PMID: 11915970Mar 28, 2002Paper

Evaluating microbial indicators of environmental condition in Oregon rivers

Environmental Management
A T PenningtonH M Campbell

Abstract

Traditional bacterial indicators used in public health to assess water quality and the Biolog system were evaluated to compare their response to biological, chemical, and physical habitat indicators of stream condition both within the state of Oregon and among ecoregion aggregates (Coast Range, Willamette Valley, Cascades, and eastern Oregon). Forty-three randomly selected Oregon river sites were sampled during the summer in 1997 and 1998. The public health indicators included heterotrophic plate counts (HPC), total coliforms (TC), fecal coliforms (FC) and Escherichia coli (EC). Statewide, HPC correlated strongly with physical habitat (elevation, riparian complexity, % canopy presence, and indices of agriculture, pavement, road, pasture, and total disturbance) and chemistry (pH, dissolved O2, specific conductance, acid-neutralizing capacity, dissolved organic carbon, total N, total P, SiO2, and SO4). FC and EC were significantly correlated generally with the river chemistry indicators. TC bacteria significantly correlated with riparian complexity, road disturbance, dissolved O2, and SiO2 and FC. Analyzing the sites by ecoregion, eastern Oregon was characterized by high HPC, FC, EC, nutrient loads, and indices of human disturban...Continue Reading

Citations

Feb 3, 2009·Environmental Monitoring and Assessment·Soroj Kumar ChatterjeeGoutam Chandra
Mar 23, 2011·Arhiv za higijenu rada i toksikologiju·Zivorad VukovićSrboljub Stanković
May 27, 2006·Journal of Microbiological Methods·Caragwen L BrackenAnna K Harding
Dec 9, 2010·International Journal of Environmental Research and Public Health·João P S Cabral
Jul 18, 2019·Journal of Water and Health·Ntombie Thandazile MhlongoTimothy Sibanda
Jun 10, 2016·Journal of Water and Health·A A Al-GheethiM K Amir Hashim
Mar 30, 2018·Frontiers in Microbiology·Andrew K LeightRaleigh R Hood

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