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  • Fisheries  (345)
  • Ecology  (70)
  • Trachurus symmetricus  (25)
  • Inorganic Chemistry
  • Long Beach, CA  (248)
  • California Department of Fish and Game, Marine Resources Operations
  • 101
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/11 | 8 | 2011-09-29 22:40:57 | 11 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: The objectives of our fish and bivalve study are:1. Determine changes in the number of species of fishand bivalves before Phase I and during Phase I atBolsa Chica Marsh.2. Determine if California Department of Fish and Game'spredicted benefits in Phase I were achieved by increasesin fish species.3. Determine influences of water management practicesupon fish and bivalve composition.Nine species of fish and three species of bivalves werecollected above the tide gates. Goldfish, Carassius auratus;shiner surfperch, Cymatogaster aggregata; queenfish, Seriphus politus; and California jackknife clam, Tagelus californianus have not been reported previously from above the tide gates. Five species of fish and four species of bivalves were collected below the tide gates. Striped bass, Roccus saxatilis; and cheekspot goby, Ilypnus gilberti have not been reported previously from below the tide gates. (8pp.)
    Keywords: Ecology ; Fisheries ; Biology ; Bolsa Chica Marsh ; fish ; bivalves ; California
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  • 102
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/13 | 8 | 2011-09-29 22:41:07 | 13 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: The objectives of our fish and bivalve study are:1. Determine changes in the number of species of fishand bivalves before Phase I and during Phase 1 atBolsa Chica Marsh.2. Determine if California Department of Fish and Game'spredicted benefits in Phase I were achieved by increasesin fish species.3. Determine influences of water management practicesupon fish and bivalve composition.Thirteen species of fish and five species of bivalveswere collected from Inner Bolsa Bay and South Bolsa Slough.Deepbody anchovy, Anchoa compressa; jacksmelt, Atherinopsiscaliforniensis; longjaw mudsucker, Gillichthys mirabilis;specklefin midshipman, Porichthys myriaster; round stingray,Urolophus halleri; banded chione, Chione californiensis;bentnose clam, Macoma nasuta; and common littleneck clam,Protothaca staminea have not been reported previously fromInner Bolsa Bay. Nine species of fish and four species ofbivalves were collected from outer Bolsa Bay. Yellowfin goby, Acanthogobius flavimanus; longjaw mudsucker; tilapia, Tilapia mossambica; and bay pipefish, Syngnathus leptorhynchus have not been reported previously from Outer Bolsa Bay. (11pp.)
    Keywords: Ecology ; Fisheries ; Biology ; Bolsa Chica Marsh ; fish ; bivalves
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  • 103
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/17 | 8 | 2011-09-29 22:41:25 | 17 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: Despite efforts to manage it, the California barracuda,Sphyraena argentea, resource has exhibited a marked declinein abundance from levels exhibited prior to 1950. This paperpresents a history of the California barracuda fisheries, asummary of its life history and population dynamics; and anevaluation of the resource under current management practices and recommendations for improvements in current management.Evaluation of the current status of the resource indicatesits abundance off southern California is low but slowlyimproving with a marked improvement in size composition.Management recommendations, when adopted, should help increase the rate of recovery of the California barracuda resource. (73pp.)
    Keywords: Management ; Fisheries ; Biology ; California barracuda ; Sphyraena argentea ; fisheries ; California
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  • 104
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/16 | 8 | 2011-09-29 22:41:21 | 16 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: Previous studies suggest that ocean anglers are unableto identify many common marine fishes and that they frequently use nondesignated common names for those fisheswith which they are familiar.This paper discusses the ability of the anglers andcrew aboard commercial passenger fishing vessels (CPFV) toidentify 22 fishes caught off southern California and relates this ability to fishing experience and frequency. Implications to resource management are also discussed.Most CPFV anglers were inexperienced and could identifyonly a few of the species. However, as experience increased,the scores improved. Vessel crew members scored higher thanthe most experienced anglers.The inability of anglers to identify marine fishes andthe widespread use of nondesignated and often confusingcommon names help to explain why some fishery managementregulations of the California Department of Fish and Gameare relatively ineffective. (37pp.)
