"Ancient forest" plant species as ecological indicators of woodland condition in parks and their implications for park restoration Gatunki roślin "starych lasów" jako ekologiczne wskaźniki stanu zadrzewień parkowych i ich zastosowanie w rewaloryzacji parków
Presence of plant species, associated with ancient forests (continuous existence >200 years)
can be used for assessing woodland biodiversity. The aim of this study is to specify which plant species,
included in the ancient forests plant species list, can indicate old woodlands in parks and what plant
features are characteristic for certain habitat types. Richest in ancient forest plant species are those
fragments of woodlands, which have existed continuously for at least 120 years, and their fragments
suffered least from human pressure during that time, whereas recent woodlands are characterized by
a small share of ancient forest indicator species and domination of nitrophilous species. Investigated
plants usually propagate vegetatively, their seeds are of a small size and they have regularly, densely set
leaves. Plants associated with ancient woodlands are good indicators of woodland continuity in parks so
they can be used for age assessment in these areas. Accumulation of such plants can be a useful criterion
in parks evaluation. Proposed idea of sustainable management of a park space, including selection of
areas of a great ecological value, can be a chance to preserve woodland biodiversity.
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