Assertion: squirrel's survival | /r/HasProperty | related –winter tree seeds
Facets:
value: to availability of autumn
type: CAUSE
value: positively
type: MANNER
Source sentences:
text: Survival is positively related to availability of autumn–winter tree seeds; on average, 75–85% of juveniles die during their first winter, and mortality is approximately 50% for winters following the first.