Invasive species control and management: The sea lamprey story

Wilkie, Michael P.; Johnson, Nicholas S.; Docker, Margaret F.

doi:10.1016/bs.fp.2022.09.001

Cited by 7 publications

(8 citation statements)

References 387 publications

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“…RNAi-based methods can be species-specific and target specific genes, and therefore, may pose minimal risk to people or the environment 46 . RNAi has already been tested in the laboratory as a next generation sea lamprey pesticide 47 , and similar work could develop the next generation sterilant used to sterilize sea lamprey streamside 14 . The same concept may be applicable to a broad range of vertebrate pests depending on their life history and mating system.…”

Section: Discussionmentioning

confidence: 99%

“…Sea lamprey larvae filter feed for several years prior to transforming to juveniles and migrating to the Ocean to parasitize fish 13 . Sea lamprey invaded the Great Lakes in the 1930s using canals built for commerce vessels 14 . Juvenile sea lamprey that parasitize freshwater fish are destructive because each sea lamprey consumes more than 1 kg of blood in the 12–18 month transition to adulthood and most freshwater fishes in the Great Lakes are too small to survive that magnitude of blood loss 15 , 16 .…”

Section: Introductionmentioning

confidence: 99%

“…Male sea lamprey build nests along with females, males often mate with multiple females, and both sexes die after spawning 19 . Therefore, tactics that exploit the unique physiology and mating system 14 of sea lamprey may be able to supplement the use of barriers and lampricide 12 . Following the conceptual model developed by Knipling 20 , a method for sterilizing adult male sea lamprey through injection of a chemosterilant in a laboratory was developed in 1970s by Lee Hanson 21 .…”

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confidence: 99%

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A decade-long study demonstrates that a population of invasive sea lamprey (Petromyzon marinus) can be controlled by introducing sterilized males

Johnson,

Lewandoski,

Jubar

et al. 2024

Sci Rep

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The release of sterilized insects to control pest populations has been used successfully during the past 6 decades, but application of the method in vertebrates has largely been overlooked or met with failure. Here, we demonstrate for the first time in fish, that a small population of sea lamprey (Petromyzon marinus; Class Agnatha), arguably one of the most impactful invasive fish in the world, can be controlled by the release of sterilized males. Specifically, the release of high numbers of sterile males (~ 1000's) into a geographically isolated population of adult sea lamprey resulted in the first multiyear delay in pesticide treatment since treatments began during 1966. Estimates of percent reduction in recruitment of age-1 sea lamprey due to sterile male release ranged from 7 to 99.9% with the precision of the estimate being low because of substantial year-to-year variability in larval density and distribution. Additional monitoring that accounts for recruitment variability in time and space would reduce uncertainty in the degree to which sterile male release reduces recruitment rates. The results are relevant to vertebrate pest control programs worldwide, especially as technical opportunities to sterilize vertebrates and manipulate sex ratios expand.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

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A decade-long study demonstrates that a population of invasive sea lamprey (Petromyzon marinus) can be controlled by introducing sterilized males

Johnson,

Lewandoski,

Jubar

et al. 2024

Sci Rep

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“…The CoTS IPM program (Westcott, Fletcher, Gladish, & Babcock, 2021) serves as an important case study for the potential success of IPM in a marine environment and for natural resource management. The program complements similar aquatic IPM applications in freshwater environments, to manage invasive sea lamprey ( Petromyzon marinus ) (Wilkie et al, 2022), and carp (e.g., Aaron et al, 2021; Brown & Gilligan, 2014). In each case of IPM (CoTS, sea lamprey, and carp), thresholds have been identified based on how each organism interacts with its environment and represents pest population densities that have a detrimental impact on their respective systems.…”

