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Long term changes (15 years) of Collembola communities on drained fens

Kaczmarek M.

Polish Journal of Ecology

1998

Vol. 46, no 3

237-242

The species composition and abundance of Collembola communities in three drained fen sits of varying peat composition in north-east Poland were examined et interval of fifteen years. The dependence of biomass and abundance of the communities on abiotic conditions (precipitation, temperature, ground water level) were similar in all sits. It was found after fifteen years that in each site the proportion of different species, the domination of dominant species and mean individual weight became similar. It was explained by the increasing similarity of the peat substrates of the three sits over this period, itself connected with a decrease in fluctuation of the ground water level.