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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
The germination of plants genus \kur{Tillandsia} on different substrates
 KELÍŠKOVÁ, Radka
Seeds of six plant species of the genus Tillandsia (T.tricholepis, T. schiedeana, T. mauryan, T. sphaerocephala, T. streptocarpa and T. fasciculata) was planted on six different surfaces (acacia bark, coir, peat, polystyrene, nylon stocking and jute). In the first part of the experiment were recorded number of germinated seeds on individual surfaces. In the second part of the experiment had been observed growth or dying of germinated small plants for seven months. Statistical evaluation of the results showed that the most suitable surfaces for seeding and initial growth of Tillandsia are jute, nylon stocking and polystyrene.
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Assessment of breeding success of crocodiles in European zoos
 KELÍŠKOVÁ, Radka
I focused this work on finding of species diversity, the number of breeding species, subspecies and the number of breeds of crocodiles in european and Czech ZOOs. For this work I used the access to ZOO database ISIS and information from Ing. Miroslav Procházka from Protivín Crocodile ZOO. The results show which species are bred the most frequently and in what number of pieces. The result showed that number of bred species and subspecies of crocodiles is quite large both in Europe and in the Czech Republic. But number of ZOOs that are devoted to crocodile reproduction is relatively low. The relation between number of bred youngs and bred couples is also very small. The most commonly bred species in european ZOOs are Nile crocodile (Crocodylus niloticus), Dwarf crocodile (Osteolaemus tetraspis) and Cuvier?s dwarf caiman (Paleosuchus palpebrosus). The most frequently species reproduced in ZOO are Osteolaemus tetraspis, Paleosuchus palpebrosus and Cuban crocodile (Crocodylus rhombifer). Across all Europe the Czech Republic shows good results both in number of bred species and in number of successful reproductions. The most commonly bred species in Czech ZOOs are Osteolaemus tetraspis, Paleosuchus palpebrosus and Crocodylus rhombifer. The most frequently species reproduced in Czech ZOOs are Paleosuchus palpebrosus, Crocodylus rhombifer and Osteolaemus tetraspis.
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