Biotic data read from biotic xml files.
This StoX data type is produced by ReadAcoustic, and contains one list per input acoustic file holding the tables read from each file, added a table named "metadata" holding the input file path and format. Currently supported are NMDEchosounder1 (https://www.imr.no/formats/nmdechosounder/v1/), and ICESAcoustic (https://ices.dk/data/data-portals/Pages/acoustic.aspx, click on "Acoustic data format" to download the format description).