Diversity of fishing strategies and high spatial adaptivity in the Alaskan snow crab fishery

ICES Journal of Marine Science, Journal Year: 2024, Volume and Issue: 81(5), P. 929 - 943

Published: April 19, 2024

Abstract Fishing behavior is an important link between management decisions and bioeconomic outcomes. The diversity in fishers’ behavior, motivations, abilities should inform incentive structures if aims to consider heterogeneous impacts on by communities. Modeling human resource for successful fisheries, especially fisheries undergoing rapid transformation, such as the Alaskan snow crab fishery. This study modeled how crabbers choose where fish eastern Bering Sea examined of strategies among individuals fitting a random utility model data fishing locations using variety potential drivers covariates. overall strategy fleet prioritizes revenue shared information, while avoiding risk, poor weather, cost. Diversity was driven differences spatial footprint, vessel size, ports landing. Larger vessels ventured farther north, weather conditions are more extreme. Despite were spatially adaptive switched regions depending abundance distribution crab. These findings patterns can better fishery it undergoes rebuilding.

Language: Английский

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From situated knowledges to situated modelling: a relational framework for simulation modelling

Ecosystems and People, Journal Year: 2024, Volume and Issue: 20(1)

Published: July 3, 2024

In this paper we extend the use of a relational approach to simulation modelling, widely used knowledge practice in sustainability science. Among modellers, there is awareness that model results can only be interpreted view assumptions inform construction and analysis, but less systematic questioning those assumptions. Moreover, current methodological discussions tend focus on integrating social ecological dynamics or diverse knowledges data within model. Yet choices regarding types structure, handling, interpretation validation are not purely epistemic. They entangled with values, contexts production use, power relations, pragmatic considerations. Situated Modelling extends understanding world scientific modelling itself order enable interrogation these research social-ecological transformations relationally. To make tangible situatedness build existing practices describe three distinct approaches. We then suggest four guiding principles for Modelling: 1. attending apparatus socially materially embedded produced by e.g. infrastructures, ways thinking; 2. considering how agency distributed between model, world, data, modeller construction; 3. creating heterogenous collectives which together occupy formerly individualised subject position; 4. using agonism as an epistemic virtue retain work significant differentiations throughout process.

Language: Английский

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Formalising theories of human decision-making for agent-based modelling of social-ecological systems: practical lessons learned and ways forward

Socio-Environmental Systems Modeling, Journal Year: 2020, Volume and Issue: 2, P. 16340 - 16340

Published: Dec. 8, 2020

Incorporating representations of human decision-making that are based on social science theories into social-ecological models is considered increasingly important – yet choosing and formalising a theory for particular modelling context remains challenging. Here, we reflect our experiences selecting, documenting psychological economic inclusion in different agent-based (ABMs) natural resource use. We discuss the challenges related to four critical tasks: How select theory? formalise how translate it code? document formalisation? In this way, present systematic overview choices researchers face when including their ABMs, made own projects provide guidance those new field. Also, highlight further regarding parameterisation analysis such ABMs suggest tackle these contributes an effective collaboration interdisciplinary teams addressing socio-ecological dynamics using models.

Language: Английский

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Seal interactions and exits from fisheries: insights from the Baltic Sea cod fishery

ICES Journal of Marine Science, Journal Year: 2021, Volume and Issue: 78(8), P. 2958 - 2966

Published: Aug. 19, 2021

Abstract The number of seals in the Baltic Sea has increased dramatically recent years. While growing seal populations are associated with a thriving marine environment, interact coastal fisheries causing significant damages to catches and gears. One fishery that is severely affected cod where negative impact believed by many threaten existence fishery. This article empirically investigates what extent can explain declining fishing vessels active analysis makes use detailed logbook data statistical survival models estimate effect interactions gears on exit probability Swedish results show an important factor explaining exits, suggesting total losses caused go beyond observed costs broken damaged catches.

Language: Английский

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Positive Social-Ecological Feedbacks in Community-Based Conservation

Frontiers in Marine Science, Journal Year: 2021, Volume and Issue: 8

Published: May 26, 2021

Marine area-based conservation measures including no-take zones (areas with no fishing allowed) are often designed through lengthy processes that aim to optimize for ecological and social objectives. Their (semi) permanence generates high stakes in what seems like a one-shot game. In this paper, we theoretically empirically explore model of short-term prioritizes adaptive co-management: temporary areas closed fishing, by the fishers they affect, approved government, adapted every 5 years. model, learning trust-building between government fisheries scientists. We use integrated social-ecological theory case study network such closures (“fishing refugia”) northwest Mexico hypothesize feedback loop trust, design, outcomes. argue that, management, outcomes can be mutually reinforcing as long initial designs ecologically “good enough” supported context. This type management also has potential adapt climate change other changes. predicts dangerous possibility low trust among stakeholders may lead poor lack benefits, eroding confidence tool’s capacity, shrinking size, even lower likelihood benefits. our case, however, did not occur, despite design some areas, likely due buffering effects alternative discuss both danger tool co-management commoning.

Language: Английский

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