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Abstract
Mean mercury (0.40 mu g/g), and geometric mean DDE (1.6 mu g/g) and polychlorinated biphenyl (PCB) (2.3 mu g/g) concentrations in Forster's tern (Sterna forsteri ) eggs from Lavaca Bay were higher than those in tern eggs from a reference area in San Antonio Bay, but residues were not correlated with hatching success. Nest success was similar between bays. Selenium levels in Lavaca Bay tern eggs (0.71 mu g/g) were also comparable to those in eggs from the reference area (0.68 mu g/g). Clutch size (3.1 to 3.4) of Lavaca Bay black skimmers (Rynchops niger ) was no different than that (3.4) at a reference colony near Laguna Vista. Nest success was similar among three Lavaca Bay colonies, but success was lower at one Lavaca Bay colony (40%) than at Laguna Vista (65%). Mean mercury (0.46 mu g/g) and selenium (0.75 mu g/g) concentrations in skimmer eggs from Lavaca Bay wee higher than those (0.19, 0.33 mu g/g) from Laguna Vista.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Effects of mercury, selenium, and organochlorine contaminants on reproduction of Forster's terns and black skimmers nesting in a contaminated Texas bay |
| Series title | Archives of Environmental Contamination and Toxicology |
| Volume | 20 |
| Issue | 1 |
| Year Published | 1991 |
| Language | English |
| Publisher | U.S. Fish and Wildlife Service |
| Contributing office(s) | Upper Midwest Environmental Sciences Center |
| Description | pp. 32-40 |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Archives of Environmental Contamination and Toxicology |
| First page | 32 |
| Last page | 40 |
| Google Analytic Metrics | Metrics page |