Assertion: sea otter | /r/HasProperty | absent
Facets:
value: currently
type: TEMPORAL
Source sentences:
text: When sea otters are absent, sea urchins gobble up the kelp forests that many other species depend on for food and shelter.
text: Sea otters are the exception, giving birth in the water.
text: In the 1970s, a scientist named Dr. James Estes recognized that he could study the influence of sea otters on other species in their environment by comparing the coastal habitats in Alaska’s Aleutian Islands where sea otters had recovered to similar places where sea otters were absent.
text: Translocations would decrease the time required for sea otters to reoccupy their entire historical range and to restore nearshore community structure and biodiversity in areas where they are currently absent.