Blar i NTNU Open på forfatter "Covaci, Adrian"
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Anti-parasite treatment and blood biochemistry in raptor nestlings
Hanssen, Sveinn Are; Sonne, Christian; Bustnes, Jan Ove; Schnug, Lisbeth; Bourgeon, Sophie; Ballesteros, Manuel; Eulaers, Igor; Moum, Truls Borg; Johnsen, Trond Vidar; Kjelgaard-Hansen, Mads; Herzke, Dorte; Jaspers, Veerle; Covaci, Adrian; Eens, Marcel; Halley, Duncan John; Erikstad, Kjell Einar; Ims, Rolf Anker (Journal article; Peer reviewed, 2017)We investigated the effects of parasite removal on various blood clinical–chemical variables (BCCVs). BCCVs are indicators of health, reflecting, e.g., homeostasis of liver, kidney function, and bone metabolism. The study ... -
Antiparasite treatments reduce humoral immunity and impact oxidative status in raptor nestlings
Hanssen, Sveinn Are; Bustnes, Jan Ove; Schnug, Lisbeth; Bourgeon, Sophie; Johnsen, Trond Vidar; Ballesteros, Manuel; Sonne, Christian; Herzke, Dorte; Eulaers, Igor; Jaspers, Veerle; Covaci, Adrian; Eens, Marcel; Halley, Duncan John; Moum, Truls Borg; Ims, Rolf Anker; Erikstad, Kjell E (Journal article; Peer reviewed, 2013)Parasites are natural stressors that may have multiple negative effects on their host as they usurp energy and nutrients and may lead to costly immune responses that may cause oxidative stress. At early stages, animals ... -
Bird feathers as a biomonitor for environmental pollutants: Prospects and pitfalls
Jaspers, Veerle; Covaci, Adrian; Herzke, Dorte; Eulaers, Igor; Eens, Marcel (Journal article; Peer reviewed, 2019)Due to increasing amounts of hazardous chemicals released into the environment, there is a high demand for developing easy and non-destructive biomonitoring tools. In a recent paper published in Trends in Analytical ... -
Can starling eggs be useful as a biomonitoring tool to study organohalogenated contaminants on a worldwide scale?
Eens, Marcel; Jaspers, Veerle; Van den Steen, E; Bateson, M; Carere, C; Clergeau, P; Costantini, D; Dolenec, Z; Elliott, JE; Flux, J; Gwinner, H; Halbrook, R. S.; Heeb, Philipp; Mazgajski, Tomasz D.; Moksnes, Arne; Polo, V; Soler, JJ; Sinclair, R; Veiga, JP; Williams, Tony D.; Covaci, Adrian; Pinxten, Rianne (Peer reviewed; Journal article, 2013)Large-scale international monitoring studies are important to assess emission patterns and environmental distributions of organohalogenated contaminants (OHCs) on a worldwide scale. In this study, the presence of OHCs was ... -
Distribution and bioaccumulation of POPs and mercury in the Ga-Selati River (South Africa) and the rivers Gudbrandsdalslågen and Rena (Norway)
Govaerts, Alison; Vera, Verhaert; Covaci, Adrian; Jaspers, Veerle; Berg, Ole Kristian; Addo-Bediako, Abraham; Jooste, Antoinette; Bervoets, Lieven (Journal article; Peer reviewed, 2018)Biomagnification of Hg and persistent organic pollutants (POPs: polychlorinated biphenyls (PCBs), organochlorine pesticides (OCPs), polybrominated diphenyl ethers (PBDEs)) in aquatic food chains can lead to high pollutant ... -
Feathers as an integrated measure of organohalogen contamination, its dietary sources and corticosterone in nestlings of a terrestrial bird of prey, the northern Goshawk (Accipiter gentilis)
