Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Heard and McDonald Islands' has mentioned 'Southern Ocean' in the following places:
Occurrence Sentence Text Source
Heard Island and the McDonald Islands are free from introduced predators and provide crucial breeding habitat in the middle of the vast Southern Ocean for a range of birds.
Heard Island supports a relatively low number of terrestrial invertebrate species compared to other Southern Ocean islands, in parallel with the low species richness in the floraxe2x80x93that is, the island's isolation and limited ice-free area.
Heard Island is a heavily glaciated, subantarctic volcanic island located in the Southern Ocean, roughly 4000 kilometers southwest of Australia.