Assertion: walrus's population | /r/CapableOf | reach maximum
Facets:
value: in sub-polar regions
type: LOCATION
Source sentences:
text: Populations of a given species tend to be smaller in the tropics, increase in size with increasing latitude, and reach a maximum in sub-polar regions.
text: Researchers believe that this was due to the population reaching the maximum that it could sustain in a given area.