TABLE 2

Soil organic C, total DNA concentration, and numbers of microbial sequences for MR and MB soil samples in four independent experimentsa

SiteTransectTypeTotal C (%)DNA concn (ng/μl)No. of:
16S sequences16S OTUsITS sequencesITS OTUs
Keur MatarKM_AMR0.290a0.186a247,120a13,971a91,725a401a
MB0.224a0.078a208,752a5,094b43,978a218b
KM_BMR0.300a0.599a203,705a20,022a62,254a355a
MB0.239a0.181a191,590a8,649b63,809a279a
NioroN_AMR0.355a0.272a237,707a15,750a117,921a501a
MB0.286a0.177a185,360a9,691a79,330a305a
N_BMR0.394a1.027a207,511a22,838a109,613a591a
MB0.258b0.343a230,663a18,333a46,296b297a
  • a Values within a column and site followed by the same letter are not significantly different at a P of ≤0.05.