# Dreissenid Mussels

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#### Hydroacoustic detection of dreissenid mussels and their habitat: an innovative way to detect dreissenid infestations and model preferred habitat for future colonization

The proposed project will explore the technology of hydroacoustics to detect dreissenid mussels and analyze habitat variables to model preferred future habitat locations to help control the spread of invasive dreissenid mussels.
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#### Hydroacoustic detection of dreissenid mussels and their habitat: an innovative way to detect dreissenid infestations and model preferred habitat for future colonization

The proposed project will explore the technology of hydroacoustics to detect dreissenid mussels and analyze habitat variables to model preferred future habitat locations to help control the spread of invasive dreissenid mussels.
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#### Development of Sampling Protocols and Diagnostic Tools for Assessment of Freshwater Mussel Health

Assessing Impacts of Emerging and Established Diseases to Aquatic EcosystemsThe role of disease in freshwater mussel declines has been largely ignored due to the lack of appropriate diagnostic tools. Furthermore, health assessment of mussels in conjunction with restoration and propagation has not been considered during stocking and augmentation activities. This project will develop standard...
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#### Development of Sampling Protocols and Diagnostic Tools for Assessment of Freshwater Mussel Health

Assessing Impacts of Emerging and Established Diseases to Aquatic EcosystemsThe role of disease in freshwater mussel declines has been largely ignored due to the lack of appropriate diagnostic tools. Furthermore, health assessment of mussels in conjunction with restoration and propagation has not been considered during stocking and augmentation activities. This project will develop standard...
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#### Development of a Broad Microarray Technology to Survey for Aquatic Pathogens

Assessing Impacts of Emerging and Established Diseases to Aquatic EcosystemsThe need to maintain healthy aquatic ecosystems and sustain healthy communities is greatly recognized. Aquatic pathogens pose a threat to many organisms, and being able to identify and test for an array of aquatic pathogens is important in understanding the overall health of an aquatic system. A DNA microarray tool will be...
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#### Development of a Broad Microarray Technology to Survey for Aquatic Pathogens

Assessing Impacts of Emerging and Established Diseases to Aquatic EcosystemsThe need to maintain healthy aquatic ecosystems and sustain healthy communities is greatly recognized. Aquatic pathogens pose a threat to many organisms, and being able to identify and test for an array of aquatic pathogens is important in understanding the overall health of an aquatic system. A DNA microarray tool will be...
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#### Assessing Impacts of Emerging and Established Diseases to Aquatic Ecosystems

Native freshwater mussels play a critical role in aquatic environments and are considered “ecosystem engineers” and indicators of water quality by constantly filtering water. Populations of native freshwater mussels have declined in recent years, and this decline has been attributed to factors such as habitat degradation, pollution, and invasive species, among others. The importance of these...
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#### Assessing Impacts of Emerging and Established Diseases to Aquatic Ecosystems

Native freshwater mussels play a critical role in aquatic environments and are considered “ecosystem engineers” and indicators of water quality by constantly filtering water. Populations of native freshwater mussels have declined in recent years, and this decline has been attributed to factors such as habitat degradation, pollution, and invasive species, among others. The importance of these...
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#### Management Tools for Dreissenid Mussels

Dreissenid mussels have posed an aquatic invasive species challenge in the United States since their arrival in the Great Lakes in the 1980s. Zebra (Dreissena polymorpha) and Quagga (D. bugensis) mussels are filter feeders with high reproductive capacity. Their behaviors result in altered nutrient cycles, shifts in trophic structures, and extirpation of some native species in systems where they...
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#### Management Tools for Dreissenid Mussels

Dreissenid mussels have posed an aquatic invasive species challenge in the United States since their arrival in the Great Lakes in the 1980s. Zebra (Dreissena polymorpha) and Quagga (D. bugensis) mussels are filter feeders with high reproductive capacity. Their behaviors result in altered nutrient cycles, shifts in trophic structures, and extirpation of some native species in systems where they...
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#### Development of Selective Control Tools

Management Tools for Dreissenid MusselsCurrently, dreissenid mussel populations are spreading and becoming a growing problem in many aquatic systems, making it important to find management techniques that are selective for the invasive mussel populations while leaving the native populations intact. Control technology for dreissenids in open water currently relies on a limited number of...
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#### Development of Selective Control Tools

