bioassessment

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  • A comparison of the taxonomic and trait structure of macroinvertebrate communities between the riffles and pools of montane headwater streams

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    A comparison of the taxonomic and trait structure of macroinvertebrate communities between the riffles and pools of montane headwater streams

    Hydrobiologica, Springer International Publishing | May 30, 2018...
    Summary

    Macroinvertebrate community taxonomic and trait structure showed consistent differences between riffles and pools across 12 headwater streams in the Sierra Nevada (California) even...

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  • Adaptation of a reference site selection methodology to creeks and sloughs of California’s Sacramento Valley and alternative strategies for developing a regional bioassessment framework

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    Adaptation of a reference site selection methodology to creeks and sloughs of California’s Sacramento Valley and alternative strategies for developing a regional bioassessment framework

    Central Valley Regional Water Quality Control Board | November 14, 2005...
    Summary

    Bioassessment has shown significant promise as an effective tool for ambient water quality management in many regions of California. However, the scale and...

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  • An Index of Biotic Integrity (IBI) for Perennial Streams in California’s Central Valley

    An Index of Biotic Integrity (IBI) for Perennial Streams in California’s Central Valley

    California State Water Resources Control Board | December 1, 2008...
    Summary

    Bioassessment is the science of using aquatic organisms as indicators of ecological condition in streams in rivers. Many types of organisms can be...

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  • Assessing the Health of Southern California Streams

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    Assessing the Health of Southern California Streams

    California State Water Resources Control Board | April 14, 2011...
    Summary

    There are over 4,200 miles of perennial streams in the coastal watersheds of Southern California. Effective protection and management of these resources require...

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  • Assessment of the condition of Southern California depressional wetlands

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    Assessment of the condition of Southern California depressional wetlands

    California State Water Resources Control Board | January 1, 1970...
    Summary

    Application of Macroinvertebrate, Diatom and Overall Condition Indices for Assessing Southern California Depressional Wetlands Depressional wetlands are the most abundant, yet most threatened...

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  • Biological Condition of Non-Perennial Streams and Spring-Fed Oases in the Colorado River Basin Region

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    Biological Condition of Non-Perennial Streams and Spring-Fed Oases in the Colorado River Basin Region

    State Water Resources Control Board | August 22, 2014...
    Summary

    The Colorado River Basin Regional Water Board conducted bioassessment sampling at high-quality (i.e., “reference”) streams in their region during 2013-2015. The purpose of...

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  • Biology-based Stressor Thresholds

    Biology-based Stressor Thresholds

    California State Water Resources Control Board, Non-point Source Program | October 1, 2011...
    Summary

    The objective of this memo is to describe how biological assessment data (such as those collected using Surface Water Ambient Monitoring Program (SWAMP)...

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  • Comparison of the Performance of Different Bioassessment Methods: Similar Evaluations of Biotic Integrity from Separate Programs and Procedures

    Comparison of the Performance of Different Bioassessment Methods: Similar Evaluations of Biotic Integrity from Separate Programs and Procedures

    Journal of the North American Benthological Society | January 16, 2006...
    Summary

    Regional bioassessment programs of states, various federal agencies, and other governmental and private groups often use different methods to collect and analyze stream...

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  • Development of Recommended Flow Targets to Support Biological Integrity Based on Regional Flow-ecology Relationships for Benthic Macroinvertebrates in Southern California Streams

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    Development of Recommended Flow Targets to Support Biological Integrity Based on Regional Flow-ecology Relationships for Benthic Macroinvertebrates in Southern California Streams

    Southern California Coastal Water Research Project | March 23, 2017...
    Summary

    Changes to instream flow are known to be one of the major factors that affect the health of biological communities. Regulatory, monitoring, and...

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  • Ecological Condition Assessments of California’s Perennial Wadeable Streams (2000 through 2006)

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    Ecological Condition Assessments of California’s Perennial Wadeable Streams (2000 through 2006)

    California State Water Resources Control Board | October 15, 2007...
    Summary

    The struggle to adequately monitor the condition of waterbodies with limited financial resources is a challenge faced by water resource agencies worldwide. For...

