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Chushterevska Et.Al..Pdf ПРИЛОЗИ, Одделение за природно-математички и биотехнички науки, МАНУ, том 37, бр. 2, стр. 107–127 (2016) CONTRIBUTIONS, Section of Natural, Mathematical and Biotechnical Sciences, MASA, Vol. 37, No. 2, pp. 107–127 (2016) Received: October 11, 2016 ISSN 1857–9027 Accepted: November 07, 2016 e-ISSN 1857–9949 UDC:633.2.03(497.771-751.2) DOI:10.20903/CSNMBS_MASA.2016.37.2.39 Original scientific paper DRY GRASSLAND VEGETATION ON GALIČICA MOUNTAIN (SW MACEDONIA) Renata Ćušterevska Institute of Biology, Faculty of Natural Sciences and Mathematics, Ss. Cyril and Methodius University, Skopje, Republic of Macedonia [email protected] This paper presents the dry grassland vegetation (Festuco-Brometea) on the Galičica Mountain. The research un- derlying this study was carried out in the period of 2009–2010 at several localities, on carbonate substrate from Ohrid and Prespa sides. Registered community of this type is subordinate to xerophilous vegetation of the Festuco-Brometea the order Astragalo-Potentilletalia Micevski [1] and alliance Saturejo-Thymion Micevski [2]. From the floristic compo- sition and the detailed phytocoenological analysis of the investigated vegetation it was concluded that it is represented by ass. Siderito montanae-Trifolietum dalmaticae ass. nova subass. erodietosum guicciardii subass. nova. Key words: vegetation, dry grasslands, Galičica INTRODUCTION long to the class Festuco-Brometea, order Astraga- lo-Potentilletalia Micevski [1] Matevski [6]. This study deals with the syntaxonomic posi- Festuco-Brometea class is represented by tion and the ecological characteristics of the dry thermophilic communities that develop mainly in grasslands on the territory of the National Park the belt of hilly pastures, rocks and pastures with Galičica. Dry grasslands have an important role in deeper soil layer. The communities of this class are sustaining the biodiversity of the National Park prevalent in the area of Atlantic, Central Europe Galičica by harboring many rare and endangered and in the sub-Mediterranean region [7]. Xeroph- plant species (Erodium guiciardii, [3], Minuartia ilous vegetation of the class Festuco-Brometea co- glomerata subsp. macedonica, Centaurea grise- vers large areas of the Balkan Peninsula from the bachii, Verbascum longifolium subsp. pannosum, sub-Mediterranean zone to subalpine belt, at an etc.) In the lowland belt to 1000 (1200) above sea altitude between 200 and 1550–1600 m. The com- level, in the belt of oak forests (Fraxino orni- munities in this class find optimal conditions for Quercetum petraeae, Ostryo carpinifoliae- their development on warmer habitats, secondary Quercetum cerris and Fraxino orni-Quercetum habitats that represent the final stages of degrada- cerris), and some in the lower belt of beech forest, tion of forest vegetation communities of the follow- on the altitude of 700–1200 m [4], [5], with their ing orders: Quercetalia pubescenti-petraeae Klika degradation (uprooting, burning or prolonged use [8] and Fagetalia sylvaticae [9]. In the composition of forests for firewood or other uses), these habitats of the communities that have developed in the are gradually transformed into dry grasslands which southern part of the Balkan Peninsula the species of are secondary phytocenoses maintained through Balkan, Illyrian, south Balkan, southeast-European grazing and other anthropogenic activities. The floral elements, as well as local endemic species, communities of this vegetation type from the cen- are of particular significance. tral and southern parts of the Balkan Peninsula be- 108 Renata Ćušterevska For the Balkan Peninsula, two regional alliance Saturejo-Thymion was ass. Brachypodio- orders of the Festuco-Brometea have traditionally Onobrychetum pindicolae [2], therefore, 1971 is been used: Festucetalia valesiacae (pontic), considered as the year when the alliance and the Astragalo-Potentilletalia (central Balkans) and order were validly described. Scorzonero villosae-Chrysopogonetalia grylli (Il- Within the order Astragalo-Potentiletallia, lyrian region) [7]. from the Republics of Serbia and Kosovo the alli- The dry grasslands on the territory of Mace- ances Scabioso-Trifolion dalmatici [16] and Ko- donia, according to Micevski [1, 2, 10], are subor- elerio-Festucion dalmaticae [17] were described, dinated to the order Astragalo-Potentilletalia and while from the territory of Greece, the alliance were divided into three alliances - Trifolion cherleri Alyssion muralis [18] was described, but in the Micevski [11], Saturejo-Thymion Micevski [2] and light of new research, according to the concept of Armerio-Potentillion Micevski [10]. Mucina et al, [12], they have been transferred to At that time Micevski could not have an other orders within the class, or