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- Setting performance indicators for coastal marine protected areas: An expert-based methodologyPublication . Cardoso-Andrade, Mariana; Queiroga, Henrique; Rangel, M; Sousa, Inês; Belackova, Adela; Bentes, Luis; Oliveira, Frederico; Monteiro, Pedro; Sales Henriques, Nuno; Afonso, Carlos M. L.; Silva, Ana F.; Quintella, Cristina; Costa, José L.; Pais, Miguel P.; Henriques, Sofia; Batista, Marisa I.; Franco, Gustavo; Gonçalves, Emanuel J.; Henriques, Miguel; Leonardo, Teresa; Coelho, Paula; Comas-González, Robert; Fernández, Laura P.; Quiles-Pons, Carla; Costa, André; Espírito-Santo, Cristina; Castro, João J.; ARENAS, FRANCISCO; Ramos, Sandra; Ferreira, Vasco; Gonçalves, Jorge M. S.; Horta e Costa, BarbaraMarine Protected Areas (MPAs) require effective indicators to assess their performance, in compliance with the goals of relevant national and international commitments. Achieving and prioritizing shortlists of multidisciplinary indicators demands a significant effort from specialists to depict the multiple conservation and socioeconomic interests, and the large complexity of natural systems. The present paper describes a structured expert-based methodology (process and outputs) to co-define a list of multidisciplinary MPA performance indicators. This work was promoted by the management authority of coastal MPAs in mainland Portugal to gather a consensual and feasible list of indicators that would guide the design of a future national monitoring program. Hence, Portuguese coastal MPAs served as a case study to develop such a process between 2019 and 2020. In the end, participants (1) agreed on a shortlist of prioritized indicators (i.e., environmental, governance, and socioeconomic indicators) and (2) defined minimum monitoring frequencies for the indicators in this list, compatible with the potential replicability of the associated survey methods. The present approach recommends that management plans incorporate monitoring procedures and survey methods, with a validated list of indicators and associated monitoring periodicity, agreed among researchers, MPA managers and governance experts. The proposed methodology, and the lessons learned from it, can support future processes aiming to define and prioritize MPA performance indicators
- Habitat suitability of two flagship species, hippocampus hippocampus and hippocampus guttulatus, in the Atlantic coast of the Iberian Peninsula - implications for conservationPublication . Peiffer, Friederike; Lima, André R.A.; Henriques, Sofia; Pardal, Miguel; Martinho, Filipe; Gonçalves, Jorge M.S.; Gonçalves, Emanuel J.; Correia, Miguel; Silva, Gonçalo Jorge FrancoAnthropogenic pressures on marine ecosystems are increasing worldwide, causing loss of biodiversity and ecosystem functioning, and driving species towards risk of extinction. To protect vulnerable species and habitats, Marine Protected Areas (MPAs) are increasingly established worldwide as conservation measures. Seahorses act as flagship species for coastal ecosystem conservation due to their charismatic appearance and high vulnerability to habitat degradation. Here, the habitat suitability of the two European seahorse species, Hippocampus hippocampus and Hippocampus guttulatus, was assessed along the western Iberian Peninsula, using an ensemble species distribution modelling approach. Furthermore, the coverage of their core habitat (relative habitat suitability (HS) ≥ 0.5) with MPAs was estimated. The results show that the main drivers for habitat suitability were distance to the coast, aspect of the seafloor, tidal amplitude, and temperature. However, the importance differed between the two species. The suitable habitat of H. hippocampus extended to higher distances to the coast, while H. guttulatus were mostly restricted to areas in the vicinity of the coast and facing away from the open sea (i.e., the westerly aspect of the seafloor). Furthermore, temperature contributes more to the variation in habitat suitability in H. hippocampus than in H. guttulatus. The areas with the highest habitat suitability are estuarine or inlet waters and sheltered coasts in northwestern Spain, central and south of Portugal. Both species’ core habitats are covered by about 19–20 % with implemented protected areas in Portugal. In comparison, there is less coverage for both species in Spain, with 12 % for H. guttulatus and 6 % for H. hippocampus. Besides, zones of full protection cover less than 0.5 % of