Did central Australian megafaunal extinction coincide with abrupt ecosystem collapse or gradual climate change?

Agriculture & Biology

• emus 100%
• extinction 86%
• climate change 78%
• lakes 76%
• ecosystems 70%
• egg shell 50%
• Dromaius novaehollandiae 37%
• diet 36%
• temperate grasses 34%
• surface water level 27%
• time series analysis 26%
• carbon 15%
• methodology 6%

Earth & Environmental Sciences

• extinction 78%
• eggshell 63%
• diet 61%
• ecosystem 54%
• lake 40%
• monsoon 38%
• dietary shift 36%
• lake level 25%
• time series analysis 25%
• mosaic 22%
• isotopic composition 20%
• grass 19%
• water level 19%
• Pleistocene 17%
• carbon 13%
• method 5%