Through the centralized sampling and analysis all over Dianchi Lake, the spatial variation rule of five days biochemical oxygendemand (BOD5 ) and permenganate index of oxygen demand (CODMn) in Dianchi Lake waters were revealed.

• 通过对滇池进行全湖集中采样和分析；揭示了滇池水体五日生化需氧量(BOD5)和高锰酸盐指数(CODMn)的空间变化规律.