Effects of long-term natural acidification on the algal communities of tundra ponds at the Smoking Hills, N.W.T., Canada

• Published in: Canadian Journal of Botany
• Main Authors: Sheath, R. G., Havas, M., Hellebust, J. A., Hutchinson, T. C.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 1982
• Subjects: Plant Science; Canada; Smoking Hills; Tundra
• Online Access: http://dx.doi.org/10.1139/b82-008; http://www.nrcresearchpress.com/doi/pdf/10.1139/b82-008

Epipelic and planktonic algal communities have been examined periodically for 3 years from four tundra ponds which have very low pH values (1.8–3.6) and high heavy metal concentrations due to long-term fumigation by sulphur dioxide and sulphuric acid aerosols from nearby lignite burns. These communi...