Assertion: dead zone | /r/CapableOf | disappear for example
Facets:
value: largely
type: DEGREE
value: between 1991
type: TEMPORAL
value: between 2001
type: TEMPORAL
Source sentences:
text: For example, the Black Sea dead zone, previously the largest in the world, largely disappeared between 1991 and 2001 after fertilizers became too costly to use following the collapse of the Soviet Union and the demise of centrally planned economies in Eastern and Central Europe.