Continental dry steppe
Quick facts
Red List habitat type | code RLE1.2b |
---|---|
Threat status | |
Europe | Near Threatened |
EU | Near Threatened |
Relation to |
|
Source | European Red List habitat factsheet |
European Red List of habitats reports | |
European Red List of habitats (Excel table) |
Summary
Open or closed arid, floristically rich or poor steppes or steppe-like grasslands of sub-continental and continental areas of Central, South-Eastern and Eastern Europe from sea level to maximum 1200-1300 m alt.They are widespread in the plains, lowlands, hills and foothills, mostly on slopes or plainly but elevated terrains. The localities have mostly southern exposure and different tilt, as a result of which the underground surface waters are absent and the humidity of the soil completely depends on the rainfall. The habitat comprises plant communities which have developed in different soil and climatic conditions. The bedrock is mostly calcareous (limestones, dolomites, marls) but it can also be silicate and even sandstones. The soils are very diverse: Phaeozems, Chernozems, Luvisols, Lithosols, Rankers and Rendzhinas, but generally dry, thick or shallow, eroded and stony. The plant species that participate in the composition of this herbaceous vegetation are adapted to long periods of drought. There are two rest periods, one of which is in summer. Their distribution in various climatic conditions reflects in their floristic composition and structure. Additional factors of the environment such as altitude, soil characteristics, including soil acidity and anthropogenic pressure also have an impact on these communities.
The plant communities are dominated by high, tuft-forming grasses and other perennial herbaceous species. Inn the west, such communities (Stipo-Poion xerophilae) extend to the lower arid slopes of valleys in Eastern and Central Alps. The typical steppes (Festucion sulcatae, Stipion lessingianae) are developed mostly on deep soils in Central and Eastern Europe. They are dominated from xerophytic grasses: Stipa spp., Festuca spp., Chrysopogon gryllus, Dichanthium ischaemum, Bromus spp. They may be of primary origin, especially in most continental regions on thick loess cover or on naturally eroded terrains with basic rocks outcrops. But in the sub-continental and foothill regions they can inhabit places of former destroyed woodland. In these parts, semi-shrubs and solitary trees have remained from the primary wood vegetation. In more humid regions, or on eastern and northern slope in primary steppes, the habitat is more like a meadow, with many tall herbs, among which Salvia spp., Phlomis spp. and Filipendula vulgaris. On eroded slopes there are various petrophytic steppes (Satureion montanae) on shallow, degraded humus-carbonate soils or sandy-clayey screes. These communities are dominated by perennial herbs and aromatic semi-shrubs like Satureja spp., Thymus spp., Genista spp., Teucrium spp., Hyssopus officinalis. In the southernmost parts of the habitat’s range and on the coastal areas of the Black Sea, besides perennial grasses and semi-shrubs, also many annuals with Mediterranean origin participate in the habitat. The species composition of steppes along the Northern Black Sea is a mixture between typical steppe grasses, semi-shrubs and southern annuals (endemic alliance Pimpinello-Thymion zigoidi). Very diverse are also steppe communities on slopes, ridges and tops of loess plateaus in the Danube plain. They range from typical primary grasslands on deep chernozems on the tops, to open and poor semi-ruderal communities (Artemisio-Kochion) on the steep loess outcrops. The last ones are relic communities from the Pleistocene and dominated by large tufts of Artemisia campestris, Chamaecytisus supinus, Kochia prostrata, Agropyron cristatum and Krascheninnikovia ceratoides. The richest steppes are found however outside th EU28+, in Ukraine, South Russia and Kazakhstan, regions of ecological and climatic optimum for steppes. Many different steppe syntaxa have described there, representing a large diversity of steppe vegetation.
Through the whole range, overgrazing of steppes has caused ruderalization and degradation of the habitat, which transforms into pastures dominated by low grasses like Cynodon dactylon and Lolium perenne, with many spiny, poisonous or non-patable species for cattle. The semi-ruderal grasslands dominated by Dichanthium ischaemum are also secondary, because due the overgrazing they may replace more natural communities dominated by Chrysopogon gryllus, Stipa spp., etc. Continental steppes are very important habitat for many plant and animal species including relics and endemics. They are also very valuable resource for cattle. The most fertile soils, Chernozems, are formed by the interaction of the steppe vegetation and loess. Because it, the most steppe areas are ploughed and replaced from agricultures.