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  • Ecological Condition Assessments of California’s Perennial Wadeable Streams: Highlights from the Surface Water Ambient Monitoring Program’s Perennial Streams Assessment (PSA ) (2000-2007)

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    Ecological Condition Assessments of California’s Perennial Wadeable Streams: Highlights from the Surface Water Ambient Monitoring Program’s Perennial Streams Assessment (PSA ) (2000-2007)

    California State Water Resources Control Board | October 1, 2011...
    Summary

    Since 2000, California has conducted three successive probability surveys of its perennial streams and rivers, each with a focus on biological endpoints. These...

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  • Effects of wildfire on benthic macroinvertebrate assemblages in Southern California streams and implications for bioassessment monitoring programs

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    Effects of wildfire on benthic macroinvertebrate assemblages in Southern California streams and implications for bioassessment monitoring programs

    California State Water Resources Control Board | June 13, 2012...
    Summary

    Wildfires are common in arid regions of southern California, sometimes burning as much as half a million acres in a season. These fires...

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  • Evaluation of the California State Water Resource Control Board’s Bioassessment Program

    Evaluation of the California State Water Resource Control Board’s Bioassessment Program

    California State Water Resources Control Board | May 15, 2009...
    Summary

    The State of California’s bioassessment, monitoring and assessment (M&A), and water quality standards (WQS) programs were reviewed in January 2008 using the U.S....

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  • Final Technical Report #1: Condition Assessment of Coastal Streams in Southern and Central California

    Final Technical Report #1: Condition Assessment of Coastal Streams in Southern and Central California

    California Department of Fish and Game, California Department of Fish and Wildlife | July 1, 2004...
    Summary

    Historical assessments of stream condition have usually focused on describing the chemical quality of streams. As we have made progress in controlling chemical problems it...

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  • Incorporating Bioassessment Using Freshwater Algae into California’s Surface Water Ambient Monitoring Program (SWAMP)

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    Incorporating Bioassessment Using Freshwater Algae into California’s Surface Water Ambient Monitoring Program (SWAMP)

    California State Water Resources Control Board | June 3, 2008...
    Summary

    This document was written to assist California’s State Water Resources Control Board (SWRCB) with incorporating algae into the bioassessment toolbox of the Surface...

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  • Probabilistic Assessment of the Biotic Condition of Perennial Streams and Rivers in California

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    Probabilistic Assessment of the Biotic Condition of Perennial Streams and Rivers in California

    Central Valley Regional Water Quality Control Board | August 22, 2006...
    Summary

    States are required under the Clean Water Act §305(b) to report annually to Congress on the condition of their waterbodies, but satisfaction of...

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  • Recommendations for the Development and Maintenance of a Reference Condition Management Program (RCMP) to Support Biological Assessment of California’s Wadeable Streams

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    Recommendations for the Development and Maintenance of a Reference Condition Management Program (RCMP) to Support Biological Assessment of California’s Wadeable Streams

    State Water Resources Control Board | March 26, 2009...
    Summary

    Direct measures of the ecological condition of waterbodies have received a recent surge in interest within California’s water quality management and regulatory programs...

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  • The California Stream Condition Index (CSCI): A New Statewide Biological Scoring Tool for Assessing the Health of Freshwater Streams

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    The California Stream Condition Index (CSCI): A New Statewide Biological Scoring Tool for Assessing the Health of Freshwater Streams

    California State Water Resources Control Board | October 19, 2015...
    Summary

    California’s dramatic environmental diversity supports a broad array of natural stream types throughout the state. Bioassessment of freshwater stream and rivers is especially...

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  • Using Multiple Biological and Habitat Condition Indices for Bioassessment of California Streams

    Using Multiple Biological and Habitat Condition Indices for Bioassessment of California Streams

    California State Water Resources Control Board | July 1, 2016...
    Summary

    A long-term goal of the SWAMP bioassessment program has been to use multiple indices of ecological condition in conjunction to produce more complete...

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