Ekologia Polska: Polish Journal of Ecology, Volume 31, Issues 1-2Polish Scientific Publishers, 1983 - Ecology |
Contents
T Ozimek X Biomass and distribution of submerged macrophytes 781 | 5 |
Enchytraeidae Oligochaeta of for | 9 |
G Makulec Enchytraeidae Oligochaeta of forest ecosystems L Density biomas and production | 57 |
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analysis ash-alder carr average basin biomass blue-green algae body weight bottom sediments catchment areas Chironomidae chlorophyll coefficient cohort content of total cotyledons Crustacea Cyclopoida density diaspores dimictic lakes distribution ecological ecosystems Ekol Ełckie enchytraeids epilimnion eutrophication fosforu gatunków Geranium robertianum groups of lakes growing season growth herb layer heterospecific flocks Iławskie Impatiens noli-tangere increase individuals jezior jeziorach Kajak Kierzlińskie lakes examined lakes in north-eastern Łyna near-bottom water layers nitrogen north-eastern Poland versus number of species nutrients oak-hornbeam forest occurred Oligochaeta organic nitrogen phytocoenosis phytoplankton phytoplankton biomass Piłakno pine forest plankton plants Poland Polish summary polymictic lakes population putris regenerating Rzeckie samples seed bank seedlings soil species combinations sphagnetorum spring structure stwierdzono summer swampy alder forest Sztumskie Table Tilio-Carpinetum tion total biomass total phosphorus trophic trophic gradient trophic groups Tuchel versus their trophic Wobel Zdanowski zooplankton