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Crustaceans in eco-exposomal evaluation of groundwater connected ecosystems

Redžović, Zuzana (2023) Crustaceans in eco-exposomal evaluation of groundwater connected ecosystems. Doctoral thesis, Sveučilište u Zagrebu, Prirodoslovno-matematički fakultet.

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Abstract

The objective of this thesis was an eco-exposome analysis of physiological changes in the amphipod Synurella ambulans as a response to environmental stressors in groundwater connected ecosystems. Life history trait analysis revealed spatio-temporal variation in growth parameters and the influence of environmental parameters, especially water temperature, concentrations of dissolved oxygen and organic matter. The species accumulated metals from the environment even when metal concentrations in interstitial water and sediments did not deviate from environmental quality standards. Increased bioaccumulation factors, biomarkers of antioxidant defense and exposure to xenobiotics, lower levels of adenylate energy charge and a lower PK/PEPCK ratio in S. ambulans downstream of the wastewater outlet compared to the upstream location, indicated a negative anthropogenic influence and increased anaerobic potential. S. ambulans is a suitable bioindicator for environmental assessment in the hyporheic zone, which is important for the protection of this vulnerable ecotone that is essential for freshwater ecosystem services.

Item Type: Thesis (Doctoral thesis)
Uncontrolled Keywords: Synurella ambulans; hyporheic zone; life cycle; environmental stress; metal contamination; energy metabolism; biomarkers
Subjects: NATURAL SCIENCES
NATURAL SCIENCES > Interdisciplinary Natural Sciences
NATURAL SCIENCES > Interdisciplinary Natural Sciences > Environmental Science
Divisions: Division of Molecular Medicine
Projects:
Project titleProject leaderProject codeProject type
Qua/Qua Protein: Kvantitativna i kvalitativna analiza proteina za potrebe biomedicine i biotehnološke industrijedr. sc. Mario CindrićKK.01.1.1.07.0023ostali projekti
Akumulacija, unutarstanično mapiranje i učinci metala u tragovima u akvatičkih organizama (AQUAMAPMET)dr. sc. Marijana ErkIP-2014-09-4255Projekti Hrvatske zaklade za znanost
Depositing User: Zuzana Redžović
Date Deposited: 12 Dec 2023 08:39
URI: http://fulir.irb.hr/id/eprint/8219

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