Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Aldabra Atoll' has mentioned 'Ecology' in the following places:
Occurrence Sentence Text Source
Introduction of invasive species was banned, faunal species were protected under law, and active research on the ecology and biodiversity of the atoll was undertaken by the Royal Society of London from the middle of the 1970s.
Due to the limited space of its habitat, extreme weather conditions, epidemic and limited range could also pose serious threats to the entire ecology of the atoll.
The natural processes take place with minimal human interference and can be clearly demonstrated in their full complexity;[6] and Criterion (x): Aldabra provides a natural laboratory for the study of the process of evolutionary ecology and is a platform for key scientific discovery.