Lateral and vertical distribution of downstream migrating juvenile sea lamprey

Sotola, V. Alex; Miehls, Scott M.; Simard, Lee G.; Marsden, J. Ellen

doi:10.1016/j.jglr.2018.03.004

Cited by 12 publications

(8 citation statements)

References 18 publications

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“…To determine timing of downstream movement we monitored downstream passage for newly metamorphosed juvenile sea lamprey using PIT telemetry November 3, 2014 –December 15, 2014. Downstream-moving newly-metamorphosed juvenile sea lamprey (n = 290) were initially collected using a combination of drift nets (0.61 m x 0.30 m mouth; 4.8 mm delta mesh) and fyke nets (1.83 m x 0.91 m mouth; 6.4 mm delta mesh main body; 4.8 mm delta mesh cod end) deployed near the confluence of Morpion Stream and Pike River, Quebec (45°10'23.68"N 73° 2'16.98"W) as part of a spatial distribution study [33]. Below the confluence, the Pike River drains into Missisquoi Bay at the northern end of Lake Champlain.…”

Section: Methodsmentioning

confidence: 99%

Diel activity of newly metamorphosed juvenile sea lamprey (Petromyzon marinus)

2019

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Timing of activity, especially for juvenile anadromous fishes undertaking long migrations can be critical for survival. River-resident larval sea lamprey metamorphose into juveniles and migrate from their larval stream habitats in fall through spring, but diel timing of this migratory behavior is not well understood. Diel activity was determined for newly metamorphosed sea lamprey using day/night net sampling and passive integrated transponder (PIT) telemetry in two natural streams and PIT telemetry in an artificial stream. Downstream migration was primarily nocturnal in all studies. All but one of 372 sea lamprey were captured during night sampling in the day/night net collections and all detections (N = 56) for the in-stream PIT telemetry occurred within a few hours after sunset. Most (81% of 48) tagged lamprey moved downstream during the first night following release and moved at speeds consistent with observed water velocities. During long-term observation of behavior in the artificial stream most sea lamprey movement occurred during the night with limited occurrence of movement during daylight hours. Understanding seasonal and diel timing of downstream migration behavior may allow more effective management of sea lamprey for both conservation and control.

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Section: Methodsmentioning

confidence: 99%

Diel activity of newly metamorphosed juvenile sea lamprey (Petromyzon marinus)

2019

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“…Early control program efforts tell us that downstream migration may be protracted, lasting from October through April (Applegate 1950). However, a large proportion of the population may be vulnerable to capture during a limited number of days (Sotola et al 2018) resulting from flood pulses triggering lamprey to move en masse, and migration appears to be limited largely to hours of darkness at least during the fall and winter (Miehls et al 2019). Though downstream movement appears to occur largely during flood pulses, the exact mechanisms triggering the initiation of migration are unknown.…”

Section: Migratory Juvenile Sea Lamprey Trappingmentioning

confidence: 99%

“…Beyond understanding timing, development of truly effective means to capture and remove juvenile sea lamprey will require an understanding of how they migrate. Downstream migratory juvenile sea lamprey appear to be more prevalent in higher flow regions of the stream (Sotola et al 2018) and may even select for higher water velocity areas (Bracken and Lucas 2013) where use of conventional gear is not feasible. To that end, non-physical stimuli such as electric fields (Johnson et al 2014) low frequency sound (Mickle et al 2018), light, and alarm cues (Johnson et al in press) have been or are currently being tested as possible guidance tools to redirect juvenile lamprey into stream regions where conventional trapping gear can operate effectively.…”

Section: Migratory Juvenile Sea Lamprey Trappingmentioning

confidence: 99%

“…Fish and Wildlife Service, Marquette, MI). Little information is available about efficiency of fyke nets for juvenile lamprey as effectiveness will likely be determined by the proportion of the stream discharge that is fished (Sotola et al 2018) assuming the timing of gear deployment is able to match the timing of downstream migration given the challenges of operating conventional nets during fall through spring when migration typically occurs. Hanson and Swink (1989) estimated that fyke nets deployed in the Ocqueoc River, Michigan captured between 1 and 12% of marked sea lamprey during mark and recapture studies conducted 1963-1968.…”

