Shifts in rhizosphere microbial communities and enzyme activity of Poa alpina across an alpine chronosequence

By D. Tscherko, Ute Hammesfahr, M. Marx, E. Kandeler. 2004

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Abundance of narG, nirS, nirK, and nosZ Genes of Denitrifying Bacteria during Primary Successions of a Glacier Foreland (2006, methodology): “This hypothesis is supported by the phospholipid fatty acid pattern of the rhizosphere flora of Poa alpina, where a low ratio of gram-positive to gram-negative bacteria in the young soils indicated preferential colonization by r strategists (25).”
A temporal approach to linking aboveground and belowground ecology. (2005, background): “These changes in the soil community parallel the build up in soil organic matter and N, which typically limits plant and microbial growth in early succession [ 33 ,34].”
Fifteen years of climate change manipulations alter soil microbial communities in a subarctic heath ecosystem (2007, background): “Surveys across an alpine chronosequence (Tscherko et al., 2004) and on a glacier foreland (Ohtonen et al., 1999) have suggested that gram-positive bacteria are more common in the rhizosphere than in the bulk soil.”
Relative contributions of plant traits and soil microbial properties to mountain grassland ecosystem services (2013, background): “In turn, greater litter inputs to soil, and possibly greater root biomass, might stimulate microbial biomass N by providing more resources for microbes in the rhizosphere (Zak et al. 1994; Paterson 2003; Tscherko et al. 2004).”