The genus Banksia: can ecophysiological traits associated with nutrient acquisition explain species distribution and rarity?

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The genus Banksia: can ecophysiological traits associated with nutrient acquisition explain species distribution and rarity? We aim to investigate if an important aspect of a specialised mechanism of nutrient acquisition by different species of the genus Banksia (Proteaceae) accounts for their distribution and rarity. This aspect is the pattern of exudates that are produced by their 'proteoid' roots. Different species of the Proteaceae produce different exudates and it is envisaged that variation in pattern reflects their capacity to grow on certain soil types. Our studies will provide key information on processes that determine species distribution, with consequences for defining better management regimes for rare and endangered species.