@misc{Szmeja_Józef_The_1987, author={Szmeja, Józef}, editor={Polska Akademia Nauk. Instytut Ekologii}, copyright={Creative Commons Attribution BY 3.0 PL license}, address={Warszawa}, howpublished={online}, year={1987}, language={eng}, abstract={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.}, type={Text}, title={The ecology of Lobelia dortmanna L. 2, Population structure and dynamics within a constant depth interval in oligotrophic lakes}, URL={http://rcin.org.pl/Content/80097/PDF/WA058_87734_P2840-T35_Eko-Pol-A-Nr-3-4.pdf}, volume={35}, number={3-4}, journal={Ekologia Polska}, publisher={Polish Scientific Publishers}, keywords={Lobelia dortmanna, isoetid, population structure, population demography, phytocoenose-biotope conditions, oligotrophic lakes}, }