Scientific Considerations Informing Magnuson–Stevens Fishery Conservation and Management Act Reauthorization

Miller, Thomas J.; Jones, Cynthia M.; Hanson, Chad; Heppell, Selina S.; Jensen, Olaf P.; Livingston, Patricia A.; Lorenzen, Kai; Mills, Katherine E.; Patterson, Will; Sullivan, Patrick J.; Wong, Richard

doi:10.1002/fsh.10179

Cited by 14 publications

(9 citation statements)

References 44 publications

(72 reference statements)

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“…Together, these results indicate that the wider implementation of best practices in fisheries management will mitigate many of the negative impacts of climate change. In higher capacity systems, best practices include scientifically-informed catch limits, accountability measures, regional flexibility in policy practices, and protection of essential fish habitat [50]. In the United States, such measures have contributed to dramatic declines in overfishing, increases in biomass, and maintenance of catch and profits [51].…”

Section: Guiding Principles For Climate-adaptive Fisheries Managementmentioning

confidence: 99%

Realistic fisheries management reforms could mitigate the impacts of climate change in most countries

et al. 2020

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Although climate change is altering the productivity and distribution of marine fisheries, climate-adaptive fisheries management could mitigate many of the negative impacts on human society. We forecast global fisheries biomass, catch, and profits to 2100 under three climate scenarios (RCPs 4.5, 6.0, 8.5) and five levels of management reform to (1) determine the impact of climate change on national fisheries and (2) quantify the national-scale benefits of implementing climate-adaptive fisheries reforms. Management reforms accounting for shifting productivity and shifting distributions would yield higher catch and profits in the future relative to today for 60-65% of countries under the two least severe climate scenarios but for only 35% of countries under the most severe scenario. Furthermore, these management reforms would yield higher cumulative catch and profits than business-asusual management for nearly all countries under the two least severe climate scenarios but would yield lower cumulative catch for 40% of countries under the most severe scenario. Fortunately, perfect fisheries management is not necessary to achieve these benefits: transboundary cooperation with 5-year intervals between adaptive interventions would result in comparable outcomes. However, the ability for realistic management reforms to offset the negative impacts of climate change is bounded by changes in underlying biological productivity. Although realistic reforms could generate higher catch and profits for 23-50% of countries experiencing reductions in productivity, the remaining countries would need to develop, expand, and reform aquaculture and other food production sectors to offset losses in capture fisheries. Still, climate-adaptive management is more profitable than business-as-usual management in all countries and we provide guidance on implementing-and achieving the benefits of-climate-adaptive fisheries reform along a gradient of scientific, management, and enforcement capacities.

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Section: Guiding Principles For Climate-adaptive Fisheries Managementmentioning

confidence: 99%

Realistic fisheries management reforms could mitigate the impacts of climate change in most countries

et al. 2020

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“…Together, these results indicate that the wider implementation of best practices in fisheries management will mitigate many of the negative impacts of climate change. In higher capacity systems, best practices include scientifically-informed catch limits, accountability measures, regional flexibility in policy practices, and protection of essential fish habitat [41]. In the United States, such measures have contributed to dramatic declines in overfishing, increases in biomass, and maintenance of catch and profits [42].…”

Section: Discussionmentioning

confidence: 99%

Realistic fisheries management reforms could mitigate the impacts of climate change in most countries

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et al. 2019

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20Although climate change is altering the productivity and distribution of marine fisheries, 21climate-adaptive fisheries management could mitigate many of the negative impacts on human 22society. We forecast global fisheries biomass, catch, and profits to 2100 under three climate 23 scenarios (RCPs 4.5, 6.0, 8.5) and five levels of management reform to (1) determine the impact 24 of climate change on national fisheries and (2) quantify the national-scale benefits of 25implementing climate-adaptive fisheries reforms. Management reforms accounting for shifting 26 productivity and shifting distributions would yield higher catch and profits in the future relative 27to today for 60-65% of countries under the two least severe climate scenarios but for only 35% 28of countries under the most severe scenario. Furthermore, these management reforms would 29 yield higher cumulative catch and profits than business-as-usual management for nearly all 30 countries under the two least severe climate scenarios but would yield lower cumulative catch 31for 40% of countries under the most severe scenario. Fortunately, perfect fisheries 32 management is not necessary to achieve these benefits: transboundary cooperation with 5-33year intervals between adaptive interventions would result in comparable outcomes. However, 34the ability for realistic management reforms to offset the negative impacts of climate change is 35bounded by changes in underlying biological productivity. Although realistic reforms could 36 generate higher catch and profits for 23-50% of countries experiencing reductions in 37 productivity, the remaining countries would need to develop, expand, and reform aquaculture 38and other food production sectors to offset losses in capture fisheries. Still, climate-adaptive 39 management is more profitable than business-as-usual management in all countries and we 40provide guidance on implementing -and achieving the benefits of -climate-adaptive fisheries 41reform along a gradient of scientific, management, and enforcement capacities. 42 43 44Marine fisheries provide a vital source of food for over half the world's population and 45 support the livelihoods of over 56 million people globally [1].

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“…Changes in the spatial and temporal distribution of species influence the operation, economic efficiency, and management of fisheries. In their recommendation on the reauthorization of the Magnuson-Stevens Fishery Conservation and Management Act, Miller et al (2018) emphasized that global warming, ocean acidification, and increased competent uses (e.g., offshore energy and commerce) are rapidly changing the coastal oceans. These changes can profoundly affect fish and invertebrate productivity and distribution (Nye et al 2009;Pinsky et al 2013).…”

Section: Discussionmentioning

confidence: 99%

Windowpane Seasonal Distribution and Survey Availability on the Southern Portion of Georges Bank, USA

2019

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The Windowpane Scophthalmus aquosus stock in Georges Bank and the Gulf of Maine is considered overfished despite the lack of a directed fishery. Windowpane stocks are assessed using an index‐based method relying on the Northeast Fisheries Science Center's (NEFSC; National Oceanic and Atmospheric Administration) fall trawl survey. From 2013 to 2016, the School for Marine Science and Technology (SMAST; University of Massachusetts Dartmouth) conducted a fisheries‐independent trawl survey on the southern portion of Georges Bank, including part of Closed Area II. Using both the NEFSC and SMAST survey catches, we examined seasonal variations in CPUE of Windowpanes as well as their relationship with depth and temperature. Windowpane CPUE was significantly higher in the spring than in the fall and was linked with temperature changes. On the southern portion of Georges Bank, the NEFSC and SMAST surveys had similar relationships between Windowpane catch and temperature. In the spring, Windowpanes were abundant at water temperatures less than 7°C, and they moved out of the area as the temperature increased. In the fall, Windowpane CPUE was higher in warmer water temperatures and decreased as the temperature decreased. As Windowpanes moved out of the area, Fourspot Flounder Paralichthys oblongus replaced them in the habitat. This distribution pattern seems to occur across the whole stock. Our findings suggest that environmental factors can affect the CPUE indices from surveys that are assumed to be consistent, and this should be considered in future assessments.

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Scientific Considerations Informing Magnuson–Stevens Fishery Conservation and Management Act Reauthorization

Cited by 14 publications

References 44 publications

Realistic fisheries management reforms could mitigate the impacts of climate change in most countries

Realistic fisheries management reforms could mitigate the impacts of climate change in most countries

Realistic fisheries management reforms could mitigate the impacts of climate change in most countries

Windowpane Seasonal Distribution and Survey Availability on the Southern Portion of Georges Bank, USA

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