Spatial, temporal, and size-specific variation in mortality estimates of red abalone, Haliotis rufescens, from mark-recapture data in California

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Leaf, R. T., Rogers-Bennett, L., & Haaker, P. L. (2007). Spatial, temporal, and size-specific variation in mortality estimates of red abalone, Haliotis rufescens, from mark-recapture data in California. Fisheries Research, 83(2), 341-350. doi:10.1016/j.fishres.2006.10.017
Metadata
TitleSpatial, temporal, and size-specific variation in mortality estimates of red abalone, Haliotis rufescens, from mark-recapture data in California
AuthorsR. Leaf, L. Rogers-Bennett, P. Haaker
AbstractEstimates of size-specific mortality were made for red abalone, Haliotis rufescens, from mark-recapture data for three size classes at six sites in California. Instantaneous mortality for the smallest size class (≤100 mm) was 0.67 y-1 (0.52-0.84 y-1, mean ± S.E.) to 1.02 y-1 (0.84-1.24 y-1, mean ± S.E.) and decreased with increasing size in both northern and southern California. Mortality was spatially variable for legal size abalone (>178 mm), 0.05 y-1 (0.0-0.14 y-1, mean ± S.E.) to 1.35 y-1 (1.17-1.56 y-1, mean ± S.E.) in northern California and varied temporally in southern California, 0.27 y-1 (0.15-0.42 y-1, mean ± S.E.) to 0.89 y-1 (0.73-1.08 y-1, mean ± S.E.). Estimates of fishing mortality were 0.97 y-1 (±0.21S.E.) and 1.29 y-1 (±0.17S.E.) at two sites in northern California. Understanding the spatial and temporal dynamics of mortality estimates is critical for fishery management and conservation. © 2006 Elsevier B.V. All rights reserved.
JournalFisheries Research
Date2007
Volume83
Issue2-3
Start page341
End page350
ISSN0165-7836
Subjectsfishery management, fishing mortality, mark-recapture method, size structure, snail, spatial variation, temporal variation, California, North America, United States, Haliotis corrugata, Haliotis rufescens
NoteCited By (since 1996):14, Invertebrates, CODEN: FISRD

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