Global patterns of phosphorus transformation in relation to latitude,temperature and precipitation

Dear Editor,Phosphorus (P) is essential and often a limiting nutrient for biological production on land and in the seas (Elser et al., 2007). The biologically available P to terrestrial and aquatic ecosystems ultimately derives from the continental weathering of rocks on the surface of the earth (F?llmi, 1996;Ruttenberg, 2003).