Native Mussels
Native Mussels
This story map portrays spatial and temporal patterns in native freshwater mussel (Unionioida) assemblage within West Newton Chute, a side channel in navigation Pool 5 of the Upper Mississippi River. Spatial and temporal patterns in species richness and density of three life stages and multiple guilds in this mussel assemblage were explored.
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Avoidance behavior of cold-, cool-, and warmwater fish exposed to Zequanox in a two-choice preference chamber
Zebra ( Dreissenia polymorpha, Pallas 1771) and quagga ( D. bugensis, Andrusov 1897) mussels, collectively referred to as dreissenid mussels, are invasive bivalves native to the Ponto-Caspian region of Eurasia (Stepien et al. 2013; Benson 2018a). High fecundity and a free-swimming planktonic life stage allow for easy and rapid dispersal of dreissenid mussels (Mackie 1991; Marsden et al. 2013)...
Evaluation of the toxicity of niclosamide to two fresh water mussel species and larval sea lampreys (Petromyzon marinus) when exposed to granular Bayluscide
Niclosamide (5-chloro-N-[2-chloro-4-nitrophenyl]-2-hydroxybenzamide; NIC) is the active ingredient in the 3.2% granular formulation of Bayluscide® (gB). is applied to assess populations of Sea Lamprey (Petromyzon marinus) larva that are too deep to electro fish or remove larva in habitats and too large to treat with liquid formulations of lampricides in a cost effective manner. Concerns regarding...
Assessment of Open Water Zequanox Applications for Controlling Dreissenid Mussels within an Inland Lake
Invasion of dreissenid mussels (zebra and quagga mussels, Dreissena polymorpha and D. rostriformis bugensis, respectively) into the Great Lakes and Mississippi River Basins has resulted in estimated economic impacts as high as $1 billion annually for maintenance and repair of biofouled water conveyance systems and other infrastructures (Pimentel et al. 2005).
Spatial Patterns of Native Freshwater Mussels in the Upper Mississippi River
Impact of UMESC Science This research aims to quantify spatial patterns of adult and juvenile (≤5 y of age) freshwater mussels across multiple scales based on systematic survey data from 4 reaches of the Upper Mississippi River (Navigation Pools 3, 5, 6, and 18). Resource managers can use this critical information about spatial structure to make informed river management decisions.
Distribution and Controls Over Habitat and Food Web Structures and Processes in Great Lakes Estuaries
Rivermouth ecosystems, or freshwater estuaries, are the focus of human and wildlife interactions with the Great Lakes. They are highly valued as the region’s urban, industrial, shipping and recreational centers; and home to recreational harbors, wildlife viewing and production, beaches and urban riverfronts. Rivermouths are also both the mixing zones where nutrients from upstream watersheds are...
River Productivity
Biological production represents the total amount of living material (biomass) that was produced during a defined period of time. This production is important because some of it is used for food and some is valued for recreation, it is a direct measure of total ecosystem processes, and it sustains biological diversity. Production is a measure of energy flow, and is therefore a natural currency for...
Movement Patterns of Native Mussels in the Upper Mississippi River: Response to Water Level Management
Impact of UMESC Science This research aims to estimate the fraction of mussels that are able to avoid short-term mortality during a water level drawdown by burrowing or moving horizontally into deeper water. Resource managers can use this critical information about mussel behavior and survival to make informed river management decisions.
Population Assessment and Potential Functional Roles of Native Mussels in the Upper Mississippi River
Impact of UMESC Science The results of this study suggest that native mussels play an integral role in this ecosystem by sequestering large volumes of suspended materials that can be used by other benthic organisms. Managers now have critical data on population size, distribution, and relative health—these data are being used to guide habitat restoration activities to benefit native mussel...
Transformation methods for the glochidia of the spectaclecase mussel Cumberlandia monodonta
The spectaclecase mussel, Cumberlandia monodonta, was effectively listed as federally endangered in April 2012 (https://federalregister.gov/a/2012-5603). It is endemic to the Mississippi, Ohio and Missouri River basins and historically inhabited 44 streams in these basins (USFWS 2014). Currently, the species is known to inhabit 20 of the historical streams, five of which are represented by one or...
The effects of 28-day exposure to elevated C02 on survival, growth and condition of the juvenile life stage of Lampsilis siliquoidea and Lampsilis higginsii mussels
In study AEH-14-COr02, Lampsilis siliquoidea juveniles were exposed to four treatments of CO2, ranging from 43 to 266 mg/L, for 28 days, followed by 17 days post-exposure in untreated water. The resultant median lethal concentration of CO2 that caused 50% mortality (LC50) was 78 ±13 mg/L. The targeted field concentration of a CO2 barrier is 70-80 mg/L. The present study intends to repeat the...
Evaluation of lethal and sublethal responses of dreissenid and unionid mussels to elevated carbon dioxide
Control technology for dreissenid mussels currently relies heavily on chemical molluscicides that can be both costly and ecologically harmful. There is a need to develop more environmentally neutral control tools to manage dreissenid mussels. Carbon dioxide has shown toxicity to several species of invasive bivalves, including zebra mussels (Dreissena polymorpha) and the Asian clam (Corbicula...