Graduation theses:

1. Toni Čerkez, graduate programme of Environmental Sciences at Faculty of Science, University of Zagreb, supervisors prof. dr. Gordana Medunić and dr. Željka Fiket, title: Geochemical characteristics of water and sediment of the Mrežnica River. Date of defence: 21^st April 2021.

2. Antonela Mandić, graduate programme of Environmental Sciences at Faculty of Science, University of Zagreb, supervisors dr. Dušica Ivanković and assoc. prof. dr. Jasna Lajtner, title: Accumulation and intracellular distribution of metals in the digestive glands of two freshwater bivalve species from the Mrežnica River. Date of defence: 21^st September 2021.

3. Lucija Runje, integrated undergraduate and graduate programme in veterinary medicine at Faculty of Veterinary Medicine, University of Zagreb, supervisors assist. prof. dr. Krešimir Matanović and assoc. prof. dr. Jasna Lajtner, title: Investigation of frequency of trematodes of the genus Aspidogaster in freshwater fish and molluscs. Date of defence: 29^th October 2021.

4. Ema Omrčen, graduate programme of Environmental Sciences at Faculty of Science, University of Zagreb, supervisors dr. Dušica Ivanković and assoc. prof. dr. Jasna Lajtner, title: Biomarker responses and accumulation of metals in the muscles of northern pike (Esox lucius) from the Mrežnica River as indicators of water pollution. Date of defence: 15^th July 2022.

5. Marita Cvitanović, graduate programme of Environmental Sciences at Faculty of Science, University of Zagreb, supervisors dr. Zrinka Dragun and assoc. prof. dr. Jasna Lajtner, title: Impact of environmental exposure and physiological factors on metal bioaccumulation in the liver of northern pike (Esox lucius). Date of defence: 20^th September 2022.

6. Niko Bujas, graduate programme of Ecology and Nature Protection at Faculty of Science, University of Zagreb, supervisors dr. Melita Peharda Uljević and assoc. prof. dr. Jasna Lajtner, title: Age structure and growth of bivalve Unio crassus in different environmental conditions, Date of defence: 25^th September 2023.