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Ferske økosystemer mathilde og asger

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Pregunta:

Hvad kan man gøre for at genoprette en forurenet sø og reducere den interne P-loading i søen? kom med eksempler

Autor: Nordic Mycelium



Respuesta:

- Hypolimnetic Oxygenation or Aeration: Reduces P release by maintaining oxygen levels at the sediment-water interface. - Phoslock (Modified Clay Treatment): Binds phosphorus and prevents its release from sediments. -Biomanipulation: Increase populations of zooplankton-eating fish to promote clear-water conditions. Remove bottom-feeding fish (e.g., carp) that stir up sediments and release P. -Dredging: Physically removes P-rich sediments, but is expensive and may disrupt ecosystems. -Macrophyte Restoration: Planting aquatic vegetation to absorb excess nutrients and stabilize sediments.


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