Strabišov – Oulehla National Nature Reserve

The NNR covers a territory of 69.7 ha and includes forest stands and the neighbouring slopes on the right bank slopes of the Strabenický potok stream and the Litava river to the north-west of the village of Lísky on the borders of the Zlínský kraj – Zlín Region and the Jihomoravský kraj – South Moravian Region. Oulehla NNR was declared in 1953 and the second section – Strabišov – in 1956. The reserve is one of the richest localities for orchids in Moravia and we can also find thermophilous oakwoods, oak-hornbeam stands and thermophilous grasslands here.

According to the geomorphological classification, this area belongs to the Litenčická pahorkatina hill country district and the Středomoravské Karpaty (Central Moravian Carpathians) subunit. The basement is built of rocks of the Žďánice – Hustopeče formation of the Žďánice unit of the Outer Flysh Belt, which consists of calcareous clays, marls and sandstones. In places the flysh sediments are covered by loess. The minerals have a low resistance to erosion and erosion gulleys several metres in depth have formed here.
 
In the forested part of the reserve (Strabišov) the tree species composition was strongly modified in the past in favour of Norway spruce (Picea abies). Spruces do not naturally occur in this area and planting them on large areas in the past seriously affected the forest ecosystems. In the tree layer we can also find pendunculate oaks (Quercus robur), field maple (Acer campestre), hornbeam (Carpinus betulus) and ash (Fraxinus excelsior). The shrub layer includes Cornelian cherry (Cornus mas), dogwood (Cornus sanguinea) and the spindle tree Euonymus verrucosa. Herbs which grow in forest stands and clearings include lady’s slipper (Cypripedium calceolus), pale-flowered orchid (Orchis pallens), lady orchid (Orchis purpurea), lesser butterfly orchid (Platanthera bifolia), the helleborine Epipactis muelleri and others.

The Oulehla part of the reserve has the character of thermophilous grassland growths with the dominant species - erect brome grass (Bromus erectus), heath falsebrome (Brachypodium pinnatum) and the fescue - Festuca rupicola with scattered solitary Scots pines (Pinus sylvestris) and groups of junipers (Juniperus communis). In and around these tree and bush groups we can find toothed orchid (Orchis tridentata), great pasque flower (Pulsatilla grandis), clustered bellflower (Campanula glomerata) and the Siberian bellflower (Campanula sibirica). Other rare and protected species which have been recorded here include cross gentian (Gentiana cruciata), the aster - Aster amellus and columbine (Aquilegia vulgaris).

Common species of songbirds occur here as well as the reptiles – common lizard (Lacerta agilis) and slowworm (Anguis fragilis). The butterflies swallowtail (Papilio machaon) and dryad (Minois dryas) have also been recorded here.

Strabišov – Oulehla NNR is a part of the proposed Strabišov – Oulehla Site of Community Importance under the Natura 2000 system.