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Sediment Chemistry, Toxicity, and Benthic Community Conditions in Selected Water Bodies of the Santa Ana Region

机译:圣安娜地区选定水体的沉积物化学,毒性和底栖生物条件

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The following report describes and evaluates chemical and biological data collected from the Santa Ana Region between September 1992 and August 1997. The study was conducted as partof the Bay Protection and Toxic Cleanup Program, a legislatively mandated program designed toassess the degree of chemical pollution and associated biological effects in California's bays andestuaries. The workplan for this study resulted from a cooperative agreement between the State Water Resources Control Board (SWRCB) and the National Oceanic and Atmospheric Administration (NOAA). Monitoring and reporting aspects of the study were conducted by the Environmental Services Division, of the California Department of Fish and Game, and its subcontractors. Using a weight-of-evidence approach, various components of the Sediment Quality Triad were measured at 96 stations to determine the relative degradation in selected Southern Californiawater bodies. All stations received toxicity analyses, 57 stations received sediment chemistry analyses, and 37 stations received benthic analyses. The Santa Ana Region (Region 8) wasdivided into three distinct water bodies to aid in data interpretation. Multiple stations were sampled from 12 sites in Anaheim Bay, 8 sites in Huntington Harbor and 22 sites in Newport Bay.

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