TITLE

VASCULAR PLANT BIODIVERSITY RICHNESS AND ENDEMO-RELICTNESS OF THE KARST MOUNTAINS PRENJ, ÄŒVRSNICA AND ÄŒABULJA IN BOSNIA AND HERZEGOVINA (W. BALKAN)

AUTHOR(S)
REDŽIĆ, Sulejman; BARUDANOVIĆ, Senka; TRAKIĆ, Sabina; KULIJER, Dejan
PUB. DATE
December 2011
SOURCE
Acta Carsologica;2011, Vol. 40 Issue 3, p527
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The complex of karstic mountains Prenj-ÄŒvrsnica and ÄŒabulja in Herzegovina (W. Balkan) is characterized by high level of both geomorphology and biodiversity richness. This has been confirmed by a research of plant communities, their structure and dynamics, which took place throughout several seasons from 2005 to 2008. In the investigated area the vegetation cover, as a reliable indicator for specific karstic circumstances, is being differentiated in a great number of syntaxa (plant communities) that encompass over 2,500 vascular plants. On the surface of about 100,000 ha identified were up to 236 plant associations, 116 alliances and 63 vegetation orders that belong to 34 classes. This amounts 34% of total of vegetation classes at the European level and 100% of so far known vegetation classes in Bosnia and Herzegovina, over 80% of classes at the level of Montenegro and Croatia. There have been identified nearly 450 endemic and relict species, which is why most of the identified communities are endemic and relict ones, not only at the level of association but also at the level of higher syntaxonomic categories, such as alliance and order. The highest diversity level characterizes those communities that make a direct contact with the calcareous geological foundation either in rock crevices belonging to the class Asplenietea trichomanis Br.-Bl. 1934 corr. Oberd. 1977, or screes on limestone that are comprised by the classes Thlaspietea rotundifolii Br.-Bl.1948 and Drypetea spinosae Quezel 1967, then sub-alpine and alpine pastures Elyno-Seslerietea Br.-Bl. 1948, and rocky grasslands Thero-Brachypodietea Br.-Bl. 1947. That high level of floristic and vegetation richness places this area among the most diverse areas both in Europe and whole Mediterranean. Such pattern of vegetation (syntaxonomy) and floristic diversity confirms undoubtedly the unique role of dinaric-herzegovina's karst as a complex of unrepeatable ecological factors on global scale.
ACCESSION #
89097573

 

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