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The condition and fecundity were studied of Lobelia dortmanna individuals growing within the same phytolittoral depth interval, 0.8 – 1.0 m, in two oligotrophic lakes in northern Poland (southern range of the species). The response was determined of this plant to: (1) kind of sediment and type of plant community, (2) varying population density, (3) competitive action of Littorella uniflora (L) Aschers., Myriophyllum alterniflorum DC., Carex rostrata Stokes and Juncus bulbosus L. A considerable plasticity, among other things has been demonstrated of individuals under identical phytocoenotic and biotope conditions, advantageous reactions of an oligophilous plant to increasing sediment fertility, and phenotypical plasticity.
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Projects co-financed by:
Operational Program Digital Poland, 2014-2020, Measure 2.3: Digital accessibility and usefulness of public sector information; funds from the European Regional Development Fund and national co-financing from the state budget.