Nitrogen is remobilized from senescing leaves, and is very rapidly assimilated from decomposing plant residues without entering the soil pool of mineral nitrogen. The grass savanna occurs within a mosaic of grass, shrub, and tree savannas distributed according to drainage, slope and micro-topology. Discontinuous data are available 1969-1986, including the effects of annual burning. An earlier data set for a single year, thought to be mid-1960s, has been extracted from the literature, but this gives much higher biomass values and is probably less reliable. Click on the following linked phrases to view climatological data for the Lamto site, references and summaries , or NPP data as listed by year and treatment below.
More detailed information is available in the associated guide document .