A genomic baseline for long-term monitoring of economically important aquatic species in the Netherlands

A 2022 multi-species genomic monitoring program in the Netherlands generated genome-wide SNP datasets from 2,420 individuals across 104 locations, revealing locality-linked genetic diversity and kinship patterns.

• Why it matters: Genetic diversity and population structure for economically important aquatic species are poorly characterized, limiting conservation and management under environmental change.
• What they did: Using genotyping-by-sequencing and SNP arrays, the study assessed population structure, genetic diversity, inbreeding, and relatedness across six taxa sampled at multiple Dutch locations.
• The result: Fish showed generally weak population structure consistent with high connectivity, while bivalves differed by site, identifying genetically distinct reservoirs to guide conservation and breeding.

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