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Palynomorphs from the ODP Site 820 marine core have provided a detailed record of terrestrial environmental responses to glacial–interglacial forcing over the last 250 000 years in the Australian Wet Tropics. The development of an accurate geochronological framework for this key sequence has proved challenging. Consequently, different dominant forcing mechanism(s) have been proposed to drive environmental...
Recent studies suggest that extinction of Pleistocene megafauna had large impacts on the structure and functioning of ecosystems, including increased fire and shifts in vegetation state. We argue that the ecological effects of mega‐herbivore extinction are likely to have varied geographically, and might have been reduced in environments of low productivity. We tested this at Caledonia Fen, a cool,...
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