Lead poisoning of ducks in the lower Fraser valley of British Columbia : a chemical study
Macroscopic examinations of ducks in a hunter kill sample for the presence of ingested lead shot pellets in the gizzards indicated that a slight increase in active lead poisoning since 1947, had taken place among mallards (Anas platyrhynchos) and that a more severe increase had occurred in pintails...
| Main Author: | |
|---|---|
| Language: | English |
| Published: |
University of British Columbia
2012
|
| Subjects: | |
| Online Access: | http://hdl.handle.net/2429/41330 |