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oligotrophic

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.02 sec.
oligotrophic [¦äl·ə·gō¦träf·ik]
(hydrology)
Of a lake, lacking plant nutrients and usually containing plentiful amounts of dissolved oxygen without marked stratification.


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Bacterial diversity in shallow oligotrophic marine benthos and overlying waters: effects of virus infection, containment, and nutrient enrichment.
Although these microbes are grown in rich media in the laboratory, they are oligotrophic and capable of substantial growth in low concentrations of organic matter.
That Wisconsin lake was diminished from an oligotrophic (nutrient poor) system to a hyper-eutrophic (extremely nutrient rich) system through agricultural and urban runoff, sewage, and the resulting build-up of phosphorus in the sediment.
 
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