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National Repository of Grey Literature 13 records found  previous11 - 13  jump to record: Search took 0.01 seconds. 
The structure of microbial community in pasture soil as related to animal impact - with emphasis on the group \kur{Archaea}
 KOUBOVÁ, Anna
The aim of this thesis was to characterize the group of Archaea within the total microbial community in soils from three areas differently impacted by grazing cattle. The size and the structure of the archaeal community were estimated by the analysis of the cell-membrane etherlipids.
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Archaea – the important part of soil microbial community
 Němcová, Anna ; Elhottová, Dana
Archaea is a very old group of prokaryotic microorganisms distinguished by unique characteristics from other procaryotic representatives. Archaea represent the third discrete domain of life. The recent research focused on biology and ecology of Archaea has brought quite new and fascinating information about these microorganisms as well as about the life evolution in general. By virtue of application of recent molecular methods, it is apparent that archaeal habitat is not limited only to extreme environments but it is a distributed group coexisting with other microorganisms in common environments. The study of archaeal role in processes of C and N transformation connected with production and emission of greenhouse gases belongs to important problematic of recent soil biology. From a point of view of the evolutionary relations among soil organisms or interaction with other representatives of edafon the study of Archaea represents other important tasks of soil biology.
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Vliv půdní fauny na mikrobiální společenstvo v místech po těžbě hnědého uhlí - předběžná data z mikrokosmového pokusu
 Frouz, Jan ; Elhottová, Dana
The effect of several guilds of soil fauna (mesofauna, litter feeding macroarthropods, litter dwelling earthworms and epigeic earthworm Lumbricus rubellus) and two litter types (Almus glutinosa or Salix caprea) on microbial community was studied in laboratory microcosms using phospholipid fatty acids (PLFA) approach. Increasing input of organic matter in to mineral soil madiated by fauna activity result in increase of total PLFA. Some groups of PLFA such as terminally branched saturates and straight monoenoics reflected this gradient by increasing its proportion in community, opposite was true for branched monoenoics and straight poyenoics
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National Repository of Grey Literature : 13 records found   previous11 - 13  jump to record:
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