Assertion: gopher tortoise | /r/HasAspect | large effect
Facets:
value: on the ecosystem
type: TRANSITIVE-OBJECT
value: on its environment
type: TRANSITIVE-OBJECT
Source sentences:
text: It is seen as a keystone species, as it has a large effect on its environment because they dig burrows.
text: The gopher tortoise can be considered a keystone species because they have a large impact on the ecosystem they live in relative to their abundance (they do a lot compared to how many of them there are in an area).