Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Shark Bay, Western Australia' has mentioned 'Algae' in the following places:
Occurrence Sentence Text Source
Based on growth rate it is believed that about 1,000 years ago cyanobacteria (blue-green algae) began building up stromatolites in Hamelin Pool at the Hamelin Station Reserve in the southern part of the bay.