Assertion: eel | /r/HasProperty | captured in research traps
Facets:
value: in the river thames
type: LOCATION
Source sentences:
text: Since 2010, as revealed in a joint study by the Zoological Society of London and the Environment Agency, the number of eels captured in research traps in the River Thames fell from 1,500 in 2005 to 50 in 2010, meaning most eels used in pie and mash shops are now from the Netherlands and Northern Ireland.