نتایج جستجو برای: saline lake
تعداد نتایج: 93320 فیلتر نتایج به سال:
Inland solar salterns established in the vicinity of Sambhar Lake are extreme saline environments with high salinity and alkalinity. In view of the fact that microbes inhabiting such extreme saline environments flourish the contemporary bioprospecting, it was aimed to selectively isolate slow growing and rare actinomycetes from the unexplored solar salterns. A total of 14 slow growing actinomyc...
Biogeographical and ecological barriers strongly affect the course of micro-evolutionary processes in free living organisms. Here we assess the impact of a recently emerged barrier on populations of limnic fauna. Genetic diversity and population structure in a host-parasite system (Wenyonia virilis tapeworm, Synodontis schall catfish) are analyzed in the recently divided Turkana and Nile basins...
Isolation and taxonomic and phylogenetic studies performed in this decade have revealed that most Gram-positive, aerobic spore-forming bacteria which have halophilic/halotolerant/alkaliphilic and/or alkalitolerant properties compose a considerably large phylogenetic group within rRNA 1 group of Ash et al. (1991) in the phyletic assemblage of bacteria classically defined as the genus Bacillus (A...
The scale-less carp (Gymnocypris przewalskii) inhabits Lake Qinghai located on the Qinghai-Tibet plateau (elevation, 3200 m) in western China. The lake waters are alkaline (pH 9.4, titratable alkalinity=30 mmol l(-1)), Mg(2+)-rich (18.7 mmol l(-1)), Ca(2+)-poor (0.30 mmol l(-1)) and saline (9 per thousand ). These fish make annual spawning migrations into freshwater rivers. We investigated the ...
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