Journal Article Soil 16S amplicon sequencing 7440-44-0 Carbon Cyanobacteria Illumina sequencing Research Support, Non-U.S. Gov't abundance belowground networks biocrusts dryland environmental thresholds microbial thermal acclimation moss microbiome nonphotosynthetic cyanobacteria plant microbiome plant–soil interactions richness short-term versus longer-term warming soil chronosequence soil moisture soil respiration soil temperature