Assertion: forest's tree | /r/HasAspect | shallow roots
Facets:
value: due to the thin soils
type: CAUSE
Source sentences:
text: Taiga trees tend to have shallow roots to take advantage of the thin soils, while many of them seasonally alter their biochemistry to make them more resistant to freezing, called "hardening".
text: The trees of the boreal forest tend to have shallow roots, due to the thin soils.