White croaker (Genyonemus lineatus family: Sciaenidae) are a benthic foraging fish associated with soft sediment and wastewater outfalls in Southern California. While they are used as a sentinel species due to their high organochlorine contaminant loads, little is known of their movements in relation to contaminated habitats. Acoustic telemetry was used to characterize the site fidelity, area use, and dispersal of 97 white croaker on the Palos Verdes Shelf, California. White croaker demonstrated generally low, but highly variable residency and recurrence to the Palos Verdes Shelf and exhibit nomadic movement patterns. Although the entire monitored shelf was visited by white croaker, habitats in proximity to wastewater outfalls and between 25–35 m depth were preferentially used. Approximately half of white croaker migrated into Los Angeles Harbor. These data are vital for understanding organochlorine contaminant exposure for planning future remediation and monitoring.
|Advisor:||Lowe, Christopher G.|
|School:||California State University, Long Beach|
|School Location:||United States -- California|
|Source:||MAI 52/05M(E), Masters Abstracts International|
|Subjects:||Ecology, Zoology, Aquatic sciences|
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