11. Modernistična arhitektura kot del sodobne identitete mest : Plečnik in Ravnikar v Ljubljani ter Grabrijan in Neidhardt v SarajevuNermina Zagora, Sabina Mujkić, Lejla Kahrović-Handžić, Edib Pašić, 2025, original scientific article Abstract: V članku je proučen vpliv modernistične arhitekture na oblikovanje identitete dveh mest nekdanje Jugoslavije, Ljubljane in Sarajeva. Primerjani so prispevki ključnih arhitektov k oblikovanju urbanih tkiv in identitet obeh mest v 20. stoletju, pri čemer sta upoštevana njuna skupna socialistična preteklost in njun različni družbenokulturni razvoj po koncu devetdesetih let 20. stoletja. Modernistična dediščina analiziranih mest je obravnavana z vidika trajnostnosti, odpornosti in spreminjajočega se pojmovanja kulturne identitete. Poseben poudarek je na delih Jožeta Plečnika in Edvarda Ravnikarja v Ljubljani ter Dušana Grabrijana in Juraja Neidhardta v Sarajevu.
Keywords: identiteta mesta, kontekst, dediščina, zapuščina, urbanizem po meri človeka, Jože Plečnik, Edvard Ravnikar, Dušan Grabrijan, Juraj Neidhardt
Published in DiRROS: 19.12.2025; Views: 5; Downloads: 4
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12. Are caves enough to represent karst groundwater biodiversity? Insights from geospatial analyses applied to European obligate groundwater-dwelling copepodsEmma Galmarini, Mattia Di Cicco, Barbara Fiasca, Nataša Mori, Mattia Iannella, Tiziana Di Lorenzo, Francesco Cerasoli, Diana Maria Paola Galassi, 2025, original scientific article Abstract: Caves are recognized as biodiversity hotspots for groundwater fauna, including obligate groundwater-dwelling copepods (Crustacea: Copepoda), exhibiting high species richness, endemism, and phylogenetic rarity. However, the extent to which caves alone provide a representative estimate of copepod species richness in karst areas remains uncertain. Taking advantage of the recently published EGCop dataset, the first expert-validated, Europe-wide occurrence dataset for obligate groundwater-dwelling copepods (hereinafter, GW copepods), this study investigates the distribution of GW copepods into karst areas, comparing species richness in caves versus other karst groundwater habitats (e.g., springs, karst streams, artificial wells), within and among the European karst units. The main aims are: (i) identifying karst areas which represent hotpots of GW copepod species richness; (ii) assessing to which extent caves, as open windows to the subterranean environments, contribute to define hotspots of GW copepods’ species richness into karst areas across Europe. EGCop comprises 6,986 records from 588 copepod species/subspecies distributed among four orders: Cyclopoida (3,664 records, 184 species), Harpacticoida (3,288 records, 395 species), Calanoida (32 records, seven species), and Gelyelloida (two records, two species). To perform geospatial analyses, we filtered the dataset by: (i) selecting only the records with spatial uncertainty in the associated coordinates lower than 10 km; (ii) searching for those records falling within, or very close to, the polygons representing European karst areas. Species richness hotspots were then estimated through geospatial analyses in geographic information system (GIS) environment. Within the selected records, those specifically referring to karst habitats (2,526 records, 369 species) are primarily represented by Harpacticoida (1,199 records, 228 species) and Cyclopoida (1,293 records, 132 species). Among species collected from karst habitats, records from caves (1,867, 73.9%) belong to 318 species (Harpacticoida = 189, Cyclopoida = 122, Calanoida = 7), representing 86.1% of the total species richness of karst habitats. Geospatial analyses reveal that the European hotspots of GW copepods’ species richness recorded exclusively in caves reflect the spatial arrangement of postglacial refugia in southern karst regions, though representing a subset of the broader diversity found across all karst groundwater habitats. Our findings highlight that the contribution of cave systems in groundwater biodiversity assessments and related conservation planning may vary depending on the evolution and morphologies of the target karst regions—often pointing to a high representativeness of caves for subterranean biodiversity, sometimes revealing their lower explanatory power within the broader karst systems.
