Bioaccumulation and cross-ecosystem transfer of emerging contaminants with emergence of aquatic insects

doctoral thesis

• Title (croatian): Bioakumulacija onečišćujućih tvari i njihov prijenos između ekosustava putem emergencije vodenih kukaca
• Author: Marina Veseli
• Mentor: Ana Previšić (mentor)
• Mentor: Marko Rožman (komentor)
• Committee member: Sandra Hudina (predsjednik povjerenstva)
• Committee member: Marina Vilenica (član povjerenstva)
• Granter: University of Zagreb; Faculty of Science; (Department of Biology); Zagreb
• Defense date and country: 2024-03-15, Croatia
• Scientific / art field, discipline and subdiscipline: NATURAL SCIENCES; Biology
• Universal decimal classification (UDC): 57 - Biological sciences. Physical anthropology. Biodiversity

Abstract

Daily reports of freshwater ecosystem pollution worldwide raise concerns for aquatic communities underscoring the need for more detailed research. This study conducted in northwest Croatia investigated the presence, bioaccumulation, and trophic transfer of pharmaceuticals and endocrine disruptors in aquatic and riparian ecosystems. The findings suggest that fine scale differences in biological traits between taxa play a defining role in bioaccumulation and bioamplification patterns of pharmaceuticals and endocrine disruptors in aquatic insects. Additionally, this study sheds light on the transfer of contaminants in aquatic-terrestrial food webs, showing their presence across trophic levels of the studied food web. Notably, it reveals that the trophic transfer extends beyond a 3-meter distance from the river, indicating the need for further research into waterborne contaminants reach in riparian zones. Attempts to predict bioaccumulation using pharmacokinetic descriptors yielded, although novel, also limited results, highlighting the need for more detailed examination.

Abstract (croatian)

Onečišćenje slatkovodnih ekosustava svakodnevna je pojava širom svijeta te izaziva zabrinutost za vodene zajednice. U ovom istraživanju, provedenom na nekoliko rijeka u sjeverozapadnoj Hrvatskoj, proučavana je prisutnost, bioakumulacija i trofički prijenos farmaceutika i endokrinih disruptora u vodenim i riparijskim ekosustavima. Rezultati ukazuju kako su precizne razlike u biološkim svojstvima između svojti ključne u određivanju obrazaca bioakumulacije i bioamplifikacije farmaceutika i endokrinih disruptora u vodenim kukcima Nadalje, rezultati ovog istraživanja pužaju nove uvide u prijenos farmaceutika i endokrinih disruptora u hranidbenim mrežama na granici vode i kopna, potvrđujući prisutnost ovih spojeva na svim trofičkim razinama proučavane prehrambene mreže. Ova studija otkriva da se trofički prijenos ovih spojeva proteže i izvan udaljenosti od tri metra od rijeke, no potrebna su daljnja istraživanja kako bi se precizno odredio domet trofičkog prijenosa onečišćenja u riparijskoj zoni. Pokušaji predviđanja bioakumulacije korištenjem farmakokinetičkih deskriptora dali su, iako nove, ujedno i ograničene rezultate, naglašavajući potrebu za detaljnijim istraživanjem ove teme

• Keywords: pharmaceuticals; endocrine disrupting compounds; emerging contaminants; aquatic insects; food webs
• Keywords (croatian): farmaceutici; endokrini disruptori; novi onečišćivači; vodeni kukci; hranidbena mreža
• Language: english
• URN:NBN: urn:nbn:hr:217:536539
• Promotion: 2024
• Project: Number: PZS-2019-02-9479; Title: Učinci višestrukih stresora na biološku raznolikost i funkcije slatkovodnih ekosustava; Title: Effects of multiple stressors on freshwater biodiversity and ecosystem functioning; Acronym: MUSE; Leader: Ana Previšić; Jurisdiction: Croatia; Funder: HRZZ; Funding stream: PZS
• Study programme: Title: Doctoral study; Study programme type: university; Study level: postgraduate; Academic / professional title: doktor/doktorica znanosti u području prirodnih znanosti (doktor/doktorica znanosti u području prirodnih znanosti)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Open access
• Created on: 2024-04-02 10:01:04