Among the bacterial community composition, the relative abundance of Bacteroidota and Actinobacteriota tended to stabilize, about 28% and 21%, respectively; the largest relative abundance of Proteobacteria, which was approximately 40%, and it showed a decreasing trend with increase of drought, but it suddenly increased in Rh under rain reduction by 50%.
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Soil heterotrophic respiration repressed by drought stress more than soil autotrophic respiration in Stipa breviflora desert steppe, China.
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