EP216: Mortality, Models & Striper Outlooks
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EP216: Mortality, Models & Striper Outlooks
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The old stock assessment models, with fixed effects and oversimplified assumptions, have failed to capture the true biological and spatial complexity of striped bass populations. Now, a cutting-edge model called WAM (Woods Hole Assessment Model) promises to deliver a far more realistic picture — but only if we understand its potential and pitfalls.
In this episode, we dive into the heart of the debate: Can the new WAM model address longstanding flaws like fixed mortality rates and unreliable data inputs? In this episode, scientists and anglers unpack how the transition from traditional catch-at-age models to probabilistic, spatially explicit frameworks could reshape our understanding of recruitment, natural mortality, and spawning stock biomass. We explore the limitations of basic assumptions—like constant mortality across fish sizes—and reveal how outdated science has misled managers, impacting regulations and future conservation efforts.