Applying the Safe Operating Space (<scp>SOS</scp>) Approach to Sustainable Commercial Fishing under Varying Lake Levels and Littoral Zone Conditions

Ofir, E.; Silver, T.; Steenbeek, Jeroen; Shachar, Noam

doi:10.1002/fsh.10869

Cited by 3 publications

(2 citation statements)

References 49 publications

(70 reference statements)

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“…According to Pikitch et al (2004), the aim of EBFM is threefold: (1) to maintain ecosystem health and resilience, and fisheries sustainability; (2) to take into account all ecosystem components; and (3) to establish a network of indicators to measure ecosystem degradation. EwE can inform on ecosystem-based management (EBM; Piroddi et al, 2022) and more specifically EBFM, with many representative studies (e.g., Gueńette et al, 2006;Bourdaud et al, 2016) supporting practical implementations (Smith et al, 2007;Ofir et al, 2022). EBFM takes into consideration the complex dynamics of ecological, fisheries and human interactions in management (Long et al, 2015).…”

Section: Discussionmentioning

confidence: 99%

Ecotrophic perspective in fisheries management: a review of Ecopath with Ecosim models in European marine ecosystems

et al. 2023

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The aim of this work is to present the food web models developed using the Ecopath with Ecosim (EwE) software tool to describe structure and functioning of various European marine ecosystems (eastern, central and western Mediterranean Sea; Black Sea; Bay of Biscay, Celtic Sea and Iberian coast; Baltic Sea; North Sea; English Channel, Irish Sea and west Scottish Sea; and Norwegian and Barents Seas). A total of 195 Ecopath models based on 168 scientific publications, which report original, updated and modified versions, were reviewed. Seventy models included Ecosim temporal simulations while 28 implemented Ecospace spatiotemporal dynamics. Most of the models and publications referred to the western Mediterranean Sea followed by the English Channel, Irish Sea and west Scottish Sea sub-regions. In the Mediterranean Sea, the western region had the largest number of models and publications, followed by the central and eastern regions; similar trends were observed in previous literature reviews. Most models addressed ecosystem functioning and fisheries-related hypotheses while several investigated the impact of climate change, the presence of alien species, aquaculture, chemical pollution, infrastructure, and energy production. Model complexity (i.e., number of functional groups) increased over time. Main forcing factors considered to run spatial and temporal simulations were trophic interactions, fishery, and primary production. Average scores of ecosystem indicators derived from the Ecopath summary statistics were compared. Uncertainty was also investigated based on the use of the Ecosampler plug-in and the Monte Carlo routine; only one third of the reviewed publications incorporated uncertainty analysis. Only a limited number of the models included the use of the ECOIND plug-in which provides the user with quantitative output of ecological indicators. We assert that the EwE modelling approach is a successful tool which provides a quantitative framework to analyse the structure and dynamics of ecosystems, and to evaluate the potential impacts of different management scenarios.

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Section: Discussionmentioning

confidence: 99%

Ecotrophic perspective in fisheries management: a review of Ecopath with Ecosim models in European marine ecosystems

et al. 2023

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“…In every cell, Ecospace executes an Ecosim model whilst also incorporating cell-to-cell biomass transfer, including passive and active movement of all the relevant components in the food web based on a time-dynamic niche model and environmental changes (Christensen et al, 2014a). Within the framework of the new developments in Ecospace, it is possible to incorporate timevarying environmental conditions such as temperature and primary production (Steenbeek et al, 2013;Ofir et al, 2022). The use of this component is not limited to hindcasting, and has been widely used to predict plausible futures using data layers taken from Earth System models (Coll et al, 2016b;Serpetti et al, 2017;Corrales et al, 2018;De Mutsert et al, 2021;Steenbeek, 2021).…”

Section: Introductionmentioning

confidence: 99%

Evaluation of fisheries management policies in the alien species-rich Eastern Mediterranean under climate change

Ofir¹,

Corrales²,

Coll³

et al. 2023

Front. Mar. Sci.

