MARE - Artigos em Revistas Internacionais
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- Contributions towards maritime spatial planning (MSP) in Portugal – Conference reportPublication . Ferreira, Maria Adelaide; Calado, Helena; Pereira da Silva, Carlos; Abreu, António Domingos; Andrade, Francisco; Fonseca, Catarina; Gonçalves, Emanuel J.; Guerreiro, José; Noronha, Francisco; Pereira, Margarida; Pinto Lopes, Carlos; Ribeiro, Marta Chantal; Stratoudakis, Yorgos; Vasconcelos, LiaThis contribution summarizes the main concerns presented by experts at a conference held in Lisbon in January 2015 to discuss the developing Portuguese legal framework for MSP and lists the suggestions that were correspondingly offered on how to improve the proposed framework.
- Coastal systems under change: Tuning assessment and management toolsPublication . Cabral, Henrique; Marques, João Carlos; Guilhermino, Lúcia; de Jonge, Victor; Elliott, Mike
- Collection, analysis and on-line experimentation of ocean color remote sensing data: An appraisal off the Southwestern Iberian PeninsulaPublication . D'Alimonte, Davide; Kajiyama, Tamito; Sá, Carolina; Brotas, VandaThis document concerns the collection, analysis and on-line experimentation of ocean color data off the Western Iberian Peninsula. Field measurements have been acquired during the BIOMETORE field campaign in summer 2016 to evaluate and enhance Earth observation capabilities of the Copernicus program. Deliverables of the Ocean and Land Colour Instrument on board of the Sentinel-3 satellite of the European Space Agency are of specific interest. Preliminary evaluations confirm the quality of the in situ measurements to address the match-up future analysis of radiometric values and derived data products. On-line experimentation undertaken with the Web-Enhanced Service To Ocean Color demonstrates the feasibility of enabling in a transparent way the user's access to complex functionalities such as neural network applications.
- Long term patterns in the late summer trophic niche of the invasive pumpkinseed sunfish Lepomis gibbosusPublication . Gkenas, Christos; Magalhães, M. F.; Cucherousset, J.; Domingos, Isabel; Ribeiro, FilipeQuantifying the trophic dynamics of invasive species in novel habitats is important for predicting the success of potential invaders and evaluating their ecological effects. The North American pumpkinseed sunfish Lepomis gibbosus is a successful invader in Europe, where it has caused negative ecological effects primarily through trophic interactions. Here, we quantified variations in the late summer trophic niche of pumpkinseed during establishment and integration in the mainstem of the Guadiana river, using stomach content analyses over a period of 40 years. Pumpkinseed showed a shift from trophic specialization during establishment to trophic generalism during integration. These results were concomitant with an increase in diet breadth that was accompanied by higher individual diet specialization particularly in large individuals. Irrespective of their drivers, these changes in trophic niche suggest that the potential ecological effects of pumpkinseed on recipient ecosystems can vary temporally along the invasion process.
- The ocean sampling day consortiumPublication . Kopf, Anna; Bicak, Mesude; Kottmann, Renzo; Schnetzer, Julia; Kostadinov, Ivaylo; Lehmann, Katja; Fernandez-Guerra, Antonio; Jeanthon, Christian; Rahav, Eyal; Ullrich, Matthias; Wichels, Antje; Gerdts, Gunnar; Polymenakou, Paraskevi; Kotoulas, Giorgos; Siam, Rania; Abdallah, Rehab Z; Sonnenschein, Eva C; Cariou, Thierry; O’Gara, Fergal; Jackson, Stephen; Orlic, Sandi; Steinke, Michael; Busch, Julia; Duarte, Bernardo; Caçador, Isabel; Canning-Clode, João; Bobrova, Oleksandra; Marteinsson, Viggo; Reynisson, Eyjolfur; Loureiro, Clara Magalhães; Luna, Gian Marco; Quero, Grazia Marina; Löscher, Carolin R; Kremp, Anke; DeLorenzo, Marie E; Øvreås, Lise; Tolman, Jennifer; LaRoche, Julie; Penna, Antonella; Frischer, Marc; Davis, Timothy; Katherine, Barker; Meyer, Christopher P; Ramos, Sandra; Magalhães, Catarina; Jude-Lemeilleur, Florence; Aguirre-Macedo, Ma Leopoldina; Wang, Shiao; Poulton, Nicole; Jones, Scott; Collin, Rachel; Fuhrman, Jed A; Conan, Pascal; Alonso, Cecilia; Stambler, Noga; Goodwin, Kelly; Yakimov, Michael M; Baltar, Federico; Bodrossy, Levente; Van De Kamp, Jodie; Frampton, Dion MF; Ostrowski, Martin; Van Ruth, Paul; Malthouse, Paul; Claus, Simon; Deneudt, Klaas; Mortelmans, Jonas; Pitois, Sophie; Wallom, David; Salter, Ian; Costa, Rodrigo; Schroeder, Declan C; Kandil, Mahrous M; Amaral, Valentina; Biancalana, Florencia; Santana, Rafael; Pedrotti, Maria