OverviewEnvironment Canada's study of mercury in Common Loon tissue in southern Ontario. 1970-2007. Samples of blood, egg, feathers, liver, and brain. Organ samples collected from carcasses and moribund birds; blood and feathers sampled nonlethally during the breeding season from adults and chicks. THg, MeHg, and ancillary data. Source Agency: Environment Canada ContactTony Scheuhammer, Research Scientist Address Phone: 613-998-6695 Fax: 613-998-0458 |
| Name of dataset | Mercury in Common Loon Tissue in Southern Ontario, 1970-2007 |
| Geographic area | Southern Ontario |
| State/Province | ON |
| Activity Category | Monitoring |
| Medium | birds |
| Focal species | Common Loons, Bald Eagles |
| Tissue Types | blood, brain, egg, feather, liver |
| Approximate size of dataset | 2000 Common Loon liver/brains; 57 Common Loon blood/feathers; 90 Common Loon eggs |
| Positional data available? | yes for most |
| Start Date | 1970 |
| End Date | 2007 |
| Collection season | all seasons |
| Collection Months | all months |
| Historic # Of Sampling Locations | 50-100 |
| Size of Sampling Area | Southern Ontario |
| Methods | collection of carcasses and moribund birds for organ samples; blood and feathers nonlethal sampling during breeding season from adults and chicks |
| Individual or composite samples? | Individual |
| Data Use | Unrestricted for MercNet collaborators, By permission only |
| Quality Assurance | yes |
| Data Format | Microsoft Access, Microsoft Excel |
| Hg Measurements | THg, MeHg |
| Hg Measurement Weight | dw |
| Ancillary Data | age, sex |
| BRI has data? | no |
| Data downloadable on external website? | no |