    Keywords: Fisheries ; Biology ; Fish identification ; anglers ; recreational fishing
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  • 105
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/19 | 8 | 2011-09-29 22:41:33 | 19 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: A 1-yr. study was undertaken to devise a sampling programwhich would determine fishing catch and effort levels ofone segment of the southern California marine sportfishery. Personal interviews of fishermen were conductedat launch ramps, boat hoists, and boat rental locationsfrom Santa Barbara County to the Mexican border. Thisreport presents quantitative data and statisticalestimates of effort, total catch, catch of preferredsport fish species, and length frequencies of selectedspecies landed by private-boat sport fishermen.An estimated 55,000 anglers and 3,300 divers landed 182,000fishes, molluscs, and crustaceans. The major componentsof the catch were 1) rockfishes, Sebastes spp., 73,000landed; 2) white croaker, Genyonemus lineatus, 28,000landed; 3) bass, Paralabrax spp., 15,000 landed; and4) Pacific bonito, Sarda chiliensis, 12,000 landed. (22pp.)
    Keywords: Management ; Fisheries
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  • 106
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/18 | 8 | 2011-09-29 22:41:28 | 18 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: A 1-yr. study was undertaken to devise a sampling programwhich would determine fishing catch and effort levels ofone segment of the southern California marine sportfishery. Personal interviews of fishermen were conductedat launch ramps, boat hoists, and boat rental locationsfrom Santa Barbara County to the Mexican border. Thisreport presents quantitative data and statistical estimatesof effort, total catch, catch of preferred sport fishspecies, and length frequencies of selected specieslanded by private-boat sport fishermen.An estimated 102,000 anglers and 3,700 divers landed 275,000fishes, molluscs, and crustaceans. The major componentsof the catch were 1) white croaker, Genyonemus lineatus,85,000 landed; 2) bass, Paralabrax spp., 48,000 landed; and3) Pacific bonito, Sarda chiliensis, 42,000 landed. (22pp.)
    Keywords: Management ; Fisheries
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  • 107
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/10 | 8 | 2011-09-29 22:40:55 | 10 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: Anglers frequently violate sport fishing regulations out ofignorance, by mistake, or by deliberate action. To determinewhether unfamiliarity with the regulations plays a major part in this problem, we asked anglers on privately-owned,trailerable boats at launch ramps and boat hoists a series of questions which tested their knowledge of the regulations.We found that on any winter weekend about 30% of the anglerson private-boats knew none of the size limits, 50% knew atleast three of the six size limits, and 4% knew all of thesize limits. Only about 25% of the anglers kept a copy ofthe regulations on their boats for reference when fishing.The results of the survey indicate that greater effort mustbe expended to familiarize sport fishermen with the fishingregulations. (9pp.)
    Keywords: Management ; Fisheries ; recreational fishing ; fish size ; anglers ; regulations
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  • 108
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/20 | 8 | 2011-09-29 22:41:36 | 20 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: A 1-yr. study was undertaken to devise a sampling programwhich would determine fishing catch and effort levels ofone segment of the southern California marine sportfishery. Personal interviews of fishermen were conductedat launch ramps, boat hoists, and boat rental locationsfrom Santa Barbara County to the Mexican border. Thisreport presents quantitative data and statisticalestimates of effort, total catch, catch of preferredsport fish species, and length frequencies of selectedspecies landed by private-boat sport fishermen.An estimated 107,000 anglers and 5,300 divers landed 307,000fishes, molluscs, and crustaceans. The major componentsof the catch were 1) white croaker, Genyonemus lineatus,87,000 landed; 2) bass, Paralabrax spp., 30,000 landed; and3) Pacific mackerel, Scomber japonicus, 21,000 landed. (24pp.)
