NDLI: Metal accumulation in wild nine-banded armadillos.

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Metal accumulation in wild nine-banded armadillos.

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Metal accumulation in wild nine-banded armadillos.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Jarvis, Tayler A. Lockhart, J. Mitchell Loughry, W. J. Bielmyer, Gretchen K.
Spatial Coverage	Florida Georgia
Description	Country affiliation: United States Author Affiliation: Jarvis TA ( Department of Biology, Valdosta State University, Valdosta, GA 31698-0015, USA.)
Abstract	Nine-banded armadillos (Dasypus novemcinctus) are widespread and abundant New World mammals with a lifestyle that entails prolonged, intimate contact with soils. Thus, armadillos would seem a promising candidate as a sentinel species to monitor chemical contamination in terrestrial ecosystems. Surprisingly, there have been virtually no toxicology studies on armadillos. Here, we provide the first analysis of metal contaminants for wild armadillos. Liver tissues were obtained from 302 armadillos collected at 6 sites in Georgia and Florida, USA that varied in their extent of human disturbance, from rural pine plantations to highly modified military/space installations. Data were stratified by age (juvenile and adult), sex, and site. Temporal (yearly) variation was examined at two of the sites that were sampled over three consecutive years. Concentrations of aluminum, cadmium, copper, nickel, lead, and zinc were measured in liver samples from each site. Although reference levels are not available for armadillos, accumulated metal concentrations were comparable to those reported for other mammals. We found no evidence of sex or age differences in the concentrations of any metal, except for Cd (age) and Pb (sex and age). However, concentrations of most metals varied substantially across sites and over time. Finally, concentrations of many metals were positively correlated with one another, suggesting that they likely co-occurred in some areas. Collectively, this study indicates the utility of armadillos as a sentinel species for studies of metal contamination in terrestrial systems, and highlights the need for further studies of other toxicants in these animals.
File Format	HTM / HTML
ISSN	09639292
Issue Number	6
Volume Number	22
e-ISSN	15733017
Journal	Ecotoxicology
Language	English
Publisher	Springer
Publisher Date	2013-08-01
Publisher Place	United States
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Ecology Discipline Environmental Health Discipline Toxicology Armadillos Environmental Monitoring Methods Environmental Pollutants Pharmacokinetics Aluminum Animals Cadmium Copper Ecosystem Female Florida Georgia Lead Liver Metabolism Male Nickel Zinc Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Health, Toxicology and Mutagenesis Medicine Toxicology Management, Monitoring, Policy and Law

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