Ekologicko-faunistická charakteristika vodních malakocenóz (Mollusca) hornické krajiny (Karviná-Doly)

Abstract

Submitted work is dealing with ecological-faunistic characteristics of acquatic molluscan in mining landscape, Karvina – Doly. Primary objective of this bachelor work is to get familiarized with factors that influence the occurrence of aquatic molluscan, its bioindication significance with methods of its collections and determination. The first part of the work describes general characteristics of molluscans with the aim to acquatic molluscans. In the following part we can find description of nature in researched location, to which characteristics of bioty in researched area connects. In this part short specification of fauna and flora aimed at acquatic kinds is mentioned. This work continues with processing and analysis of found kinds of acquatic molluscan in mentioned location. Altogether was found 10 kinds of acquatic molluscan. Predominantly it consists of commonly present kinds. Major part of found kinds belong among derived kinds. In conclusion follows the comparison with earlier research and results‘ summary of found kinds with a short commentary.