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Οι Περιοχές Άνευ Δρόμων (ΠΑΔ) είναι εκείνες οι χερσαίες περιοχές οι οποίες έχουν έκταση άνω του 1km2 και απέχουν πάνω από 1 km από τον πλησιέστερο δρόμο. H πολιτική σύνοψη διαρθώνεται στα εξής υποκεφάλαια:
1. Τι είναι οι περιοχές άνευ δρόμων - ΠΑΔ;
2. Ποια η σχέση των δρόμων με την απώλεια της βιοποικιλότητας;
3. Γιατί οι ΠΑΔ αποτελούν μείζον πολ...
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Background
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Citations
Balkan chamois is an ungulate mammal of Rupicapra rupicapra species and in particular of the subspecies R. r. balcanica. The overall chamois’ population in Greece is estimated between 1330 and 1765 individuals with four populations numbering more than 150 individuals. Chamois has an island-like distribution and in Greece occurs in Pindos Mountain range, Central Greece, Olympus, Rhodopes Mts. and the mountains bordering with North Macedonia.
Balkan chamois is considered as near threatened (NT) in Greece and is under protection by European and national law. Therefore, a non-invasive genetic sampling was implemented, using DNA extracts mainly from feces and hair samples. The present study investigates the genetic diversity and population structure of the balkan chamois in Greece. For this purpose, five microsatellite markers were amplified and successfully genotyped in 110 individuals from populations across the subspecies distribution.
Non-invasive genetic sampling proved to be a difficult task, especially from material of fecal origin. High levels of amplification and genotyping failure were observed, possibly due to low DNA yield and quality. Samples’ time of collection and their subsequent storage duration might be crucial for the observed failure rates.
The results revealed overall low genetic diversity of the subspecies in Greece when compared with other studies concerning the subspecies in Greece, which could be attributed to the smaller number of used microsatellites or the differences in sample size. Also, the genetic diversity is lower in relation to that of other balkan countries’ natural populations. Among the main sampling sites (Timfi Mt., Smolikas Mt., Olympos Mt., Frakto) the lowest genetic diversity was found in the population from Smolikas while the highest in Frakto region. Indications of genetic differentiation all studied populations apart from Smolikas and Timfi. Based on the data of this study, at least three diverse gene pools could be located in Greece, which correspond to the three different mountainous population blocks.
