X-Nico

unusual facts about Biochemical oxygen demand


Oxygen demand

Biochemical oxygen demand (BOD), the amount of oxygen needed by organisms to break down organic material present in a water sample


Tunasan River

The tunasan received media attention in 1994 and 1995 due to a series of "fishkills" caused by the high Biochemical Oxygen Demand from decomposing water lilies, and by the profusion of residential wastes that find their way into the river during the rainy season.


see also