Population Structure of Sandy Everlasting Helichrysum arenarium (L.) Moench in Relation to the Advancement of the Secondary Succession of Swards on Sandy Soils (original) (raw)

Infrastructure and Environment, 2019

Abstract

Helichrysum arenarium (L.) Moench is a perennial in the Asteraceae family that is under partial protection in Poland whose inflorescences are a source of valuable herbal material. Field observations were conducted over five consecutive growth seasons at permanent study plots in the Bory Tucholskie forest complex, Poland. The plots were in secondary anthropogenic replacement communities, which develop on poor sandy soils. Phytocenoses of initial, medium and most advanced succession were distinguished by the species composition of the communities. The aim of this study was to determine the density and morphological structure of shoots and ramets of the sandy everlastings, and of their potential and actual fertility as the early phase of secondary succession of swards advanced on sandy soils. Many features showed large variations caused by weather, but the stage of successional advancement in the phytocenoses had the greatest effect on the number of sandy everlasting shoots, their mass...

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