Proof-of-Concept Studies Demonstrate That Food and Pheromone Stimuli Can Be Used to Attract Invasive Carp So Their Presence Can Be Readily Measured Using Environmental DNA

نویسندگان

چکیده

The utility of environmental DNA (eDNA) as a detection tool for fisheries management is limited by dilution and degradation, especially in areas low fish abundance. This proof-of-concept study addressed these challenges testing whether food or pheromones might be used to attract invasive carp so they can measured more readily using eDNA. In two experiments, PIT-tagged were stocked into ponds (N = 3 silver carp; N 1 common carp) while one stimuli (planktonic [spirulina] sex pheromone [prostaglandin F2α] male was added determine if we could side measuring both presence (detections) eDNA concentrations. addition spirulina increased detections 2–3 fold, concentrations 4-fold on the test when compared without stimulus. ~25-fold, where 6-fold increase (p < 0.05). A strong positive correlation noted between concentration species. These experiments demonstrate that easily accurately.

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ژورنال

عنوان ژورنال: Fishes

سال: 2022

ISSN: ['2410-3888']

DOI: https://doi.org/10.3390/fishes7040176