| Trích dẫn | Chatwin, T.A., 2010 Set-back distances to protect nesting and roosting seabirds off Vancouver Island from boat disturbance. Thesis in MSc in Environment and Management, Royal Roads University, Victoria, British Columbia, Canada, 59p. |
| Tài liệu tham khảo | 94991 Chatwin, T.A., 2010 |
| Trang | 6 |
| Named Used as Valid | Uria aalge |
| Địa phương | |
| Distribution | Canada. |