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The subject of the study was Lobelia dortmanna population structure under various biotope and phytocoenose conditions of the same phytolittoral depth range (0.8-1.0 m) in two lakes in northern Poland. L dortmanna populations were a priori subdivided into 9 smaller comparative units (subpopulations) on the basis of the following criteria: homogeneity of the biochore (i.e., area occupied by a phytocoenose) and the same plant community type. Within the subpopulations the following were determined: (1) density, (2) spatial organization, (3) age distribution, (4) proportion of seeds and vegetative diaspores. The method used was microscale underwater charting. The study was carried out in the period 1980-1984.
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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.