Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Whale Sanctuary of El Vizcaino' has mentioned 'Whaling' in the following places:
Occurrence Sentence Text Source
The protection of these winter breeding grounds has been paramount in the remarkable recovery of this species after near-extinction as a result of commercial whaling, including in these very lagoons.
Its protection is intricately linked with saving the species from extinction and recovery after near-collapse due to excessive commercial whaling.
While the whaling has come to a complete halt in the property, ongoing reasons for concern include but are not limited to excessive fisheries, extensive evaporation salt production and uncontrolled tourism development.
Another framework is Mexico's adherence to the International Whaling Commission in 1949, which has been protecting Grey Whales from commercial whaling since its establishment.