IMIS | Flanders Marine Institute
 

Flanders Marine Institute

Platform for marine research

IMIS

Publications | Institutes | Persons | Datasets | Projects | Maps
[ report an error in this record ]basket (0): add | show Print this page

Integrating economic dynamics into ecological networks: The case of fishery sustainability
Glaum, P.; Cocco, V.; Valdovinos, F.S. (2020). Integrating economic dynamics into ecological networks: The case of fishery sustainability. Science Advances 6(45): eaaz4891. https://dx.doi.org/10.1126/sciadv.aaz4891
In: Science Advances. AAAS: New York. ISSN 2375-2548, more
Peer reviewed article  

Available in  Authors 

Authors  Top 
  • Glaum, P.
  • Cocco, V.
  • Valdovinos, F.S.

Abstract
    Understanding anthropogenic impacts on ecosystems requires investigating feedback processes between ecological and economic dynamics. While network ecology has advanced our understanding of large-scale communities, it has not robustly coupled economic drivers of anthropogenic impact to ecological outcomes. Leveraging allometric trophic network models, we study such integrated economic-ecological dynamics in the case of fishery sustainability. We incorporate economic drivers of fishing effort into food-web network models, evaluating the dynamics of thousands of single-species fisheries across hundreds of simulated food webs under fixed-effort and open-access management strategies. Analyzing simulation results reveals that harvesting species with high population biomass can initially support fishery persistence but threatens long-term economic and ecological sustainability by indirectly inducing extinction cascades in non-harvested species. This dynamic is exacerbated in open-access fisheries where profit-driven growth in fishing effort increases perturbation strength. Our results demonstrate how network theory provides necessary ecological context when considering the sustainability of economically dynamic fishing effort.

All data in the Integrated Marine Information System (IMIS) is subject to the VLIZ privacy policy Top | Authors