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Sensitivity of the stock synthesis assessment model : a simulation approach

Creator:

Yin, Yanshui

Abstract:

Stock assessments for many U.S. Pacific coast groundfish stocks are developed using the catch-at-age method known as Stock Synthesis. In this work a simulation package was developed and used to evaluate the sensitivity of the Stock Synthesis program. More specifically, the evaluation focused on the impacts of input data errors...

Resource Type:

Dissertation

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Stock Synthesis Assessment Model: a Simulation Approach. Abstract approved: David B. Sampson Stock
Evaluating the data-poor fishery stock assessment method, DB-SRA

Creator:

Owashi, Brandon R.

Abstract:

Depletion-Based Stock Reduction Analysis (DB-SRA; Dick and MacCall, 2011) is a catch-only fisheries stock assessment model that has been developed to estimate an overfishing limit (OFL) in data-poor situations. DB-SRA projects the biomass trajectories of a stock by means of a catch time series and five parameters: the instantaneous, per...

Resource Type:

Masters Thesis

Full Text:

) is a catch-only fisheries stock assessment model that has been developed to estimate an overfishing
Stock Synthesis Assessments of Spatially Structured Fish Populations with an Environmental Driver on Recruitment Distribution : A Simulation Study and Discussion

Creator:

Denson, LaTreese S.

Abstract:

Stock assessments use statistical models and empirical data to re-create the population dynamics of a stock in order to provide estimates of biomass and fishing mortality rates to inform fisheries management. Fish stocks are not uniformly distributed across spatial regions, but stock assessments typically ignore stock spatial structure, for the...

Resource Type:

Masters Thesis

Full Text:

assessment software. An operating model is used to simulate fish population dynamics influenced by spatial

ScholarsArchive@OSU

Sensitivity of the stock synthesis assessment model : a simulation approach

Evaluating the data-poor fishery stock assessment method, DB-SRA

Stock Synthesis Assessments of Spatially Structured Fish Populations with an Environmental Driver on Recruitment Distribution : A Simulation Study and Discussion

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