Biological oxygen demand (BOD) Sign Video
Upload On Thu Jan 28 2010 by ASL STEM
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Definition
The amount of oxygen required to oxidize the organic material in a water sample; high values in aquatic habitats often indicate pollution by sewage and other sources of organic wastes, or the over-production of plant material resulting from overenrichment by mineral nutrients.
Source: Ricklefs, Robert E. The Economy of Nature (5th Edition), 2001.
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