Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Ogasawara Islands' has mentioned 'Ecosystem' in the following places:
Occurrence Sentence Text Source
[47][48][49][50] Anijima and Chichijima were once designated possible construction sites, but because there are numerous valuable, rare, or endangered plant species forming a unique ecosystem in the vicinity of the proposed sites, issues of nature conservation were raised.
The 2010 multi-agency Ogasawara Islands Management Plan and companion Ogasawara Islands Ecosystem Conservation Action Plan cover a wide area of 129,360 ha and include controls beyond the property such as ship navigation routes.