Polish Journal of Ecology, Volume 22Polish Scientific Publishers, 1974 - Ecology |
Contents
A Stachurski Stabilization mechanisms of energy transfer by Ligidium hypnorum | 3 |
J Zim ka Predation of frogs Rana arvalis Nilss in different forest site conditions | 107 |
The University | 116 |
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Common terms and phrases
abundance actinomycetes activity algae analysis animals autumn average Białowieża biomass body weight calculated carabid Carabus Carex gracilis chrysorrhoea Cladocera commercial fertilizers constancy of occurrence Czerwiński decomposition decrease density dominant drainage basin Ecology Ekol estimated eutrophic fleas FMCF forest frogs g/m² grazed groups habitat higher increase Iris pseudoacorus July kcal kindtii lake Tałtowisko larvae layer leaf accumulation Leśny macrofauna manure metabolism method Mikołajskie Lake mineral mountains the Carpathians neustria nitrogen number of individuals occur oxygen consumption penning-up sheep percentage period phosphorus phytophages phytoplankton Pieniny mountains plankton plants population predators prey primary production priodonta Pterostichus pure pine stands relation rodents rotifers samples saprophages Scarabaeidae seeds sheep dung sheep pasture ecosystem sheep-fold soil sorbent-fertilizer species composition Spergula Spergula vernalis spring stage standing crop study areas summer surface t/ha temperature tion Toruń Traczyk values vipers Warszawa wind velocity zoophages zooplankton