Management Tools for Dreissenid MusselsCurrently, dreissenid mussel populations are spreading and becoming a growing problem in many aquatic systems, making it important to find management techniques that are selective for the invasive mussel populations while leaving the native populations intact. Control technology for dreissenids in open water currently relies on a limited number of...
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#### Evaluation of Carbon Dioxide to Control Dreissenid Mussels

Management Tools for Dreissenid MusselsCarbon dioxide (CO2) has been suggested as a chemical control for a variety of invasive aquatic organisms, including Asian Carp. USGS researchers and partners evaluated the efficacy of low CO2 concentrations for preventing zebra mussel larval (veliger) settlement and during summer 2019 in a harbor of the upper Mississippi River. The lowest CO2 concentration...
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#### Evaluation of Carbon Dioxide to Control Dreissenid Mussels

Management Tools for Dreissenid MusselsCarbon dioxide (CO2) has been suggested as a chemical control for a variety of invasive aquatic organisms, including Asian Carp. USGS researchers and partners evaluated the efficacy of low CO2 concentrations for preventing zebra mussel larval (veliger) settlement and during summer 2019 in a harbor of the upper Mississippi River. The lowest CO2 concentration...
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#### Evaluation of Copper as a Control Agent for Invasive Mussels

Management Tools for Dreissenid MusselsUSGS researchers and partners conducted an experimental application of low dose copper, as EarthTecQZ, to a bay in Lake Minnetonka, Minnesota. The veliger density and settlement were compared to that of an untreated bay within the same lake. The copper application produced a substantial reduction in zebra mussel abundance of early life stages, juvenile...
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#### Evaluation of Copper as a Control Agent for Invasive Mussels

Management Tools for Dreissenid MusselsUSGS researchers and partners conducted an experimental application of low dose copper, as EarthTecQZ, to a bay in Lake Minnetonka, Minnesota. The veliger density and settlement were compared to that of an untreated bay within the same lake. The copper application produced a substantial reduction in zebra mussel abundance of early life stages, juvenile...
Learn More

#### Invasive Carp Control: Carbon Dioxide

Carbon dioxide (CO2) is being evaluated as a chemical control for invasive carps. Recent work involves investigations on the effectiveness of CO2 as a tool to limit range expansion by blocking upstream migrations (behavioral deterrent) and manage existing populations (lethal control). Data generated from these studies are intended to inform resource managers decisions related to the development of...
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#### Invasive Carp Control: Carbon Dioxide

Carbon dioxide (CO2) is being evaluated as a chemical control for invasive carps. Recent work involves investigations on the effectiveness of CO2 as a tool to limit range expansion by blocking upstream migrations (behavioral deterrent) and manage existing populations (lethal control). Data generated from these studies are intended to inform resource managers decisions related to the development of...
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#### Carbon Dioxide for General Aquatic Invasive Species Control

Invasive Carp Control: Carbon DioxideCarbon dioxide (CO2) is being evaluated as a new fishery chemical for general aquatic invasive species control. Most research has focused on its effectiveness as a behavioral deterrent and lethal control or invasive carps. However, because CO2 is generally non-selective, there is potential for this new control chemical to be applied across a wide range of...
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#### Carbon Dioxide for General Aquatic Invasive Species Control

Invasive Carp Control: Carbon DioxideCarbon dioxide (CO2) is being evaluated as a new fishery chemical for general aquatic invasive species control. Most research has focused on its effectiveness as a behavioral deterrent and lethal control or invasive carps. However, because CO2 is generally non-selective, there is potential for this new control chemical to be applied across a wide range of...
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#### BOR environmental DNA sampling for invasive mussels at USGS gages

As part of an ongoing project funded by the Bureau of Reclamation and lead by the Idaho Water Sciences Center (IDWSC) and Northern Rocky Mountain Research Center (NOROCK), the Upper Midwest Environmental Sciences Center (UMESC) will analyze environmental DNA samples collected at gage stations directly downstream of multiple reservoirs throughout the Columbia River Basin. The goal of this project...
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#### BOR environmental DNA sampling for invasive mussels at USGS gages

As part of an ongoing project funded by the Bureau of Reclamation and lead by the Idaho Water Sciences Center (IDWSC) and Northern Rocky Mountain Research Center (NOROCK), the Upper Midwest Environmental Sciences Center (UMESC) will analyze environmental DNA samples collected at gage stations directly downstream of multiple reservoirs throughout the Columbia River Basin. The goal of this project...
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