Randulff, Sina Thu; Abbasi, Naeem A.; Eulaers, Igor; Nygård, Torgeir; Covaci, Adrian; Eens, Marcel; Malarvannan, Govindan; Lepoint, Gilles; Løseth, Mari Engvig; Jaspers, Veerle (Peer reviewed; Journal article, 2022)In this study, we evaluated the suitability of body feathers, preen oil and plasma for estimation of organohalogen compound (OHC) exposure in northern goshawk Accipiter gentilis nestlings (n = 37; 14 nests). In addition, ... -
First evaluation of the use of down feathers for monitoring persistent organic pollutants and organophosphate ester flame retardants: A pilot study using nestlings of the endangered cinereous vulture (Aegypius monachus)
Monclús, Laura; Lopez-Bejar, Manuel; de la Puente, Javier; Covaci, Adrian; Jaspers, Veerle (Journal article; Peer reviewed, 2018)Raptor feathers have been increasingly used to assess pollutants in ecotoxicological monitoring studies. However, the suitability of down feathers to detect pollutants has not yet been investigated. In this study, ... -
High levels of corticosterone are related to persistent organic pollutants, but not to organophosphate ester flame retardats, in feathers of nestling cinereous vultures (Aegypius monachus)
Monclus, Laura; Lopez-Bejar, Manuel; de la Puente, Javier; Covaci, Adrian; Jaspers, Veerle (Journal article; Peer reviewed, 2019)Persistent organic pollutants (POPs) are still globally distributed and some have been shown to interact with the endocrine system of birds. However, the relationship between POPs and the stress response mediated by the ... -
In ovo transformation of two emerging flame retardants in Japanese quail (Coturnix japonica)
Briels, Nathalie; Løseth, Mari Engvig; Ciesielski, Tomasz Maciej; Malarvannan, Govindan; Poma, Giulia; Kjærvik, Sara Alainezhad; Léon, Alexis; Cariou, Ronan; Covaci, Adrian; Jaspers, Veerle (Journal article; Peer reviewed, 2018)Tris(1,3-dichloro-2-propyl) phosphate (TDCIPP) and Dechlorane Plus (DP) are two chlorinated, alternative flame retardants that have been found in wild birds and bird eggs. Little is known about the fate and effect of these ... -
Influence of perfluoroalkyl acids and other parameters on circulating thyroid hormones and immune-related microRNA expression in free-ranging nestling peregrine falcons
Sun, Jiachen; Letcher, Robert J.; Waugh, Courtney; Jaspers, Veerle; Covaci, Adrian; Fernie, Kim (Peer reviewed; Journal article, 2021)Exposure to certain perfluoroalkyl acids (PFAAs) can have considerable effects on the endocrine and immune systems, although such effects remain largely uncharacterized in wildlife. Using an apex avian predator, we ... -
Integrated exposure assessment of northern goshawk (Accipiter gentilis) nestlings to legacy and emerging organic pollutants using non-destructive samples
Briels, Nathalie; Torgersen, Lene Norstrand; Castaño-Ortiz, Jose M.; Løseth, Mari Engvig; Herzke, Dorte; Nygård, Torgeir; Bustnes, Jan Ove; Ciesielski, Tomasz Maciej; Poma, Giulia; Malarvannan, Govindan; Covaci, Adrian; Jaspers, Veerle (Journal article; Peer reviewed, 2019)In the present study, concentrations of legacy and emerging contaminants were determined in three non-destructive matrices (plasma, preen oil and body feathers) of northern goshawk (Accipiter gentilis) nestlings. Persistent ... -
Legacy and emerging organohalogenated compounds in feathers of Eurasian eagle-owls (Bubo bubo) in Norway: Spatiotemporal variations and associations with dietary proxies (δ13C and δ15N)
