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Systematics of oribatid mite families Damaeidae and Gymnodamaeidae (Acari: Oribatida) feeding ecology of selected oribatid species
Mourek, Jan ; Smrž, Jaroslav (advisor) ; Schatz, Heinrich (referee) ; Starý, Josef (referee)
I Summary Thepresentedthesisincludescontributionsontworelativelyindependentthemes: (1)particularta,ronomicalproblemsof Europeanmembersof theoribatidfamilies DamaeidaeBerlese,1896andGymnodamaeidaeGrandjean,1954basedon morphologicalstudiesand(2) feedingpreferencesof selectedoribatidmitesand theirinteractionswith saprotrophicfungiin pinelitter. Boththemesarelinkedmainlythroughsomeofthe usedmodelorganisms- thepredominantlymycophagousoribatidmitesof thefamilyDamaeidae. Thethesisconsistsof generalintroduction,in whichI reviewcurrentstateof knowledgein bothfieldsof studyfollowedby the synopsisof eachcontribution, agreementsof co-authorsand full-text versionscontributions.In total, seven primaryscientificcontributionsareincluded.Fourof the contributionsarealready published-three in peer-reviewedjournals and one in per-reviewedconference proceedings.Theremainingthreecontributionsaremanuscriptssubmittedto peer- reviewedjournals. Theconceptionof thethesishasgraduallychangedduringthestudyperiod. Originally,I intendedto focusmainlyonthemorphologyof immaturestagesof the genuscomplexDamaeussensulato(Damaeidae)andon feedingpreferencesof its selectedspecies.Later,thereviewof preliminaryresultsrevealed,thatmorphology of immatureDamaeussensulatooffersonly a low numberof characters,whichare of limitedvaluein...
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The feeding biology and growth of European weather loach (Misgurnus fossilis)in the first year
KOCIÁN, Pavel
The principal aim of this bachelor thesis is to describe the feeding biology and growth of European weather loach (Misgurnus fossilis). In Introduction, the overview of literary sources is presented and existing publications are documented. The main part of this thesis concerns the experiment itself, based on which the feeding biology and growth of European weather loach in the first year of its life is discussed, with primary accent on food determination and food supply description. In final section, the results of food preference and running growth of fish in various periods of reduction fishing are presented. The results have shown that in the first month, fish feeds dominantly on daphnias, rotifers and testaceas. In the beginning of the following period, the fastest growth of all individuals was observed and fingerling started to prefer water fleas, ostracods and chironomids larvae.
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