Climate‐influenced shifts in a highly migratory species recreational fishery

Crear, Daniel P.; Curtis, Tobey H.; Hutt, Cliff P.; Lee, Yong‐Woo

doi:10.1111/fog.12632

Cited by 9 publications

(4 citation statements)

References 56 publications

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“…The shifts in species habitat and distributions also raise concerns for associated fisheries ( 32 , 33 ) and the socioeconomic impacts of climate change on fishing communities ( 2 , 34 , 35 ). Our results identify hot spots for species habitat loss, concentrated in the Southeast United States and southern GOM, where substantial decreases in habitat suitability are expected for multiple species.…”

Section: Discussionmentioning

confidence: 99%

Widespread habitat loss and redistribution of marine top predators in a changing ocean

Braun,

Lezama-Ochoa,

Farchadi

et al. 2023

Sci. Adv.

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The Northwest Atlantic Ocean and Gulf of Mexico are among the fastest warming ocean regions, a trend that is expected to continue through this century with far-reaching implications for marine ecosystems. We examine the distribution of 12 highly migratory top predator species using predictive models and project expected habitat changes using downscaled climate models. Our models predict widespread losses of suitable habitat for most species, concurrent with substantial northward displacement of core habitats >500 km. These changes include up to >70% loss of suitable habitat area for some commercially and ecologically important species. We also identify predicted hot spots of multi-species habitat loss focused offshore of the U.S. Southeast and Mid-Atlantic coasts. For several species, the predicted changes are already underway, which are likely to have substantial impacts on the efficacy of static regulatory frameworks used to manage highly migratory species. The ongoing and projected effects of climate change highlight the urgent need to adaptively and proactively manage dynamic marine ecosystems.

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Section: Discussionmentioning

confidence: 99%

Widespread habitat loss and redistribution of marine top predators in a changing ocean

Braun,

Lezama-Ochoa,

Farchadi

et al. 2023

Sci. Adv.

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“…Survey and data coordination with Fisheries and Oceans Canada (DFO) and the NOAA Fisheries Southeast Fisheries Science Center (SEFSC) regarding commercial species, protected species, and ecosystem indicators is critically needed to understand and track marine ecosystem change in the regions north and south of the U.S. NES. Species-distribution shifts are not bound to the U.S. NES and thus tracking change in the south Atlantic Bight (U.S. southeast) and in Canadian waters to the north is necessary to understand ecosystem change at a larger spatial scale and may benefit from increased use of animal telemetry [3,[27][28][29][30].…”

Section: Key Needsmentioning

confidence: 99%

NOAA fisheries research geared towards climate-ready living marine resource management in the northeast United States

Saba,

Borggaard,

Caracappa

et al. 2023

PLOS Clim

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Climate change can alter marine ecosystems through changes in ocean temperature, acidification, circulation, and productivity. Over the last decade, the United States northeast continental shelf (U.S. NES) has warmed faster than any other marine ecosystem in the country and is among the fastest warming regions of the global ocean. Many living marine resources in the U.S. NES ranging from recreational and commercial fish stocks to protected species have shifted their distribution in response to ocean warming. The National Oceanic and Atmospheric Administration’s National Marine Fisheries Service (NOAA Fisheries) is responsible for the assessment, protection, and sustainable use of the nation’s living marine resources. In the U.S. NES, NOAA Fisheries has made substantial progress on climate research related to fish, fisheries, and protected species. However, more research is needed to help inform tactical management decisions with the goal of climate-ready living marine resource management. This is a major challenge because the observed physical and biological changes are unprecedented, and the majority of marine species assessments and management decisions do not utilize environmental data. Here we review the research accomplishments and key needs for NOAA Fisheries in the U.S. NES in the context of climate change and living marine resource management. Key research needs and products are: 1) Infrastructure with continued and enhanced ocean surveys that includes cooperative research with the fishing industry and other NOAA line offices and partners; 2) Tracking and projecting change, and understanding mechanisms including state of the ecosystem reporting, improved regional ocean and ecosystem hindcasts, forecasts, and projections, and continued process-based laboratory and field studies, 3) climate-informed management, including stock assessments that account for climate where possible, translation of changing species distributions into spatial management, climate vulnerability assessment and scenario planning, ecosystem-based management, management strategy evaluations, and increased multidisciplinary science that includes economic and social indicators.

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“…Fishery-dependent data are critical for managing and assessing stocks of marine fishes (Quinn and Deriso 1999), tracking trends in the relative abundance of highly migratory species (Lynch et al 2018), forecasting species distributions (Karp et al 2022), and identifying habitat and range shifts (Crear et al 2023). These data are particularly important for fitting age-structured assessment models for short-lived, fast-growing species (Wetzel and Punt 2011;Ono et al 2015).…”

Section: Introductionmentioning

confidence: 99%

“…2022), and identifying habitat and range shifts (Crear et al. 2023). These data are particularly important for fitting age‐structured assessment models for short‐lived, fast‐growing species (Wetzel and Punt 2011; Ono et al.…”

Section: Introductionmentioning

confidence: 99%

Temporal changes in lengths of Dolphinfish revealed by sampling at sportfishing tournaments in the southeastern United States

Rudershausen,

Buckel,

Gregory

et al. 2024

N American J Fish Manag

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ObjectiveOur objective was to use sportfishing tournament data to determine whether sizes of Dolphinfish Coryphaena hippurus have been changing in the western North Atlantic (WNA) over recent decades.MethodsWe sampled North Carolina, South Carolina, and Florida marine sportfishing tournament landings for Dolphinfish lengths. Linear models were separately fitted to length data for males and females by regressing length against year. A subset of these models (analysis of covariance) considered tournament as a factor.ResultAn analysis of covariance model with a separate regression slope for each tournament provided the best fit to the data for male and female Dolphinfish. Meaningful temporal declines in the length of males and females were found for four of the five tournaments (no changes in length were observed for the fifth tournament). Median total length declines of 168, 105, 103, and 426 mm were predicted for males, and declines of 354, 133, 131, and 246 mm were predicted for females. Declines in the largest observed sizes of Dolphinfish (97.5% confidence limit) were found for most tournament‐ and sex‐specific combinations of data and could suggest excess fishing mortality on the population.ConclusionDeclines in Dolphinfish size in the WNA region could have ramifications for conservation of the population given that these size changes translate into reduced individual fecundity of female Dolphinfish. Causes of the size decline could be fishing effects, environmental effects, or a combination of these. Reductions in individual size may be occurring simultaneously with declines in abundance identified in other recent research using fishery‐dependent data collected in the WNA.

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Climate‐influenced shifts in a highly migratory species recreational fishery

Cited by 9 publications

References 56 publications

Widespread habitat loss and redistribution of marine top predators in a changing ocean

Widespread habitat loss and redistribution of marine top predators in a changing ocean

NOAA fisheries research geared towards climate-ready living marine resource management in the northeast United States

Temporal changes in lengths of Dolphinfish revealed by sampling at sportfishing tournaments in the southeastern United States

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