Historia naturalis bulgarica (Feb 2012)
Estimation of the faunistic diversity of the Kresna Gorge
Abstract
A total of 3199 species has been established in the Kresna Gorge, belonging to 355 families, 75 orders, 16 classes and 5 types. The taxa with Mediterranean type of distribution for some of the investigated groups are over 70%. Three hundred and eighteen species are rare (19.4%), endemics - 83 species (4.6%) and relicts - 16 species (5.3% of the bulgarian relicts). The number of taxa with conservation significance is about 400 (12.5%), of which 42 species are of the highest category - world importance.
