Concept
Nutrient enrichment
| URI | http://vocab.nerc.ac.uk/collection/M14/current/P6/2/ | |
|---|---|---|
| Within Vocab | OSPAR list of defined pressures on the marine environment | |
| Alternative Labels | ||
| Definition | Increased levels of the elements nitrogen, phosphorus, silicon (and iron) in the marine environment compared to background concentrations. Nutrients can enter marine waters by natural processes (e.g. decomposition of detritus, riverine, direct and atmospheric inputs) or anthropogenic sources (e.g. waste water runoff, terrestrial/agricultural runoff, sewage discharges, aquaculture, atmospheric deposition). Nutrients can also enter marine regions from 'upstream’ locations, e.g. via tidal currents to induce enrichment in the receiving area. Nutrient enrichment may lead to eutrophication (see also organic enrichment). Adverse environmental effects include deoxygenation, algal blooms, changes in community structure of benthos and macrophytes. | |
| Date | None | |
| Identifier | P6 | |
| Note | accepted | |
| Is Version Of | P6 | |
| version | 2 | |
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