Lucas R. Nathan

Responses of native Michigan crayfish to mechanical trapping for invasive Procambarus clarkii

Sarah Walker, William Ota, William R. Budnick, Brennen L. Wright et autres

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Genomic Data Reveal Multiple Introduction Sources and Limited Post‐Colonization Gene Flow in Southeast Michigan Invasive Red Swamp Crayfish ( Procambarus clarkii )

Nicole Adams, Jared J. Homola, Nicholas M. Sard, Lucas R. Nathan et autres

ABSTRACT Understanding the colonization history and factors associated with changes in distribution and abundance of invasive species is paramount to inform control measures that prevent further spread and facilitate eradication. We investigated spatial patterns in genetic diversity and differentiation of the globally …

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Reevaluation of an adaptive management framework for invasive Grass Carp within Lake Erie

Justin J. Bopp, Kelly F. Robinson, Lucas R. Nathan, Seth J. Herbst et autres

ABSTRACT Objective Response efforts to control invasive species frequently require making decisions in the face of substantial uncertainty. Adaptive management, which emphasizes learning during the process of managing, can be useful in cases where uncertainty impedes the decision-making process. Here, we describe …

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Dead giveaway: Rising mortality rates suggest effectiveness of Lake Erie grass carp (Ctenopharyngodon idella) response

K. Lang, Christine A. Mayer, Mark R. DuFour, Song S. Qian et autres

Grass carp ( Ctenopharyngodon idella ) are large, invasive fish that threaten Lake Erie’s economy and ecosystem. Incidental catches of grass carp have occurred since the 1980s in Lake Erie, while multi-day removal events were carried out in 2014 and 2017. To …

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Genomic data reveal multiple introduction sources and limited post-colonization gene flow in southeast Michigan invasive Red Swamp Crayfish ( Procambarus clarkii )

Nicole Adams, Jared J. Homola, Nicholas M. Sard, Lucas R. Nathan et autres

Understanding the colonization history and factors associated with changes in distribution and abundance of invasive species is paramount to inform control measures that prevent further spread and facilitate eradication. We investigated spatial patterns in genetic diversity and differentiation of the globally invasive …

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Movement patterns of invasive red swamp crayfish vary with sex and environmental factors

Maggie Raboin, Brian M. Roth, Aaron M. Sullivan, Ann L. Allert et autres

Invasive species disproportionately invade freshwater ecosystems, threatening biodiversity. Defining when, where, and why aquatic invasive species move can help inform management strategies, yet the movement ecology of some of the most pervasive invasive species remains unknown. Red swamp crayfish (Procambarus clarkii; RSC) …

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Optimizing per vessel hour capture efficiency for rare, heterogeneously distributed fishes: Invasive grass carp Ctenopharyngodon idella in the Sandusky River

Robert D. Hunter, Song S. Qian, Jason L. Fischer, Ryan M. Brown et autres

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Genomic Data Characterize Reproductive Ecology Patterns in Michigan Invasive Red Swamp Crayfish (Procambarus clarkii)

Nicole Adams, Jared J. Homola, Nicholas M. Sard, Lucas R. Nathan et autres

ABSTRACT The establishment and spread of invasive species are directly related to intersexual interactions as dispersal and reproductive success are related to distribution, effective population size, and population growth. Accordingly, populations established by r‐selected species are particularly difficult to suppress or eradicate. …

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Capturing potential: Leveraging grass carp behavior Ctenopharyngodon idella for enhanced removal

Matthew R. Acre, Tyler M. Hessler, Sophia M. Bonjour, James J. Roberts et autres

Effective management of invasive species benefits from a comprehensive understanding of the species’ behavior and interactions with the invaded system. We investigated temporal dynamics of telemetry detections and the potential utility of a traitor approach for informing response efforts to the invasive …

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Factors influencing detection of invasive Red Swamp Crayfish Procambarus clarkii (Girard, 1852) in Michigan ponds

William R. Budnick, Dan Hayes, Seth J. Herbst, Jeannette Kanefsky et autres

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Lessons Learned in Applying Decision Analysis to Natural Resource Management for High Stakes Issues Surrounded by Uncertainty

Kelly F. Robinson, Mark R. DuFour, Jason L. Fischer, Seth J. Herbst et autres

Management agencies are tasked with difficult decisions for conservation and management of natural resources. These decisions are difficult because of ecological and social uncertainties, the potential for multiple decision makers from multiple jurisdictions, and the need to account for the diverse values …

Assessing grass carp (Ctenopharyngodon idella) occupancy and detection probability within Lake Erie from environmental DNA

Justin J. Bopp, Lucas R. Nathan, John D. Robinson, Jeanette Kanefsky et autres

Grass carp (Ctenopharyngodon idella), an invasive cyprinid within the Laurentian Great Lakes, is naturally reproducing in several Lake Erie tributaries, which has raised concerns of the species' spread throughout Lake Erie and the other Great Lakes.Knowledge of the recent invasion extent outside …

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