Impact of the 2014–2016 marine heatwave on US and Canada West Coast fisheries: Surprises and lessons from key case studies

Fish and Fisheries, Journal Year: 2023, Volume and Issue: 24(4), P. 652 - 674

Published: April 20, 2023

Abstract Marine heatwaves are increasingly affecting marine ecosystems, with cascading impacts on coastal economies, communities, and food systems. Studies of provide crucial insights into potential ecosystem shifts under future climate change put fisheries social‐ecological systems through “stress tests” that expose both vulnerabilities resilience. The 2014–16 Northeast Pacific heatwave was the strongest longest record resulted in profound ecological changes impacted fisheries, management, human livelihoods. Here, we synthesize 2014–2016 US Canada West Coast extract key lessons for preparing global science, industries future. We set stage a brief review ecosystems first systematic analysis economic these commercial recreational fisheries. then examine ten case studies instructive examples complex surprising challenges pose to These reveal important improving resilience monitoring management increasing adaptive capacity stressors. Key recommendations include: (1) expanding enhance mechanistic understanding, early warning signals, improve predictions impacts; (2) flexibility, adaptiveness, inclusiveness where possible; (3) using simulation testing help guide decisions; (4) enhancing fishing communities by promoting engagement, experimentation, failsafes. advancements as prepare changing ocean.

Language: Английский

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Climate Change Influences via Species Distribution Shifts and Century‐Scale Warming in an End‐To‐End California Current Ecosystem Model

Global Change Biology, Journal Year: 2025, Volume and Issue: 31(1)

Published: Jan. 1, 2025

ABSTRACT Climate change can impact marine ecosystems through many biological and ecological processes. Ecosystem models are one tool that be used to simulate how the complex impacts of climate may manifest in a warming world. In this study, we an end‐to‐end Atlantis ecosystem model compare contrast effects climate‐driven species redistribution projected temperature from three separate on key commercial importance California Current Ecosystem. Adopting scenario analysis approach, measure differences biomass, abundance, weight at age pelagic demersal among six simulations for years 2013–2100 tracked implications those changes spatially defined fishing fleets. The varied their use forced distribution shifts, time‐varying projections ocean warming, or both. general, abundance biomass coastal like Pacific sardine ( Sardinops sagax ) northern anchovy Engraulis mordax were more sensitive change, while groups Dover sole Microstomus pacificus experienced smaller due counteracting spatial metabolic warming. Climate‐driven shifts resulting food web interactions influential than end‐of‐century patterns. Spatial fisheries catch did not always align with targeted species. This mismatch is likely into out areas emphasizes explicit understanding both dynamics. We illuminate important pathways which acts context end discussion potential management future directions research using models.

Language: Английский

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It is past time to use ecosystem models tactically to support ecosystem‐based fisheries management: Case studies using Ecopath with Ecosim in an operational management context

Fish and Fisheries, Journal Year: 2023, Volume and Issue: 24(3), P. 381 - 406

Published: Feb. 27, 2023

Abstract The implementation of ecosystem management requires modelling within the context a natural resource process. Ecopath with Ecosim (EwE) is most widely used platform for investigating dynamics marine ecosystems, but has played limited role in fisheries and multi‐sector decision‐making. We review 10 case studies that demonstrate use EwE to support operational management. models are being inform tactical decision‐making other ocean sectors, as well identify key trade‐offs, develop appropriate policy objectives, reconcile conflicting legislative mandates variety ecosystems. suggest following criteria enhance management: (1) clear objective can be addressed through modelling; (2) an important trade‐off receptive amenable evaluation; (3) accessible well‐documented model follows best practices; (4) early iterative engagement among scientists, stakeholders, managers; (5) integration collaborative process; (6) multi‐model approach; (7) rigorous Our suggests existing frameworks much or more limitation than technical issues related data availability uncertainty. Ecosystem increasingly needed facilitate effective transparent assert requisite conditions currently exist enhanced strategic

Language: Английский

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Increasing the uptake of multispecies models in fisheries management

ICES Journal of Marine Science, Journal Year: 2023, Volume and Issue: 80(2), P. 243 - 257

Published: Jan. 23, 2023

Abstract Multispecies models have existed in a fisheries context since at least the 1970s, but despite much exploration, advancement, and consideration of multispecies models, there remain limited examples their operational use fishery management. Given that species fleet interactions are inherently problems push towards ecosystem-based management, lack more regular is both surprising compelling. We identify impediments hampering provide recommendations to address those impediments. These are: (1) engage stakeholders managers early often; (2) improve messaging communication about various uses models; (3) move forward with management under current authorities while exploring inclusive governance structures flexible decision-making frameworks for handling tradeoffs; (4) evaluate when modelling approach may be appropriate; (5) tailor model clearly defined purpose; (6) develop interdisciplinary solutions promoting applications; (7) make guidelines available review application; (8) ensure code well documented reproducible. draw from global assemblage subject matter experts who participated workshop entitled “Multispecies Modeling Applications Fisheries Management”.

