Adaptive Management of Small-Scale Fisheries in Changing Ecosystems

Small-scale fisheries operate at the intersection of social and ecological change, supplying food security, income and cultural identity to millions worldwide. In an era of rapid climate-driven shifts in species distributions, ocean chemistry and extreme events, traditional static management approaches are increasingly inadequate. Adaptive management offers a structured, iterative process that embraces uncertainty by integrating monitoring, stakeholder engagement and flexible decision rules. Through continuous learning and adjustment, fishers and managers can respond to localised changes in species availability, habitat conditions and market demands. Core strategies include diversification of target species and fishing grounds, spatial mobility and community-based governance, all underpinned by timely ecological and socioeconomic information. By linking experimental interventions to measurable outcomes, adaptive frameworks foster resilience, reduce vulnerability and sustain livelihoods in dynamic environments. Globally, from tropical coasts to high-latitude fjords, successful examples demonstrate how feedback loops between harvesters, scientists and policy-makers can pre-empt regime shifts, enhance ecological stewardship and secure the long-term viability of coastal communities.

Research from Nature Portfolio

Studies of Alaskan communities reveal that maintaining a diverse catch portfolio and the ability to shift harvesting effort among species acts as a buffer against abrupt ecosystem and market regime shifts. Analysis of decades-long catch and revenue data showed that communities exhibiting high portfolio diversity experienced stable or even increased revenues during periods of sudden change, whereas less diverse communities suffered significant losses. These findings underscore the importance of enabling turnover in species composition and preserving flexibility in access arrangements, thereby illustrating a practical pathway for strengthening resilience in other small-scale fisheries facing uncertain futures.

Adaptive Management of Small-Scale Fisheries in Changing Ecosystems publication trend

The graph below shows the total number of articles in adaptive management of small-scale fisheries in changing ecosystems across all publications each year (not limited to Nature Index journals).

Technical terms

Adaptive management: An iterative decision-making process that integrates monitoring and feedback to refine strategies in the face of uncertainty.

Portfolio diversification: The practice of targeting multiple species or fishing grounds to spread ecological and economic risk.

Socio-ecological system: A coupled human–environment framework in which social and ecological components interact and co-evolve.

Species redistribution: Shifts in the geographic ranges or local abundances of marine species in response to environmental change.

Self-governance: Community-driven management arrangements characterised by local rules, cooperative decision-making and collective enforcement.

References

1. Species redistribution creates unequal outcomes for multispecies fisheries under projected climate change. Science Advances (2023).
2. Self-governance mediates small-scale fishing strategies, vulnerability and adaptive response. Global Environmental Change (2024).
3. Fisheries portfolio diversification and turnover buffer Alaskan fishing communities from abrupt resource and market changes. Nature Communications (2017).