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Iskalni niz: "ključne besede" (monitoring) .

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Memo workshop on NonIndigenous Species: progress across MSFD criteria
Chiara Magliozzi, Ana Cristina Cardoso, Gaston Alurralde, Cátia Bartilotti, Ana Fortič, Martina Orlando-Bonaca, Domen Trkov, 2026, končno poročilo o rezultatih raziskav

Povzetek: The European Commission's Joint Research Centre (JRC) hosted a workshop on marine NonIndigenous Species (NIS) within the framework of the Marine Strategy Framework Directive (MSFD). The workshop, which took place from 10 to 12 February 2026, gathered experts from Member States and representatives of marine Regional Sea Conventions to discuss progress on monitoring, measures, and targets related to NIS. Experts acknowledged that progress has been made, but that challenges still exist in calculating monitoring efforts, setting effective targets, and assessing the impact of NIS on marine biodiversity, highlighting the need for further action to protect Europe's marine ecosystems. Researchers noted that current efforts to monitor the spread of NIS in Europe's seas are insufficient to fully understand the harm they cause, and that more work is needed to develop a shared approach to study their impact on marine ecosystems. A consensus was achieved on the need to assess the effects of NIS, which is a complex task that requires more research and cooperation. To address this challenge, the JRC will continue to work with countries experts to develop new methods and strategies for monitoring and managing NIS, with the ultimate goal of protecting Europe's marine biodiversity.
Ključne besede: Marine Strategy Framework Directive, Descriptor 2, invasive species, workshop, monitoring
Objavljeno v DiRROS: 10.07.2026; Ogledov: 28; Prenosov: 0

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Influence of different intraoperative fluid management on postoperative outcome after abdominal tumours resection
Matej Jenko, Katrina Mencin, Vesna Novak-Jankovič, Alenka Spindler-Vesel, 2024, izvirni znanstveni članek

Povzetek: Background: Intraoperative fluid management is a crucial aspect of cancer surgery, including colorectal surgery and pancreatoduodenectomy. The study tests if intraoperative multimodal monitoring reduces postoperative morbidity and duration of hospitalisation in patients undergoing major abdominal surgery treated by the same anaesthetic protocols with epidural analgesia. Patients and methods: A prospective study was conducted in 2 parallel groups. High-risk surgical patients undergoing major abdominal surgery were randomly selected in the control group (CG), where standard monitoring was applied (44 patients), and the protocol group (PG), where cerebral oxygenation and extended hemodynamic monitoring were used with the protocol for intraoperative interventions (44 patients). Results: There were no differences in the median length of hospital stay, CG 9 days (interquartile range [IQR] 8 days), PG 9 (5.5), p = 0.851. There was no difference in postoperative renal of cardiac impairment. Procalcitonin was significantly higher (highest postoperative value in the first 3 days) in CG, 0.75 mcg/L (IQR 3.19 mcg/L), than in PG, 0.3 mcg/L (0.88 mcg/L), p = 0.001. PG patients received a larger volume of intraoperative fluid; median intraoperative fluid balance +1300 ml (IQR 1063 ml) than CG; +375 ml (IQR 438 ml), p < 0.001. Conclusions: There were significant differences in intraoperative fluid management and vasopressor use. The median postoperative value of procalcitonin was significantly higher in CG, suggesting differences in immune response to tissue trauma in different intraoperative fluid status, but there was no difference in postoperative morbidity or hospital stay.
Ključne besede: abdominal surgery, cerebral tissue oxygenation, hemodynamic monitoring, intraoperative monitoring
Objavljeno v DiRROS: 26.06.2026; Ogledov: 118; Prenosov: 87
.pdf Celotno besedilo (725,03 KB)
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Quantification and characterization of microplastics in seven urban wastewater treatment plants
Erica Sparaventi, Rafael Nuez, María Pilar Yeste, Miguel Ángel Cauqui, Marta Sendra, 2026, izvirni znanstveni članek

Povzetek: Microplastics (MPs) are routinely detected throughout wastewater treatment plants (WWTPs), yet current treatment trains were not designed specifically to remove them. This study quantified and characterized visually identified MPs in influent and effluent waters from seven urban WWTPs in Andalusia (southern Spain) during a six-month monitoring period (July–December 2020). The targeted analytical size range was 45–5000 µm, and a subset of particles was further characterized by FTIR. MPs were detected in all sampling campaigns. Concentrations ranged from 6 to 78 items/L in influent and from 12 to 65 items/L in effluent. Fibers were the dominant morphology, and the 100–500 µm size class was the most represented fraction. Among the subset analyzed by FTIR, PA, PP, PVC and LDPE were the most frequent polymer assignments, with PA predominating in the fiber-rich fraction. However, because influent and effluent 24 h time-composite samples were not hydraulic retention time (HRT)-paired and FTIR interpretation was based on a selected subset of particles, the dataset is best interpreted as describing spatiotemporal variability during the study period rather than robust process-specific removal efficiency. Overall, the results support WWTPs as an ongoing pathway for MP release to receiving environments.
Ključne besede: microplastics, wastewater treatment plants, six-month monitoring, FTIR, fibers, spatiotemporal variability
Objavljeno v DiRROS: 23.06.2026; Ogledov: 152; Prenosov: 106
.pdf Celotno besedilo (3,64 MB)
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A generalized empirical interpolation method for direct multi-physics state reconstruction
H. Tamim Mahmudul, Francesco A. B. Silva, Rok Krpan, Carlo Fiorina, Jean Ragusa, 2027, izvirni znanstveni članek

Povzetek: Reconstructing a coupled multi-physics state from sparse and heterogeneous measurements is central to real-time monitoring and digital twinning, yet it is challenging when only a subset of fields is observable and sensors operate over field-dependent regions. This work introduces the Multi-field Generalized Empirical Interpolation Method, which extends the Generalized Empirical Interpolation Method to product spaces by treating the full coupled state as a single element of a multi-field Hilbert space while allowing measurements to be selected across multiple fields and sensing modalities. In the offline phase, the Multi-field Generalized Empirical Interpolation Method constructs a reduced basis and a corresponding set of measurement functionals through a greedy procedure that (i) simultaneously identifies the global basis function and the field to be sensed and (ii) improves numerical robustness by applying an explicit scaling factor to each selected measurement functional. In the online phase, the method reconstructs all fields, including unmeasured ones, by solving a small interpolation system from noisy measurements. Global and field-wise stability measures (Lebesgue constants) and trace-based noise-amplification indicators are also introduced to provide an exact characterization of the expected mean-square contribution of Gaussian measurement perturbations. Numerical experiments on a two-dimensional molten salt reactor benchmark demonstrate accurate reconstruction under realistic observability constraints and quantify the trade-off between reduced-space approximation and noise sensitivity.
Ključne besede: multi-physics state reconstruction, generalized empirical interpolation method, reduced-order modeling, sensor placement, data assimilation, digital twinning, nuclear reactor monitoring
Objavljeno v DiRROS: 23.06.2026; Ogledov: 158; Prenosov: 111
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