Mercury exposure affects the reproductive success of a free-living terrestrial songbird, the Carolina Wren (Thryothorus ludovicianus ). Jackson, A., K., Evers, D., C., Etterson, M., A., Condon, A., M., Folsom, S., B., Detweiler, J., Schmerfeld, J., & Cristol, D., A. The Auk, 128(4):759-769, 2011.
Website abstract bibtex ABSTRACT. Despite mounting evidence of mercury accumulation in terrestrial ecosystems, few data exist on how environmental mercury exposure affects reproductive success in free-living songbirds. From 2007 through 2010, we monitored reproductive success of Carolina Wrens (Thryothorus ludovicianus) breeding along the forest floodplain of two mercury-contaminated rivers in Virginia. Using an information-theoretic approach, we found a 34% reduction in nesting success of Carolina Wrens on mercury-contaminated sites when compared with reference sites. Blood mercury concentration of the attending female was a strong predictor of nest success. Birds nesting on contaminated sites were 3× more likely to abandon their nests than birds on uncontaminated reference sites. We report a range of effects concentrations associated with various levels of reproductive impairment; for example, a 10% reduction in nest success corresponded with 0.7 µg g-1 mercury in the blood, 2.4 µg g-1 mercury in body feathers, 3.0 µg g-1 merc...
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title = {Mercury exposure affects the reproductive success of a free-living terrestrial songbird, the Carolina Wren (Thryothorus ludovicianus )},
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abstract = {ABSTRACT. Despite mounting evidence of mercury accumulation in terrestrial ecosystems, few data exist on how environmental mercury exposure affects reproductive success in free-living songbirds. From 2007 through 2010, we monitored reproductive success of Carolina Wrens (Thryothorus ludovicianus) breeding along the forest floodplain of two mercury-contaminated rivers in Virginia. Using an information-theoretic approach, we found a 34% reduction in nesting success of Carolina Wrens on mercury-contaminated sites when compared with reference sites. Blood mercury concentration of the attending female was a strong predictor of nest success. Birds nesting on contaminated sites were 3× more likely to abandon their nests than birds on uncontaminated reference sites. We report a range of effects concentrations associated with various levels of reproductive impairment; for example, a 10% reduction in nest success corresponded with 0.7 µg g-1 mercury in the blood, 2.4 µg g-1 mercury in body feathers, 3.0 µg g-1 merc...},
bibtype = {article},
author = {Jackson, Allyson K. and Evers, David C. and Etterson, Matthew A. and Condon, Anne M. and Folsom, Sarah B. and Detweiler, Jennifer and Schmerfeld, John and Cristol, Daniel A.},
journal = {The Auk},
number = {4}
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