within other clas- overview of the vegetation of Europe, and integrat- ses. ed all dry grasslands into one order that is nowa- The study area was previously an object of days divided into several classes. According to the floristic and vegetational investigations [19–26]. latest concept of Mucina et al. [12], the alliance The present study was thus aimed at gaining a more Trifolion cherleri, which includes the communities complete understanding of the vegetational charac- of the belt of hilly pastures that develop on silicate teristics of the dry grasslands of the investigated surfaces in the altitude belt of 100–900 m, is trans- area, as a basis for synphytosociological studies. ferred to the class Helianthemetea guttati, while the All this indicated the necessity of taking additional communities of the alliance Armerio-Potentillion, phytocoenological research, taking into account the which develop also on silicate substrate on the terri- progress in the floristic knowledge of the mountain, tory of Macedonia and inhabit the area between using modern phytocoenological methods and re- 1000–1400 m, are transferred to the class Stipo gi- specting the International code of phytosociological ganteae-Agrostietea castellanae Rivas-Mart. et al. nomenclature. [13], Romeo di Petro et al. [14]. In accordance with The article is dedicated to Acad. Kiril Mi- the latest sintaxonomic solutions, Matevski et al. cevski, one of the pioneers of modern vegetation [12] the order Astragalo-Potentilletalia is associat- studies in Macedonia. Acad. Micevski special- ed only with the communities of the belt of hilly ized in the phytocoenological methodology ac- pastures on the territory of Macedonia and northern cording to Braun Blanquet under the mentor- Greece, which develop on carbonate substrate and ship of one of the well known phytocoenologists belong to the alliance Saturejo-Thymion. – Prof. Stjepan Horvatić. As a result of his re- The order Astragalo-Potentilletalia, which is search activities that lasted over 50 years he especially important for the southern Balkans or gave a general survey of the vegetation of Mace- eastern sub-Mediterranean, unites communities donia by elaborating many vegetation types. He from the hilly pastures that develop under the im- made an outstanding contribution to the investi- pact of the Mediterranean or modified Mediterrane- gation of the water, marsh and halophytic vege- an climate, on carbonate geological surface [1]. As tation, as well as of lowland meadows. His con- a result of the ecological conditions, the dry calcar- tribution to the study of dry grassland vegeta- eous grassland communities on the territory of the tion is also remarkable as he established the re- Republic of Macedonia can be divided into two search principles and described an order and subgroups: steppe that develop on a flat surfaces three alliances (Astragalo-Potentilletalia, Trifo- with fragmented bedrock, and rocky grasslands. lion cherleri, Saturejo-Thymion and Armerio- This order, according to the concept of Mat- Potenillion) on the basis of which numerous evski et al. [6], is represented by the alliance communities have been described. Saturejo-Thymion Micevski [2]. It should be noted that the alliance Saturejo-Thymion and the order Astragalo - Potentilletalia, which were described AREA OF RESEARCH by Micevski [1], were validated a year later because according to the "International code of The heterogeneity of vegetation cover of the phytosociological nomenclature" [15] if a union is Mountain Galičica, is undoubtedly a result of spa- to be validly described, it should also include at tial and environmental uniqueness of the massif, its least one validly described association. Considering geological history and climate specifics. Mountain that, the first association described validly from the Galičica is a horst which was elevated by the tec- Contributions, Sec. Nat. Math. Biotech. Sci., MASA, 37 (2), 107–127 (2016) Dry grassland vegetation in the Galičica Mountain (SW Macedonia) 109 tonic movements in the past and which relatively of mild continental or modified (sub) Mediterrane- clearly stands out from the surrounding mountains an climate. Favorable climatic circumstances and as a separate geo-morphostructural whole. To the dominant limestone geological substrate, create east and west the mountain is clearly limited by two good environmental conditions and ambient for major natural lakes - Ohrid and Prespa (Figure 1), development of a number of plant species and plant to the south by the valley of Korča in Albania, communities typical of Mediterranean or sub- while to the north it is connected with Plakenska Mediterranean flora and vegetation. It can be seen and Ilinska mountains through Preval of Bukovo in all parts of the
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