Polish Journal of Ecology, Volume 22Polish Scientific Publishers, 1974 - Ecology |
Contents
A Stachurski Stabilization mechanisms of energy transfer by Ligidium hypnorum | 5 |
J Zimka Predation of frogs Rana arvalis Nilss in different forest site conditions | 31 |
Spodnie wska The structure and production of phytoplankton in Mikołajskie Lake | 65 |
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Common terms and phrases
abundance actinomycetes activity algae analysis average biomass biotope calculated carabid Carabus Ceratium hirundinella Cladocera commercial fertilizers constancy of occurrence Czerwiński decomposition decrease density domination drainage basin Ecology ecosystem effect Ekol estimated eutrophic faeces fertilization and liming FMCF forest frogs g/mē grazed groups habitat higher humus increase kindtii lake Tałtowisko larvae layer leaf accumulation Leśny Lumbricidae macrofauna manure maximal method microflora microorganisms Mikołajskie Lake mineral mountains the Carpathians neustria nitrogen number of individuals observed occur penning-up sheep percentage period phosphorus phytophages phytoplankton Pieniny mountains plankton plant plots treated population predators primary production priodonta Pterostichus pure pine stands relation rotifers samples saprophages Scarabaeidae seeds sheep dung sheep pasture ecosystem sheep-fold soil sorbent-fertilizer species composition Spergula vernalis spring stage study areas surface temperature tion Toruń total number Traczyk understorey values vegetation vipers Warszawa weight wind velocity zoophages zooplankton