., 1973 - Ecology |
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activity Adamczewska-Andrzejewska agrocoenoses analysed animals arvalis bacteria Bajan benthos Biol biomass Breymeyer cent chemical Colorado beetle Corvidae crops decomposition density Department of Hydrobiology dry weight Dubniak Dziekanów Leśny effect environmental estimated eutrophication experimental experiments fertilization field forest fungi Gliwicz Godlewska-Lipowa grassland ecosystems Gromadzki hectare heterosis Hillbricht-Ilkowska Hydrobiology increase influence insecticidal fungi insects Institute of Ecology intensive J.I. Rybak Jakubczyk Kaczmarek Kajak Kałkowski Kamionek Karg Kmitowa Kozłowska laboratory Leśny Łódź Łomianki M.Sc macrophytes mammals Meetings and conferences Mikołajskie Lake mineral nematodes nitrogen organic matter parasitic pasture periphyton pest Ph.D phytophagous phytoplankton Pieczyńska Pinowski Plant Protection Poland population dynamics population numbers post-graduate student potato cultures predators primary production Prof pulations role Ryszkowski Sandner Scientific staff September soil species specimens spiders Stanuszek studied Symposium Szczepański Tarwid Technical staff tion Traczyk trophic Tubificide Turew University of Warsaw Wolański Wrocław Zoology zooplankton Żuławy