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Lough Neagh Dredging's Hidden Eco-Damage Revealed
15 Apr
Summary
- New research indicates sand dredging impacts Lough Neagh's ecosystem.
- Sediment spreads across half the lake, affecting water quality.
- Scientists suggest practical solutions to mitigate environmental harm.
New research indicates that sand dredging in Lough Neagh may be causing broader and more persistent environmental impacts than initially assessed. Scientists from Queen's University Belfast and the University of Newcastle utilized sonar mapping and satellite imagery to reveal widespread disturbance and deep scarring across the lake bed where sand is extracted.
Analysis shows that sediment spreads far beyond mining areas, affecting up to half the lake. This sedimentation can negatively impact the ecosystem by liberating nutrients, reducing water clarity, lowering oxygen levels, and harming wildlife. This contradicts previous environmental impact assessments that found no adverse effects.
Dr. Neil Reid, the lead scientist, stated that practical solutions exist to limit environmental harm. These include covering onshore sand piles, adjusting dredging equipment, and designating specific boat corridors to minimize sediment dispersal and erosion.
Reid stressed that the lake's recovery necessitates a management approach that considers both nutrient levels and physical disturbance. He urged the government to ensure regulations and enforcement adequately reflect the true scale of sand extraction impacts on Lough Neagh.
