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At Palmyra Atoll, the fish-community environmental DNA signal changes across habitats but not with tides.


ABSTRACT: At Palmyra Atoll, the environmental DNA (eDNA) signal on tidal sand flats was associated with fish biomass density and captured 98%-100% of the expected species diversity there. Although eDNA spilled over across habitats, species associated with reef habitat contributed more eDNA to reef sites than to sand-flat sites, and species associated with sand-flat habitat contributed more eDNA to sand-flat sites than to reef sites. Tides did not disrupt the sand-flat habitat signal. At least 25 samples give a coverage >97.5% at this diverse, tropical, marine system.

SUBMITTER: Lafferty KD 

PROVIDER: S-EPMC9300262 | biostudies-literature |

REPOSITORIES: biostudies-literature

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