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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Ref ID : 1953

Alois Herzig; The analysis of planktonic rotifer populations: A plea for long-term investigations. Hydrobiologia 147:163-180, 1987

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Short-term species succession, and long-term community development, of planktonic rotifer populations of the temperate zone and factors influencing species' abundance (i.e., physical and chemical limitations, food and exploitative competition, mechanical interference competition, predation, parasitism) are described and discussed. The long-term development of plankton communities in three European lakes is described and the major events are discussed in relation to ecological interactions. Frequently, the shortcomings of our knowledge about population ecology and ecophysiology of rotifers prevent explanations of short-term and, especially, of long-term developments of these plankton organisms. The need for qualitative and quantitative observations in the field and in the laboratory over long periods becomes obvious.