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 30th, 2018


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

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 14th, 2005


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

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

California State Water Resources Control Board | December 1st, 2008


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

Assessing the Health of Southern California Streams

California State Water Resources Control Board | April 14th, 2011


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

Assessment of the condition of Southern California depressional wetlands

California State Water Resources Control Board | April 18th, 2016


Application of Macroinvertebrate, Diatom and Overall Condition Indices for Assessing Southern California Depressional Wetlands Depressional wetlands are the most abund

Benthic Invertebrate and Deposited Sediment TMDL Guidance for the Pajaro River Watershed

California State Water Resources Control Board | March 1st, 2016


The Pajaro River and its tributaries are exposed to sediments from a variety of sources. To establish limits for regulating this pollutant, it is necessary to u

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

California State Water Resources Control Board | August 22nd, 2014


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

Biology-based Stressor Thresholds

California State Water Resources Control Board | October 1st, 2011


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

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 16th, 2006


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

Comparisons of Targeted-riffle and Reach-wide Benthic Macroinvertebrate Samples: Implications for Data Sharing in Stream-condition Assessments

Journal of the North American Benthological Society | January 1st, 2007


Recent comparisons of benthic macroinvertebrate (BMI) sampling protocols have shown that samples collected from different habitat types generally produce consis

Filter Results






Hydrological Region