Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Archipiélago de Revillagigedo' has mentioned 'Introduced species' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| But the unique ecology of the islands has since then come under threat from introduced species. | WIKI |
| Invasive introduced species represent the greatest threat to the ecology of these islands and their surrounding waters. | UNESCO |