Multistate models of bigheaded carps in the Illinois River reveal spatial dynamics of invasive species

Coulter, Alison A.; Brey, Marybeth K.; Lubejko, Matthew; Kallis, Jahn L.; Coulter, David P.; Glover, David C.; Whitledge, Gregory W.; Garvey, James E.

doi:10.1007/s10530-018-1772-6

Cited by 35 publications

(116 citation statements)

References 59 publications

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Section: Discussionmentioning

confidence: 99%

“…Therefore, future work could assess maternal lineage of hybrid individuals, in addition to genomic SNPs, to obtain a better idea of relative dispersal risks from different hybrids. Additionally, future work could also assess parental species and hybrid dispersal in other river systems because differences in dam structure (Coulter, Brey, et al, 2018;Lubejko et al, 2017), distances between dams, and fish abundance at the invasion front may all interact to affect movement and observed dispersal. mixture of two species, early generation hybrids may also respond differently to environmental cues (Johnson, Smith, & Carline, 1988;Taylor & Mahon, 1977) contributing to the lack of significant environmental predictors identified.…”

Section: Discussionmentioning

confidence: 99%

“…Individuals were collected from Alton, La Grange, and Peoria pools in 2014 (November) and only from Peoria Pool in 2015 (March–May, November; Table ; Lubejko et al, ). Individuals were collected using boat electrofishing and via contracted commercial fishermen using gill nets (Coulter, Brey, et al, ; Lubejko et al, ).…”

Section: Methodsmentioning

confidence: 99%

“…Individuals were collected from Alton, La Grange, and Peoria pools in 2014 (November) and only from Peoria Pool in 2015 (March-May, November; Table 1; Lubejko et al, 2017). Individuals were collected using boat electrofishing and via contracted commercial fishermen using gill nets (Coulter, Brey, et al, 2018;Lubejko et al, 2017). Surgical procedures followed those described in Lubejko et al (2017) and Coulter, Brey, et al (2018) (additional details in Supplementary Material).…”

Section: Telemetrymentioning

confidence: 99%

“…Individuals were collected using boat electrofishing and via contracted commercial fishermen using gill nets (Coulter, Brey, et al, 2018;Lubejko et al, 2017). Surgical procedures followed those described in Lubejko et al (2017) and Coulter, Brey, et al (2018) (additional details in Supplementary Material). Movements of tagged individuals were monitored with an array of stationary receivers (model VR2W or model VR2tx; Vemco) located every 25-30 rkm including within the lock chamber of each lock and dam (list of receiver locations available in Coulter, Brey, et al, 2018).…”

Section: Telemetrymentioning

confidence: 99%

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Early generation hybrids may drive range expansion of two invasive fishes

Coulter

Brey

Lamer³

et al. 2019

Freshwater Biology

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Introgressive hybridisation between two invasive species has the potential to contribute to their invasion success and provide genetic resiliency to rapidly adapt to new environments. Additionally, differences in the behaviour of hybrids may lead to deleterious ecosystem effects that compound any negative impacts of the invading parental species. Invasive silver carp (Hypophthalmichthys molitrix) and bighead carp (Hypophthalmichthys nobilis) provide an opportunity to evaluate how hybridisation may influence the behaviour, dispersal, and spread of an invasive species introgressive complex. In order to investigate the role hybrids may have in the invasion ecology of bigheaded carps, we examined the distribution, movements, and environmental cues for movement of two invasive fishes and their hybrids in the Illinois River (U.S.A.). Early generation hybrids (e.g. F1,F2, and first‐generation backcross individuals) composed a greater proportion of the population at the invasion front where abundances of bigheaded carp were low. A greater proportion of early hybrids passed through dams upstream towards the invasion front than did other hybrids and parental species. The movements and environmental cues for movement of late‐generation backcrosses (more genetically similar to parental genotype) were not different from the parental species with which they shared the most alleles. Although the direction of the relationship between movement and environment was sometimes different for the parental species and associated advanced generation hybrids, these results indicate that management for parental species will also affect most hybrids. Although early generation hybrids are rare, our results indicate they may disperse towards low‐density population zones (i.e. invasion fronts) or are produced at greater frequency in low‐density areas. These rare hybrids have the potential to produce a variety of unique genetic combinations that could result in more rapid adaptation of a non‐native population to their invaded range potentially facilitating the establishment of invasive species.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Telemetrymentioning

confidence: 99%

Section: Telemetrymentioning

confidence: 99%

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Early generation hybrids may drive range expansion of two invasive fishes

Coulter

Brey

Lamer³

et al. 2019

Freshwater Biology

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Analysis of per capita contributions from a spatial model provides strategies for controlling spread of invasive carp

et al. 2022

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Comparison of Active and Passive Larval Sampling Gears in Monitoring Reproduction of Invasive Bigheaded Carps in Large‐River Tributaries

Roth

Pesik

Effert‐Fanta

et al. 2021

N American J Fish Manag

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Silver Carp Hypophthalmichthys molitrix and Bighead Carp H. nobilis, collectively known as bigheaded carps (BHC), are invasive fishes in the Mississippi River and surrounding basins. Increasing evidence suggests harmful impacts of BHC on native fisheries (e.g., competition). Monitoring the abundance of BHC is difficult with traditional fisheries gears, and few studies have evaluated early life stage sampling. Identifying the spawning locations of BHC through early life stage sampling has the ability to enhance management efforts by applying focus to areas that have potential to serve as population sources. We evaluated the performance of three gears in sampling larval BHC and native taxa within large‐river tributaries in terms of abundance, community assemblage, and size structure. We sampled ichthyoplankton in tributaries with active (push net) and passive (drift net, light trap) gears from March through September 2016. Relative abundance of BHC was greatest in push nets followed by drift nets and was lowest in light traps. Native cyprinids and catostomids as well as BHC comprised a large portion of the total catch. Environmental and habitat characteristics (stream velocity, dissolved oxygen, and temperature) related to BHC reproduction influenced each gear’s ability to capture larval BHC, although relationships in final models were not significant. Taxonomic size selectivity existed among gears; in particular, larger BHC were collected in push nets relative to the other gears. Push nets were the most effective in sampling BHC, and remaining gears exhibited unique strengths. Although less effective than active push nets, drift nets proved useful for monitoring BHC in tributaries and may be advantageous in shallow systems with adequate flow. Light traps were ineffective at capturing BHC larvae in tributaries but may offer utility in lentic habitats or for native cyprinids. Our comparison serves as a guide for monitoring larval BHC in their invaded range and for detection in new areas, such as tributaries of the Great Lakes.

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Multistate models of bigheaded carps in the Illinois River reveal spatial dynamics of invasive species

Cited by 35 publications

References 59 publications

Early generation hybrids may drive range expansion of two invasive fishes

Early generation hybrids may drive range expansion of two invasive fishes

Analysis of per capita contributions from a spatial model provides strategies for controlling spread of invasive carp

Comparison of Active and Passive Larval Sampling Gears in Monitoring Reproduction of Invasive Bigheaded Carps in Large‐River Tributaries

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