Ekologicko-faunistická charakteristika vodních malakocenóz (Mollusca) EVL Heřmanický rybník

Abstract

The main aim of this thesis was to acquaint with the biology and ecology of aquatic molluscs, with the data collection methods and determination of Heřmanickém pond. Heřmanický pond is a reservoir that is used to hold mine water, which dominates the higher salt content. Today is a fishing pond and is a very important bird sites. Collection was conducted from August 2009 until November 2009, using a colander. Most freshwater snails were found normal, little affected species (IUCN 2001). Introduced species are among levatka ostra (Physella acuta) or a pisecnik novozelandsky (Potamopyrgus antipodarum).