Zhodnocení možných příčin zvýšeného úhynu kapra obecného při rybochovném hospodaření na rybářském revíru Odra 2A – MO Ostrava

Abstract

This Bachelor thesis deals with the topical issue of the mortality rate of raised common carp (Cyprinus carpio) in the Odra 2A fishing district – area no. 5 – Tůně in Svinov and no. 6 Dolní Rezávka in the Ostrava municipal district of Svinov. The introductory chapter determines and characterises the fishing district area of interest. The second chapter specifies the manner of and the statistic evaluation for the appropriate fishing organisation‘s management as a part of the Czech Fishing Union. It also describes the current problematical issues related to raise fish mortality and guides to the proper method of fish mortality rate cause investigation procedure. The third chapter assesses the possible causes of fish mortality resulting in the final assessment and fish mortality causes determination in the monitored area. The last chapter proposes some measures to reduce the regular carp mortality related to the assessed area. The produced guide for fish mortality procedures is showed in the Annex to this Bachelor thesis.