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National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Study of spatial activity of small mammals inhabit isolated forest draws in agricultural landscape with a focus on the use of surrounding food sources.
 HAVLOVÁ, Jitka
Habitat fragmentation during 50s of 20th century caused decrease in food resource availibility for many small mammalian forest species. Despite all of the changes, those species managed to adapt to it - one of the adaptation mechanics has been migrating into agricultural areas. The main aim of this study was to describe the spatial activity of Apodemus sylvaticus and Myodes glaerolus inside two forst patches and compare it. My next aim was evaluate the significance of agricultural areas nearby the researched forest patches. One part of this was even the comparison of different marking techniques used for rodents in field. Data describing movement activity of researched species were collected using capture-mark-recapture (CMR) As expected the data differ - Greater mobility was found in A. sylvaticus, the M. glaerolus preffered to stay inside patches with larger vegetation cover. The raids into surrounding patches differed even in those two researched forest sites. In site "Samota" A. sylvaticus showed greater movement distance, however in "Hejtman" it were M. glaerolus expressing greater movement ability. Theirs movement were directed inside clover field. Both species of Samota site ventured into patches with dense plant cover, perhaps to minimise the risk of predation. The best method of marking proved to be the clipping the rodents ears with tags. As the next more efficient I would choose the ear-clipping.
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Semena dřevin jako potravní nabídka vybraných druhů drobných savců a jejich vliv na populační dynamiku
 Křípalová, Žaneta
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Small terrestrial mammals along natural and anthropogenic landscape barriers
 BOHDAL, Tomáš
The dissertation summarises the result of the study of small terrestrial mammals (Eulipotyphla, Rodentia) along natural (watercourses) and anthropogenic (road, highway) landscape barriers. It points to an interesting phenomenon of road drainage ditches as a transitional migration environment, further it assesses the level of locomotion activity, the rate of structure of subpopulations and the frequency of crossing watercourses in the case of selected rodent species. It contributes with its results to solving problems concerning the effect of these landscape structures on the species diversity, ground mobility or genetic structure of small terrestrial mammals. ˙˙˙˙
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