The EMP Release 1 repository contains the following files and directories:

about_mapping_files.md - description of mapping files and subsets of the dataset
about_otu_tables.pdf - flowchart for choosing the right BIOM table for you
emp_ontology/ - text file describing EMP Sample Type Ontology (EMPO)
mapping_files/ - mapping files for each subset of samples
otu_distributions/ - OTU & Deblur distribution tables
otu_info/ - OTU & Deblur information: sequences and trees
otu_tables/ - OTU & Deblur observation tables
results/ - alpha- and beta-diversity results