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RECORD NUMBER: 9 OF 148

OLS Field Name OLS Field Data
Main Title Assessing Trends in Fishery Resources and Lake Water Aluminum from Paleolimnological Analyses of Siliceous Algae.
Author Kingston, J. C. ; Birks, H. J. B. ; Uutala, A. J. ; Cummings, B. F. ; Smol., J. P. ;
CORP Author Queen's Univ., Kingston (Ontario). Dept. of Biology. ;Bergen Univ. (Norway).;Corvallis Environmental Research Lab., OR.
Publisher c1992
Year Published 1992
Report Number EPA/600/J-92/175;
Stock Number PB92-180405
Additional Subjects Paleolimnology ; Water pollution effects(Animals) ; Fishes ; Biological indicators ; Aluminum ; New York ; Adirondack Mountains ; Acidification ; Lakes ; Toxic substances ; Aquatic algae ; Diatoms ; Fossils ; Aquatic ecosystems ; Geochemistry ; Trends ; Paleoecology ; Water chemistry ; Sediments ; Reprints ;
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NTIS  PB92-180405 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 08/22/1992
Collation 14p
Abstract Lake water aluminum concentrations have a significant influence on the composition of microfossil assemblages of diatoms and chrysophytes deposited in lake sediments. With the paleolimnological approach of multilake datasets in the Adirondack region of New York, USA, the authors use canonical correspondence analysis to describe past trends in lake water Al. Four lakes, previously investigated regarding acidification and fishery trends, are used to demonstrate that paleolimnological assessment can also provide direction, timing, and magnitude of trends for both toxic metals and fish resources. Additionally, the authors use weighted average regression and calibration to obtain quantitative reconstructions of past lake water Al concentrations. Such reconstructions provide further insight into fishery resource damage and can be compared with modelling results. According to paleolimnological reconstructions, some of the naturally most acidic lakes in the Adirondack region had preindustrial lake water concentrations of inorganic monomeric Al near 4/micromol times L. Although these high concentrations are surprising from a geochemical point of view, they may partially explain the preindustrial absence of fish, as has been independently determined by paleolimnological analysis of phantom midges (Chaoborus). Fishery resource deterioration in acidified Adirondack lakes was coincident with major increases in lake water Al concentrations.
Supplementary Notes Pub. in Canada Jnl. of Fisheries and Aquatic Sciences, v49 p116-127. See also PB91-226498. Prepared in cooperation with Bergen Univ. (Norway). Sponsored by Corvallis Environmental Research Lab., OR.
NTIS Title Notes Journal article.
Title Annotations Reprint: Assessing Trends in Fishery Resources and Lake Water Aluminum from Paleolimnological Analyses of Siliceous Algae.
Category Codes 68D; 57H; 48G; 48F
NTIS Prices PC A03/MF A01
Primary Description 600/02
Document Type NT
Cataloging Source NTIS/MT
Control Number 217731337
Origin NTIS
Type CAT