1. Evaluating the effects of managed free-roaming cat populations on prey through stable isotope analysis : a pilot study from British Columbia, CanadaValentina Martinoia, Renee Ferguson, Peter J. Wolf, Mario Carić, Mario Novak, Shelly Roche, 2025, izvirni znanstveni članek Opis: Free-roaming domestic cats (Felis catus) present a major management challenge for animal welfare and biodiversity conservation. Trap-neuter-return (TNR) programs, which include sterilization and return of cats, are increasingly adopted to manage cat populations, often alongside routine food provisioning. However, their effectiveness in reducing cats’ reliance on wild prey remains contested. In this study, we use stable isotope analysis (δ13C, δ15N, δ34S) of cat fur to investigate dietary patterns before and after TNR implementation in the context of concurrent changes in food availability linked to the closure of nearby mink-farming operations. We analyzed samples from 122 cats in a large-scale TNR initiative on a rural property in British Columbia, Canada. These included indoor cats (control), free-roaming cats prior to TNR (Group 1), a subset of Group 1 re-sampled months after food provisioning began (Run 2), and newly sampled cats that had been fed regularly before trapping (Group 2). Local prey and food sources were also analyzed to provide a comparative isotopic baseline. Our results show clear dietary shifts following TNR. Group 1 cats exhibited high isotopic variability and elevated δ15N and δ34S values, consistent with wild prey consumption. In contrast, post-TNR cats showed significantly lower and more homogeneous values, aligning closely with those of indoor, kibble-fed cats. These changes are consistent with a reduced dietary reliance on wildlife and raw mink feed following the combination of TNR with regular provisioning and the cessation of mink operations. These findings demonstrate that regular food provisioning in TNR-managed colonies, particularly when combined with broader environmental changes, can significantly alter cat diets and potentially reduce their dependence on wild prey.
Ključne besede: trap-neuter-return (TNR) programs, stable isotope analysis, free-roaming cats, conservation
Objavljeno v RUP: 05.11.2025; Ogledov: 159; Prenosov: 4
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2. Stewardship underpins sustainable foragingIrene Teixidor-Toneu, Giulia Mattalia, Sophie Caillon, Abdullah Abdullah, Živa Fišer, Pål Karlsen, Shujaul Mulk Khan, Anneleen Kool, Gabriela Loayza, Anna Porcuna-Ferrer, Ismael Vaccaro, Christoph Schunko, 2025, izvirni znanstveni članek Opis: Foraging wild plants and mushrooms can be both beneficial and detrimental to biodiversity. We examine the role of stewardship practices, which are grounded in care, knowledge, and agency, in fostering sustainable use of wild species. These practices are pervasive among foragers across social–ecological systems yet neglected in research and policymaking.
Ključne besede: foraging, sustainability, nature conservation
Objavljeno v RUP: 12.09.2025; Ogledov: 238; Prenosov: 2
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6. Pilot study on genetic associations with age-related sarcopeniaFelicita Urzi, Boštjan Pokorny, Elena Bužan, 2021, izvirni znanstveni članek Ključne besede: sarcopenia, MTHFR, ACTN3, NRF2, genetic factors, conservation genomics, domestic pig, SNPs
Objavljeno v RUP: 18.01.2021; Ogledov: 2126; Prenosov: 42
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7. Phytosociology, ecology and conservation status of Salvia brachyodon (Lamiaceae), a narrow endemic of Eastern AdriaticDijana Kosič, Emina Zečić, Manica Balant, Peter Glasnović, Živa Fišer, Mihailo Jovićević, Ivan Radosavljević, Boštjan Surina, 2021, izvirni znanstveni članek Ključne besede: CANOCO, community ecology, conservation biology, Croatia, Dalmatia, Montenegro, Mt. Orjen, numerical analyses
Objavljeno v RUP: 18.01.2021; Ogledov: 2477; Prenosov: 14
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8. Comparing DNA metabarcoding with faecal analysis for diet determination of the Eurasian otter (Lutra lutra) in Vejlerne, DenmarkCino Pertoldi, Jakob Braüner Schmidt, Patrick Møller Thomsen, Louise Bach Nielsen, Nadieh Jonge de, Laura Iacolina, Federico Muro, Kristian Trøjelsgaard Nielsen, Sussie Pagh, Torben Linding Lauridsen, 2021, izvirni znanstveni članek Ključne besede: detectability, conservation biology, foodweb, frequency of occurrence, volume estimation, cumulative curves, taxonomic resolution
Objavljeno v RUP: 18.01.2021; Ogledov: 3217; Prenosov: 37
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9. Spatial distribution, niche ecology and conservation genetics of Degenia velebitica (Brassicaceae), a narrow endemic species of the north-western Dinaric AlpsZlatko Liber, Boštjan Surina, Toni Nikolić, Daniel Škrtić, Zlatko Šatović, 2020, izvirni znanstveni članek Ključne besede: AFLP, Degenia velebitica, Dinaric Alps, distribution, conservation genetics, population genetics, site ecology
Objavljeno v RUP: 02.10.2020; Ogledov: 2823; Prenosov: 38
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