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Národní úložiště šedé literatury Nalezeno 3 záznamů.  Hledání trvalo 0.02 vteřin. 
Je ucho podzemních hlodavců skupiny Hystricomorpha specializované na podzemní prostředí?
 KOUCKÁ, Anna
The aim of this work is to develop a review on the morphology of the auditory system in rodents with different levels of underground activity, to compare the morphology within the group Hystricomorpha and to evaluate whether the auditory system in some rodents of this group is specialized in the underground environment.
Úplný záznam
What happens to ear morphology on the way underground? A case study on the family Spalacidae.
 PLEŠTILOVÁ, Lucie
This PhD thesis is concerned with the effect of specialization to the subterranean environment on ear morphology in the rodent family Spalacidae. The outer, middle and inner ear morphology in four species with a different proportion of subterranean activity was described and analyzed. The Chinese bamboo-rat (Rhizomys sinensis) was identified as fossorial regarding its ear morphology. The strictly subterranean Gansu zokor (Eospalax cansus) possess a highly specialized subterranean ear morphology with a suggested acoustic fovea. Meanwhile, the less subterranean African root-rat (Tachyoryctes splendens) shares traits with both strictly subterranean and epigeic rodents. The aboveground characteristics are even more prominent in the fossorial giant root-rat (T. macrocephalus). Taken together, the results confirm that the ear morphology of spalacids mirrors their degree of fossoriality.
Úplný záznam
The detection of thermal windows in fossorial rodents with varied sociality degree
 VEJMĚLKA, František
Eight rodent species with fossorial activity differing in a number of characteristics such as ecology, climatic conditions, geographical distribution, or kinship were studied using infrared thermography in order to describe their surface temperature and its patterns. An attempt to describe the relation between surface temperature and varied social organisation in burrowing rodents was made.
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