A once-in-a-century drought struck much of the Amazon rainforest in 2005, reducing rainfall by 60-75% in some areas - and giving scientists a window on to a future coloured by climate change.rnThe drought foreshadowed the Amazon drying that many climate modellers expect to see in a warmer world. But five years on, a spate of research, including 13 papers published on 20 July in a special issue of the journal New Phytologist, shows that researchers are still grappling with the impact of drought and what it could reveal about the fate of the world's largest tropical forest, a major carbon storehouse.
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