Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Surtsey' has mentioned 'Ecosystem' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| All visitors check themselves and belongings to ensure no seeds are accidentally introduced by humans to this ecosystem. | WIKI |
| It is noted that, as an island ecosystem, there is the potential for human disturbance and pollution from a very wide area. | UNESCO |