Fish otolith microchemistry: Snapshots of lake conditions during early human occupation of Lake Mungo, Australia
The δ18O, Strontium/Calcium and Barium/Calcium values recorded in golden perch otoliths collected from two evaporative lakes, modern Lake Hope and ancient Lake Mungo, have been used to reconstruct changes in water composition and environmental conditions during the life of the fish. Lake Hope was filled by floodwaters in 1989 and 1990, then a period of lake drying was followed by a natural fish death event in 1994. Otoliths from these fish have δ18O profiles reflecting the earlier floods, and...[Show more]
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