A BASELINE STUDY OF JORDAN CREEK CITY OF ALLENTOWN, LEHIGH COUNTY, PENNSYLVANIA

Stream conditions were documented for a 0.25 km segment of the Jordan Creek scheduled for rechannelization. Macroinvertebrate samplings, physical measurements and selected chemical tests were performed bimonthly from September 1984 through May 1985. The macroinvertebrate data were evaluated for seas...

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Published in:Proceedings of the Pennsylvania Academy of Science 1987-01, Vol.61 (1), p.50-58
Main Authors: KLOTZ, PHILIP H., HAASE, BRUCE L.
Format: Article
Language:English
Subjects:
Biological taxonomies
BIOLOGY
Creeks
Diversity indices
Fresh water
Invertebrates
Macroinvertebrates
Oxygen
Scrapers
Streams
Trout
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HAASE, BRUCE L.
description Stream conditions were documented for a 0.25 km segment of the Jordan Creek scheduled for rechannelization. Macroinvertebrate samplings, physical measurements and selected chemical tests were performed bimonthly from September 1984 through May 1985. The macroinvertebrate data were evaluated for seasonal population patterns, habitat preferences, functional group classifications, and organic waste tolerances. A biotic index, mean diversity, and equitability were also calculated. Pollution was indicated by (1) the benthic flocculate; (2) the greater species richness of macroinvertebrates in the pool than in the riffle; (3) the predominance of "collector" macroinvertebrates; (4) the paucity of Brown Trout (Salmo trutta); and (5) the relative abundance of White Sucker (Catostomus commersoni). These findings implied an influx of organic matter, nutrients, and sediment.
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source JSTOR Archival Journals and Primary Sources Collection
subjects Biological taxonomies
BIOLOGY
Creeks
Diversity indices
Fresh water
Invertebrates
Macroinvertebrates
Oxygen
Scrapers
Streams
Trout
title A BASELINE STUDY OF JORDAN CREEK CITY OF ALLENTOWN, LEHIGH COUNTY, PENNSYLVANIA
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