Abstract
In the present paper, are rendered the results of the research referring to the conservation status of the grasslands from two sites ‘Natura 2000’ located in Oltenia region, in South-Western part of Romania: ROSCI0202 Oltenia Forest Steppe and ROSCI0039 Ciuperceni - Desa. Within these sites, there are five habitats: 62C0* Ponto-Sarmatic steppes, 6260* Pannonic sand steppes, 6440 Alluvial meadows of river valleys of the Cnidion dubii, 6510 Lowland hay meadows (Alopecurus pratensis, Sanguisorba officinalis) and 1530* Pannonic salt steppes and salt marshes. The investigation of the conservation status of these habitats was carried out by assessing their conservation status at EU level, namely by assigning them to one of the four categories – “favourable”, “unfavourable-inadequate”, “unfavourable-bad”, and “unknown” – according to the stated attributes for each habitat, to the threats of destruction and to the dangers that may lead to their destruction or disappearance. By applying the evaluation matrix of the conservation state of the five habitats from the two sites Natura 2000, only three of the five studied habitats have a good conservation status: 62C0* Ponto-Sarmatic steppes, 6260* Pannonic sand steppes, 6440 alluvial meadows of river valleys of the Cnidion dubii. The habitat 1530* Pannonic salt steppes and salt marshes have a good-moderate status while 6510 Lowland hay meadows (Alopecurus pratensis, Sanguisorba officinalis) has amoderate-poor status. Referring to the characteristic structure and functions to the type of habitat, the research revealed that in numerous areas occupied by the five habitats good conservation conditions are not good.
Highlights
The issue of rare plants and habitats from the southern part of Oltenia (South-Western part of Romania) is far from being solved even if it is quite stringent
The surfaces covered by grasslands from the studied protected areas (ROSCI0202 Oltenia Forest Steppe and ROSCI0039 Ciuperceni - Desa) that are part of the sites of community importance of Natura 2000 network, are within the perimeter of many settlements from Dolj County (Ciupercenii Noi, Desa, Radovan, Perişor, Mărăcinele, Tencănău, Castrele Traiane, Verbicioara and Carpen)
Starting from spring to the end of summer, the physiognomy of these surfaces is mainly imposed by Festuca valesiaca, which is replaced by Dichanthium ischaemum (Fig. 1)
Summary
The issue of rare plants and habitats from the southern part of Oltenia (South-Western part of Romania) is far from being solved even if it is quite stringent. The surfaces covered by grasslands from the studied protected areas (ROSCI0202 Oltenia Forest Steppe and ROSCI0039 Ciuperceni - Desa) that are part of the sites of community importance of Natura 2000 network, are within the perimeter of many settlements from Dolj County (Ciupercenii Noi, Desa, Radovan, Perişor, Mărăcinele, Tencănău, Castrele Traiane, Verbicioara and Carpen). There are just a few floristic and vegetation studies referring to the surfaces covered by these habitats (Buia, 1959; Cârţu, 1968; Ionescu, 1971; Popescu et al, 2003; Ciocârlan 2000, 2009; Dihoru and Negrean, 2009; Sârbu et al, 2013). The floristic and vegetation analysis of the two sites highlight a high phytodiversity
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