Luiza; Yoshida, Takashi; Ogata, Hiroyuki; Ingleton, Tim; Munnik, Kate; Rodriguez-Ezpeleta, Naiara; Berteaux-Lecellier, Veronique; Wecker, Patricia; Cancio, Ibon; Vaulot, Daniel; Bienhold, Christina; Ghazal, Hassan; Chaouni, Bouchra; Essayeh, Soumya; Ettamimi, Sara; Zaid, El Houcine; Boukhatem, Noureddine; Bouali, Abderrahim; Chahboune, Rajaa; Barrijal, Said; Timinouni, Mohammed; El Otmani, Fatima; Bennani, Mohamed; Mea, Marianna; Todorova, Nadezhda; Karamfilov, Ventzislav; ten Hoopen, Petra; Cochrane, Guy; L’Haridon, Stephane; Bizsel, Kemal Can; Vezzi, Alessandro; Lauro, Federico M; Martin, Patrick; Jensen, Rachelle M; Hinks, Jamie; Gebbels, Susan; Rosselli, Riccardo; De Pascale, Fabio; Schiavon, Riccardo; dos Santos, Antonina; Villar, Emilie; Pesant, Stéphane; Cataletto, Bruno; Malfatti, Francesca; Edirisinghe, Ranjith; Silveira, Jorge A Herrera; Barbier, Michele; Turk, Valentina; Tinta, Tinkara; Fuller, Wayne J; Salihoglu, Ilkay; Serakinci, Nedime; Ergoren, Mahmut Cerkez; Bresnan, Eileen; Iriberri, Juan; Nyhus, Paul Anders Fronth; Bente, Edvardsen; Karlsen, Hans Erik; Golyshin, Peter N; Gasol, Josep M; Moncheva, Snejana; Dzhembekova, Nina; Johnson, Zackary; Sinigalliano, Christopher David; Gidley, Maribeth Louise; Zingone, Adriana; Danovaro, Roberto; Tsiamis, George; Clark, Melody S; Costa, Ana Cristina; El Bour, Monia; Martins, Ana M; Collins, R Eric; Ducluzeau, Anne-Lise; Martinez, Jonathan; Costello, Mark J; Amaral-Zettler, Linda A; Gilbert, Jack A; Davies, Neil; Field, Dawn; Glöckner, Frank OliverOcean Sampling Day was initiated by the EU-funded Micro B3 (Marine Microbial Biodiversity, Bioinformatics, Biotechnology) project to obtain a snapshot of the marine microbial biodiversity and function of the world's oceans. It is a simultaneous global mega-sequencing campaign aiming to generate the largest standardized microbial data set in a single day. This will be achievable only through the coordinated efforts of an Ocean Sampling Day Consortium, supportive partnerships and networks between sites. This commentary outlines the establishment, function and aims of the Consortium and describes our vision for a sustainable study of marine microbial communities and their embedded functional traits.
- What are jellyfish really eating to support high ecophysiological condition?Publication . Morais, Pedro; Parra, María Parra; Marques, Raquel; Cruz, Joana; Angélico, Maria Manuel; Chainho, Paula; Costa, José Lino; Barbosa, Ana B.; Teodósio, Maria AlexandraThe feeding ecology of Blackfordia virginica was evaluated concurrently with their ecophysiological condition in a temperate estuary. The diet of B. virginica is composed not only of metazooplankton, as commonly observed for other jellyfish species, but also of phytoplankton, ciliates and detritus. This feeding behavior might explain their good nutritional condition and sustainable growth during bloom peaks, when zooplankton abundance has already decreased significantly.
- Biological adhesives: from biology to biomimeticsPublication . Flammang, Patrick; Almeida dos Santos, RomanaBiological adhesives offer impressive performances and, therewith, the potential to inspire novel, more reliable, efficient and environmentally friendly adhesives for an increasing variety of applications. Adhesives found in nature do indeed perform in ways that man-made products simply cannot match. Some are reversible, others work most effectively underwater and many are universal in their performance to substrates of varying composition and structure. No wonder then that of all biological phenomena that have been investigated with a biomimetic purpose, bioadhesion has perhaps received the most interest. However, our knowledge of natural adhesive systems remains distant from the engineering of innovative adhesives for specific industrial needs. It is necessary therefore to understand the mode of action of biological adhesives and to elucidate their basic components, building principles and function-specific adaptations selected by evolution. It is this challenge that has been at the origin of the creation of a network of researchers under the auspices of COST, the European Cooperation in Science and Technology. This so-called COST Action1 ran from 2010 to 2014, and its main objective was the identification of potentially interesting biological adhesives and their functional characterization, so as to facilitate the development of synthetic counterparts with improved function. The series of papers presented in this theme issue stem from the collaborative works conducted within the framework of this COST Action.
