Assertion: eastern lowland gorilla's number | /r/CapableOf | diminish in past two decades
Facets:
value: rapidly
type: MANNER
Source sentences:
text: But as a general guide (and please don't use these figures without mentioning that they are somewhat speculative!), there are around 100,000+ western Lowland Gorillas, a few hundred Cross River gorillas, and several hundred each of Mountain, Bwindi gorillas with perhaps a few thousand Eastern lowland gorillas (although this number has been rapidly diminishing in the past two decades).