Field	Darwin Core term	Unit	Precision	Note
decimalLatitude	decimalLatitude	decimal degrees	± 0.00001	WGS84 (EPSG: 4326) - WAAS/EGNOS enabled GPS position
decimalLongitude	decimalLongitude	decimal degrees	± 0.00001	WGS84 (EPSG: 4326) - WAAS/EGNOS enabled GPS position
dateIdentified	dateIdentified	YYYY	NA	The year on which the data refere
Mass of silver eels (t)	organismQuantity	tons of eel	NA	Total silver eel catches
Abundance (kg/ha)	organismQuantity	kilograms of eels per hectare	NA	Abundance of silver eels
Fishing area (ha)	sampleSizeUnit	hectares	NA	Eel fishing area