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Identifying and monitoring nursery habitats is crucial for shark conservation, especially for species threatened with extinction. The aim of this study was to explore inter- and intra-annual changes (between 2016 and 2025) in the abundance, size, and sex ratio of the poorly studied, endemic, and endangered Atlantic weasel shark ( Paragaleus pectoralis ) in the nursery of Sal Rei Bay (Boa Vista Island, Cabo Verde) and investiga...
The Maldives is widely recognised as a hotspot for shark and batoid diversity in the Indian Ocean, yet regional multispecies patterns of elasmobranch occurrence remain poorly characterised. This study analyses a seven-year (2017-2024) opportunistic dive-log dataset comprising 12,732 SCUBA surveys and 142,994 observation records of sharks and batoids collected across 94 dive sites in Lhaviyani Atoll, central Maldives. In total,...
Speciation is rarely observable directly. A way forward is to compare pairs of ecotypes that evolved in parallel in similar contexts but have reached different degrees of reproductive isolation. Such comparisons are possible in the marine snail Littorina saxatilis by contrasting barriers to gene flow between parallel ecotypes in Spain and Sweden. In both countries, divergent ecotypes have evolved to withstand either crab preda...
Microneedles (MN) technology has emerged as a transformative tool within the biomedical field, offering innovative solutions to challenges in drug delivery, diagnostics, and therapeutic applications. This review article provides an in-depth exploration of the diverse perspectives and applications of MNs, shedding light on their pivotal role in shaping the future of biomedical research and clinical practice. It begins by elucid...
Chromosomal inversion polymorphisms are widespread across the species ranges of rough periwinkles ( Littorina saxatilis and L. arcana )NARA Subscribed
Inversions are thought to play a key role in adaptation and speciation, suppressing recombination between diverging populations. Genes influencing adaptive traits cluster in inversions, and changes in inversion frequencies are associated with environmental differences. However, in many organisms, it is unclear if inversions are geographically and taxonomically widespread. The intertidal snail, Littorina saxatilis , is one such...
Sleep Quality of Heavy Vehicles’ Professional Drivers: An Analysis Based on Self-Perceived FeedbackNARA Subscribed
Introduction Sleep is a crucial biological need for all individuals, being reparative on a physical and mental level. Driving heavy vehicles is a task that requires constant attention and vigilance, and sleep deprivation leads to behavioral and physiological changes that can develop sleep disorders which can put lives at risk. Objectives The main objectives of this study are to describe and evaluate sleep quality, excessive da...
Establishment and molecular characterization of HCB-541, a novel and aggressive human cutaneous squamous cell carcinoma cell lineNARA Subscribed
Cutaneous squamous cell carcinoma (cSCC) is a common type of skin cancer that can result in significant morbidity, although it is usually well-managed and rarely metastasizes. However, the lack of commercially available cSCC cell lines hinders our understanding of this disease. This study aims to establish and characterize a new metastatic cSCC cell line derived from a Brazilian patient. A tumor biopsy was taken from a metasta...
Fibre ropes offer beneficial properties for mooring of floating offshore wind turbines (FOWTs). However, the mooring line’s stiffness is both load-history and load-rate dependent. A quasi-static stiffness is observed for slow loading, with a higher stiffness related to rapid, cyclic loading (dynamic stiffness). Design standards provide different guidelines for how to combine these in the mooring analysis. This paper describes...
Climate change is a growing threat to marine organisms and ecosystems, and it is already modifying ocean properties by, for example, increasing temperature and decreasing pH. Increasing water temperature may also lead to an impairment of primary productivity and an overall depletion of available zooplankton. Understanding how the crossover between warming and zooplankton availability impacts fish populations has paramount impl...
MAMMALS IN PORTUGAL : A data set of terrestrial, volant, and marine mammal occurrences in P ortugalNARA Subscribed
Mammals are threatened worldwide, with ~26% of all species being included in the IUCN threatened categories. This overall pattern is primarily associated with habitat loss or degradation, and human persecution for terrestrial mammals, and pollution, open net fishing, climate change, and prey depletion for marine mammals. Mammals play a key role in maintaining ecosystems functionality and resilience, and therefore information o...
ATLANTIC POLLINATION: a data set of flowers and interaction with nectar‐feeding vertebrates from the Atlantic ForestNARA Subscribed
Flowering plant species and their nectar‐feeding vertebrates exemplify some of the most remarkable biotic interactions in the Neotropics. In the Brazilian Atlantic Forest, several species of birds (especially hummingbirds), bats, and non‐flying mammals, as well as one lizard feed on nectar, often act as pollinators and contribute to seed output of flowering plants. We present a dataset containing information on flowering plant...
Impact of Flash Flood Events on the Coastal Waters Around Madeira Island: The “Land Mass Effect”OA Marine
The Island Mass Effect has been primarily attributed to nutrient enhancement of waters surrounding oceanic islands due to physical processes, whereas the role of land runoff has seldom been considered. Land runoff can be particularly relevant in mountainous islands, highly susceptible to torrential rainfall that rapidly leads to flash floods. Madeira Island, located in the Northeast Atlantic Ocean, is historically known for it...