Section: Discussionmentioning

confidence: 99%

Improving coral cover using an integrated pest management framework

Rogers,

Plagányi,

Babcock

et al. 2023

Ecological Applications

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Integrated pest management (IPM) leverages our understanding of ecological interactions to mitigate the impact of pest species on economically and/or ecologically important assets. It has primarily been applied in terrestrial settings (e.g. agriculture), but rarely been attempted for marine ecosystems. The crown‐of‐thorns starfish (CoTS), Acanthaster spp., is a voracious coral predator throughout the Indo‐Pacific where it undergoes large population increases (irruptions), termed outbreaks. During outbreaks CoTS act as a pest species and can result in substantial coral loss. Contemporary management of CoTS on the Great Barrier Reef (GBR) adopts facets of the IPM paradigm to manage these outbreaks through strategic use of direct manual control (culling) of individuals in response to ecologically based target thresholds. There has, however, been limited quantitative analysis of how to optimise the implementation of such thresholds. Here we use a multispecies modelling approach to assess the performance of alternative CoTS management scenarios for improving coral cover trajectories. Scenarios examined varied in terms of their ecological threshold target, the sensitivity of the threshold, and level of management resourcing. Our approach illustrates how to quantify multidimensional trade‐offs in resourcing constraints, concurrent CoTS and coral population dynamics, stringency of target thresholds, and the geographical scale of management outcomes (number of sites). We found strategies with low target density thresholds for CoTS (≤0.03 CoTS.min‐1) could act as “Effort Sinks” and limit the number of sites that could be effectively controlled, particularly under CoTS population outbreaks. This was because a handful of sites took longer to control which meant other sites were not controlled. Higher density thresholds (e.g. 0.04‐0.08 CoTS.min‐1), tuned to levels of coral cover, diluted resources amongst sites but were more robust to resourcing constraints and pest population dynamics. Our study highlights trade‐off decisions when using an IPM framework and is informing implementation of threshold‐based strategies on the GBR.

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“…Over the last decade, aquaculture research on Pacific lamprey Entosphenus tridentatus has generated significant advances in the development of methods to culture embryos and larvae for both research and stocking efforts in the Columbia River basin of the Pacific Northwest region of North America [11]. Coincident with the decline of many native lamprey species, in the Laurentian Great Lakes, an invasive population of sea lamprey Petromyzon marinus established itself as one of the most destructive pests in the world's largest freshwater system [12]. Sea lamprey invasion led to the implementation of a bi-national (US and Canada) control program that seeks to maintain the abundance of sea lamprey at levels low enough to be economically tolerable to the lake's multi-billion-dollar fishery [13].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Larval Sea Lamprey Petromyzon marinus Growth in the Laboratory: Influence of Temperature and Diet

Hume,

Bennis,

Bruning

et al. 2024

Aquaculture Research

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Conservation aquaculture provides a means for promoting environmental stewardship, useful both in the context of restoring native species and limiting the production of invasive species. Aquaculture of lampreys is a relatively recent endeavor aimed primarily at producing animals to support the restoration of declining native populations. However, in the Laurentian Great Lakes, where sea lamprey Petromyzon marinus are invasive, the ability to acquire a reliable source of certain life stages would be a significant benefit to those controlling their populations and studying the species. Here, we apply methodologies developed for Pacific lamprey Entosphenus tridentatus restoration to investigate the feasibility of rearing larval sea lamprey under laboratory conditions. In two experiments lasting 3 and 9 months, we tested the effects of different dietary sources and water temperature (ambient and controlled) on the survival and growth of wild-caught larvae. Rearing conditions had no effect on mortality, as larval survival was 100% in both experiments. Growth was significantly affected by water temperature, with the highest average daily growth rates observed at 22 and 15°C (0.14 mm day−1) and lowest at 8°C (0.06 mm day−1). Diets of yeast alone (0.19 and 0.21 g L−1) performed better than those comprising a mixture of yeast and other material when fed 3 times weekly (rice flour, wheat flour, fish meal; 0.19 and 0.32 g L−1). Averaged across the three constant temperatures (8, 15, and 22°C), larvae fed on yeast grew 0.13 mm day−1 and 0.01 g day−1, whereas on yeast + fish meal, they grew 0.09 mm day−1 and 0.01 g day−1. At ambient temperature (4–20°C), larvae fed on yeast grew 0.15 mm day−1 and 0.01 g day−1, whereas those fed on yeast + wheat flour grew 0.13 mm day−1 and 0.008 g day−1 and those fed on yeast + rice flour grew 0.12 mm day−1 and 0.009 g day−1. An experimental duration of 90 days was sufficient to detect significant changes to larval sea lamprey growth stemming from temperature variation. Overall, rearing of sea lamprey in captivity appears feasible at low density (31–32 g m−2 and 17–25 larvae m−2), but uncertainties remain regarding the most appropriate means of providing adequate feed for these fish in high-density conditions.

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Invasive species control and management: The sea lamprey story

Cited by 7 publications

References 387 publications

A decade-long study demonstrates that a population of invasive sea lamprey (Petromyzon marinus) can be controlled by introducing sterilized males

A decade-long study demonstrates that a population of invasive sea lamprey (Petromyzon marinus) can be controlled by introducing sterilized males

Improving coral cover using an integrated pest management framework

Evaluation of Larval Sea Lamprey Petromyzon marinus Growth in the Laboratory: Influence of Temperature and Diet

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