Indicators of good quality:
In good conditions these grasslands have rich species composition and dominance of steppe grasses.Mainthreat is ploughing, urbanization, industrial, agricultural and communication infrastructure, overgrazing that leads to xerophytisation, ruderalization and changes in their structure and ecological characteristics. General aridisation of the climate, fertilization of the neighbouring agricultural land, stone pits, digging activities, deposition of industrial and household waste, invasion of alien species, developing of tree and shrub vegetation are also serious threats. Complete abandoning of the grazing in foothill areas led to shrub and tree invasion as a process of restoration of former woodland.A patchy pattern of grassland and shrubs on a landscape scale is, on the other hand, of importance for many typical insects, birdsand reptilians.In such cases, especially for secondary steppes in foothill and low mountain areas, more intensive management may be needed for maintenance. The following characteristics may be considered as indicators of good quality, but these indicators differ in different regions depending by origin, geographical position and level of human disturbance:
- High species richness
- Presence of rare and/or threatened species mostly with relic steppe origin
- Low cover and balance of encroaching shrubs and trees
- Absence of invasive species
- Sustainability of traditional human activities: mowing, grazing, gathering of medicinal plants, fungi, etc.
Threat status
Synthesis of Red List assessment
EU | |
Red List Category | Red List Criteria |
Near Threatened | A1 |
Europe | |
Red List Category | Red List Criteria |
Near Threatened | A1 |
Confidence in the assessment
Pressures and threats
- Agriculture
- Modification of cultivation practices
- Agricultural intensification
- Grassland removal for arable land
- Grazing
- Intensive grazing
- Abandonment of pastoral systems, lack of grazing
- Fertilisation
- Sylviculture, forestry
- Forest planting on open ground
- Urbanisation, residential and commercial development
- Urbanised areas, human habitation
- Natural biotic and abiotic processes (without catastrophes)
- Biocenotic evolution, succession
- Species composition change (succession)
Habitat restoration potential
Trends in extent |
|
Average current trend in quantity |
|
Decreasing ![]() |
Decreasing ![]() |
EU28 | EU28+ |
Trends in quality |
|
Average current trend in quality |
|
Decreasing ![]() |
Decreasing ![]() |
EU28 | EU28+ |
Conservation and management needs
List of conservation and management needs
- Measures related to agriculture and open habitats
- Maintaining grasslands and other open habitats
- Measures related to spatial planning
- Establish protected areas/sites
- Legal protection of habitats and species
Distribution
Geographic occurrence and trends
EU28 | Present or presence uncertain | Current area of habitat (Km2) | Recent trend in quantity (last 50 years) | Recent trend in quality (last 50 years) |
---|---|---|---|---|
Austria | Present | 7.6 | Decreasing | Decreasing |
Bulgaria | Present | 988 | Decreasing | Decreasing |
Czech Republic | Present | 22 | Decreasing | Decreasing |
France mainland | Present | 100 | Decreasing | Decreasing |
Germany | Present | 130 | Decreasing | Decreasing |
Hungary | Present | 407 | Decreasing | Decreasing |
Italy mainland | Present | 25 | Decreasing | Decreasing |
Poland | Present | 2 | Decreasing | Decreasing |
Romania | Present | 1700 | Decreasing | Decreasing |
Slovakia | Present | 15 | Decreasing | Decreasing |
Croatia | Present | 1.3 | Decreasing | Decreasing |
Slovenia | Present | Unknown | Unknown | Unknown |
EU28 + | Present or presence uncertain | Current area of habitat (Km2) | Recent trend in quantity (last 50 years) | Recent trend in quality (last 50 years) |
---|---|---|---|---|
Bosnia and Herzegovina | Present | 20 | Decreasing | Decreasing |
Montenegro | Present | unknown | - | Unknown |
Serbia | Present | - | - | |
Switzerland | Present | 60 | Decreasing | Stable |
Albania | Uncertain | - | - | |
Kaliningrad | Uncertain | - | - | |
Former Yugoslavian Republic of Macedonia (FYROM) | Uncertain | - | - |
Extent of Occurrence, Area of Occupancy and habitat area
Extent of Occurrence (EOO) (Km2) | Area of Occupancy (AOO) | Current estimated Total Area | Comment | |
---|---|---|---|---|
EU28 | 1683200 | 1596 | 3400 | |
EU28+ | 1636 | 3500 |
EOO = the area (km2) of the envelope around all occurrences of a habitat (calculated by a minimum convex polygon).