Polish Journal of Ecology, Volume 45Polish Scientific Publishers, 1997 - Ecology |
Contents
N Røv Recent trends in cormorant Phalacrocorax carbo population in Norway | 117 |
Stanevičius S Paltanavičius The cormorant Phalacrocorax carbo | 123 |
S Dirksen T J Boudewijn Effects of organochlorine contaminants on cormorants | 137 |
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Abberton Aceri-Tilietum acid alder anthropogenic badań Biebrza biomass birds breeding population bryophytes changes composition concentrations cormorants Phalacrocorax carbo cover coefficient Czerwiński degenerative form detritus dominant dynamics ecol Ecology ecosystems Eerden Ekol enchytraeid Enchytraeidae eutrophication fertilization fish fisheries Flevoland foliage biomass g dry wt Gdańsk grassland ground flora ha¹ habitat herb layer hornbeam humus IJsselmeer increase inflow Isoëtes isoetids KEY WORDS kg ha-¹ Knyszyn Forest kormoranów kormorany lakes Lelystad liczebności Lime Littorella Lobelia meadows Melitti-Carpinetum mineral mire morants munities needle production nests nitrogen nitrogen forms number of cormorants nutrient pairs peat peatlands phytocenosis Picea abies pine forest Pinus-Fragaria plant plots Poland pratensis ptaków river roost Rubus idaeus Scots pine season secondary communities sedge-moss serotina sewage species surface Suwałki Table Tilio-Carpinetum tion total-P Traczyk tree Urtica dioica Vaccinium vegetation Warszawa wintering Wizna