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Recent decades have witnessed declines in the amount of fishing catch due to changes in the marine ecosystem of the Eastern Mediterranean Sea. These changes are mainly a consequence of direct human activities as well as global warming and the entry of invasive species. Therefore, there is a need to improve fisheries management so that it accounts for the various stressors and uses of the marine environment beyond fishing, while providing sustainable catches and maintaining a healthy ecosystem. The ability to understand, and sustainably manage, the fishing industry relies on models capable of analyzing and predicting the effects of fishing on the entire ecosystem. In this study, we apply Ecospace, the spatial-temporal component of the Ecopath with Ecosim approach, to study the Israeli continental shelf to evaluate the impact of climate change and alternative management options on the ecosystem. We examine several management alternatives under the severe assumption of the RCP8.5 climate change scenario for the region. Results indicate that under business-as-usual conditions, the biomass of the native species will decrease, the biomass of the invasive species will increase, and there will be a decrease in the fishing catch. In addition, of the management alternatives examined, the alternative of prohibition of fishing in the northern region of Israel along with the establishment of a network of marine nature reserves provides the optimal response for the ecosystem and fisheries. The Achziv Nature Reserve is projected to be successful, improving the biomass of local species and reducing, to some extent, the presence of invasive species. These results are consistent with visual surveys conducted inside and outside the reserve by the Israeli Nature and Parks Authority. Furthermore, simulation results indicate spill-over effects in areas close to nature reserves yielding higher catches in those regions.

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Using ecosystem models to inform ecosystem-based fisheries management in Europe: a review of the policy landscape and related stakeholder needs

Rodriguez-Perez,

Tsikliras,

Gal

et al. 2023

Front. Mar. Sci.

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The need to implement an ecosystem-based fisheries management (EBFM) is enshrined in numerous regulations and strategies, at both global and European level. In practice, it is challenging to implement EBFM because it requires a complex evaluation of interlinked management effects and environmental and climate forcing on multi-species interactions, habitat status and human activities. Ecosystem models are one of the most critical research tools to inform EBFM, because they can integrate a wide variety of data, examine multiple and complex ecosystem interactions, and can make forecasts based on specific management scenarios. However, despite clear progress in marine ecosystem modelling, many models do not address policy goals and targets, which hinders uptake in policy. In this paper, we review the global and European policies and implementing bodies which directly or indirectly have a repercussion on the implementation of EBFM. Moreover, we highlight specific stakeholder needs related to the implementation of EBFM in European waters, which ecosystem models could help address. We review the policy commitments that drive these needs and the concerns raised by stakeholders during a survey and dedicated workshop. Key topics of concern were effects of climate change; bycatch; protected areas/fisheries restricted areas; and reducing the impacts of trawling. Stakeholders also provided specific questions related to these topics which ecosystem models could help address. Scenario and data results visualizations, as well as specific barriers in using the results of ecosystem models for decision-making are also discussed. A close involvement of stakeholders in scenario development and in designing graphical outputs is important, and can help overcome some of the main barriers that can hinder uptake of models and scenarios, including a lack of understanding of the benefits and limits of ecosystem models; insufficient involvement and interaction with stakeholders; and inadequate characterization of uncertainties.

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Applying the Safe Operating Space (SOS) Approach to Sustainable Commercial Fishing under Varying Lake Levels and Littoral Zone Conditions

Cited by 3 publications

References 49 publications

Ecotrophic perspective in fisheries management: a review of Ecopath with Ecosim models in European marine ecosystems

Ecotrophic perspective in fisheries management: a review of Ecopath with Ecosim models in European marine ecosystems

Evaluation of fisheries management policies in the alien species-rich Eastern Mediterranean under climate change

Using ecosystem models to inform ecosystem-based fisheries management in Europe: a review of the policy landscape and related stakeholder needs

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