Keywords: copepoda, groundwater, biodiversity, datasets, caves, karst, Europe
Published in DiRROS: 19.12.2025; Views: 6; Downloads: 7
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14. Tuning the rheological properties of paraffin-wax ceramic feedstocks for deposition with thermoplastic 3D printingIpeknaz Özden, Milan Vukšić, Matevž Dular, Aljaž Iveković, Andraž Kocjan, 2024, original scientific article Abstract: Droplet deposition with material-jetting methods such as thermoplastic 3D printing (T3DP) depends greatly on the rheological properties of the feedstocks. This study investigated the effect of particle interactions and the degree of weak flocculation on the shear thinning behaviour, the yield stress and the storage/loss moduli of paraffin-wax-based feedstocks containing 40 vol% of zirconia (3Y-TZP) micron-sized powder. Steric stabilization of the feedstocks was provided by varying the ratios of the surfactants with different chain lengths, i.e., stearic acid (2.4 nm) and Solsperse 3000® (10 nm), which in turn affected the dynamics of the droplet formation and the quality of the layers when jetting non-Newtonian, thermoplastic ceramic feedstocks. The results of the study extend the guidelines for the processing of printable feedstocks used in T3DP additive manufacturing.
Keywords: additive manufacturing, material jetting, colloidal processing
Published in DiRROS: 19.12.2025; Views: 7; Downloads: 5
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15. ▫$TiO_2$▫-based heterostructure containing ▫$g-C_3N_4$▫ for an effective photocatalytic treatment of a textile dyeMartina Kocijan, Milan Vukšić, Mario Kurtjak, Lidija Ćurković, Damjan Vengust, Matejka Podlogar, 2022, original scientific article Abstract: Water pollution has become a serious environmental issue. The textile industries using textile dyes are considered to be one of the most polluting of all industrial sectors. The application of solar-light semiconductor catalysts in wastewater treatment, among which TiO2 can be considered a prospective candidate, is limited by rapid recombination of photogenerated charge carriers. To address these limitations, TiO2 was tailored with graphitic carbon nitride (g-C3N4) to develop a heterostructure of g-C3N4@TiO2. Herein, a simple hydrothermal synthesis of TiO2@g-C3N4 is presented, using titanium isopropoxide (TTIP) and urea as precursors. The morphological and optical properties and the structure of g-C3N4, TiO2, and the prepared heterostructure TiO2@g-C3N4 (with different wt.% up to 32%), were analyzed by various laboratory methods. The photocatalytic activity was studied through the degradation of methylene blue (MB) aqueous solution under UV-A and simulated solar irradiation. The results showed that the amount of g-C3N4 and the irradiation source are the most important influences on the efficiency of MB removal by g-C3N4@TiO2. Photocatalytic degradation of MB was also examined in realistic conditions, such as natural sunlight and different aqueous environments. The synthesized g-C3N4@TiO2 nanocomposite showed superior photocatalytic properties in comparison with pure TiO2 and g-C3N4, and is thus a promising new photocatalyst for real-life implementation. The degradation mechanism was investigated using scavengers for electrons, photogenerated holes, and hydroxyl radicals to find the responsible species for MB degradation.
