E7 NITROGEN CONCENTRATION

NO3-N [mg l-1]
Bugondo
Depth [m]   Jan    Feb    Mar    Apr    May   Jun*1   Jul   Aug*2   Sep    Oct    Nov    Dec
 Surface     -      -      -      -      -    Trace    -     8.0     -      -      -      -
   1.5       -      -      -      -      -    Trace    -      -      -      -      -      -
   2.4       -      -      -      -      -    Trace    -      -      -      -      -      -

*1Fish, G. R. (1954) EAFFRO Annual Reports for 1953, Appendices Al-6. 49 pp. Uganda., East African High Commission.
*2 Evans, J. H. (1962) Hydrobiologia, 19: 299-315.