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Assessment of stream quality using biological indices at selected sites in the Red Clay and White Clay Creek basins, Chester County, Pennsylvania, 1981-97

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Citation

Reif, A.G., 2002, Assessment of stream quality using biological indices at selected sites in the Red Clay and White Clay Creek basins, Chester County, Pennsylvania, 1981-97: U.S. Geological Survey Fact Sheet 2002–0118, 4 p., https://pubs.er.usgs.gov/publication/fs11802.

Summary

In 1970, the Chester County Water Resources Authority (Pennsylvania) and the U.S. Geological Survey (USGS) established a long-term water-quality network with the goal of assessing the quality of streams in the county and understanding stream changes in response to urbanization using benthic-macroinvertebrate data. This database represents one of the longest continuous water-quality data sets in the country. Benthic macroinvertebrates are aquatic insects, such as mayflies, caddisflies, riffle beetles, and midges, and other invertebrates that live on the stream bottom. Benthic macroinvertebrates are useful in evaluating stream quality because their habitat preference and low motility cause them to be affected directly by substances that [...]

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Author :
Andrew G. Reif
Publisher :
U.S. Geological Survey

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Harvested on Mon Jul 21 11:30:40 MDT 2014 from MODS XML Service

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Type Scheme Key
local-index unknown fs11802
local-pk unknown 44700
doi http://www.loc.gov/standards/mods/mods-outline-3-5.html#identifier doi:10.3133/fs11802
series unknown Fact Sheet

Citation Extension

citationTypeReport
journalFact Sheet
languageEnglish
parts
typePublication Place
valueReston, VA
tableOfContents<ul><li>Introduction</li><li>Study Approach</li><li>Stream-Quality Designation Criteria</li><li>Stream-Quality Assessment</li><li>Trends in Benthic-Macroinvertebrate and Chemical Data</li><li>Summary</li><li>References Cited</li></ul>

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