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Bluefish ecosystem and socioeconomic profile
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2022
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[PDF-2.34 MB]
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Description:An Ecosystem and Socioeconomic Profile (ESP) was used as a framework to address TOR1 in this research track assessment. ESP is a standardized framework to facilitate the inclusion of ecosystem and socioeconomic information in the stock advice process; it leverages existing information to understand the ecological and socio-economic drivers of stock dynamics and to incorporate this diverse information into the stock advice process through the creation of ecosystem and socioeconomic indicators. This standard framework also facilitates the interpretation of data and allows future working groups to update the existing indicators in addition to creating and assessing new indicators. The ESP process begins with (1) a systematic review of existing ecosystem and socioeconomic literature and identification of problem statements for the stock, followed by (2) development of conceptual models to outline the major drivers on the stock, (3) creation of indicators relevant to stock performance, (4) analysis of select indicators, and, lastly, (5) reporting out scientific advice. The scientific advice provided by an ESP can come at multiple levels of complexity, ranging from providing additional context and research recommendations, to suggesting new covariates to include as covariates to inform assessment modeling. The bluefish ESP includes a comprehensive literature review of bluefish life history and related ecosystem considerations relating to bluefish habitat, distribution, diet, predators, competitors, growth, and survival at each life stage, as well as a review of the history of the bluefish stock assessment and relevant biological information that is used to make decisions relating to the assessment modeling. Diet data collected from multiple scientific surveys were analyzed to determine the major prey and predators of bluefish, supplementing the literature review with the most recent data. Distributional and environmental data from multiple state and federal surveys were analyzed to understand where, when, and under what conditions bluefish of multiple life stages and size classes were found. Ecosystem and socioeconomic indicators were developed to better understand metrics of ecosystem and socioeconomic status, as well as to begin to probe potential mechanistic linkages between the environment and the status of the bluefish stock.
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Rights Information:CC0 Public Domain
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