Keywords: UV-A, simulated solar light, natural sunlight, water matrices, scavengers
Published in DiRROS: 19.12.2025; Views: 8; Downloads: 5
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17. Mestni odprti prostori kot rekreacijska območja in zatočišča v primeru izrednih razmer : spoznanja po potresu v MalatyiSahar Pouya Sönmez, Gamze Öner, Sima Pouya, 2025, original scientific article Abstract: Med potresom v Turčiji leta 2023 so bili javni odprti prostori pomembna zbirna območja, po potresu pa se niso mogli več ustrezno uporabljati za rekreacijo in niti niso mogli več zadovoljevati drugih vsakdanjih potreb prebivalcev. Avtorice so v članku proučile učinkovitost šestih javnih odprtih prostorov v Malatyi in njihove spremembe po potresu ter predlagale strategije za vključitev trajnostnih načel v načrte potresne varnosti. Pri tem so uporabile metodo naknadne ocene uporabe prostora, ki je vključevala terenske analize, polstrukturirane intervjuje s šestdesetimi občinskimi strokovnjaki in anketo, v kateri je sodelovalo 240 uporabnikov proučevanih prostorov. Izsledki so pokazali, da so med potresom za javne odprte prostore nastale težave, kot so neustrezna infrastruktura, pomanjkanje prostora za postavljanje šotorov in težave, povezane z varnostjo in vzdrževanjem površin. Po potresu se večina teh ne uporablja več za rekreacijo. Nekateri so se spremenili v trgovska območja, drugi so dobili nove uporabnike, pogosto so se pojavile še druge spremembe v rabi prostora. Glavna ugotovitev raziskave je, da potresna odpornost javnih odprtih prostorov ni odvisna samo od njihove velikosti, dostopnosti in lokacije, ampak tudi od možnosti izvajanja hitrih vzdrževalnih posegov na teh površinah in večnamenskosti, ki zagotavljata, da se na teh prostorih ohrani življenje in da delujejo tudi po naravni nesreči. Med ključnimi načrtovalskimi priporočili so vključitev ukrepov za okrepitev pripravljenosti na nesreče v mestno načrtovanje in omogočanje učinkovite obnove po nesrečah.
Keywords: avtobusna postaja, večkriterijska analiza, izbor lokacije, MOOSRA, ARAS, VIKOR
Published in DiRROS: 19.12.2025; Views: 8; Downloads: 7
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18. Celostna analiza družbene trajnosti v Severnokazahstanski oblasti v KazahstanuGaukhar Aidarkhanova, Gaukhar Aubakirova, Laura Kenespayeva, Damira Tazhiyeva, Gaukhar Kairanbayeva, Farabi Yermekov, 2025, original scientific article Abstract: Zaradi čedalje večjih prostorskih razlik se v Kazahstanu veča potreba po sistematični analizi družbene trajnosti na subregionalni ravni. V članku je na podlagi 15 kazalnikov, razvrščenih v pet ključnih komponent (demografija, zdravstvo, izobraževanje, kakovost življenja in družbena vključenost), oblikovan in preizkušen sestavljeni indeks družbene trajnosti. Uporabljena metodologija vključuje normalizacijo podatkov, združevanje kazalnikov in prostorsko analizo z orodji GIS. Analiza je pokazala stabilno, a izrazito nesimetrično prostorsko zgradbo družbene trajnosti: za regionalno središče Petropavl so bile ugotovljene razmeroma visoke vrednosti večine komponent, za večino podeželskih območij pa so značilni odseljevanje, socialna ranljivost ter slab dostop do osnovnih storitev in infrastrukture. Analiza občutljivosti je potrdila uporabnost predstavljenega modela v primerih nepopolnega statističnega poročanja. Na podlagi izsledkov so avtorji oblikovali tipologijo okrožij in predlagali usmeritve za prostorsko usmerjeno socialno politiko. Predlagana metodologija se lahko uporablja za spremljanje razlik med regijami, oceno socialnih tveganj in utemeljevanje trajnostnih razvojnih prednostnih nalog v regijah s spreminjajočo se demografsko strukturo.
Keywords: družbena trajnost, demografska struktura, prostorske razlike, Severnokazahstanska oblast, GIS, trajnostni indeks, cilji trajnostnega razvoja
Published in DiRROS: 19.12.2025; Views: 15; Downloads: 4
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