Polish Journal of EcologyPolish Scientific Publishers, 1976 - Ecology |
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Page 238
... hypolimnion was recorded in August 1971 and in July 1972. The highest content of oxygen dissolved in water was usually found on the border of meta- and hypolimnion , and the saturation of water with oxygen in the hypolimnion did not ...
... hypolimnion was recorded in August 1971 and in July 1972. The highest content of oxygen dissolved in water was usually found on the border of meta- and hypolimnion , and the saturation of water with oxygen in the hypolimnion did not ...
Page 451
... hypolimnion ( 5 species ) , and the highest in metalimnion ( 8 species ) , and all dominant and subdominant species in hypolimnion remained such in higher water layers . In the majority of samples from both lakes the dominants and ...
... hypolimnion ( 5 species ) , and the highest in metalimnion ( 8 species ) , and all dominant and subdominant species in hypolimnion remained such in higher water layers . In the majority of samples from both lakes the dominants and ...
Page 455
... hypolimnion the biomass maximum of Ceratium hirundinella was much smaller and usually a week later than in higher layers , thus allowing to assume that the reproduction and growth of this species occurs in the epi- and metalimnion , and ...
... hypolimnion the biomass maximum of Ceratium hirundinella was much smaller and usually a week later than in higher layers , thus allowing to assume that the reproduction and growth of this species occurs in the epi- and metalimnion , and ...
Contents
Interactions between individuals of a population of the bank vole | 8 |
E RajskaJurgiel Interactions between individuals of a population of the bank vole Clethrio | 8 |
Grüm Biomass production of carabidbeetles in a few forest habitats | 37 |
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activity animals assimilation autumn average bank vole benthic benthic biomass benthos bentonite bentonite 10 t/ha bentonite 30 biomass biomass production calculated CaO/ha carabids carp changes Chironomidae cm² consumption coprophagous Czarna Kuta decomposition density determined dipteran dipteran larvae Dreissena polymorpha dry weight dry weight/m² Ecology effect of fertilization Ekol epilimnion eulittoral eutrophic experimental faeces females Fertilizer combinations fish fruit-bodies g of dry groups growth Grüm herb layer plants home range hypolimnion increase individuals investigated Kajak Lake Piaseczno Lake Smolak lake Śniardwy larvae leaf lignin litter males metalimnion method microorganisms Mikołajskie mite nitrogen observed Olszowski open population organic matter oxygen percentage period phytoplankton Piaseczno Piecek Pilica plankton plots treated POLISH SUMMARY STRESZCZENIE pollution polymorpha postcausticization lime primary production samples saprophages season Śniardwy soil standing crop summer Table temperature Tubificidae Vaccinium vitis-idaea water bodies young plantations