Bioreactors and wetlands: two-step solutions could support lagoon recovery in Spain
The Mar Menor coastal saltwater lagoon, in south-east Spain, is the largest such water body in the Mediterranean basin. The lagoon is experiencing a ‘eutrophication crisis’ as excess nutrients — largely nitrates, but also phosphorus and dissolved organic carbon — are washed into the lagoon from its surroundings. A study explores the Mar Menor’s nutrient inputs and evaluates the results of a two-step system including a nature-based solution (NBS); an initiative that works with and enhances nature to address societal challenges.
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