Kooragang Island's southeastern environment exhibits signs of ecological damage.
Fluoride contamination is a suspected contributor to this environmental injury.
Purpose of the Study:
To measure fluoride concentrations in various environmental components and biota on Kooragang Island.
To compare these levels with a reference site at Karuah.
To investigate fluoride transmission through food chains.
Main Methods:
Collected samples of vegetation, soil, and wildlife (insects, slaters, house mouse).
Measured fluoride concentrations using established analytical techniques.
Compared Kooragang Island data with Karuah reference site data.
Main Results:
Elevated fluoride concentrations were detected in Kooragang Island's mangrove, glasswort, seablite, pigface, water couch, house mouse, slaters, and insects, as well as soil.
Fluoride levels at Kooragang Island were significantly higher than at the unpolluted Karuah site.
Evidence suggests fluoride transfer from plants to herbivores and then to carnivores via food chains.
Conclusions:
The Kooragang Island ecosystem is impacted by fluoride pollution.
Fluoride bioaccumulates and biomagnifies through local food webs.
Findings align with global studies on fluoride contamination in wildlife from polluted environments.