eutrophication

/ juːˌtrɒfɪˈkeɪʃən /

noun

1. a process by which pollution from such sources as sewage effluent or leachate from fertilized fields causes a lake, pond, or fen to become overrich in organic and mineral nutrients, so that algae and cyanobacteria grow rapidly and deplete the oxygen supply

eutrophication

1. The process by which a lake, pond, or stream becomes eutrophic, typically as a result of mineral and organic runoff from the surrounding land. The increased growth of plants and algae that accompanies eutrophication depletes the dissolved oxygen content of the water and often causes a die-off of other organisms.

Example Sentences

Agricultural runoff from nearby farms deposits fertilizer in the lake, causing algae to bloom rapidly in a process called eutrophication.

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This causes accelerated growth of algae and other plant life in a process called eutrophication which starves other organisms like fish of oxygen.

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“This is part of what’s called the eutrophication process, the aging of the lake or reservoir,” he said.

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Nor could an excess supply of nitrogen promote phytoplankton growth -- and therefore could not ultimately give rise to eutrophication.

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"The AOM produce either nitrate, which leaches into groundwater and surrounding bodies of water, causing eutrophication, or nitrous oxide, which is a powerful greenhouse gas."

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