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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Custer, Thomas W. Custer, Christine M. Thogmartin, Wayne E. Dummer, Paul M. Rossmann, Ronald Kenow, Kevin P. Meyer, Michael W. |
| Spatial Coverage | Wisconsin |
| Description | Country affiliation: United States Author Affiliation: Custer TW ( US Geological Survey, Upper Midwest Environmental Sciences Center, 2630 Fanta Reed Rd., La Crosse, WI 54603, USA. tom_w_custer@usgs.gov) |
| Abstract | The primary objective of this study was to determine whether tree swallows (Tachycineta bicolor) demonstrate similar responses to lake pH and mercury (Hg) contamination in northern Wisconsin as do common loons (Gavia immer). Similar to common loons, Hg concentrations in the blood of tree swallow nestlings were higher, Hg concentrations in eggs tended to be higher, and egg size tended to be smaller at low (<6.2) pH lakes. In contrast to common loons, tree swallow nestling production was not lower at low pH lakes. Based on modeling associations, Hg concentrations in tree swallow eggs and nestling blood can be used to predict Hg concentrations in common loons without the invasive or destructive sampling of loons. Mean concentrations of cadmium, manganese, and mercury in nestling livers were higher at low pH lakes than neutral pH lakes. Concentrations of cadmium, chromium, mercury, selenium, and zinc were not at toxic levels. |
| File Format | HTM / HTML |
| ISSN | 02697491 |
| Volume Number | 163 |
| e-ISSN | 18736424 |
| Journal | Environmental Pollution |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2012-04-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Environmental Discipline Science Environmental Pollutants Metabolism Lakes Chemistry Mercury Swallows Trace Elements Animals Environmental Monitoring Analysis Female Hydrogen-ion Concentration Nesting Behavior Wisconsin Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Health, Toxicology and Mutagenesis Pollution Medicine Toxicology |
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