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Interest in the field of environmental DNA (eDNA) is growing rapidly and eDNA surveys are becoming an important consideration for aquatic resource managers dealing with invasive species. However, in order for eDNA monitoring to mature as a research and management tool, there are several critical knowledge gaps that must be filled. One such gap is the fate of eDNA materials in the aquatic environment. Understanding the environmental factors that influence the decay of eDNA and how these factors impact detection probabilities over time and space could have significant implications for eDNA survey design and data interpretation. Here we experimentally explore eDNA decay in waste materials and reproductive cells obtained...
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Data describe designed environmental DNA (eDNA) experiments for the estimation of eDNA shedding rates for the spectaclecase (Cumberlandia monodonta), mucket (Actinonaias ligamentina), and fatmucket (Lampsilis siliquoidea) from water samples collected in the laboratory under differing laboratory conditions. Shedding rates were tested under variable mussel biomass, diet, and temperature. Parameters described include descriptions of laboratory collected water samples that were tested to estimate concentration of spectaclecase, mucket or fatmucket DNA qPCR results, and associated quality assurance measurements.
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This data set was collected to provide examples and aid in developing a standardized way of determining LOD and LOQ for eDNA assays and has 3 data files. GEDWG_LOD_DATA3.csv is raw qPCR data from multiple labs running multiple standards of known concentration for eDNA assays they regularly use. Comparison-Data.csv is the merged data output from running a generic LOD/LOQ calculator script multiple times with different LOD model settings. The generic LOD/LOQ calculator script is available at: https://github.com/cmerkes/qPCR_LOD_Calc, and details about the multiple settings used are commented in the analysis script available at: https://github.com/cmerkes/LOD_Analysis
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Data describe designed environmental DNA (eDNA) experiments for the estimation of eDNA shedding rates for mucket (Actinonaias ligamentina) and fatmucket (Lampsilis siliquoidea) from water samples collected in the laboratory under differing food avilability scenarios. Parameters described include descriptions of laboratory collected water samples that were tested to estimate concentration of spectaclecase, mucket or fatmucket DNA qPCR results, and associated quality assurance measurements.
This script is designed to analyze qPCR data for many replicates of known concentration DNA standards and determine the limit of detection (LoD) and limit of quantification (LoQ) for use in environmental DNA applications. It is written in the hopes that users with even limited knowledge of R will be able to successfully use the code to analyze their own data in the same way as other eDNA researchers to get similar results and automatically generate plots to visualize the data. The code has 5 lines for user input and requires a few simple restrictions on the input data, but after that the user should be able to run the code without any further coding or interventions. No R programming ability is required to run this...
Categories: Data
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Data describe a designed environmental DNA (eDNA) survey for the detection of Spectaclecase (Cumberlandia monodonta, also referred to as Margaritifera monodonta) from field collected water samples. Parameters described include the limit of detection and limit of quantification of the assay; a list of freshwater mussel species tissue samples that were used to test specificity of the assay; and field collected water samples that were tested to detect the presence of Spectaclecase DNA. Samples were collected from sites on the Big Piney River, Missouri from 2020 to 2022.
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Data describe specificity and sensitivity testing for the L.sil2 assay. This assay is used to amplify eDNA from the freshwater mussel Lampsilis siliquoidea.
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This data consists of information on the specificity and sensitivity of 4 species specific qPCR assays for the detection of eDNA from 4 species of freshwater mussels, specifically Lampsilis cardium, Lampsilis siliquoidea, Pyganodon grandis, and Anodontoides ferussacianus. The data also contain the results of eDNA sampling in Niobrara River at Niobrara National Scenic River and Agate Fossil Beds National Monument for detection of these 4 species.
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Data describe designed environmental DNA (eDNA) experiments for the estimation of eDNA shedding rates for the spectaclecase (Cumberlandia monodonta) and mucket (Actinonaias ligamentina) from water samples collected in the laboratory at different water temperatures. Parameters described include descriptions of laboratory collected water samples that were tested to estimate concentration of spectaclecase, mucket or fatmucket DNA qPCR results, and associated quality assurance measurements.
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Data describe a designed environmental DNA (eDNA) experiment for the estimation of eDNA degradation rates for the mucket (Actinonaias ligamentina) from water samples collected in the laboratory. Samples were collected from experiments performed from November 01, 2019 to November 15, 2019 at the USGS Columbia Environmental Research Center, Missouri
Data describe a designed environmental DNA (eDNA) survey for the detection of oyster mussel (Epioblasma capsaeformis) from field collected water samples. Parameters described include the limit of detection and limit of quantification of the assay; a list of freshwater mussel species tissue samples that were used to test specificity of the assay; and field collected water samples that were tested to detect the presence of oyster mussel DNA. Samples were collected from sites on the Clinch River, Tennessee from 2019 to 2021
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Data describe a designed environmental DNA (eDNA) experiment for the estimation of eDNA degradation rates for the spectaclecase (Cumberlandia monodonta) from water samples collected in the laboratory. Parameters described include laboratory collected water samples that were tested to estimate concentration of spectaclecase DNA and associated quality assurance data. Samples were collected from experiments performed from May 17, 2021 to May 30, 2021 at the USGS Columbia Environmental Research Center, Missouri
    map background search result map search result map Data on the detection of Epioblasma capsaeformis using a designed environmental DNA (eDNA) survey upstream and downstream of known populations in the Clinch River, Tennessee (2019 to 2021) Data on the detection of Cumberlandia monodonta using a designed environmental DNA (eDNA) survey upstream and downstream of known populations in the Big Piney River, Missouri (2020 – 2022) Degradation of Cumberlandia monodonta environmental DNA over time in laboratory conditions using the C.monCOI assay Development and testing of a qPCR assay for Lampsilis siliquoidea eDNA Biomass experiments with Cumberlandia monodonta, Actinonaias ligamentina, and Lampsilis siliquoidea Temperature experiments with Actinonaias ligamentina and Cumberlandia monodonta Food availability experiments with Actinonaias ligamentina and Lampsilis siliquoidea Laboratory estimates of eDNA degradation rates for Actinonaias ligamentina eDNA Development, testing and use of four species-specific qPCR assays for freshwater mussel eDNA detection in the Niobrara River Degradation of Cumberlandia monodonta environmental DNA over time in laboratory conditions using the C.monCOI assay Development and testing of a qPCR assay for Lampsilis siliquoidea eDNA Biomass experiments with Cumberlandia monodonta, Actinonaias ligamentina, and Lampsilis siliquoidea Temperature experiments with Actinonaias ligamentina and Cumberlandia monodonta Food availability experiments with Actinonaias ligamentina and Lampsilis siliquoidea Laboratory estimates of eDNA degradation rates for Actinonaias ligamentina eDNA Development, testing and use of four species-specific qPCR assays for freshwater mussel eDNA detection in the Niobrara River Data on the detection of Cumberlandia monodonta using a designed environmental DNA (eDNA) survey upstream and downstream of known populations in the Big Piney River, Missouri (2020 – 2022) Data on the detection of Epioblasma capsaeformis using a designed environmental DNA (eDNA) survey upstream and downstream of known populations in the Clinch River, Tennessee (2019 to 2021)