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Aquatic environmental DNA detects seasonal fish abundance and habitat preference in an urban estuary [Plos One]

Keywords : marine fish, estuaries, freshwater fish, fresh water, surface water, DNA filter assay, sea water, shores

par Frédéric Magné - publié le

The difficulty of censusing marine animal populations hampers effective ocean management. Analyzing water for DNA traces shed by organisms may aid assessment. Here we tested aquatic environmental DNA (eDNA) as an indicator of fish presence in the lower Hudson River estuary. A checklist of local marine fish and their relative abundance was prepared by compiling 12 traditional surveys conducted between 1988–2015.(...)

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