Marsh Fritillary (Euphydryas aurinia) in the Czech Republic: monitoring, metapopulation structure, and conservation of an endangered butterfly
2004
Thirty
coloniesof the
Marsh Fritillary(
Euphydryas
aurinia) have recently been recorded in Western Bohemia, Czech Republic. The majority of
coloniesare small, their total area are 1.5 km 2 . Small size and intensive grazing/mowing were positively associated with observed declines/extinctions, while abandonment threatens the
coloniesin the longer term. Short distances to nearest
coloniesbuffered against declines. High
colonyturnover, asynchronous local dynamics pointed and the species’biotope requirements all point to a dynamic
metapopulation
structure;
patternsof connectivity revealed that there are several
metapopulationswithin the region. Because conserving the species within its extant sites seems unsustainable in the long term, restoration of its habitats is proposed.
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