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Publications (29)
We have followed the recovery of gaps produced either by harvesters or by scientists in stands of stalked barnacle (Pollicipes pollicipes) during two years in four regions of Europe (SW Portugal, Galicia and Asturias in Spain and Brittany in France; n = 423 gaps), which was extended to four years in Asturias (n = 252 gaps). The presence of adult co...
Intensive and regular fishing occurs in the marine area of the natural park "Parque Natural do Sudoeste Alentejano e Costa Vicentina" (PNSACV; SW coast of continental Portugal). In 2011, this area became a marine park with different protection levels (total, partial, and complementary). We assessed in 2011 and 2012 if partial protection (PP) in Mar...
Twenty-five years ago, Margaret Barnes reviewed the genus Pollicipes published in Oceanography and Marine Biology: An Annual Review. Our review complements and updates Barnes (1996). An endemic species of Pollicipes, P. caboverdensis, from Cape Verde Islands, has since been described, joining the three previously known extant species (P. polymerus,...
No-take areas are key instruments to promote the effectiveness of Marine Protected Areas (MPAs), particularly concerning the protection of endangered species such as the dusky grouper (Epinephelus marginatus). However, despite the establishment of no-take areas and the prohibition of catching this species in a southwestern Portuguese MPA (SACVMP—‘S...
Marine Protected Areas (MPAs) have played an important role in the protection of endangered species such as the dusky grouper (Epinephelus marginatus), and the no-take areas have been particularly crucial for this purpose. Yet, despite the establishment of no-take areas and the legislation banning dusky groupers’ catches since 2011 in a southwester...
Marine 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,...
Understanding large-scale spatial and temporal patterns of marine populations is a central goal in ecology, which has received renewed attention under climate change. However, few studies explore the large-scale dynamics of populations using standardized protocols and during the same time frames. We studied the phenology and intensity of reproducti...
The natural park “Parque Natural do Sudoeste Alentejano e Costa Vicentina” (PNSACV; SW coast of continental Portugal) includes a recently implemented marine protected area of 2 km along its coast, where important, although not quantified, small-scale commercial fisheries are carried out. Conservation measures are implemented since 2011.The present...
The stalked barnacle *Pollicipes pollicipes* inhabits very exposed rocky shores from Brittany (France) to Dakar (Senegal) and it is highly prized and heavily exploited in Portugal and Spain. In Europe, several fisheries of this species can be identified with different features and governance/management approaches. None of the fisheries has independ...
The engagement of the fishers and other stakeholders in the management of the resources is considered the key ingredient for a good fishery governance.
The stalked barnacle Pollicipes pollicipes can be considered the most important economic resource on rocky shores of northern Spain and continental Portugal. This species is highly prized as food an...
Rock-pools are considered to be important habitats for early shore-life of intertidal limpets. We investigated recruitment patterns of three co-existing limpet species in the region of Sines (SW Portugal): the patellids Patella depressa and Patella ulyssiponensis, and the siphonariid Siphonaria pectinata. Juvenile limpets (shell length ≤ 10 mm for...
The PERCEBES project aspires to answer questions regarding the effects of harvesting on the intertidal community and recovery potential of stalked barnacle populations after harvesting, for which a Human Exclusion Experiment has been deployed over 2 years in 4 regions: coast of Alentejo (Portugal), Atlantic Islands (Galicia, Spain), Western Asturia...
Interactions in the Marine Benthos - edited by Stephen J. Hawkins August 2019
Managing marine resources requires information on their distribution and abundance
at relevant scales, often challenging to obtain when sampling large areas and extreme
habitats such as wave-swept rocky shores.
The stalked barnacle Pollicipes pollicipes is an important resource on the northeast
Atlantic coast forming dense aggregations in wave-expo...
Landlocked lagoons are naturally stressed environments. They are strongly influenced by freshwater input which not only varies naturally, but which is also impacted by anthropogenic activities. This study investigated the direct influence of freshwater discharges on the distribution patterns and abundance of benthic communities in two neighbouring...
In this study, we have used calcein tagging methods (Jacinto et al 2015) to mark and estimate growth rate variation of juvenile barnacles that have settled onto natural and artificial substrata deployed on the rocky intertidal of a very exposed shore (Cape of Sines, Portugal) and then relocated and left to grow on their natural habitat and on artif...
The Portuguese coast has overlapping distributions of species of both boreal and Lusitanian origins; a large number of cold- and warm-water species have their southern or northern distributional range edges here. A latitudinal gradient in ocean climate, particularly sea surface temperature (SST) and primary production, has been described along this...
The Port of Sines is an open deep-water seaport situated immediately south of the Cape of Sines, a conspicuous headland in SW continental Portugal. In general, there is less taxa richness in intertidal rocky structures inside the port when compared with natural adjacent rocky shores. Common invertebrates like mussels, stalked barnacles and limpets...
Jacinto, D., Cruz, T., Silva, T., and Castro, J. J. 2010. Stalked barnacle (Pollicipes pollicipes) harvesting in the Berlengas Nature Reserve, Portugal: temporal variation and validation of logbook data. – ICES Journal of Marine Science, 67: 19–25.
Stalked barnacle (Pollicipes pollicipes) exploitation at the Berlengas Nature Reserve, Portugal, by p...
Most of the SW Portuguese continental coast is protected by a natural park (Parque Natural do Sudoeste Alentejano e Costa Vicentina – PNSACV). A marine zone 2 km wide has been designated along the coast of this park (ca. 130 km) with oceanic sandy beaches, extensive rocky shores, and small estuaries and coastal lagoons. In this coast, intensive and...
O Laboratório de Ciências do Mar (CIEMAR), em funcionamento desde 1990 no Pólo de Sines da Universidade de Évora, desenvolve actividades de investigação científica nas seguintes áreas: ecologia costeira, biologia e conservação de recursos vivos marinhos, e poluição marinha. A maior parte destas actividades tem sido realizada na costa alentejana, no...
Chthamalus montagui and Chthamalus stellatus are abundant barnacles in western Europe. Tidal settlement of Chthamalus in SW Ireland and SW Portugal was studied in relation to a night and day factor and at different temporal (dates) and spatial (shores and sites) scales. Based on the identifiable cyprids and metamorphs, Chthamalus settlement in SW I...
Chthamalus montagui and Chthamalus stellatus are abundant barnacles in western Europe. Tidal settlement of Chthamalus in SW Ireland and SW Portugal was studied in relation to a night and day factor and at different temporal (dates) and spatial (shores and sites) scales. Based on the identifiable cyprids and metamorphs, Chthamalus settlement in SW I...
spatial variation in the recruitment of the intertidal barnacles Chthamalus montagui and Chthamalus stellatus was examined over an European scale. The study was carried out using standardised protocols at a series of locations. The five locations chosen (SW Ireland, NW Spain, SW Portugal and NW and NE Italy) span a large part of the range of these...
Two co-occurring chthamalid barnacle species occur on the rocky shores of continental Portugal: Chthamalus stellatus (Poli) and Chthamalus montagui Southward. In the present study, patterns of distribution and abundance (density and percentage cover), both vertically (tidal level) and horizontally (wave action), were studied for each species on hea...