Language: Английский

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Global insights on managing fishery systems for the three pillars of sustainability

Fish and Fisheries, Journal Year: 2022, Volume and Issue: 23(4), P. 899 - 909

Published: March 25, 2022

Abstract There is growing recognition that fisheries should be managed for all three pillars of sustainability: economic, social and environmental sustainability. Limited quantitative evidence exists on factors supporting sustainability, much less contribute to multiple dimensions To develop a broader understanding the influence performance fishery management systems in environmental, economic pillars, we examine 11 input conjectured successful using global dataset 145 case studies. The analysis indicates approaches are cross‐cutting sustainability varying extents. Importantly, exogenous can as important management, suggesting collaboration institutions with other public private sustainable development.

Language: Английский

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Projecting species distributions using fishery‐dependent data

Fish and Fisheries, Journal Year: 2022, Volume and Issue: 24(1), P. 71 - 92

Published: Oct. 13, 2022

Abstract Many marine species are shifting their distributions in response to changing ocean conditions, posing significant challenges and risks for fisheries management. Species distribution models (SDMs) used project future the face of a climate. Information fit SDMs generally comes from two main sources: fishery‐independent (scientific surveys) fishery‐dependent (commercial catch) data. A concern with data is that fishing locations not independent underlying abundance, potentially biasing predictions distributions. However, resources surveys increasingly limited; therefore, it critical we understand strengths limitations developed We simulation approach evaluate potential inform abundance estimates quantify bias resulting different sampling scenarios California Current System (CCS). then evaluated ability changes spatial over time compare scale which model performance degrades between as function climate novelty. Our results show generated can still result high predictive skill several decades into future, given specific forms preferential low Therefore, may be able supplement information reduced or eliminated budgetary reasons future.

Language: Английский

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Towards vibrant fish populations and sustainable fisheries that benefit all: learning from the last 30 years to inform the next 30 years

Reviews in Fish Biology and Fisheries, Journal Year: 2023, Volume and Issue: 33(2), P. 317 - 347

Published: March 4, 2023

A common goal among fisheries science professionals, stakeholders, and rights holders is to ensure the persistence resilience of vibrant fish populations sustainable, equitable in diverse aquatic ecosystems, from small headwater streams offshore pelagic waters. Achieving this requires a complex intersection management, recognition interconnections people, place, that govern these tightly coupled socioecological sociotechnical systems. The World Fisheries Congress (WFC) convenes every four years provides unique global forum debate discuss threats, issues, opportunities facing fisheries. 2021 WFC meeting, hosted remotely Adelaide, Australia, marked 30th year since first meeting was held Athens, Greece, provided an opportunity reflect on progress made past 30 provide guidance for future. We assembled team individuals involved with Adelaide reflected major challenges faced over years, discussed toward overcoming those challenges, then used themes emerged during identify issues improve sustainability world's next years. Key future needs identified include: rethinking management systems modelling approaches, modernizing integrating assessment information systems, being responsive flexible addressing persistent emerging threats fisheries, mainstreaming human dimension governance, policy compliance, achieving equity inclusion also number cross-cutting including better understanding role as nutrition hungry world, adapting climate change, embracing transdisciplinarity, respecting Indigenous knowledge thinking ahead foresight science, working together across scales. By reflecting about future, we aim our mutual sustaining sustainable benefit all. hope prospective can serve guide (i) assess towards lofty (ii) refine path input new voices approaches stewardship.

Language: Английский

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Spatial awareness: Good practices and pragmatic recommendations for developing spatially structured stock assessments

Fisheries Research, Journal Year: 2023, Volume and Issue: 264, P. 106703 - 106703

Published: April 7, 2023

Language: Английский

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Oceans of plenty? Challenges, advancements, and future directions for the provision of evidence-based fisheries management advice

Reviews in Fish Biology and Fisheries, Journal Year: 2022, Volume and Issue: 33(2), P. 375 - 410

Published: Sept. 15, 2022

Language: Английский

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Projecting climate change impacts from physics to fisheries: A view from three California Current fisheries

Progress In Oceanography, Journal Year: 2023, Volume and Issue: 211, P. 102973 - 102973

Published: Jan. 20, 2023

Motivated by a need for climate-informed living marine resource management, increased emphasis has been placed on regional end-to-end modeling frameworks designed to project climate impacts ecosystems and evaluate the efficacy of potential management strategies under changing conditions. The 'Future Seas' was initiated with focus three fisheries (Pacific sardine, swordfish, albacore tuna) in California Current System (CCS). This work leverages suite climate, ocean, ecosystem, economic models physical, ecological, socio-economic change, strategies, quantify uncertainty model projections. Here we describe components framework, considerations underlying choices made development, engagement stakeholders, key results date, including projections 2100. Our broad aims are (i) synthesize large body research that conducted, continues, Future Seas umbrella, (ii) provide insight recommendations those pursuing similar efforts other applications regions. In general, our indicate all species will likely shift their distributions (predominantly poleward) future, which accessibility fishing fleets, spatial quota allocation. For integrative climate-to-fisheries projections, recommend attention is given to: recognizing biases arising from differences between products used ecological fitting projection; how sources projection prioritized, incorporated, communicated; quantitatively linking scenarios – especially

Language: Английский

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