Polish Ecological Studies, Volume 3Polish Scientific Publishers., 1977 - Ecology |
Contents
Concepts and methods of estimating ecological efficiency and its components in the plankton | 24 |
Variability of ecological efficiencies and their determining factors in the pelagic opluc chain | 43 |
Marcjanna WOJCIECHOWSKA Cecylia BAJAN and Krystyna KMITOWA The effects of car | 29 |
22 other sections not shown
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Common terms and phrases
algae allochthonous amount bacteria BAJAN Beauveria bassiana biological biomass Bird Census bird communities breeding bird Brown et Smith calculated census chemical chlorfenvinphos Colorado beetle Colorado beetle adults concentrations consumers consumption copepods decomposition decrease density detritus dose ecol ecosystems effect entomopathogenic fungi estimated eutrophic FEDORKO fertilization Festuca field filtrators fishes fumoso-roseus gatunków gleby grassland grzybów habitat herbicides higher HILLBRICHT-ILKOWSKA increase individuals insects investigations isolators Kajak KMITOWA lakes larvae layer linuron meadow sward mellonella method moisture monolinuron mortality muck nannoplankton Nauk nematodes nicieni nitrogen non-predatory zooplankton observed OKRUSZKO oligotrophic organic matter Paecilomyces Paecilomyces farinosus parasitic pathogens peat peatland pelagial period phytoplankton plankton plant plot Poland Polish Ecological population predators primary production Pristionchus uniformis rotifers samples season siedlisku soil species spores stonki ziemniaczanej studies Table tall-sedge territories trophic values water bodies WINBERG winter Wizna fen WOJCIECHOWSKA