| Title | External influences and threats to freshwater ecosystems |
| Publication Type | Report |
| Year of Publication | 1989 |
| Authors | Donald, D. B. |
| Volume | Heritage Resources centre Occasional Paper 11 |
| Pagination | 67-76 |
| Publisher | University of Waterloo |
| Publication Language | en |
| Notes | In: D. C. Harvey, S. J. Woodley and A. R. Haworth (eds) Use and management of aquatic resources in Canada's national parks |
| Topics | Biology |
| Group | Science |
| Citation Key | 36400 |
