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Title: 1997 Canadian acid rain assessment. Volume 3: Aquatic effects

Abstract

This report is an assessment of information on the aquatic effects of acid rain, produced to act as technical support for development of an acid rain strategy. It first reviews the previous aquatic effects assessment of 1990 and aquatic effects monitoring and research conducted post-1990. It then presents and discusses results of research that proceeds from the knowledge base and status presented in the 1990 assessment. First, the chemical and biological changes observed in aquatic ecosystems since the early 1980s are assessed, including an analysis of the factors (such as declining acidic deposition) that influence the changes. Regional differences and hysteresis between acidification and recovery responses are also discussed. Second, interactions between the acidity stressor and other atmospherically based stressors such as climate change and contaminant deposition are considered. Third, the effectiveness of existing critical and target loads in protecting aquatic ecosystems is re-evaluated. Finally, the likely effect of full implementation of the planned sulphur dioxide controls in Canada and the United States on aquatic chemistry and biology is predicted using up-to-date modelling tools. Knowledge gaps are identified along with recommended actions to be implemented.

Authors:
Publication Date:
Research Org.:
Environment Canada, Ottawa, Ontario (Canada)
OSTI Identifier:
679033
Report Number(s):
MIC-99-04424/XAB
TRN: 92431135
Resource Type:
Technical Report
Resource Relation:
Other Information: PBD: 1997
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; ACID RAIN; WATER POLLUTION; CANADA; ENVIRONMENTAL IMPACTS; SULFUR DIOXIDE; AQUATIC ECOSYSTEMS; MATHEMATICAL MODELS; AIR POLLUTION ABATEMENT; CLIMATIC CHANGE

Citation Formats

Jeffries, D S. 1997 Canadian acid rain assessment. Volume 3: Aquatic effects. United States: N. p., 1997. Web.
Jeffries, D S. 1997 Canadian acid rain assessment. Volume 3: Aquatic effects. United States.
Jeffries, D S. 1997. "1997 Canadian acid rain assessment. Volume 3: Aquatic effects". United States.
@article{osti_679033,
title = {1997 Canadian acid rain assessment. Volume 3: Aquatic effects},
author = {Jeffries, D S},
abstractNote = {This report is an assessment of information on the aquatic effects of acid rain, produced to act as technical support for development of an acid rain strategy. It first reviews the previous aquatic effects assessment of 1990 and aquatic effects monitoring and research conducted post-1990. It then presents and discusses results of research that proceeds from the knowledge base and status presented in the 1990 assessment. First, the chemical and biological changes observed in aquatic ecosystems since the early 1980s are assessed, including an analysis of the factors (such as declining acidic deposition) that influence the changes. Regional differences and hysteresis between acidification and recovery responses are also discussed. Second, interactions between the acidity stressor and other atmospherically based stressors such as climate change and contaminant deposition are considered. Third, the effectiveness of existing critical and target loads in protecting aquatic ecosystems is re-evaluated. Finally, the likely effect of full implementation of the planned sulphur dioxide controls in Canada and the United States on aquatic chemistry and biology is predicted using up-to-date modelling tools. Knowledge gaps are identified along with recommended actions to be implemented.},
doi = {},
url = {https://www.osti.gov/biblio/679033}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Wed Dec 31 00:00:00 EST 1997},
month = {Wed Dec 31 00:00:00 EST 1997}
}

Technical Report:
Other availability
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