National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Vliv velikosti a složení skupiny na reprodukci tamarínů pinčích
SMOLÍK, Vojtěch
In this master's thesis, I analyzed the effects of group size and group composition on the reproductive success of cotton-top tamarins (Saguinus oedipus) in captivity. In addition, the effects of other explanatory variables (e.g., parent rearing and litter size) on reproductive parameters of captive cotton-top tamarins were studied.
Circadian activity of tadpoles of Phyllobates vittatus.
DOSTÁLOVÁ, Michaela
Tadpoles are known to behaviorally respond to visual, auditory or chemical cues. I examined the influence of group size and light conditions on the activity of Phyllobates vittatus. I performed laboratory experiments to measure locomotor activity. Activity levels of tadpoles were higher in the groups. Light conditions did not influence activity level of tadpoles. My results suggest that the group size is one of the main factors influencing tadpole locomotor activity of Phyllobates vittatus.

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