Mo111 to Mo 132 : Mock communities (pool of DNA); Mo211 to Mo232 : Mock communities (pool of PCR products); NS1 to NN2 : Field negative controls; S11 to S32 : Salses in May; TS11 to TS32 : Salses in March; G11 to G32 : St Génis; V11 to V32 : Villelongue; N11 to N32 : Néfiach (The first number indicate the sub-sample and the final number indicate PCR replicate).