Movement, habitat use, and survival of juvenile grass carp in an Appalachian reservoir

Weberg, Matthew A.; Murphy, Brian R.; Copeland, J. R. M.; Rypel, Andrew L.

doi:10.1007/s10641-020-00953-0

Cited by 7 publications

(6 citation statements)

References 57 publications

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“…Reported daily movements ranged from 0.03 to 0.66 km from Grass Carp studies conducted in Lake Texana, Texas (Chilton and Poarch 1997), and Lake Seminole, Georgia (Maceina et al 1999). Weberg et al (2020) found that juvenile Grass Carp belonging to two stocked cohorts averaged movements of 2.0 and 3.4 km/month in an Appalachian reservoir. Whether Grass Carp movement in rivers is typically greater than in reservoirs and impoundments is not currently known but could be evaluated through additional Grass Carp telemetry studies in both lentic and lotic systems.…”

Section: Discussionmentioning

confidence: 99%

Movement and Space Use of Grass Carp in the Sandusky River, Ohio: Implications for Lake Erie Eradication Efforts

Harris

Brenden

Vandergoot

et al. 2021

N American J Fish Manag

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The Grass Carp Ctenopharyngodon idella is an invasive species to the Laurentian Great Lakes that was first detected in the 1980s. The western basin of Lake Erie is the putative invasion front for the Great Lakes, with spawning known to occur in two of the basin's tributaries (Sandusky and Maumee rivers). Targeted removal is being used to reduce Grass Carp abundance, with an ultimate aim of eradication in part to prevent spread and establishment in the other Great Lakes; response efforts are being concentrated in the Sandusky River due to its heavy use by Grass Carp and because it is the tributary where spawning occurs consistently. The goal of this research was to identify areas in the Sandusky River where Grass Carp aggregate and identify variables that influence movement to improve efficiency of response efforts. Movement and space use of 27 Grass Carp were monitored using acoustic telemetry. Detection data were used to estimate movement and daily detection rates and

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Section: Discussionmentioning

confidence: 99%

Movement and Space Use of Grass Carp in the Sandusky River, Ohio: Implications for Lake Erie Eradication Efforts

Harris

Brenden

Vandergoot

et al. 2021

N American J Fish Manag

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“…Movement behavior in grass carp has largely been inferred from studies using sterile, triploid fish to avoid unwanted reproduction in targeted systems [22][23][24][25]. First produced in the early 1980s [26], triploids retain a third set of chromosomes, rendering triploid grass carp facultatively sterile [27].…”

Section: Introductionmentioning

confidence: 99%

Movement ecology of diploid and triploid grass carp in a large reservoir and upstream tributaries

Hessler

Chapman²,

Paukert³

et al. 2023

PLoS ONE

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Grass carp Ctenopharyngodon idella, is an herbivorous fish originally brought to North America from Asia in 1963 to control nuisance aquatic vegetation. Since their arrival, detrimental alterations to aquatic ecosystems have sometimes occurred in waterways where they were initially stocked and into which they have escaped. The movements of grass carp from lentic systems into tributaries required for spawning is poorly understood, and understanding environmental conditions associated with upstream migrations may aid in management of the species. We stocked 43 fertile diploid and 43 sterile triploid grass carp implanted with acoustic transmitters into Truman Reservoir, Missouri, USA between January 2017 and October 2018 to characterize movements during spring and summer when spawning conditions occur. Twenty fish (11 diploid/9 triploid) exhibited upstream migration behavior in the Osage River, a major tributary, in 2018 and 2019. Migration primarily occurred in April and May, during high discharge events associated with increasing river stage when water temperatures were between 15 and 28°C. Observed migrations ranged from 3.0–108 river km in length, and six individuals were observed making multiple upstream migrations in one season. Eleven fish initiated upstream migrations while in the lentic main body of the reservoir. These findings provide some evidence for upstream migrations by diploid and triploid grass carp as well both lake and river residents. Evidence of similar upstream migration behavior by both diploid and triploid grass carp suggests that triploids may be suitable surrogates for diploids for study of movement ecology. Removal efforts in tributaries targeting periods of increasing river stage during spring may provide the best opportunity of encountering large concentrations of grass carp.

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“…2010; Weberg et al. 2020). Triploid Grass Carp are functionally sterile and are often used in telemetry because they cannot contribute to wild populations.…”

mentioning

confidence: 99%

“…However, few studies of microhabitat selection exist, and to our knowledge, none has identified habitat at a latitude further north than Guntersville Reservoir of Alabama and Tennessee (Bain et al 1990). Colder northern climates could make Grass Carp more likely to aggregate and be vulnerable to harvest, as was seen in the efforts by Bajer et al (2011) Grass Carp telemetry studies commonly use triploid fish to characterize movement and habitat selection (Nixon and Miller 1978;Bain et al 1990;Maceina et al 1999;Kirk et al 2001;Olive et al 2010;Weberg et al 2020). Triploid Grass Carp are functionally sterile and are often used in telemetry because they cannot contribute to wild populations.…”

mentioning

confidence: 99%

Winter Habitat Selection and Efficacy of Telemetry to Aid Grass Carp Removal Efforts in a Large Reservoir

Hessler

Chapman

Paukert

et al. 2021

N American J Fish Manag

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Grass Carp Ctenopharyngodon idella were introduced in North America to control aquatic vegetation in small, closed systems. However, when they escape into larger systems in which they can reproduce, they have the potential to cause significant declines and alterations in aquatic vegetation communities. These alterations can in turn affect native species that are dependent on aquatic vegetation. Increased captures and observations of spawning have elevated concerns about Grass Carp establishment in new locations, with particular concern for establishment in Lake Erie and its tributaries. Recent efforts using telemetered fish that co-locate with wild conspecifics, sometimes in aggregations that are susceptible to harvest, have been used successfully to control invasive Common Carp Cyprinus carpio populations. If Grass Carp aggregate in winter similarly to Common Carp, they might be susceptible to similar control or harvest methods. During the winters (December-March) of 2017-2019, we tracked 86 Grass Carp tagged with acoustic transmitters in Truman Reservoir, Missouri, to evaluate winter habitat selection and to determine the effectiveness of using tagged fish in locating and removing wild fish by comparing harvest at locations of tagged fish to harvest at control sites that we believed were suitable Grass Carp habitat. Discrete-choice models showed that Grass Carp exhibited strong selection for shallow water, as 75% of locations were in littoral habitats with depths of 3 m or less. On average, we harvested more fish at sites where tagged fish were located (3.6 fish/attempt) than at control sites (1.2 fish/attempt). Full guts in individuals that were harvested may indicate that fish were using shallow-water habitats to feed. Our results suggested that Grass Carp did not usually form large winter aggregations, and although targeting locations with tagged fish slightly increased harvest success compared to efforts without them, efforts to reduce populations via harvest may be difficult in large systems when fish are widely dispersed.

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Movement, habitat use, and survival of juvenile grass carp in an Appalachian reservoir

Cited by 7 publications

References 57 publications

Movement and Space Use of Grass Carp in the Sandusky River, Ohio: Implications for Lake Erie Eradication Efforts

Movement and Space Use of Grass Carp in the Sandusky River, Ohio: Implications for Lake Erie Eradication Efforts

Movement ecology of diploid and triploid grass carp in a large reservoir and upstream tributaries

Winter Habitat Selection and Efficacy of Telemetry to Aid Grass Carp Removal Efforts in a Large Reservoir

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