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Iskalni niz: "ključne besede" (farming) .

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1.
The need for innovations to secure the future of artisanal mussel farming in the coastal sea of the Gulf of Trieste (Slovenia)
Andreja Ramšak, Tine Bizjak, Uroš Robič, Manca Kovač Viršek, 2024, izvirni znanstveni članek

Povzetek: Mariculture along the Slovene coastline is mainly mussel culture operated as a family business; in one case, it is combined with sea bass farming. It started in the early 70 s with cultivation of Mediterranean mussels, while today, the two largest producers incorporate the cultivation of Venus clams and oysters as species with higher economic value on the market. Currently, all mussels and clams produced in Slovenia are sold in the Slovenian, Italian, Croatian and French markets. The production of Mediterranean mussels (Mytilus galloprovincialis) has increased steadily, with the main obstacles being a limited area for cultivation, occasional harmful algal blooms, predation by gilthead seabream and flatworms. In addition, more recent summer heatwaves negatively affected mussel production when seawater reached high temperatures at the thermal limits unsuitable for mussel growth. This study aimed to collect first-hand information about the current mussel production technology, processes and needs to identify opportunities for innovations that could benefit the entire sector (increased knowledge, production yield, reduced workload and effort with administrative issues). The study was based on a semi-structured questionnaire with the owners of mussel farms. Analysis of the questionnaire was supplemented with current knowledge from the field and provided comprehensive insight into a small sector of mussel farming along the Slovenian coast and its possible development in the future.
Ključne besede: mussel farming, Mediterranean mussel, aquaculture, socio-economic impact, Gulf of Trieste, Slovenia
Objavljeno v DiRROS: 03.06.2024; Ogledov: 78; Prenosov: 50
.pdf Celotno besedilo (2,03 MB)
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2.
Elemental associations in stream and alluvial sediments of the Savinja and Voglajna Rivers (Slovenia, EU) as a result of natural processes and anthropogenic activities
Gorazd Žibret, 2022, izvirni znanstveni članek

Povzetek: Stream and alluvial sediments of the Savinja and Voglajna rivers were sampled, and sediment fractions <0.063 and 0.063–0.125 mm were analyzed on the content of 60 of the main and trace elements. The objective was to determine elemental associations and identify possible sources of these associations. Differences of Al/Ti oxides ratio (9.7–26) can be attributed to the variations in the source rocks, while the K/Al oxides ratio indicates erosional or depositional river regime and variation in source rocks. One anthropogenic and three natural associations of elements were identified. The anthropogenic association (Ag, In, Sb, Cu, As, Zn, Pb, Cd, Bi, Mo and Sn) is linked to historic Zn smelting in the Celje area, and the subsequent erosion of the material from inadequately managed pyrometallurgical waste deposit. The second association (Li, Sc, Al, V, Cs and Ga) is linked to clay minerals, the third one (Mg, Ca and Te) to carbonate rocks, and the fourth one (Hf, Zr) to the heavy mineral fraction.
Ključne besede: heavy metals, smelting, weathering, erosion, deposition, farming, waste
Objavljeno v DiRROS: 06.07.2022; Ogledov: 625; Prenosov: 424
.pdf Celotno besedilo (5,57 MB)
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