English   español  
Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/221880
logo share SHARE logo core CORE   Add this article to your Mendeley library MendeleyBASE

Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL | DATACITE
Exportar a otros formatos:


MPA network design based on graph theory and emergent properties of larval dispersal

AuthorsOspina-Álvarez, Andrés ; de Juan, Silvia ; Alós, Josep ; Basterretxea, Gotzon ; Alonso-Fernández, Alexandre ; Follana-Berná, Guillermo; Palmer, Miquel ; Catalán, Ignacio Alberto
KeywordsLarval connectivity
MPA network
Larval dispersal
Larval transport
Issue DateSep-2020
PublisherInter Research
CitationMarine Ecology Progress Serie 650: 309-326 (2020)
AbstractDespite the recognised effectiveness of networks of marine protected areas (MPAs) as a biodiversity conservation instrument, MPA network design frequently disregards the importance of connectivity patterns. In the case of sedentary marine populations, connectivity stems not only from the stochastic nature of the physical environment that affects dispersal of early life stages, but also from the spawning stock attributes that affect reproductive output (e.g. passive eggs and larvae) and survivorship. Early life stages are virtually impossible to track in the ocean. Therefore, numerical ocean current simulations coupled with egg and larval Lagrangian transport models remain the most common approach for the assessment of marine larval connectivity. Inferred larval connectivity may differ depending on the type of connectivity considered; consequently, the prioritisation of sites for the conservation of marine populations might also differ. Here, we introduce a framework for evaluating and designing MPA networks based on the identification of connectivity hotspots using graph theoretic analysis. As a case study, we used a network of open-access areas and MPAs off Mallorca Island (Spain), and tested its effectiveness for the protection of the painted comber Serranus scriba. Outputs from network analysis were used to (1) identify critical areas for improving overall larval connectivity, (2) assess the impact of species’ biological parameters in network connectivity and (3) explore alternative MPA configurations to improve average network connectivity. Results demonstrate the potential of graph theory to identify non-trivial egg/larval dispersal patterns and emerging collective properties of the MPA network, which are relevant for increasing protection efficiency
DescriptionContribution to the Theme Section Latest advances in research on fish early life stages.-- 18 pages, 8 figures, 3 tables, supplementary material https://doi.org/10.3354/meps13399
Publisher version (URL)https://doi.org/10.3354/meps13399
Appears in Collections:(IMEDEA) Artículos
(IIM) Artículos
(ICM) Artículos
Files in This Item:
File Description SizeFormat 
Ospina_et_al_2020.pdf2,17 MBAdobe PDFThumbnail
Ospina_et_al_2020_suppl.pdf595,13 kBAdobe PDFThumbnail
Show full item record
Review this work

WARNING: Items in Digital.CSIC are protected by copyright, with all rights reserved, unless otherwise indicated.