Effects of acid deposition on the emergence of blackflies (Diptera: Simuliidae) over 50 years from Algonquin Park streams
By: report prepared by C.M. Chmielewski and R.J. Hall.
Contributors: Hall, R. J.; Ontario. Ministry of the Environment.
Publisher: Queen's Printer for Ontario
Published: 1992
Place of publication: [Toronto]
Language: eng
Number of pages: 25
Subjects: Simulidae -- Ontario -- Algonquin Provincial Park; Water -- Pollution -- Ontario -- Algonquin Provincial Park
Notes: "Log 92-2345-103, PIBS 2048E".

On cover: Environment Ontario.

Includes bibliographical references.