Water and nitrogen are two limiting resources for biomass production of terrestrial vegetation. Palmroth et al. employ optimization theory to quantify interactions between marginal water and nitrogen resource use...
Image: Paul the Octopus, Wikimedia Commons. Sadly, Paul – the ‘fortune-telling octopus’ – is no more, but since his exploits during football’s World Cup last summer, we seem to have developed a taste for using biota to...