Assertion: marmot's system | /r/CapableOf | occur as altered
Facets:
value: over the past decade
type: TEMPORAL
Source sentences:
text: Land cover mapping accuracy is particularly problematic when the systems occur as small patches or where the land cover types have been altered over the past decade.
text: Land cover mapping accuracy is particularly problematic when the systems occur as small patches or where the land cover types have been altered over the past decade.