Articles | Volume 18, issue 12
Biogeosciences, 18, 3565–3577, 2021
https://doi.org/10.5194/bg-18-3565-2021
Biogeosciences, 18, 3565–3577, 2021
https://doi.org/10.5194/bg-18-3565-2021

Research article 17 Jun 2021

Research article | 17 Jun 2021

Persistent effects of sand extraction on habitats and associated benthic communities in the German Bight

Finn Mielck et al.

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Hydroacoustic and Sediment data collected during AL-519/1 in January 2019 in the German Bight Finn Mielck and Werner Armonies https://doi.org/10.1594/PANGAEA.932492

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Short summary
Marine sand mining is becoming more and more important to nourish fragile coastlines that face global change. We investigated the largest sand extraction site in the German Bight. The study reveals that after more than 35 years of mining, the excavation pits are still detectable on the seafloor while the sediment composition has largely changed. The organic communities living in and on the seafloor were strongly decimated, and no recovery is observable towards previous conditions.
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