Monclús, Laura; Løseth, Mari Engvig; Dahlberg Persson, Marie Johanne; Eulaers, Igor; Kleven, Oddmund; Covaci, Adrian; Benskin, Jonathan P.; Awad, Raed; Zubrod, Jochen P.; Schulz, Ralf; Wabakken, Petter; Heggøy, Oddvar; Øien, Ingar Jostein; Steinsvåg, Magnus Johan; Jaspers, Veerle; Nygård, Torgeir (Peer reviewed; Journal article, 2021)The occurrence of organohalogenated compounds (OHCs) in wildlife has received considerable attention over the last decades. Among the matrices used for OHCs biomonitoring, feathers are particularly useful as they can be ... -
Organophosphate esters in indoor dust from 12 countries: Concentrations, composition profiles, and human exposure
Li, Wenhui; Asimakopoulos, Alexandros; Covaci, Adrian; Gevao, Bondi; Johnson-Restrepo, Boris; Kumosani, Taha Abdullah; Malarvannan, Govindan; Moon, Hyo-Bang; Nakata, Haruhiko; Sinha, Ravindra K.; Tran, Tri Manh; Kannan, Kurunthachalam (Journal article; Peer reviewed, 2019)A total of 20 organophosphate triesters (OPEs), including seven alkyl-OPEs, three chlorinated (Cl)-OPEs, seven aryl-OPEs, and three oligomeric-OPEs were measured in 341 house dust samples collected from 12 countries during ... -
Plasma concentrations of organohalogenated contaminants in white-tailed eagle nestlings – The role of age and diet
Løseth, Mari Engvig; Briels, Nathalie; Eulaers, Igor; Nygård, Torgeir; Malarvannan, Govindan; Poma, Giulia; Covaci, Adrian; Herzke, Dorte; Bustnes, Jan Ove; Lepoint, Gilles; Jenssen, Bjørn Munro; Jaspers, Veerle (Journal article; Peer reviewed, 2019)Concentrations of organohalogenated contaminants (OHCs) can show significant temporal and spatial variation in the environment and wildlife. Most of the variation is due to changes in use and production, but environmental ... -
A retrospective investigation of feather corticosterone in a highly contaminated white-tailed eagle (Haliaeetus albicilla) population
Hansen, Elisabeth; Sun, Jiachen; Björn, Helander; Bustnes, Jan Ove; Eulaers, Igor; Jaspers, Veerle Leontina B; Covaci, Adrian; Eens, Marcel; Bourgeon, Sophie (Peer reviewed; Journal article, 2023)Exposure to persistent organic pollutants (POPs), such as organochlorines (OCs) and polybrominated diphenyl ethers (PBDEs), is associated with adverse health effects in wildlife. Many POPs have been banned and consequently ... -
Temporal trends of legacy organochlorines in different white-tailed eagle (Haliaeetus albicilla) subpopulations: A retrospective investigation using archived feathers
Sun, Jiachen; Covaci, Adrian; Bustnes, Jan Ove; Jaspers, Veerle; Helander, Björn; Bårdsen, Bård-Jørgen; Boertmann, David; Dietz, Rune; Labansen, Aili Lage; Lepoint, Gilles; Schulz, Ralf; Malarvannan, Govindan; Sonne, Christian; Thorup, Kasper; Tøttrup, Anders P.; Zubrod, Jochen P.; Eens, Marcel; Eulaers, Igor (Peer reviewed; Journal article, 2020)Understanding the spatiotemporal patterns of legacy organochlorines (OCs) is often difficult because monitoring practices differ among studies, fragmented study periods, and unaccounted confounding by ecological variables. ... -
White-tailed eagle (Haliaeetus albicilla) feathers from Norway are suitable for monitoring of legacy, but not emerging contaminants
Løseth, Mari Engvig; Briels, Nathalie; Flo, Jørgen; Malarvannan, Govindan; Poma, Giulia; Covaci, Adrian; Herzke, Dorte; Nygård, Torgeir; Bustnes, Jan Ove; Jenssen, Bjørn Munro; Jaspers, Veerle (Journal article, 2018)While feathers have been successfully validated for monitoring of internal concentrations of heavy metals and legacy persistent organic pollutants (POPs), less is known about their suitability for monitoring ofemerging ...