New technology for an ancient fish: A lamprey life cycle modeling tool with an R Shiny application

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Authors

Dylan G. E. Gomes, Joseph Benjamin, Benjamin Clemens, Ralph Lampman, Jason Dunham

Abstract

Lampreys (Petromyzontiformes) are an ancient group of fishes with complex life histories. We created a life cycle model that includes an R Shiny interactive web application interface to simulate abundance by life stage. This will allow scientists and managers to connect available demographic information in a framework that can be applied to questions regarding lamprey biology and conservation. We used Pacific lamprey (Entosphenus tridentatus) as a case study to highlight the utility of this model. We applied a global sensitivity analysis to explore the importance of individual life stage parameters to overall population size, and to better understand the implications of existing gaps in knowledge. We also provided example analyses of selected management scenarios (dam passage, fish translocations, and hatchery additions) influencing Pacific lamprey in fresh water. These applications illustrate how the model can be applied to inform conservation efforts. This tool will provide new capabilities for users to explore their own questions about lamprey biology and conservation. Simulations can hone hypotheses and predictions, which can then be empirically tested in the real world.

DOI

https://doi.org/10.32942/X28G9B

Subjects

Applied Mathematics, Applied Statistics, Ecology and Evolutionary Biology, Life Sciences, Marine Biology, Natural Resources and Conservation, Natural Resources Management and Policy, Population Biology, Systems Biology, Terrestrial and Aquatic Ecology

Keywords

Process-based model, conservation, fish passage, barriers, hatchery

Dates

Published: 2024-11-25 00:35

License

CC BY Attribution 4.0 International

Additional Metadata

Language:
English

Conflict of interest statement:
None

Data and Code Availability Statement:
N/A