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Modelling the Mediterranean Sea ecosystem at high spatial resolution to inform the ecosystem-based management in the region
Piroddi, C.; Coll, M.; Macías, D.; Steenbeek, J.; Garcia-Gorriz, E.; Mannini, A.; Vilas, D.; Christensen, V. (2022). Modelling the Mediterranean Sea ecosystem at high spatial resolution to inform the ecosystem-based management in the region. NPG Scientific Reports 12(1): 19680. https://dx.doi.org/10.1038/s41598-022-18017-x
In: Scientific Reports (Nature Publishing Group). Nature Publishing Group: London. ISSN 2045-2322; e-ISSN 2045-2322
|   |
| Auteurs | | Top |
- Piroddi, C.
- Coll, M.
- Macías, D.
- Steenbeek, J.
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- Garcia-Gorriz, E.
- Mannini, A.
- Vilas, D.
- Christensen, V.
|
|
| Abstract |
Cumulative pressures are rapidly expanding in the Mediterranean Sea with consequences for marine biodiversity and marine resources, and the services they provide. Policy makers urge for a marine ecosystem assessment of the region in space and time. This study evaluates how the whole Mediterranean food web may have responded to historical changes in the climate, environment and fisheries, through the use of an ecosystem modelling over a long time span (decades) at high spatial resolution (8 × 8 km), to inform regional and sub-regional management. Results indicate coastal and shelf areas to be the sites with highest marine biodiversity and marine resources biomass, which decrease towards the south-eastern regions. High levels of total catches and discards are predicted to be concentrated in the Western sub-basin and the Adriatic Sea. Mean spatial–temporal changes of total and commercial biomass show increases in offshore waters of the region, while biodiversity indicators show marginal changes. Total catches and discards increase greatly in offshore waters of the Western and Eastern sub-basins. Spatial patterns and temporal mean changes of marine biodiversity, community biomasses and trophic indices, assessed in this study, aim at identifying areas and food web components that show signs of deterioration with the overall goal of assisting policy makers in designing and implementing spatial management actions for the region. |
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