Category Archives: recreational fisheries

Should we account for imperfect detection when evaluating patterns in fish abundance?

Our recent paper sheds light on the issue of imperfect detection when evaluating patterns in fish abundance. We synthesize the information from numerous studies to develop a realistic expectation of when and how the detection probability should vary when sampling fish. Our … Continue reading

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Novel gear combinations for meeting the assumptions of occupancy models in marine systems.

Our new paper demonstrates how applying novel sampling gear combinations can provide statistical replication that is necessary for fitting a class of hierarchical models of occurrence and abundance that use detection/non-detection data. We apply this method to marine reef fish … Continue reading

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Estimating the uncertainty in exploitation rates using parametric bootstrapping

Recently I taught a class on estimating fisheries exploitation rates with tagging studies.  A common study design to estimate exploitation rates is to release tagged fish into the system and allow anglers to return the tags when they harvest a … Continue reading

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Under what conditions do we expect spawning-season closures to be effective at protecting largemouth and smallmouth bass stocks?

Black basses such as largemouth bass and smallmouth bass support popular recreational fisheries across North America.  In addition to length limits and bag limits, bass stocks are often managed with seasonal closures during spawning, particularly in their northern regions.  Spawning … Continue reading

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