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Pineview Reservoir Invasive Mollusks Preventive Measures - Centrarchidae Dock Habitat Installation
Region: Northern
ID: 5388
Project Status: Completed
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Project Details
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Need for Project
Pineview Reservoir offers various forms of recreation that include, wakeboarding, water skiing, and fishing. Roughly 14,000 boats, utilize the reservoir for various activities. Some of these watercraft travel to waters that are currently infested with dreissenid mussels that can severely complicate water-related resources. Watercraft that have attached mussels or are carrying water from infested waters bring with them the ability to transport the invasive species to Pineview Reservoir where it currently has not been detected. An introduction of dreissenid species would introduce new challenges to water resource management. An introduction of this species has the ability to drive the cost of managing a reservoir up by several millions of dollars per year.
Provide evidence about the nature of the problem and the need to address it. Identify the significance of the problem using a variety of data sources. For example, if a habitat restoration project is being proposed to benefit greater sage-grouse, describe the existing plant community characteristics that limit habitat value for greater sage-grouse and identify the changes needed for habitat improvement.
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Objectives
Install hanging fish habitat under three floating dock structures to increase the presence of panfish species that have been shown to feed on invasive mollusks.
Provide an overall goal for the project and then provide clear, specific and measurable objectives (outcomes) to be accomplished by the proposed actions. If possible, tie to one or more of the public benefits UWRI is providing.
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Project Location/Timing Justification (Why Here? Why Now?)
Invasive mollusk species have the potential to deteriorate water quality, fish assemblage, and recreational value of a waterbody. The current method of protection is implemented through UDWR's Aquatic Invasive Species Program. Currently, there is no secondary plan or protection if a boat enters the reservoir with attached adults or water containing veliger mussels.
LOCATION: Justify the proposed location of this project over other areas, include publicly scrutinized planning/recovery documents that list this area as a priority, remote sensing modeling that show this area is a good candidate for restoration, wildlife migration information and other data that help justify this project's location.
TIMING: Justify why this project should be implemented at this time. For example, Is the project area at risk of crossing an ecological or other threshold wherein future restoration would become more difficult, cost prohibitive, or even impossible.
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Relation to Management Plans
UDWR constituency goals
List management plans where this project will address an objective or strategy in the plan. Describe how the project area overlaps the objective or strategy in the plan and the relevance of the project to the successful implementation of those plans. It is best to provide this information in a list format with the description immediately following the plan objective or strategy.
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Fire/Fuels
n/a
If applicable, detail how the proposed project will significantly reduce the risk of fuel loading and/or continuity of hazardous fuels including the use of fire-wise species in re-seeding operations. Describe the value of any features being protected by reducing the risk of fire. Values may include; communities at risk, permanent infrastructure, municipal watersheds, campgrounds, critical wildlife habitat, etc. Include the size of the area where fuels are being reduced and the distance from the feature(s) at risk.
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Water Quality/Quantity
Invasive dreissenid mussels have the potential to disrupt ecosystems and reduce flow rates through water diversion structures. Decaying dreissenid structures can potentially reduce dissolved oxygen in the reservoir, uptake vital nutrients in the water, and decreases the life of metals used to filter water diversion systems. Further, the smell can aesthetically reduce entirety of shoreline surrounding the waterbody.
Describe how the project has the potential to improve water quality and/or increase water quantity, both over the short and long term. Address run-off, erosion, soil infiltration, and flooding, if applicable.
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Compliance
n/a; Work will be completed under an MOU signed with Pineview Reservoir concessionaire who own the dock structures.
Description of efforts, both completed and planned, to bring the proposed action into compliance with any and all cultural resource, NEPA, ESA, etc. requirements. If compliance is not required enter "not applicable" and explain why not it is not required.
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Methods
Various recycled commercially constructed PVC structures will be suspended roughly 15-25 feet below dock structures. These structures will be attached to docks via metal cable. The structures will be suspended directly below docks and not pose a threat to watercraft utilizing the dock structures for loading and unloading passengers and equipment.
Describe the actions, activities, tasks to be implemented as part of the proposed project; how these activities will be carried out, equipment to be used, when, and by whom.
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Monitoring
Monitoring will consist of video documentation to verify use of centrarchid species. Structures will be inspected by divers at least two times per year to verify the stability of structures and identify species currently using structures.
Describe plans to monitor for project success and achievement of stated objectives. Include details on type of monitoring (vegetation, wildlife, etc.), schedule, assignments and how the results of these monitoring efforts will be reported and/or uploaded to this project page. If needed, upload detailed plans in the "attachments" section.
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Partners
Utah Division of Wildlife Resources USDI Bureau of Reclamation Pineview Reservoir Concessionaire
List any and all partners (agencies, organizations, NGO's, private landowners) that support the proposal and/or have been contacted and included in the planning and design of the proposed project. Describe efforts to gather input and include these agencies, landowners, permitees, sportsman groups, researchers, etc. that may be interested/affected by the proposed project. Partners do not have to provide funding or in-kind services to a project to be listed.
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Future Management
Pineview Reservoir is currently listed as a Blue Ribbon Fishery. To continue managing this waterbody as such, several measures need to be taken to ensure Aquatic Invasive Species (AIS) inoculations are prevented. These structures have a lifespan and structures will need to be replaced on an as-needed basis.
Detail future methods or techniques (including administrative actions) that will be implemented to help in accomplishing the stated objectives and to insure the long term success/stability of the proposed project. This may include: post-treatment grazing rest and/or management plans/changes, wildlife herd/species management plan changes, ranch plans, conservation easements or other permanent protection plans, resource management plans, forest plans, etc.
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Sustainable Uses of Natural Resources
Increasing aquatic fish habitat could potentially increase the total available panfish accessible to anglers. Angling from docks is currently prohibited at Pineview Reservoir.
Potential for the proposed action to improve quality or quantity of sustainable uses such as grazing, timber harvest, biomass utilization, recreation, etc. Grazing improvements may include actions to improve forage availability and/or distribution of livestock.
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