Ekologicko-faunistická charakteristika měkkýšů (Mollusca) břehových porostů soutoku Moravy a Desné

Abstract

The aim of this bachelor thesis was to conduct research on mollusc confluence of the rivers Morava and Desna and subsequent eco-faunistic characteristics of the site. The investigated area is located in the village in the former Postrelmov Šumperk district at an altitude of about 284 m. The first part was conducted literature review on the subject and, secondly, characteristic of investigated sites in the last part was described mollusc research. In the surveyed areas have been identified four different sampling area. These areas were performed manually collecting land snails. Total found 17 kinds of snails shaped by 558 individuals. In terms of emergency under the IUCN 2001, two species in the region under study are classified as NT (near threatened species) and species: Faustina faustina (Rossmässler, 1835) and Perforatella bidentata (Gmelin, 1791), which were collected only the shell of gastropods.