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RECORD NUMBER: 531 OF 1241

OLS Field Name OLS Field Data
Main Title Group Report: Interactions among Acidification, Phosphorus, Contaminants, and Biota in Freshwater Ecosystems (Chapter 13).
Author Landers, D. H. ; Bayley, S. E. ; Ford, J. ; Gunn, J. M. ; Luekewille, A. ;
CORP Author Corvallis Environmental Research Lab., OR. ;Ontario Ministry of Natural Resources, Toronto. ;Alberta Univ., Edmonton. ;Maine Univ., Augusta.
Publisher c1994
Year Published 1994
Report Number EPA/600/A-94/159;
Stock Number PB94-210598
Additional Subjects Acidification ; Surface waters ; Phosphorus ; Aquatic ecosystems ; Fresh water biology ; Watersheds ; Hydrology ; Microorganisms ; Water chemistry ; Physical properties ; Catch basins ; Chemical properties ; Variations ; Metals ; Atmospheric composition ; Sediment transport ; Biochemistry ; Survival ; Reprints ; Acid deposition ; Acid rain
Holdings
Library Call Number Additional Info Location Last
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Status
NTIS  PB94-210598 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 11/11/1994
Collation 19p
Abstract
Scientific investigations over the last two decades have examined the processes and effects of acidic deposition on surface waters and their catchments. These studies have been performed on various scales: laboratory benchtop, mesocosm/plot studies, whole system manipulations, and regional and national surveys. The processes and mechanisms of acidification of fresh waters have been studied intensively, and investigations have examined closely associated phenomena that influence the availability, transport, and biogeochemistry of acids and related substances. The authors have learned a great deal about the linkages among watershed processes, hydrology, microbial activities, and water chemistry. These factors interact to create the physical and chemical environment in which biota are exposed to an almost infinite array of conditions. Some of these conditions are so adverse that specific organisms can no longer survive; other conditions may result in sublethal effects that have less visible but important results. The purpose of this group report is to relate what the authors have learned about acification and the fate, transport, and effects of other contaminants that may co-occur with acidic ecosystems. (Copyright (c) 1994 John Wiley and Sons Ltd.)