Section: Experimental Sea Lamprey Trappingmentioning

confidence: 99%

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The future of barriers and trapping methods in the sea lamprey (Petromyzon marinus) control program in the Laurentian Great Lakes

Miehls

Sullivan²,

Twohey

et al. 2019

Rev Fish Biol Fisheries

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A major duty of the Great Lakes Fishery Commission (GLFC), created in 1955, was the development a program of eradication or management of sea lamprey populations in the Great Lakes for the protection of the Great Lakes fishery. Beginning in the 1980s the GLFC shifted sea lamprey control to an integrated pest management model seeking to deploy control measures which target multiple life stages. Currently control efforts focus on limiting the area of infestation using barriers to migratory adults and eradication of larvae from streams using selective pesticides. Feedback on program effectiveness is obtained by trapping migratory adult lamprey at a series of index sites around the basin. The GLFC continues to support multiple research initiatives to develop additional control, improve current control measures, and further advance the sea lamprey control program. During the past six decades sea lamprey control in the Great Lakes has evolved as the research program has identified technological advances. Here we summarize the current state and recent advancements for two of the sea lamprey control program’s core elements, barriers and traps, highlight challenges to be addressed to continue the advancement of these program elements, and provide a series of research questions to spur interest within the research community. Further, because considerable information about these program elements is scattered among grey literature and technical reports, we summarize the history of barriers and traps in sea lamprey control in the included appendices to provide relevant program background to anyone interested in pursuing these research topics.

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“…The Sea Lamprey Petromyzon marinus is targeted for restoration in its native range (North Atlantic) and is targeted for control in systems where it is invasive (Laurentian Great Lakes; Hansen et al 2016). Juvenile Sea Lamprey out‐migrate from natal streams at night during high‐discharge events (Sotola et al 2018), presumably to minimize the risk of predation (Potter 1980). Physiologically, juvenile Sea Lamprey are sensitive to individual photons of light (Morshedian and Fain 2015) and are negatively phototactic to low‐intensity white light (10 lx; Binder et al 2013), although photosensitivity of juveniles is reduced after metamorphosis of ammocoetes to the parasitic (transformer) phase.…”

mentioning

confidence: 99%

Evaluation of Visible Light as a Cue for Guiding Downstream Migrant Juvenile Sea Lamprey

et al. 2020

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Light can modify orientation and locomotory behaviors in fish and has been applied to attract or repel migrant fish by inducing positive or negative phototaxis. Here, recently metamorphosed downstream‐migrating Sea Lamprey Petromyzon marinus were exposed to light cues in several orientations and intensities at night under controlled flowing‐water conditions in a laboratory flume. Behaviors and rates of downstream movement were monitored with overhead cameras and nets. When exposed to low‐intensity white light, 16–23% more Sea Lamprey were captured in a net closest to the light cue array compared to a dark control condition, suggesting some degree of positive phototaxis at low light levels (100 lx at a distance of 1 m from the light source). An interaction with the side of the flume (possibly due to varying flow conditions) and light treatment was also observed. At higher light intensities (1,000 lx at 1 m from the source), Sea Lamprey progressed downstream at a lower rate than was observed during dark conditions. After high‐intensity light treatments, fewer Sea Lamprey were observed in the nets at the downstream end of the flume and more Sea Lamprey were observed in the flume or in the release channel compared to dark control trials. Therefore, some photonegative behavior may be expressed at light levels of 1,000 lx or greater, perhaps as an attempt to avoid detection by predators by remaining stationary or seeking shelter. Light may have utility as a cue used for guidance devices to control Sea Lamprey, but further research is needed to define how light intensity and the environment (turbidity, depth, water velocity, and natural habitat features) influence locomotion, changes in swimming depth, and other behavioral responses of downstream‐migrating juvenile Sea Lamprey.

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Lateral and vertical distribution of downstream migrating juvenile sea lamprey

Cited by 12 publications

References 18 publications

Diel activity of newly metamorphosed juvenile sea lamprey (Petromyzon marinus)

Diel activity of newly metamorphosed juvenile sea lamprey (Petromyzon marinus)

The future of barriers and trapping methods in the sea lamprey (Petromyzon marinus) control program in the Laurentian Great Lakes

Evaluation of Visible Light as a Cue for Guiding Downstream Migrant Juvenile Sea Lamprey

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