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Can we learn from the ecology of the Bohemian gentian and save another closely related species of Gentianella?
Z. Křenová, J. Brabec, S. Rössler, P. Kindlmann,
Language English Country United States
Document type Journal Article, Research Support, Non-U.S. Gov't
E-resources NLK Online Full text
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Links
PubMed
31856191
DOI
10.1371/journal.pone.0226487
Knihovny.cz E-resources
- MeSH
- Ecological and Environmental Phenomena * MeSH
- Phylogeny * MeSH
- Gentianella * MeSH
- Conservation of Natural Resources methods MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
Bohemian gentian (Gentianella praecox subsp. bohemica) is an endemic taxon that occurs on the Czech Massif and together with the Sturmian gentian (Gentianella obtusifolia subsp. sturmiana) are the only autumnal species of Gentianella with large flowers in central Europe. Both species have declined dramatically in both population size and numbers of populations. The Bohemian gentian rescue programme, which recommended appropriate management measures, was adopted in 2011. Here we study the ecology of this species, results of the rescue programme and explore the possibilities of using the experience resulting from this programme for improving the viability of the second species. Long-term monitoring of populations of the Bohemian gentian has shown that regular mowing or grazing together with careful litter removal and gap creation are necessary for its survival in the current climatic conditions. We found some ecological differences between these two closely related species of Gentianella. However, our empirical experience of the largest population of the Sturmian gentian at a site where it thrives, and general evidence that gaps are crucial for the successful establishment of Gentianella seedlings, indicate that regular mowing or grazing together with careful litter removal and creation of gaps, should also be recommended as in the case of the Bohemian gentian rescue programme. Artificial gaps are especially crucial for successful seedling regeneration in oligotrophic meadows with dense vegetation, where the last Sturmian gentian populations survive.
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- $a Křenová, Zdenka $u Global Change Research Institute CAS, Department of Biodiversity Research, Brno, Czech Republic. Charles University, Faculty of Science, Institute for Environmental Studies, Praha 2, Czech Republic. University of South Bohemia, Faculty of Science, České Budějovice, Czech Republic.
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