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Episodic acidification and changes in fish diversity in Pennsylvania headwater streams

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Episodic acidification and changes in fish diversity in Pennsylvania headwater streams; 1997; Article; Journal; Transactions of the American Fisheries Society; Heard, R. M.; Sharpe, W. E.; Carline, R. F.; Kimmel, W. G.

Summary

Current water chemistry and fish communities in 70 Pennsylvania streams were compared with historical records to determine whether fish species richness had declined and, if so, the possible role of acidification. First-, second-, and third-order streams were selected, and stream sites sampled during the 1961-1971 survey were resampled during May and June 1994 in the Appalachian Plateaus province and during June 1995 in the Valley and Ridge province. Stream-flow was measured and a habitat assessment was completed at each site. Dominant bedrock types influencing the stream sampling site were determined for the Appalachian Plateaus streams. Episodic water chemistry was collected for 39 of the 50 Appalachian Plateaus streams and 14 of [...]

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Type Scheme Key
local-index unknown 70019558
local-pk unknown 70019558
series unknown Transactions of the American Fisheries Society

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citationTypeArticle
journalTransactions of the American Fisheries Society
languageEnglish
parts
typevolume
value126
typeissue
value6

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