Short-term fasts increase levels of halogenated flame retardants in tissues of a wild incubating bird
TLDR
It is demonstrated that short fasts can be related to increased internal contaminant exposure in birds and that this may be a confounding factor in research and monitoring involving tissue concentrations of HFRs in wild birds.About:
This article is published in Environmental Research.The article was published on 2016-04-01 and is currently open access. It has received 13 citations till now.read more
Citations
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Associations between organohalogen concentrations and transcription of thyroid-related genes in a highly contaminated gull population.
TL;DR: Positive correlations were found between liver concentrations of several polychlorinated biphenyls, PBDEs as well as chlordanes and total plasma T4 levels and multiple correlative linkages suggest that organohalogens operate through several mechanisms (direct or compensatory) involving gene transcription, thus potentially perturbing the HPT axis of this highly organohalogen-contaminated ring-billed gull population.
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In ovo transformation of two emerging flame retardants in Japanese quail ( Coturnix japonica )
Nathalie Briels,Mari Engvig Løseth,Tomasz Maciej Ciesielski,Govindan Malarvannan,Giulia Poma,Sara Alainezhad Kjærvik,Alexis Léon,Ronan Cariou,Adrian Covaci,Veerle L.B. Jaspers +9 more
TL;DR: It is indicated that within the incubation period, avian embryos are able to biotransform TDCIPP, but not DP, and the DP concentration did not decrease during egg incubation.
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Multiple stressors including contaminant exposure and parasite infection predict spleen mass and energy expenditure in breeding ring-billed gulls.
TL;DR: It is demonstrated that immune activity may be an important factor affecting energy expenditure in ring-billed gulls, and that contaminants and parasite abundance may have both a direct and/or indirect influence on FMR.
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Polychlorinated biphenyls (PCBs) in adult and juvenile mallards (Anas platyrhynchos) from the Hudson River, New York, USA.
Sean Madden,Lawrence C. Skinner +1 more
TL;DR: More than 90% of the ducks collected in areas downstream of the GE plants but above the tidally influenced river exceed the USFDA tolerance level for PCBs in poultry, which should be a concern for consumers of waterfowl taken in proximity to the upper Hudson River.
References
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Book
Model Selection and Multimodel Inference: A Practical Information-Theoretic Approach
TL;DR: The second edition of this book is unique in that it focuses on methods for making formal statistical inference from all the models in an a priori set (Multi-Model Inference).
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AIC model selection and multimodel inference in behavioral ecology: some background, observations, and comparisons
TL;DR: The information-theoretic (I-T) approaches to valid inference are outlined including a review of some simple methods for making formal inference from all the hypotheses in the model set (multimodel inference).
Journal ArticleDOI
Measuring and Estimating the Bioconcentration Factor of Chemicals in Fish
TL;DR: In this article, a method of estimating the bioconcentration factor of organic chemicals in fathead minnows (Pimephales promelas) was described, where water at 25 °C was intermittently dosed with the chemical at a nontoxi...
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THE COMPARATIVE PHYSIOLOGY OF FOOD DEPRIVATION: From Feast to Famine
TL;DR: In most animals, the gastrointestinal tract undergoes marked atrophy when digestive processes are curtailed; this structural response and others seem particularly pronounced in species that normally feed at intermittent intervals; such animals must be able to restore digestive functions soon after feeding, and these transitions appear to occur at low metabolic costs.
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Direct measurement of octanol-water partition coefficients of some environmentally relevant brominated diphenyl ether congeners
TL;DR: Octanol-water partition coefficients (K(OW)) of nine environmentally relevant brominated diphenyl ether (BDE) congeners present in two technical mixtures were directly measured using a slow-stir technique and the quasi-experimental approach of using fragment constants to modify a "backbone" compound of known K(OW) was much more successful than using the fragments to "build the entire molecule.