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Use of environmental DNA to detect the invasive aquatic plants Myriophyllum spicatum and Egeria densa in lakes
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2020
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Source: Freshwater Science, 39(3), 521-533
[PDF-1.38 MB]
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Journal Title:Freshwater Science
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Description:Environmental DNA (eDNA) analysis offers a promising tool for rapid and early detection of aquatic plant invasive species, but currently suffers from substantial unknowns that limit its widespread use in monitoring programs. We conducted the first study to test the factors related to eDNA-based detectability of 2 invasive aquatic plants, Egeria densa and Myriophyllum spicatum, over extended periods of time. Specifically, we examined how plant growth stage and abundance relate to detection in semi-natural and natural conditions. We conducted a mesocosm experiment over a 10-wk period to assess changes in eDNA detection as a function of plant growth and changing biomass. We also sampled lakes with varying species abundances and resampled a subset of lakes to test temporal variability in detection.
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Source:Freshwater Science, 39(3), 521-533
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ISSN:2161-9549;2161-9565;
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Rights Information:CC BY-NC
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Compliance:Library
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