Beech (Fagus sylvatica L.) is one of the most important forest trees in Bosnia and Herzegovina in both economic and environmental terms. The total area of forest in which beech is present is approx. 1,652,400 ha. There is a proportionate need to plant new forests and produce genetically high quality seed and saplings. Biochemical analysis of the genetic structure of eight populations of beech using ten enzyme systems from 16 isoenzyme gene loci revealed significant differences between the populations analyzed. Variance levels were high in some gene loci, while in some populations monomorphism was recorded only for individual gene loci. The average number of alleles per locus ranged from 2.1875 to 2.5625, and the average number of genotypes per locus varied from 2.6875 to 3.2500. The multilocus genetic diversity at the population level ranged from 63.276 to 162.001, and the genofund diversity varied from 1.2708 to 1.3416.The average differentiation value obtained for all populations was fairly low (Dj=5.81), indicating a percentage of overall variance of about 94.194%.
New localities of the subendemic species Berberis croatica, Teucrium arduini and Micromeria croatica in the Dinaric Alps New localities of three subendemic species (Berberis croatica, Teucrium arduini and Micromeria croatica) have been found in the Dinaric Alps. Berberis croatica was found at ten new locations, nine of them in Croatia and one in Bosnia and Herzegovina. Teucrium arduini was found on Mt Učka, Mt Velebit, Mt Biokovo and Mt Sniježnica, at nine new locations while Micromeria croatica was found at four new locations, only on Mt Velebit.
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