Type for holding the string representation of a UUID or GUID Types of a vague date A specific day. Pattern: "yyyy-mm-dd" Till a year. Pattern: "-yyyy" A year. Pattern: "yyyy" A month in a year. Pattern: "mm-yyyy" A period between tow days. Pattern "yyyy-mm-dd to yyyy-mm-dd" Type for holding a vague date information. Supported are a specific day, a month in a year, a year or a period of time between to days. A sample is the representation of a time, and area. A sample also contains on more occurrences. A occurrence represents a species found in a sample. Holding the meta data of a exchange xml.

This can be processed before the samples, so that all the meta data is in the target system before the actual data is processed. The id of the source system which produced the xml. The time when the xml was created. Persons referenced in this document. The spatial reference system used for the position. EPSG-xxxxx for EPSG codes, or DE-MTB for german "Messtischblattquadranten"