- Mismatch between VMS data temporal resolution and fishing activity time scalesPublication . Katara, I.; Silva, AlexandraThe use of Vessel Monitoring System (VMS) data to map fishing activity is challenged by the mismatch between the temporal resolution of position records (typically 2 h) and the time scale of fishing activity in fisheries with short trips and short fishing operations such as purse seining for small pelagics. We analysed the first five years of VMS and logbook data for the Portuguese purse seine fleet, when 10 min resolution VMS data were available, to evaluate bias and errors in fishing trips and fishing sets’ identification related to the mismatch. We adapted the standardised VMS analysis workflow for EU fleets to the characteristics of the fishery and developed a framework to quantify bias for different VMS-based products, by resampling the 10 min VMS dataset at 20, 30, 60 min and 2 h intervals. For the Portuguese purse seine fishery, a 2 h time interval resulted to 42% missed fishing trips compared to the 10 min time interval data and a bias towards longer fishing trips. For trips that were correctly identified in the 2 h resampled dataset, 7% of the fishing sets were missing and fishing locations were identified with an error of approximately 2.36 km. The general spatial patterns of fishing operations – i.e. fishing grounds – were not significantly altered by the decrease of the data temporal resolution. Our framework is applicable to other fisheries and could become a useful tool for managers using VMS data.
- First record of Silurus glanis Linnaeus, 1758 in Portugal (Iberian Peninsula)Publication . Gkenas, Christos; De Matos Gago, João; Mesquita, N.; Alves, M. J.; Ribeiro, FilipeSpecies introductions worldwide are becoming more widespread and their impacts more harmful, especially regarding the introduction of predatory fish (Cox and Lima, 2006). Freshwater fish invasions are related to ecosystem consequences, namely, the decline of native species, and contribute to biotic homogenization on a global scale (McKinney and Lockwood, 1999; Vill_eger et al., 2011). The Mediterranean region freshwater ecosystems have a high number of endemic species but are under threat mainly due to non-native fishes (NNF), which currently represent more than 50% of the fish diversity (Smith and Darwall, 2006; Leprieur et al., 2008; Hermoso and Clavero, 2011). Iberian rivers are among the most invaded ecosystems within the Mediterranean region, with more than 25 NNF confirmed in Spain and 16 in Portugal (Elvira and Almod_ovar, 2001; Ribeiro et al., 2009; Ribeiro and Ver_ıssimo, 2014). It is predicted that further Iberian invasions will occur given the prevalent European invasion route (Garc_ıa-Berthou et al., 2005; Leprieur et al., 2008; Ribeiro et al., 2009). The wels catfish Silurus glanis Linnaeus, 1758 is among the largest freshwater fishes worldwide, being native to Eastern Europe and Western Asia and introduced to seven European countries (Copp et al., 2009). Silurus glanis exhibits rapid growth rates and attains a large body size (c. 500 cm total length and 306 kg), characteristics highly appreciated by anglers (Slav_ık et al., 2007; Copp et al., 2009). In recente years recreational fishermen have reported several captures of putative S. glanis; however, species identification lacks confirmation in Portugal. In the present paper, a first observation of the wels catfish S. glanis is confirmed in Portugal.
- Bacterial communities from corals cultured ex situ remain stable under different light regimes — Relevance for in toto aquaculturePublication . Pimentel, Tânia; Rocha, Rui J.M.; Rosa, Rui; Soares, Amadeu M.V.M.; Gomes, Newton C.M.; Leal, Miguel C.; Calado, RicardoMicrobial communities associated with corals are an important source of bioactive metabolites with great potential for drug discovery. However, culturing these symbiotic microbes is extremely complex and often impossible. In toto coral aquaculture performed ex situ (the culture of the holobiont–cnidarian host and associated microorganisms) has been suggested as a potential solution to solve the constraints of supplying metabolite biomass to fuel the drug discovery pipeline. In the present study we investigated if coral fragmentation and different light intensities (photosynthetically active radiation (PAR) of 50, 80 and 120 μmol quanta m− 2 s− 1) significantly affect the diversity and structure of the microbial communities present in the leather coral Sarcophyton cf. glaucum assessed through polymerase chain reaction denaturing gradient gel electrophoresis (PCR-DGGE). The diversity and structure of the bacterial communities present in mother colonies and fragments stocked under identical conditions remained stable two months post fragmentation, as well as between coral fragments stocked under different PAR intensities. The observed stability in the microbial community supports that in toto coral aquaculture may be a suitable option to produce metabolite biomass from symbiotic microorganisms. The possibility to employ a low PAR intensity to grow coral fragments without significantly affecting their microbial diversity and structure is likely to decrease aquaculture production costs and improve its economic viability.