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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Vybrané fyziologické parametry žížaly .i.Dendrobaena mrazeki./i. (Černosvitov, 1935)
 Šustr, Vladimír ; Pižl, Václav
.i.Dendrobaena mrazeki./i. shows preferences for xerothermic habitats, i.e. behaviour unusual for Central European earthworms. Several ecophysiological parameters of .i.D. mrazeki./i. were measured as a basis for further investigation of its environmental adaptations. pH about 7 prevailed in the gut of the species. The profile of digestive enzymes included all important saccharolytic enzymes and did not differ from those of other earthworms indicating no exclusivity in .i.D. mrazeki./i. feeding habits. Melting and supercooling points of body fluid were similar to those of relative species .i.D. octaedra./i.. The adaptation of .i.D. mrazeki./i. to xerothermic habitats may result from its desiccation tolerance, ability of quiescence and/or from its partly endogeic mode of life. Quiescent adult individuals were found to survive about 60 days at 15 % soil moisture.
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Mikroskopické houby v půdě, listovém opadu, exkrementech a střevním traktu .i.Dendrobaena mrazeki./i. (Lumbricidae)
 Nováková, Alena ; Pižl, Václav
Species diversity and quantitative parameters (mycelial length, CFU counts) of saprotrophic microfungi assemblages were studied in the intestine and casts of .i.D. mrazeki./i. and compared with those in soil and litter at four plots of a thermophilous oak forest in Southern Moravia (Czech Republic) in 2004. Soil dilution plate method and soil washing technique and three isolation media were used for the isolation of fungi. Differences in species number and composition of fungi assemblages were found both among individual substrates studied and between the results of different isolation methods. Number of species isolated by the soil dilution plate method was higher in earthworm casts than in soil, however, the opposite results were obtained using soil washing technique. CFU counts reached the highest values in leaf litter.
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