    Keywords: Management ; Fisheries
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  • 109
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/22 | 8 | 2011-09-29 22:41:59 | 22 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: State law requires that the population of Pacificsardines, Sardinops sagax caeruleus, must reach aminimum spawning biomass of 20,O0O short tons beforeinitiation of a fishery. Data from ichthyoplanktonsurveys, the anchovy live bait fishery, sea surveycruises, and the jack mackerel purse seine fisheryare analyzed for evidence of an increase inpopulation size. Presently, the spawning biomassof the northern stock of sardines remains far below20,000 tons. (9pp.)
    Keywords: Fisheries ; Biology
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  • 110
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/45 | 8 | 2021-02-27 19:34:29 | 45 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: During the October 1 - December 31, 1977 quarter, 28launch ramps, hoists, and boat rental locations weresampled a total of 294 times. During the sample days11,942 anglers and 1,025 divers were interviewed.They expended 83,882 effort-hours and landed 36,741fishes and other organisms of 163 identified species.The ten most commonly landed species were 1) Pacificmackerel, Scomber japonicus, 16%; 2) white croaker,Genyonemus lineatus, 16%; 3) olive rockfish, Sebastesserranoides, 6%; 4) blue rockfish, S. mystinus, 4%;5) halfmoon, Medialuna californiensis, 4%; 6) Pacificbonito, Sarda chiliensis, 3%; 7) rock scallop,Hinnites multirugosus, 2%; 8) chilipepper, Sebastesgoodei, 2%; 9) greenspotted rockfish, S. chlorostictus,2%; and 10) kelp bass, Paralabrax clathratus, 2%. (25pp.)
    Keywords: Management ; Fisheries ; Biology
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  • 111
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/47 | 8 | 2011-09-29 22:38:45 | 47 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: Between October 1 and December 31, 1978, Departmental personnel sampled catches during 132 trips aboard commercial passenger fishing vessels (partyboats) operating in southern California. A total of 25,571 fishes belonging to 87 species were identified and measured.In addition, six long-range trips originating in San Diego and fishing in Mexican waters were sampled. A total of 1,225 fishes comprising 20 species was identified and measured at dockside from these vessels.The 10 most commonly taken species during the quarter accounted for 76.3% of the southern California catch. The most frequently sampled species were bocaccio, Sebastes paucispinis (24.7%); Pacific mackerel, Scomber japonicus (15.8%); chilipepper, Sebastes goodei (8.7%); kelp bass, Paralabrax clathratus (7.4%); Pacific bonito, Sarda chiliensis (5.7%); olive rockfish, Sebastes serranoides (4.1%); blue rockfish, S. mystinus (4.0%); squarespot rockfish, S. hopkinsi (2.1%); greenspotted rockfish, S. chlorostictus (2.l%); and vermilion rockfish, S. miniatus (1.9%). Samples gathered from long-range trips showed thetop five species accounted for 90.4% of the fishes sampled. The most frequently sampled species were yellowtail, Seriola lalandi (28.8%); yellowfin tuna, Thunnus albacares (20.7%); wahoo, Acanthocybiumsolanderi (16.2%); snowy grouper, Epinephelus niveatus (12.4%); and dolphinfish, Coryphaena hippurus (12.3%).December marked the final month in which partyboats were sampled off southern California. (69pp.)
    Keywords: Management ; Fisheries
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  • 112
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/48 | 8 | 2011-09-29 22:38:50 | 48 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: For the second consecutive year, a program of randomfield sampling of anglers and divers fishing fromprivately owned boats was conducted at southernCalifornia launch ramps, hoists, and boat rentalfacilities. This study presents quantitative dataand statistical estimates of effort, total catch,catch of preferred sport fish species, and lengthfrequencies of particular species landed by privateboat sport fishermen. An assessment of sportfishermen's compliance with current fishingregulations is also included.Catch composition and effort levels variedconsiderably among the five counties sampled,reflecting differences in water temperature,offshore habitat, and preferences for particularspecies by local fishermen. A comparison of thisyear's results with those of last year showed thatalthough catch rates for some species were similarboth years, others diverged considerably. (84pp.)
