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Calibration of the Multivariate AZTI Marine Biotic Index (M-AMBI) for Potential Inclusion into California Sediment Quality Objective Assessments in San Francisco Bay

David J. Gillett, Ashley N. Parks, Steven M. Bay, Southern California Coastal Water Research Project (SCCRWP) | April 30th, 2019

Benthic infauna are the most common faunal assemblage used to assess habitat quality across the globe as they demonstrate relatively predictable community-scale changes in both structure and function when exposed to stress. Due to these characteristics, benthic infauna are used as one of three lines of evidence in California’s Sediment Quality Objectives (CASQO) to assess the impact of toxic chemicals to biotic resources in the State’s enclosed bays and estuaries. The changes in benthic community composition related to disturbance are quantified using benthic assessment indices. 


benthic macroinvertebrates, monitoring, Sacramento–San Joaquin Delta, sediment, water quality

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