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The Occurrence of Trace Elements in Bed Sediment Collected from Areas of Varying - Couverture souple

Paul, Angela P.; Paretti, Nicholas V.; MacCoy, Dorene E.; Brasher, Anne M.D.

 
9781500206017: The Occurrence of Trace Elements in Bed Sediment Collected from Areas of Varying
Couverture souple
ISBN 10 : 1500206016 ISBN 13 : 9781500206017
Editeur : CreateSpace Independent Publishing Platform, 2014

Synopsis

As part of the National Water-Quality Assessment Pro- gram of the U.S. Geological Survey, this study examines the occurrence of nine trace elements in bed sediment of varying mineralogy and land use and assesses the possible effects of these trace elements on aquatic-macroinvertebrate community structure. Samples of bed sediment and macroinvertebrates were collected from 154 streams at sites representative of undeveloped, agricultural, urban, mined, or mixed land-use areas and 12 intermediate-scale ecoregions within the con- terminous western United States, Alaska, and Hawaii from 1992 to 2000. The nine trace elements evaluated during this study—arsenic (As), cadmium (Cd), chromium (Cr), copper (Cu), lead (Pb), mercury (Hg), nickel (Ni), selenium (Se), and zinc (Zn)—were selected on the basis of potential ecologic significance and availability of sediment-quality guidelines.

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Éditeur
CreateSpace Independent Publishing Platform
Date d'édition
2014
Langue
anglais
ISBN 10 
1500206016
ISBN 13 
9781500206017
Reliure
Broché
Nombre de pages
72
Coordonnées du fabricant
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