Abstract
Recent advances in environmental DNA‐based biodiversity assessment and conservation
Highlights
Knowledge of species distribution across space and time is critical to ecological conservation and environmental management at the local, regional and global scales (Albert et al, 2021)
Six papers in this issue are focused on different technological aspects of environmental DNA, including sampling, sequence reference libraries and DNA markers
Curtis et al (2021) investigated the role of water flow on environmental DNA (eDNA) concentrations and subsequent effects on the detectability of an invasive freshwater clam (Corbicula fluminea) in streams across seasons. Their results indicated that higher stream flows decreased eDNA concentrations and that stream floods increased the rate of false negatives at locations where the target organism was relatively common in autumn. These results highlight that eDNA applications for environmental management and conservation can be highly sensitive to the abiotic and biotic context of field sampling in lotic ecosystems
Summary
Knowledge of species distribution across space and time is critical to ecological conservation and environmental management at the local, regional and global scales (Albert et al, 2021). Six papers in this issue are focused on different technological aspects of environmental DNA, including sampling, sequence reference libraries and DNA markers. These results highlight that eDNA applications for environmental management and conservation can be highly sensitive to the abiotic and biotic context of field sampling in lotic ecosystems.
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