Development and Application of an Assessment Protocol for Watershed Based Biomonitoring

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With numerous bioassessment methodologies available, a regional protocol needs to be developed to ensure that results are comparable. A regional assessment protocol was developed that includes collecting five benthic macroinvertebrate samples, identifying organisms to genus, and calculating the following metrics: Number of Taxa, Total Number of Individuals, Simpson's Diversity Index, Shannon's Diversity Index, Percent Contribution of Dominant Taxa, Hilsenhoffs Biotic Index, and Percent Contribution of Dipterans. Once the protocol was developed, it was used to assess the Bayou Chico tributaries and watershed. All three tributaries had been significantly impacted by human activity as had the watershed as a whole. This ... continued below

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v, 86 leaves : ill., maps

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Schwartz, Joseph Howard May 1998.

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  • Schwartz, Joseph Howard

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With numerous bioassessment methodologies available, a regional protocol needs to be developed to ensure that results are comparable. A regional assessment protocol was developed that includes collecting five benthic macroinvertebrate samples, identifying organisms to genus, and calculating the following metrics: Number of Taxa, Total Number of Individuals, Simpson's Diversity Index, Shannon's Diversity Index, Percent Contribution of Dominant Taxa, Hilsenhoffs Biotic Index, and Percent Contribution of Dipterans. Once the protocol was developed, it was used to assess the Bayou Chico
tributaries and watershed. All three tributaries had been significantly impacted by human activity as had the watershed as a whole. This study indicates that a regional protocol could be developed and is appropriate for biomonitoring at the watershed scale.

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v, 86 leaves : ill., maps

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  • May 1998

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  • March 26, 2014, 9:30 a.m.

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  • Sept. 23, 2014, 12:34 p.m.

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Schwartz, Joseph Howard. Development and Application of an Assessment Protocol for Watershed Based Biomonitoring, thesis, May 1998; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc279219/: accessed September 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .