Nature Conservation Research. Заповедная наука 2016. 1 (3): 11–25 RARE SPECIES OF SHIELD-HEAD VIPERS IN THE CAUCASUS Boris S. Tuniyev Sochi National Park, Russia e-mail:
[email protected] Received: 03.10.2016 An overview is presented on shield-head vipers of the genus Pelias distributed in the post-Soviet countries of the Caucasian Ecoregion. The assessment presents the current conservation status and recommendations to vipers’ ter- ritorial protection. Key words: Caucasian Ecoregion, shield-head vipers, current status, protection. Introduction The Caucasian Ecoregion (the territory south- to-landscape descriptions (Tunieyv B.S. et al., 2009; ward from the Kuma-Manych depression to north- Tuniyev S.B. et al., 2012, 2014). The stationary works eastern Turkey and northwestern Iran) is the centre (mostly on the territory of the Caucasian State Nature of taxonomic diversity of shield-head vipers within Biosphere reserve and Sochi National Park) conducted the genus Pelias Merrem, 1820, of which 13–18 a study of the microclimatic features of vipers’ habitats species are found here. Without exception, all spe- including temperature and humidity modes of air and cies have a status of the different categories of rare- the upper soil horizon. The results were compared with ness, they are included on the IUCN Red list, or in thermobiological characteristics of the animals (Tuni- the current and upcoming publication of National yev B.S. & Unanian, 1986; Tuniyev B.S. & Volčik, and Regional Red Data Books. Besides the shield- 1995). In a number of cases difficult to determine the head vipers the Caucasian Ecoregion inhabit three taxonomic affiliation, in addition to the classical meth- representatives of mountain vipers of the genus ods of animal morphology and statistics, biochemistry Montivipera Nilson, Tuniyev, Andren, Orlov, Joger and molecular-genetic analysis methods have been ap- & Herrman, 1999 (M.