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MercNet Monitoring Inventory: Online Library
BRI - Monitoring Program for Mercury in loons and grebes
| OverviewCollection of mercury data for loon and grebe (aquatic piscivore) bird species at sites around the United States and Canada, focused in the northeastern U.S. Initiated in 1987. Data include THg in blood, eggs, and feathers, as well as ancillary data and morphometrics.
Source Agency: BioDiversity Research Institute ContactDavid Evers, Executive Director Address Phone: 207-839-7600 Fax: 207-839-7655 |
| Name of dataset | Mercury in Loons and Grebes |
| Geographic area | North America (primarily northeastern and midwestern US) |
| State/Province | AB, AK, CA, FL, MA, ME, MI, MN, MT, NB, NH, NS, NV, NY, ON, PQ, RI, VA, VT, WA, WI |
| Activity Category | Monitoring |
| Medium | birds |
| Focal species | Common Loon (majority), Yellow-billed Loon, Red-throated Loon, Pacific Loon, Pied-billed Grebe, Red-necked Grebe, Horned Grebe, Western Grebe |
| Tissue Types | blood, carcass, egg, feather, organs |
| Approximate size of dataset | 4692 |
| Positional data available? | yes for some; lake/territory names available for all |
| Start Date | 1987 |
| End Date | 2008 |
| Status | Ongoing |
| Collection season | spring, summer |
| Collection Months | April-August |
| Historic # Of Sampling Locations | approx. 527 |
| Individual or composite samples? | Individual |
| Ecosystem Focus | aquatic ecosystems |
| Additional Info | Current research is primarily in New York, New England, and the Canadian provinces |
| Data Use | By permission only |
| Quality Assurance | no |
| Data Format | Microsoft Access |
| Hg Measurements | THg |
| Hg Measurement Units | mg/g or mg/kg (ppm) |
| Hg Measurement Weight | ww |
| Ancillary Data | age, weight, sex, color bands, tarsi, bill metrics, wingspan, wing load, body circumference |
| BRI has data? | yes |
| Data downloadable on external website? | no |
| Other Databases | some overlap with WI DNR COLO dataset |
