Home ranging behavior, degree of site fidelity, habitat selection, and seasonal spawning migration of barred sand bass (Paralabrax nebulifer Family: Serranidae [BSB]) caught within the Palos Verdes Shelf Superfund Site (PVSSS) were observed over 27 months with one of the largest continuous coverage fine-scale acoustic telemetry arrays used at the time of the study (∼20 km2). Fifty-five tagged individuals used small core areas (mean ± SD = 2682 ± 2005 m2) and showed high affinity for rock/sand ecotones with 84.1% of rendered positions occurring between 20-30 m. Overall weekly site fidelity to the array ranged from 6% to 100% of tagged fish present (70 ± 25%) from the first tag date through the end of the study, with lower site fidelity during summer spawning season (June-August). Individuals leaving the array emigrated in a southeasterly direction 98% of the time, and 100% of the BSB detections outside the array occurred to the southeast of the PVSSS (26.4 ± 0.8 km). BSB of legal size (>360 mm) exhibit high long-term site fidelity to small areas within the PVSSS and make seasonal migrations to spawning aggregations beyond the boundaries of the "do not eat" zone defined by the Office of Environmental Health Hazard Assessment in 2009.
|Advisor:||Lowe, Christopher G.|
|Commitee:||Archie, James W., Jarvis, Erica T.|
|School:||California State University, Long Beach|
|School Location:||United States -- California|
|Source:||MAI 54/04M(E), Masters Abstracts International|
|Subjects:||Ecology, Behavioral Sciences|
|Keywords:||Acoustic telemetry, Barred sand bass, Home range, Migration, Paralabrax, Site fidelity|
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