Revize moravsko-dolnorakouské arely křivatce českého (Gageabohemica s. lat.)
2017
The Moravian/Lower Austrian area of distribution of Gagea
bohemica was revised during a ten-year-long research project
(2008–2017). We focused both on localities of Gagea bohemica
subsp. bohemica, and on localities of Gagea bohemica subsp.
saxatilis. The Moravian/Lower Austrian area of distribution is
well delineated by the area of the so-called Praebohemicum. The
species prefers extremely dry and oligotrophic habitats with
shallow soils, common disturbances and decreased competition.
Particular attention was paid to localities on the edge of the
known area of distribution during the research. The known area
of distribution was significantly extended to the west. Despite
intensive research the species was not found at localities west
of the town of Vranov nad Dyji and in the vicinity of the city
of Brno. In this paper great attention was also devoted to
ecology of the species, the vegetation types in which it grows,
and we also discuss suitable types of management for Gagea
bohemica growths.
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