Hydrodynamics and Aquatic Vegetation Drive Spatial Patterns of Environmental DNA in Ponds
Sandra R. Mayne,
Jeffrey A. Manning,
Stephen M. Henderson
et al.
Abstract:Environmental DNA (eDNA) sampling is a powerful method for detecting aquatic species at low densities. However, eDNA may remain close to the source in lentic systems, decreasing the effectiveness of eDNA surveys. We conducted cage experiments with salamanders and simultaneous detailed hydrologic and wind measurements to investigate the influence of the physical environment on detection patterns of eDNA in ponds. We found much higher detection rates in the surface layer than at depth, and that aquatic vegetatio… Show more
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