Assertion: otter's number | /r/AtLocation | equilibrium
Facets:
value: with available prey
type: OTHER
Source sentences:
text: The primary factors limiting population growth and range expansion of southern sea otters in recent years have been density-dependent resource limitation (where the number of sea otters is in equilibrium with available prey) in much of the central portion of the mainland range and white shark attacks in the northern and southern portions of the mainland range.