Publications by authors named "U M Azeiteiro"

Nowadays, aquatic species face a variety of environmental risks associated with pharmaceutical consumption. More specifically, the increased number of cancer patients has been accompanied by an increased consumption of antineoplastic drugs, such as ifosfamide (IF) and cyclophosphamide (CP). These drugs have been found in aquatic ecosystems, raising concerns about their impact, especially on estuarine species, as marine waters are the final recipients of continental effluents.

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This study investigates the chronic impact of two of the most widely consumed antineoplastic drugs, Ifosfamide (IF) and Cisplatin (CDDP), on the bivalve species Mytilus galloprovincialis under current (17 °C) and predicted warming conditions (21 °C). Accompanying the expected increase in worldwide cancer incidence, antineoplastics detection in the aquatic environment is also expected to rise. Mussels were exposed to varying concentrations of IF (10, 100, 500 ng/L) and CDDP (10, 100, 1000 ng/L) for 28 days.

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Extreme climatic events like marine heatwaves (MHWs) are becoming more frequent, intense, and longer lasting all around the world. The consequences of these anomalously warm periods are devastating for marine ecosystems. Still, little is known about these extreme events off the western Iberia coast.

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Article Synopsis
  • The study analyzes how the North Atlantic Oscillation (NAO) affects regional climate, hydrology, and sea surface temperatures, specifically looking at decapod larval communities from 2003 to 2012 in Portugal's Mondego Estuary.
  • Research found that sea surface temperature changes significantly influenced the abundance and diversity of key decapod larvae like Carcinus maenas and Diogenes pugilator, especially after notable environmental shifts in 2007.
  • Although water temperature was crucial for the larval communities, the rate of Marine Heatwaves (MHW) events did not show a significant impact on these populations, raising concerns about how ongoing climate change may affect these important marine organisms.
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Mysids have a high ecological importance, particularly by their role in marine food chains as a link between the benthic and pelagic realms. Here we describe the relevant taxonomy, ecological aspects such as distribution and production, and their potential as ideal test organisms for environmental research. We also highlight their importance in estuarine communities, trophic webs, and their life history, while demonstrating their potential in addressing emergent problems.

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