Enyanja mpango eine amaizi mingi ahagati y'enyanja harambiremu omuti muhango aha muti hatekamiho  ekinyoonyi, ebinyonyi nibitekama ahagati y'amaizi kwoota omushana ahabw’okuba omushana niguba guboniire, amaizi nigareebeka nka erangi ya kinekye ahabw'ekyererezi ky'omushana ekiine erangi egyo eya kinekye. 