ScienceDaily: Ancient, acidic and nutrient-depleted dunes in Western Australia are not an obvious place to answer a question that has vexed tropical biologists for decades. But the Jurien Bay dunes proved to be the perfect site to unravel why plant diversity varies from place to place. Smithsonian Tropical Research Institute scientist Benjamin Turner and colleagues from the University of Western Australia published findings in the Sept. 26 edition of Science showing that environmental filtering — but not a host…

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