Browse Ontario Ministry of the Environment - Biodiversity Heritage Library

Browse by:

Sort By:

This contributor has added 92 volumes from 84 titles, containing 12914 pages.
This contributor has added 0 chapters/articles/treatments.

Effects of acid deposition on the emergence of blackflies (Diptera: Simuliidae) over 50 years from Algonquin Park streams

View Metadata

By: Chmielewski, Carol Mary, - Hall, R. J.,

Publication info: [Toronto], Environment Ontario, c1992

Holding Institution: Ontario Ministry of the Environment
Effects of zebra mussels on chlorophyll, nitrogen, phosphorus and silica in north shore waters of Lake Erie

View Metadata

By: Ontario. Ministry of Environment and Energy.

Publication info: [Toronto], Ontario Ministry of Environment and Energy, 1997

Holding Institution: Ontario Ministry of the Environment
An environmental evaluation of the lower Welland River

View Metadata

By: Pope, R. J. - Keenleyside, Karen Anne, - Speller, S. D. - Niagara River Improvement Project. - Tarandus Associates Ltd.

Publication info: Toronto, The Project, 1993

Holding Institution: Ontario Ministry of the Environment
Evaluation methods in environmental assessment

View Metadata

By: VHB Research and Consulting. - Ontario. Ministry of the Environment. - LocPlan. - Lawrence MacDonald & Associates.

Publication info: Toronto, Environment Ontario, c1990

Holding Institution: Ontario Ministry of the Environment
Extraction of zygnematacean zygospores from lake sediments and their potential as paleo-indicators of lake acidification : R.A.C. Project No. 464G

View Metadata

By: Zippi, P. A. - Ontario Water Resources Commission. - Ontario. Ministry of the Environment.

Publication info: [Toronto], Environment Ontario, 1991

Holding Institution: Ontario Ministry of the Environment