    Keywords: Management ; Fisheries
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  • 113
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/54 | 8 | 2011-09-29 22:39:23 | 54 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: For the third consecutive year a program of random fieldsampling of anglers and divers fishing from privatelyowned boats was conducted at southern California launchramps, hoists, and boat rental facilities. This studypresents quantitative data and statistical estimates ofeffort, total catch, catch of preferred sport fishspecies, and length frequencies of particular specieslanded by private boat sport fishermen. An assessment ofsport fishermen's compliance with current fishingregulations is included along with an estimate of thenumber of anglers who returned empty-handed.Catch composition and effort levels varied considerablyamong the five counties sampled, reflecting differencesin water temperature, offshore habitat, and preferencesfor particular species by local fishermen. A comparisonof this year's results with those of last year showedthat angler effort dropped 16% and angler catch dropped15%, while diver effort and catch dropped 18% and 9%respectively. This reduction is attributed to the recordamounts of rainfall in southern California which severelycurtailed fishing activity during four months of the year. (105pp.)
    Keywords: Management ; Fisheries
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  • 114
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/52 | 8 | 2011-09-29 22:39:18 | 52 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: A 1-yr study was undertaken to devise a sampling programwhich would determine fishing catch and effort levels ofone segment of the southern California marine sportfishery. Personal interviews of fishermen were conductedat launch ramps, boat hoists, and boat rental locationsfrom Santa Barbara County to the Mexican border. Thisreport presents quantitative data and statisticalestimates of effort, total catch, catch of preferredsport fish species, and length frequencies of selectedspecies landed by private-boat sport fishermen.An estimated 52,000 anglers and 4,300 divers landed179,000 fishes, molluscs, and crustaceans. The majorcomponents of the catch were 1) rockfishes, Sebastes spp.,68,000 landed; 2) white croaker, Genyonemus lineatus,38,000 landed; and 3) bass, Paralabrax spp., 13,000landed. (21pp.)
    Keywords: Management ; Fisheries
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  • 115
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/55 | 8 | 2011-09-29 22:39:37 | 55 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: During the April 1 - June 30, 1978 quarter, 29 launchramps, hoists, and boat rental locations weresampled a total of 307 times. During the sample days15,220 anglers and 685 divers were interviewed. Theyexpended 107,738 effort-hours and landed 38,132 fishesand other organisms of 146 identified species.The ten most commonly landed species were 1) whitecroaker, Genyonemus lineatus, 30%; 2) Pacific mackerel,Scomber japonicus, 11%; 3) kelp bass, Paralabraxclathratus, 9%; 4) barred sand bass, P. nebulifer, 4%;5) blue rockfish, Sebastes mystinus, 2%; 6) bocaccio,S. paucispinis, 2%; 7) olive rockfish, S. serranoides,2%; 8) brown rockfish, S. auriculatus, 2%; 9) Pacificsanddab, Citharichthys sordidus, 2%; and 10) blacksurfperch, Embiotoca jacksoni, 2%. (26pp.)
    Keywords: Management ; Fisheries
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  • 116
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/58 | 8 | 2011-09-29 13:04:36 | 58 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: State law requires that the population ofPacific sardines, Sardinops sajax caeruleus,must reach a minimum spawning biomass of20,000 short tons before initiation of afishery. Data from ichthyoplankton surveys,sea survey cruises, the anchovy bait fishery,and jack mackerel purse seine fishery areanalyzed for evidence of an increase inpopulation size. Presently, the spawningbiomass of the northern stock of sardines isfar below the minimum requirement. (8pp.)
