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1.
Novel approach to fish classification : fractalysis and machine learning-based approach
Jothy Thampy, Mohanachandran Nair Sindhu Swapna, Sankaranarayana Iyer Sankararaman, 2024, published scientific conference contribution

Keywords: fractals, fish, machine learning
Published in RUNG: 15.04.2024; Views: 1309; Downloads: 5
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2.
Development of a simple method for the extraction of pharmaceuticals from fish
Topić Jelena, Klančar Anita, Trontelj Jurij, Roškar Robert, 2016, published scientific conference contribution abstract

Abstract: Pharmaceuticals are considered as emerging pollutants of particular concern due to their continuous release into the environment and the potential impact on aquatic organisms. The selection of the target compounds for evaluation in fish tissue was based on physico-chemical properties, bioaccumulation potential and the results of the screening of pharmaceuticals in the effluent of WWTP Sevnica in March 2015. We chose tramadol, risperidone, desipramine, carbamazepine, irbesartan, naproxen, valsartan, atorvastatin, triclosan, simvastatin and diclofenac. The method was developed on muscle tissue and is based on the tissue homogenization with stainless steel beads, followed by extraction with acetonitrile, centrifugation and sample clean-up with solid-phase extraction (SPE). The instrumental analysis was performed with LC-MS/MS. The best and the most reproducible recoveries were observed for the samples that were diluted to 25 mL with 50 mM phosphate buffer pH 7. The method was validated and the linearity range was established, which was in the range of 0.1 – 1000 ng/g, depending of the compound. The recoveries for the target pharmaceuticals were in the range of 24.0 – 108.5 %, with good reproducibility as the relative RSD values for all compounds were below 7.5 %. LOQ values for the compounds were in the 0.1 – 50 ng/g range. We applied the method to the fish tissue samples from the river Sava and from the aquaculture establishment. We chose muscle, liver, skin and kidney tissue samples. The results showed presence of tramadol and carbamazepine in some tissue, but the concentrations were below the LOQ.
Keywords: pharmaceuticals, fish, SPE, LC-MS/MS
Published in RUNG: 16.11.2016; Views: 6600; Downloads: 0
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3.
Building the shared dimension of the rural landscape: tools, principles and methods : An integrated approach to conservation and management of the rural landscape in Venice and its Lagoon
Caterina Groli, 2016, doctoral dissertation

Abstract: This research investigates the rural landscape of the lagoon of Venice and its surrounding territory focusing on the forms of exploitation of its natural resources, the transformations that occurred throughout the course of history and the consequent formation of its primary economical sector. New economic sectors, new agricultural policies and other spatial and sectorial drivers transformed the primary sector itself which changed and adapted its productive schemes to the main economic patterns, heavily affecting the former rural asset of the landscape of the lagoon by changing its demographic, economic activities and land use practices. The study carries out a systematic and detailed analysis of all economic, cultural and social features that have interacted and impacted this specific landscape, relying mainly on the comparison of historical and current land-use maps through three different historical spans: 1823-1840 (pre-industrialization phase), 1933-1966 (industrializing process, considered as a determining factor of the transformation of this landscape) and 2013 (present post-industrialized condition). The maps, combined with relative data, are compared with the aid of the Geographical Information System (GIS) computer software. As a result, a set of new maps has been obtained, which point out the historical landscape permanencies, defined through in situ surveys on the territory. A multitude of other archival documents from direct and indirect sources have been examined in order to build up a sound and detailed socio-economic context and the overall historical background. Resources, goods and services provided by the rural landscape and its development are an important part of regional and EU policy instruments and also an essential factor of identity and growth for local communities. The consumption of resources, their availability and maintenance over time and accessibility through property regulations are all factors that shape the common and public dimension of the rural landscape, which represents another study challenge of this work. This study proposes the establishment of the rural park of the lagoon of Venice, through the implementation of the multi-functional role of agriculture, for the fulfilment of two fundamental conditions of the peri-urban rurality: the need of safeguarding the landscape and its significance, by preserving the authenticity and integrity of the rural characters and the dynamism of the primary sector, which is strictly related to the survival of the rural landscape.
Keywords: Rural landscape of the lagoon of Venice, UNESCO Management Plan 2012–2018, European Landscape Convention, Common Agricultural Policy (CAP), Italian Constitution, Cultural Heritage and Landscape Code, authenticity and integrity of the rural heritage, intangible heritage, landscape evaluation, land-use cartography, Geographical Information System (GIS), fish-farming, multifunctional agriculture, new rural community, common pool resources, public goods, club goods, property rights, rural park
Published in RUNG: 04.10.2016; Views: 6190; Downloads: 222
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