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Identification of linear and threshold responses in streams along a gradient of urbanization in Anchorage, Alaska

Dates

Year
2003

Citation

Ourso, R. T., and Frenzel, S. A., 2003, Identification of linear and threshold responses in streams along a gradient of urbanization in Anchorage, Alaska: Hydrobiologia, v. 501, no. 1-3, p. 117-131.

Summary

We examined biotic and physiochemical responses in urbanized Anchorage, Alaska, to the percent of impervious area within stream basins, as determined by high-resolution IKONOS satellite imagery and aerial photography. Eighteen of the 86 variables examined, including riparian and instream habitat, macroinvertebrate communities, and water/sediment chemistry, were significantly correlated with percent impervious area. Variables related to channel condition, instream substrate, water chemistry, and residential and transportation right-of-way land uses were identified by principal components analysis as significant factors separating site groups. Detrended canonical correspondence analysis indicated that the macroinvertebrate communities [...]

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Type Scheme Key
ISSN http://sciencebase.gov/vocab/identifierScheme 0018-8158, 0018-8158

Citation Extension

journalHydrobiologia
parts
typeNotes
value9447
typePages
value117-131
typeVolume
value501
typeNumber
value1-3
citationTypeJournal Article

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