    Keywords: Fisheries ; Biology ; Pacific sardines ; Sardinops sajax caeruleus
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  • 117
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/56 | 8 | 2011-09-29 22:39:39 | 56 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: From January 1 through March 31, 1978, Departmentalpersonnel sampled catches from 141 trips while aboard commercial passenger fishing vessels operating in southern California. A total of 25,339 fishes belonging to 88 species were identified and measured. Otoliths for age determination studies were removed from 247 rockfish carcasses representing 22 species. Additionally, nine long-range trips originating in San Diego and fishing in Mexican waters were sampled. A total of 1,518 fishes representing 24 species was identified and measured at dockside from these vessels. The 10 most commonly taken species during the quarteraccounted for 68.1% of the southern California catch.The most frequently sampled species of bocaccio, Sebastespaucispinis (21.1%); chilipepper, S. goodei (16.5%); Pacific mackerel, Scomber japonicus (8.7%); blue rockfish, Sebastes mystinus (6.0%); kelp bass, Paralabrax clathratus ( 5.2%); vermilion rockfish, S. miniatus (3.7%); squarespot rockfish, S. hopkinsi (3.2%); greenspotted rockfish, S. chlorostictus (2.9%); olive rockfish, S. serranoides (2.8%); and whitecroaker, Genyonemus lineatus (2.6%). Samples gathered fromlong-range trips showed the top five species accounted for83.8% of the fish sampled. The most frequently sampled species were wahoo, Acanthocybium solanderi (28.6%);yellowfin tuna, Thunnus albacares (23.7%); yellowtail, Seriola dorsalis (18.6%); leopard grouper, Mycteroperca rosacea (6.2%); and gulf grouper, M. jordani (3.8%). (55pp.)
    Keywords: Management ; Fisheries
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  • 118
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/61 | 8 | 2011-09-29 22:38:37 | 61 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: Three methods were used to determine the Pacific mackerelpopulation. The tag and recovery method estimated thepopulation at 620 short tons. The other two estimateswere based on regression techniques of partyboat catchesand these results yielded 2,921 tons and 1,385 tons,respectively. All three estimates were below the 10,000tons prescribed for a fishery and thus no harvest couldbe allowed. (14pp.)
    Keywords: Fisheries ; Biology ; Scomber japonicus ; Pacific mackerel ; population estimates
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  • 119
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/53 | 8 | 2011-09-29 22:39:20 | 53 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: The catch landed and effort expended by private-boatsport fishermen were studied from July, 1975 throughJune, 1976, in order to determine the magnitude andimpact of one segment of the marine sport fishery insouthern California. Fishermen returning from afishing trip were interviewed at launch ramps, boathoists, and boat rental locations from Pt. Conceptionto the Mexican border. This report presentsquantitative data and statistical estimates of totaleffort, total catch, catch of preferred sport fishspecies, and length-frequencies of size-regulatedspecies.An estimated 944,000 organisms were landed by 315,000anglers and 16,500 divers. A large variety of specieswas landed, but six species contributed over one-halfof the catch. Divers landed very few sublegalorganisms, but anglers took large numbers of sublegalsize fish. Continuance of this study will be necessaryto show changes in fish availability, fishing pressure,and compliance with fishing regulations. (64pp.)
    Keywords: Management ; Fisheries
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  • 120
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/62 | 8 | 2011-09-29 13:04:16 | 62 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: The sampling plan applied to the northern anchovy, Engraulis mordax, reduction fishery catch was reviewed to determine the effects on age composition estimates which would be caused by decreasing the sample size per stratum of catch. Age composition estimates for samples of 5, 10, and 15 per stratum were computer calculated using the sampling plan program and then compared with estimates for the standard sample of 30 from the same strata. As the sample size decreased the variances of the age composition statistics greatly increased. Errors were detected in the computer program and the variance equation have been corrected. (30pp.)
