Ekologická obnova v České republice II

0499033 - BÚ 2019 RIV CZ cze M - Monography Chapter
Dostálek, J. - Frantík, Tomáš
Obnova suchého vřesoviště v Praze: porovnání účinku pastvy a shrnování drnu.
[Dry heathland restoration in Prague: An assessment of the effectiveness of grazing and sod-cutting.]
Ekologická obnova v České republice II. Praha: Agentura ochrany přírody a krajiny České republiky, 2018 - (Jongepierová, I.; Prach, K.; Pešout, P.), s. 111-114. ISBN 978-80-88076-83-4
Institutional support: RVO:67985939
Keywords : heather * heathland * sheep grazing
OECD category: Biodiversity conservation
http://www.ochranaprirody.cz/publikacni-cinnost/publikace/ekologicka-obnova-v-ceske-republice/

V PP Zlatnice na severovýchodě Prahy byl sledován účinek extenzivní pastvy a shrnování drnu na regeneraci suchého vřesoviště. Výsledky experimentu ukázaly, že extenzivní pastva je vhodným prostředkem k obnově zaniklých suchých vřesovišť na mělkých chudých půdách. V některých případech je však možné pastvu kombinovat s odstraňováním drnu, které je také účinnou metodou. Použití samotného odstraňování drnu je však technologicky náročnější.

The vegetation of low altitudinal dry heathlands in Central Europe (Euphorbio cyparissiae-Callunion vulgaris) decays due to the abandonment of traditional management, associated with a gradual overgrowing by woody species and with nutrients inputs. Extensive grazing and sod-cutting that is traditionally recommended to renew the vegetation of Calluna vulgaris from seed pool was introduced to restore disappeared stands of heath. Both grazing and sod-cutting had a direct impact on the restoration of the vegetation of Calluna vulgaris. In two years after introducing grazing, the cover of heath increased most on the grazed areas. The cover of heath in the areas managed by sod-cutting started increasing significantly in the third year following the removal of sod and reached the values comparable with the grazed areas. A regular grazing hindered increase in the cover of herbs that was more viable after single sod-cutting. Sod-cutting supported expansion of mosses. The experiment suggests that extensive grazing is perhaps the most appropriate tool to renew the disappeared dry heathland on the poor shallow soils after more than twenty years after its extinction. In some cases, however, it is possible to combine grazing with sod-cutting that represents another efficient method. The use of sod-cutting itself is more demanding and brings a higher risk of overgrowing by undesired herbs and woody species, resulting to a repeated degradation of the vegetation of Calluna vulgaris.
Permanent Link: http://hdl.handle.net/11104/0291327