Resumen de The impact of disturbance on the site conditions and regeneration of a Dianthus carthusianorum population in sand grassland
The impact of disturbance on site conditions and regeneration of Dianthus carthusianorum L. in an abandoned patch of sand grassland Koelerion glaucae is examined in the paper. Observations were conducted in the years 2013‒2016, at a site with phytomass and topsoil artificially removed (NEW PATCH) and a site with untouched vegetation (OLD PATCH). The number and height of vascular plant species, plant and cryptogam cover and soil moisture were lower, while light availability and soil pH were higher in the NEW PATCH. The habitat conditions within an opening in the plant canopy enhanced the recruitment and growth of seedlings in D. carthusianorum, whereas variability of individual traits (i.e. number and features of rosette leaves, number and dimensions of generative stems, as well as fruit and seed production) in the studied patches might enable the persistence of a population in a post-disturbed place, as well as its escape from an overcrowded site.
