Browsing by Subject "tundra"

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  • Amino acid production exceeds plant nitrogen demand in Siberian tundra 
    Wild, Birgit; Alves, Ricardo J. Eloy; Barta, Jiri; Capek, Petr; Gentsch, Norman; Guggenberger, Georg; Hugelius, Gustaf; Knoltsch, Anna; Kuhry, Peter; Lashchinskiy, Nikolay; Mikutta, Robert; Palmtag, Juri; Prommer, Judith; Schnecker, Joerg; Shibistova, Olga; Takriti, Mounir; Urich, Tim; Richter, Andreas (Bristol : IOP Publishing Ltd., 2018)
    Arctic plant productivity is often limited by low soil N availability. This has been attributed to slow breakdown of N-containing polymers in litter and soil organic matter (SOM) into smaller, available units, and to shallow ...
  • Microbial nitrogen dynamics in organic and mineral soil horizons along a latitudinal transect in western Siberia 
    Wild, Birgit; Schnecker, Jörg; Knoltsch, Anna; Takriti, Mounir; Mooshammer, Maria; Gentsch, Norman; Mikutta, Robert; Alves, Ricardo J. Eloy; Gittel, Antje; Lashchinskiy, Nikolay; Richter, Andreas (Washington : Amer Geophysical Union, 2015-05)
    Soil N availability is constrained by the breakdown of N-containing polymers such as proteins to oligopeptides and amino acids that can be taken up by plants and microorganisms. Excess N is released from microbial cells ...
  • Nitrogen dynamics in Turbic Cryosols from Siberia and Greenland 
    Wild, Birgit; Schnecker, Jörg; Bárta, Jiri; Čapek, Petr; Guggenberger, Georg; Hofhansl, Florian; Kaiser, Christina; Lashchinskiy, Nikolay; Mikutta, Robert; Mooshammer, Maria; Šantrůčková, Hana; Shibistova, Olga; Urich, Tim; Zimov, Sergey A.; Richter, Andreas (Amsterdam : Elsevier, 2013)
    Turbic Cryosols (permafrost soils characterized by cryoturbation, i.e., by mixing of soil layers due to freezing and thawing) are widespread across the Arctic, and contain large amounts of poorly decomposed organic material ...
  • Whole-genome sequences of two new caballeronia strains isolated from cryoturbated peat circles of the permafrost-affected eastern european tundra 
    Hetz, Stefanie A.; Poehlein, Anja; Horn, Marcus A. (Washington, DC : American Society for Microbiology, 2020)
    Annotated genomes of Caballeronia strains SBC1 and SBC2 from acidic permafrost suggest a new species with a facultative lifestyle via oxygen and nitrate respiration. Thus, a contribution to nitrogen cycling in cold and ...