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National Repository of Grey Literature 12 records found  previous11 - 12  jump to record: Search took 0.00 seconds. 
Diet and reproduction of the tawny owl (\kur{Strix aluco})
 LUKA, Václav
This bachelor thesis deal with diet of tawny owl (Strix aluco) and its reproduction. The dominated food component were rodents and alternative prey compose mainly of birds. Reproduction successfulness didn´t exceed 56% in both years.
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The effect of abiotic and biotic factors on corolla colour polymorphism in \kur{Dactylorhiza sambucina} (Orchidaceae)
 KREMLOVÁ, Markéta
The European rewardless orchid Dactylorhiza sambucina commonly produces yellow- and purple-flowered individuals in frequencies that in different populations range from balanced to very unbalanced ones (we can find even monochromatic populations). I studied an effect of abiotic factors (soil pH, hydrolimits, slope and altitude of the locality), biotic factors (weight and viability of the seeds obtained from crossing between and within morphs) and the size of the populations on corolla colour of two morphs in European populations (the Czech Republic, Italy, Austria, Germany, France).
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National Repository of Grey Literature : 12 records found   previous11 - 12  jump to record:
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