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 rophic chain | 43 |
Foreword C BAJAN 5 | 5 |
21 other sections not shown
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Common terms and phrases
algae amount BAJAN Beauveria bassiana Beauveria bassiana Bals biological biomass Bird Census bird communities breeding bird Brown et Smith census chemical chlorfenvinphos Colorado beetle Colorado beetle adults concentrations cover density dose ecol ecosystem effect efficiency entomopathogenic fungi estimated eutrophic FEDORKO fertilization field forest fumoso-roseus gatunków gleby grassland groups grzybów habitat herbicides hibernation higher HILLBRICHT-ILKOWSKA increase individuals insects investigations isolators KMITOWA lakes Land Reclamation larvae layer linuron mapping method meadow sward mellonella monolinuron mortality muck Nauk nematodes nicieni nitrogen non-predatory zooplankton number of species observed OKRUSZKO Paecilomyces Paecilomyces farinosus Dicks parasitic Parus pathogens peat peatland period phytoplankton plankton plant plot Poland Polish Ecological population predators Pristionchus uniformis production reclamation reinvasion sample season siedlisku soil song thrush spores sprayed stonki ziemniaczanej Stud studies Table tall-sedge territories transect trophic values Vuill water bodies winter Wizna fen WOJCIECHOWSKA zooplankton