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Katy Klymus, PhD

Dr. Katy Klymus is a Research Biologist at the Columbia Environmental Research Center.

She has a background in evolutionary biology, animal behavior and genetics. Since joining the USGS in 2016, my research focus is on using genetic methods to inform wildlife species management. Currently I am studying environmental DNA methods and how they can be used to assess current levels of and changes in biodiversity. 

Education and Certifications

  • Ph.D. Evolutionary Biology and Ecology, The University of Missouri, 2011

  • B.S. Zoology, The University of Texas, 2000

Science and Products

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CERC researchers collecting eDNA

Threatened, Endangered or Rare Species Detection

The non-invasive nature of eDNA methods for species detection is a great advantage for monitoring of rare, threatened, or endangered species.
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Columbia Environmental Research Center
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Threatened, Endangered or Rare Species Detection

The non-invasive nature of eDNA methods for species detection is a great advantage for monitoring of rare, threatened, or endangered species.
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CERC researchers collecting eDNA

Molecular Section: eDNA Research

Environmental DNA (eDNA) research at CERC focuses on the development and utility of eDNA tools as well as interpretation of eDNA data in real-world management applications. We work with academic, state, federal and international partners in developing standards and best practices for eDNA technology and exploring the factors that affect eDNA detection in the field. Our lab's eDNA research covers...
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Columbia Environmental Research Center
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Molecular Section: eDNA Research

Environmental DNA (eDNA) research at CERC focuses on the development and utility of eDNA tools as well as interpretation of eDNA data in real-world management applications. We work with academic, state, federal and international partners in developing standards and best practices for eDNA technology and exploring the factors that affect eDNA detection in the field. Our lab's eDNA research covers...
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Metabarcoding data from freshwater mussel eDNA collected in Clinch River, Virginia 2017

Data from metabarcoding assays to detect a suite of mussel species using mitochondrial DNA regions of the cytochrome c oxidase subunit I (COI) and NADH dehydrogenase subunit (ND1) genes sequences.
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Columbia Environmental Research Center

Mucket eDNA detection in Wallen's Bend, Clinch river, Tennessee, September 2019

The data describe the technical performance of a designed qPCR assay for the detection of mucket (Actinonaias ligamentina) eDNA from field collected water samples. Parameters described include the sequences of the primers and probes used; the limit of detection and limit of quantification for the assay; a list of freshwater mussels species that were used to test specificity of the assay; and in si
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Contaminant Biology, Columbia Environmental Research Center

eDNA sampling sites in the Grand Canyon region near breccia pipe uranium mines_2015_2016

Geospatial locations of eDNA sampling sites in the Grand Canyon region near breccia pipe uranium mines
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Columbia Environmental Research Center
Filter Total Items: 13

Editorial: Environmental DNA innovations for conservation

Environmental DNA (eDNA) analysis refers to the collection of bulk environmental samples such as water, sediment, or air, and studying the genetic remnants that organisms have shed into their environment to gain information about species presence.
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Ecosystems, Columbia Environmental Research Center

Metabarcoding assays for the detection of freshwater mussels (Unionida) with environmental DNA

Freshwater mussels of the order Unionida are a widely distributed taxon that are important in maintaining freshwater ecosystems and are also highly imperiled throughout the world. Monitoring of mussel populations with environmental DNA (eDNA) is an attractive alternative to traditional methods because it is noninvasive and requires less labor and taxonomic knowledge from field personnel. We develo
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Ecosystems, Columbia Environmental Research Center

Development and testing of species-specific quantitative PCR assays for environmental DNA applications

New, non-invasive methods for detecting and monitoring species presence are being developed to aid in fisheries and wildlife conservation management. The use of environmental DNA (eDNA) samples for detecting macrobiota is one such group of methods that is rapidly becoming popular and being implemented in national management programs. Here we focus on the development of species-specific targeted as
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Ecosystems, Columbia Environmental Research Center

Reporting the limits of detection and quantification for environmental DNA assays

BackgroundEnvironmental DNA (eDNA) analysis is increasingly being used to detect the presence and relative abundance of rare species, especially invasive or imperiled aquatic species. The rapid progress in the eDNA field has resulted in numerous studies impacting conservation and management actions. However, standardization of eDNA methods and reporting across the field is yet to be fully establis
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Ecosystems, Wetland and Aquatic Research Center , Upper Midwest Environmental Sciences Center, Columbia Environmental Research Center

Metabarcoding of environmental DNA samples to explore the use of uranium mine containment ponds as a water source for wildlife

