Plant growth rate.

<p>Plant growth rate (in mg of plant dry mass per day) under eutrophic and hypertrophic conditions, for all the possible combinations of water and subpopulation and during the winter, spring and summer experiments. In the legend, AA, AV, VA, VV include the information on the treatment, the first letter refers to the type of water and the second one to the subpopulation (e.g. AV means <i>Alsatian</i> water and <i>Vosgian</i> subpopulation).