Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Shark Bay, Western Australia' has mentioned 'Whaling' in the following places:
Occurrence Sentence Text Source
Commercial whaling was conducted in the bay in the first half of the 20th century by Norwegian owned factory ships and their catcher vessels.
The marine environment has undergone some modification through historically intensive pearl shell, fishing, trawling and whaling activities.