| Autor: |
Pastor Rollan, Ane, Ospina-Álvarez, Andrés, A. Catalán, Ignacio, Terrados, Jorge |
| Jazyk: |
angličtina |
| Rok vydání: |
2022 |
| Zdroj: |
Pastor Rollan, A, Ospina-Álvarez, A, A. Catalán, I & Terrados, J 2022, ' Strong nodes promote resilience: guiding the restoration of seagrass Posidonia oceanica in the NW Mediterranean ', Marine Ecology-Progress Series . |
| Popis: |
Posidonia oceanica is the most widespread seagrass species in the Mediterranean Sea. It is a key component of coastal seascapes across the Mediterranean marine ecosystem, where it plays fundamental ecological, physical, and economic roles. Although protection policies exist, P. oceanica meadows have been steadily declining in the recent past because of human activities and climate change. In the Balearic Islands, pressures are accentuated due to tourism and there is an urgent need to assess the connectivity of the P. oceanica patches to guide selection of source and destination areas to be protected and restored. In the present study, and for the first time, a hydrodynamic model with high spatial and temporal resolution was coupled with hourly wind predictions to an individual-based model. We aimed to resolve the surface transport and dispersal of P. oceanica fruits from semi-enclosed bays and near shore in an emblematic area in the NW Mediterranean. Floating particles simulated the dispersal of seagrass fruits during the fruit-generating season from April to June 2017-2021. We then use a graph theoretic approach to analyse the connectivity and identify key seagrass protection and restoration areas. Connectivity analysis revealed a high interannual variability in the dispersal probabilities. Important and well-connected sites could be identified in a north-east Bay, and some rare links appear in some cases between Ibiza and Mallorca. This study shows how dispersal modeling and network analysis provide useful information that could be applied in conservation planning for key foundation species like P. oceanica, especially in regional integrated conservation management. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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