It appears no script is enabled within your browser. Please enable JavaScript to use this site.
Skip header and navigation
Home
View Selections:
0
Items
Help
Print
Organochlorines, perfluoroalkyl substances, mercury, and egg incubation temperature in an Arctic seabird: Insights from data loggers.
https://arctichealth.org/en/permalink/ahliterature294255
Source
Environ Toxicol Chem. 2018 Nov; 37(11):2881-2894
Publication Type
Journal Article
Date
Nov-2018
More detail
Author
Pierre Blévin
Scott A Shaffer
Paco Bustamante
Frédéric Angelier
Baptiste Picard
Dorte Herzke
Børge Moe
Geir Wing Gabrielsen
Jan Ove Bustnes
Olivier Chastel
Author Affiliation
Centre d'Etudes Biologiques de Chizé, UMR 7372-Centre National de la Recherche Scientifique, Université de La Rochelle, Villiers-en-Bois, France.
Source
Environ Toxicol Chem. 2018 Nov; 37(11):2881-2894
Date
Nov-2018
Language
English
Publication Type
Journal Article
Abstract
In birds, incubation-related behaviors and brood patch formation are influenced by hormonal regulation such as prolactin secretion. Brood patch provides efficient heat transfer between the incubating parent and the developing embryo in the egg. Importantly, several environmental contaminants are already known to have adverse effects on avian reproduction. However, relatively little is known about the effect of contaminants on incubation temperature (Tinc ) in wild birds. By using temperature thermistors placed into artificial eggs, we investigated whether the most contaminated parent birds are less able to provide appropriate egg warming and thus less committed to incubating their clutch. Specifically, we investigated the relationships among 3 groups of contaminants (organochlorines, perfluoroalkyl substances [PFASs], and mercury [Hg]) with Tinc and also with prolactin concentrations and brood patch size in incubating Arctic black-legged kittiwakes (Rissa tridactyla). Our results reveal that among the organochlorines considered, only blood levels of oxychlordane, the main metabolite of chlordane, a banned pesticide, were negatively related to the minimum incubation temperature in male kittiwakes. Levels of PFASs and Hg were unrelated to Tinc in kittiwakes. Moreover, our study suggests a possible underlying mechanism: since we reported a significant and negative association between blood oxychlordane concentrations and the size of the brood patch in males. Finally, this reduced Tinc in the most oxychlordane-contaminated kittiwakes was associated with a lower egg hatching probability. Environ Toxicol Chem 2018;37:2881-2894. © 2018 SETAC.
PubMed ID
30094864
View in PubMed
Less detail
Permalink