Understanding how anthropogenic impacts on the landscape affect wildlife requires a knowledge of community assemblages. Species surveys are the first step in assessing community structure, and recent molecular applications such as metabarcoding and environmental DNA analyses have been proposed as an additional and complementary wildlife survey method. Here, we test eDNA metabarcoding as a survey t
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Ecosystems, Contaminant Biology, Columbia Environmental Research Center

Experimental observations on the decay of environmental DNA from bighead and silver carps

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 environme
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Ecosystems, Columbia Environmental Research Center

Critical considerations for the application of environmental DNA methods to detect aquatic species

Species detection using environmental DNA (eDNA) has tremendous potential for contributing to the understanding of the ecology and conservation of aquatic species. Detecting species using eDNA methods, rather than directly sampling the organisms, can reduce impacts on sensitive species and increase the power of field surveys for rare and elusive species. The sensitivity of eDNA methods, however, r
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Ecosystems, Fort Collins Science Center, Forest and Rangeland Ecosystem Science Center

Environmental DNA calibration study interim technical review report December 2014

The Environmental DNA Calibration Study (ECALS) is a multi-year study to improve the understanding and interpretation of the detection of Asian carp DNA in environmental samples (eDNA) used in early detection monitoring. eDNA surveillance programs seek to detect the presence of genetic material (DNA in cells sloughed off in slime, feces, urine, etc.) extracted from water samples; the detection of
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Ecosystems, Upper Midwest Environmental Sciences Center

A reply to Iversen et al.'s comment “Monitoring of animal abundance by environmental DNA - An increasingly obscure perspective”

We appreciate the conversation put forward by Iversen et al. (2015) in their response to our article “Quantification of eDNA shedding rates from invasive bighead carp Hypophthalmichthys nobilis and silver carp Hypophthalmichthys molitrix” in the 2015 environmental DNA special issue of Biological Conservation.We agree with Iversen et al.'s concern about overly optimistic conclusions that could be d
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Ecosystems, Cooperative Research Units, Columbia Environmental Research Center

Quantification of eDNA shedding rates from invasive bighead carp Hypophthalmichthys nobilis and silver carp Hypophthalmichthys molitrix

Wildlife managers can more easily mitigate the effects of invasive species if action takes place before a population becomes established. Such early detection requires sensitive survey tools that can detect low numbers of individuals. Due to their high sensitivity, environmental DNA (eDNA) surveys hold promise as an early detection method for aquatic invasive species. Quantification of eDNA amount
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Ecosystems, Cooperative Research Units, Columbia Environmental Research Center

Environmental DNA calibration study. Interim technical review report

Invasive aquatic nuisance species pose a major threat to aquatic ecosystems worldwide. Invasive Asian carps, including bighead carp (Hypophthalmichthys nobilis) and silver carp (H. molitrix) have been steadily dispersing upstream through the Mississippi, Illinois, and Des Plaines Rivers since the 1990s. To prevent further movement up the Illinois River into the Chicago Area Waterway System (CAWS,
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Ecosystems, Columbia Environmental Research Center

ECALS: Loading studies interim report October 2013

Here we follow up the loading studies interim report from July 2013 and include results from laboratory studies assessing the effects of diet on eDNA shedding rates by bigheaded carps(silver and bighead carp). In order to understand how eDNA behavesin the environment, we must understand how it enters the system. In our July interim report, we addressed three of our four hypotheses that could i
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Ecosystems, Cooperative Research Units, Columbia Environmental Research Center

Pre-USGS Publications

Soamiarimampionona, J., Sam, S.S., Dolch, R., Klymus, K., Rabemananjara, F., Robsomanitrandrasana, E., Rakotoarisoa, J.C., and Edmonds, D., 2015, Effects of three diets on development of Mantidactylus betsileanus larvae in captivity: Alytes, v. 32, p. 7-15
Klymus, K.E., and Carl Gerhardt, H., 2012, AFLP markers resolve intra-specific relationships and infer genetic structure among lineages of the canyon treefrog, Hyla arenicolor: Molecular Phylogenetics and Evolution, v. 65, no. 2, p. 654-667
Klymus, K.E., Humfeld, S.C., and Gerhardt, H.C., 2012, Geographical variation in male advertisement calls and female preference of the wide-ranging canyon treefrog, Hyla arenicolor: Biological Journal of the Linnean Society, v. 107, no. 1, p. 219-232
Klymus, K.E., Humfeld, S.C., Marshall, V.T., Cannatella, D., and Gerhardt, H.C., 2010, Molecular patterns of differentiation in canyon treefrogs (Hyla arenicolor): evidence for introgressive hybridization with the Arizona treefrog (H. wrightorum) and correlations with advertisement call differences: Journal of Evolutionary Biology, v. 23, no. 7, p. 1425-1435

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