Current resources of the population of Adonis vernalis L. in the Niecka Nidziańska basin

JANUSZ ŁUSZCZYŃSKI, BOŻENA ŁUSZCZYŃSKA

Abstract

The population of Adonis vernalis in the Niecka Nidziańska basin has been described. The distribution of its resources, habitat requirements, threats and possibilities of protection are discussed. The occurrence of the species at 73 localities is confirmed. The development and persistence of the entire population depend on the dynamics of natural phytocoenoses in which grows. Resources, surface areas and development dynamics differ in individual subpopulations. Guidelines for collecting Adonis vernalis herb as a pharmacological material are given. Despite the number of the localities, the plant is under threat by overgrowing with bushes and resulting changes in light conditions as well as by frequent and excessive burning of xerothermic grasslands.
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