Fig. 2From: Introducing BASE: the Biomes of Australian Soil Environments soil microbial diversity databaseSampling strategy. Approximately 1 kg of soil was taken, at two soil depths, by bulking 9 – 30 soil cores a 25 × 25 m quadrat. Each sample was assigned a unique identifier and subdivided for DNA extraction and sequencing, soil physico-chemical analyses and soil and DNA sample archiving for future use. A photograph of each site was also takenBack to article page