Plantae
Bhattachan A, Tatlhego M, Dintwe K, O'Donnell F, Caylor KK, Okin GS, Perrot DO, Ringrose S, D'Odorico P. 2012. Evaluating ecohydrological theories of woody root distribution in the kalahari. PLoS ONE 7(3). doi:10.1371/journal.pone.0033996.