Dora Bjedov

ORCID: 0000-0003-1059-7907
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Research Areas
  • Environmental Toxicology and Ecotoxicology
  • Mercury impact and mitigation studies
  • Heavy metals in environment
  • Avian ecology and behavior
  • Wildlife Ecology and Conservation
  • Planarian Biology and Electrostimulation
  • Insect and Pesticide Research
  • Bird parasitology and diseases
  • Microplastics and Plastic Pollution
  • Heavy Metal Exposure and Toxicity
  • Isotope Analysis in Ecology
  • Pesticide Exposure and Toxicity
  • Fish Biology and Ecology Studies
  • Human-Animal Interaction Studies
  • Trace Elements in Health
  • Polymer-Based Agricultural Enhancements
  • Plant Surface Properties and Treatments
  • Air Quality and Health Impacts
  • Animal Behavior and Reproduction
  • Species Distribution and Climate Change
  • Crop Yield and Soil Fertility
  • Invertebrate Taxonomy and Ecology
  • Recycling and Waste Management Techniques
  • Animal Behavior and Welfare Studies
  • Glutathione Transferases and Polymorphisms

University of Osijek
2020-2025

University of Lisbon
2024

Croatian Veterinary Institute
2023-2024

Abstract Background The environmental impact of pesticides has been an increasingly discussed issue over the last decades. Constant usage presents a burden for soil and causes decrease in its health, including negative effects on earthworms which are indicators quality. objective this research was assessment two insecticides herbicides earthworm Eisenia andrei . Namely, following active ingredients respective commercial preparations were investigated: esfenvalerate (Sumialfa), thiacloprid...

10.1186/s12302-021-00455-5 article EN cc-by Environmental Sciences Europe 2021-02-02

The present study applied a non-invasive method to analyse anthropogenic particles and prey items in white stork (Ciconia ciconia) pellets. Pellets (n = 20) were obtained from nests during the 2020 breeding season two sites Croatia. In total, 7869 isolated. majority of fragments, while previous studies on other birds often reported fibres. An ATR–FTIR polymer analysis detected glass construction building materials, as well several compounds associated with plastic masses. Polymer...

10.3390/toxics12040236 article EN cc-by Toxics 2024-03-23

Understanding the interplay among organophosphorus flame-retardants (OPFRs), microplastics, and freshwater organisms is crucial for unravelling dynamics within environments foreseeing potential impacts of organic pollutants plastic contamination. For that purpose, present research assessed exposure impact 10 mg L–1 flame-retardant alumin-ium diethylphosphinate (ALPI), μg mg–1liver microplastics polyurethane (PU), combina-tion ALPI PU on planarian Girardia tigrina....

10.20944/preprints202404.0885.v1 preprint EN 2024-04-15

Understanding the interplay among organophosphorus flame retardants (OPFRs), microplastics, and freshwater organisms is crucial for unravelling dynamics within environments foreseeing potential impacts of organic pollutants plastic contamination. For that purpose, present research assessed exposure impact 10 mg L−1 flame-retardant aluminium diethylphosphinate (ALPI), μg mg−1liver microplastics polyurethane (PU), combination ALPI PU on planarian Girardia tigrina. The to both revealed a...

10.3390/biology13050337 article EN cc-by Biology 2024-05-12

Abstract White stork nestlings can provide quantitative data on the quality of environment, as they are dependent their parents that locally foraged food. Blood was sampled from brachial vein ( n = 109) and sampling performed in parallel with ringing during breeding season 2020 five areas eastern Croatia: Lonjsko polje, Jelas Slavonski Brod–east, Podunavlje, Donje Podravlje. In present study, for first time Croatia, following enzymatic biomarkers were assessed white nestlings: activities...

10.1002/jez.2588 article EN Journal of Experimental Zoology Part A Ecological and Integrative Physiology 2022-02-24

White stork (Ciconia ciconia) nestlings can provide quantitative information on the quality of surrounding environment by indicating presence pollutants, as they depend locally foraged food. This study represents first comparison biomarkers in two fractions white nestling blood: plasma and S9 (the post-mitochondrial fraction). The aim this was to evaluate acetylcholinesterase (AChE), carboxylesterase (CES), glutathione S-transferase (GST), reductase (GR), well establish a novel...

10.3390/ani11082341 article EN cc-by Animals 2021-08-08

Scent rolling, a behaviour observed in various large carnivores like wolves, entails the animal lowering its chin and neck towards scent, followed by rubbing head, neck, shoulders, back into it. This is prevalent among wolves exposed to diverse scents, though exact purpose remains uncertain. In this study, captive at Osijek Zoo responded differently odours during olfactory enrichment sessions. initial year of highest level interest, evidenced both frequency responses scent-rolling behaviour,...

10.3390/biology13060422 article EN cc-by Biology 2024-06-06

Abstract Chemical pollution resulting from pesticide usage has been a continuous issue since the 1960s, despite comprehensive European Union legislation designed to safeguard human health and environment adverse effects of pesticides. While regulatory risk assessments primarily focus on active ingredients, recent research indicates ecotoxicological impacts commercial preparations non-target organisms, particularly within soil ecosystem where key species such as earthworms play vital role in...

10.1186/s12302-024-00940-7 article EN cc-by Environmental Sciences Europe 2024-06-18

The research assessed the exposure to total mercury (THg), lead (Pb), and arsenic (As) in Colombian wetland species of different trophic levels Platalea ajaja, Dendrocygna autumnalis Nannopterum brasilianus. results show high THg blood P. ajaja (811.00 ± 349.60 µg L

10.1007/s00244-024-01085-7 article EN cc-by Archives of Environmental Contamination and Toxicology 2024-08-01

This study represents the first analysis of heavy metals: lead and cadmium, as well two metalloids: arsenic selenium, in feathers Grey Herons breeding Croatia.The Heron was chosen a model apex predator wetland ecosystem due to high trophic level, feeding habits, long lifespan abundance.Sampling conducted during 2019 season April May from six colonies Croatia (Mrsunjski lug, Kopački rit, Piljenice, Kravarsko, Čepin, Slovinci), whose environment is heavily influenced by rivers Danube, Drava...

10.21857/ypn4oc1kd9 article EN Larus godišnjak Zavoda za ornitologiju Hrvatske akademije znanosti i umjetnosti 2020-01-01

The present study assessed the effect of agricultural practices on biomarker response in white stork (Ciconia ciconia) nestlings from continental Croatia. During breeding season 2022, blood was sampled (n = 54) landfill Jakuševec and areas Baranja Srijem. Different patterns regard to sampling site were detected. Results demonstrate presence inhibitory pollutants area Baranja, which is reflected lower cholinesterase (ChE) activity. Oxidative stress biomarkers show different responses...

10.3390/agriculture13051045 article EN cc-by Agriculture 2023-05-12

Zoos are our closest, independent, and continuous link to nature. Apart from providing the opportunity observe captive exotic wild animals, they also attract various species of birds. For that purpose, main goal this study was provide a list free-living bird at Osijek Zoo. During 2021, fieldwork performed monthly using point count transect, except during breeding season when counts were twice month. A total 61 recorded, belonging 31 families distributed in 15 orders. The most frequently...

10.46419/vs.54.6.2 article EN Veterinarska stanica 2023-05-31
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