DISTRIBUTION, ABUNDANCE, AND RECRUITMENT OF SOFT-BOTTOM ROCKFISHES (SCORPAENIDAE: SEBASTES) ON THE SOUTHERN CALIFORNIA MAINLAND SHELF'
作者： Marjorie J. Sherwood , Michael D. Moore , M. James Allen , Alan J. Mearns
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摘要: Data from nearly 400 small-mesh otter trawls taken throughout the southern California borderland between 1969 and 1979 were examined to reveal spatial temporal patterns in abundance distribution of rockfishes. Rockfishes common all samples 15 450 m. Predictably, species composition changed with depth. Catches numerically dominated by either Sebastes saxicola (from 1971-75) or S. dalli 1975-79) on mainland shelf south Point Dume inshore 60 m; variability recruitment young these was major source seasonal year-to-year fluctuations rockfish catches. These variations related changing oceanographic conditions.
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