Estimations of Riverine Distribution, Abundance, and Biomass of Anguillid Eels in Japan and Taiwan Using Environmental DNA Analysis

This study, entitled ‘Estimations of Riverine Distribution, Abundance, and Biomass of Anguillid Eels in Japan and Taiwan Using Environmental DNA Analysis’, is the first to demonstrate the potential usefulness of eDNA analysis for estimating the spatial distribution, abundance, and biomass of the tropical eel, Giant mottled eels in rivers. We found that eDNA analysis has a greater sensitivity for detecting A. marmorata than electrofishing, making it a powerful tool for monitoring the spatial distribution of the species in rivers. We further applied this method to basin-scale surveys to investigate the riverine distribution of sympatric Japanese eels and Giant mottled eels, and our findings indicated that eDNA analysis could reflect their spatial distributions. (112 words)
Estimations of Riverine Distribution, Abundance, and Biomass of Anguillid Eels in Japan and Taiwan Using Environmental DNA Analysis
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