    Keywords: Management ; Fisheries ; Biology ; Northern anchovy ; Engraulis mordax
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  • 121
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/66 | 8 | 2011-09-29 13:04:02 | 66 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: Between July 1 and September 30, 1977, Departmentalpersonnel sampled catches during 184 trips aboard commercial passenger fishing vessels operating in southernCalifornia. A total of 28,617 fishes belonging to 89species was identified and measured. Otoliths for agedetermination studies were removed from 222 rockfishcarcasses representing 20 species.The 10 most commonly sampled species during thequarter accounted for 82.9% of the catch. The most frequently sampled fishes were kelp bass, Paralabraxclathratus (18.9%); Pacific mackerel, Scomber japonicus(17.6%); olive rockfish, Sebastes serranoides (15.5%);blue rockfish, S. mystinus (8.7%); barred sand bass, P.nebulifer (8.6%); California barracuda, Sphyraenaargentea (4.9%); sculpin, Scorpaena guttata (2.4%);bocaccio, S. paucispinis (2.3%); white croaker, Genyonemuslineatus (2.1%); and squarespot rockfish, S. hopkinsi (1.8%).Partyboat activity continued to center on surfacefishing. (33pp.)
    Keywords: Management ; Fisheries ; Biology
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  • 122
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/67 | 8 | 2011-09-29 13:04:07 | 67 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: During the July 1 - September 30, 1977 quarter, 29launch ramps, hoists, and boat rental locationswere sampled 380 times. During the sample days25,256 anglers and 1,445 divers were interviewed.They expended 179,564 effort-hours and landed64,371 fishes, molluscs, crustaceans, echinoderms,and coelenterates of 179 identified species.The ten most commonly landed species were 1)white croaker, Genyonemus lineatus, 25%; 2)Pacific mackerel, Scomber japonicus, 8%; 3)olive rockfish, Sebastes serranoides, 7%; 4)kelp bass, Paralabrax clathratus, 6%; 5) blue rockfish, Sebastes mystinus, 3%; 6)barred sand bass, Paralabrax nebulifer, 3%; 7)brown rockfish, Sebastes auriculatus, 2%; 8)spotted sand bass, Paralabrax maculatofasciatus, 2%;9)grass rockfish, Sebastes rastrelliger, 2%; and10)queenfish, Seriphus politus, 2%. (28pp.)
    Keywords: Management ; Fisheries
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/70 | 8 | 2011-09-29 22:37:38 | 70 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: Fishermen on piers and privately-owned boats in southernCalifornia were surveyed to determine their ability toidentify (by common name) 18 of the more commonly caughtsportfish. Anglers were shown color photographs of the fishand asked to identify them. Most people were not able toidentify more than 5 or 6 species correctly. The numberof incorrect responses (calling one species by another'sname, or using a non-recommended common name) was nothigh. Instead, it was the level of non-response (thefisherman had no idea what the species was) that wassurprisingly high.The results of the survey indicate that anglers are notfamiliar with the names of the fish they are most likelyto catch. This has serious implications concerning ourfishery management programs which depend on anglers'compliance with fishing regulations. The effectivenessof the programs depends in part on anglers being ableto recognize regulated species when encountered. (30pp.)
    Keywords: Management ; Fisheries
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/69 | 8 | 2011-09-29 22:38:34 | 69 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: Between July 1 and September 30, 1978, Departmental personnel sampled catches during 185 trips aboard commercial passenger fishing vessels (partyboats) operating in southern California. A total of 35,984 fishes representing 98 species were identified and measured.Otoliths for age determination studies were removed from 285 rockfish carcasses representing 18 species. In addition, 10 long-range trips originating in San Diego and fishing in Mexican waters were sampled. A total of 957 fishes comprising 17 species were identified and measured at dockside from these vessels.The ten most commonly seen species during the quarter accounted for 83.5% of the southern California catch. The most frequently sampled species were Pacific mackerel, Scomber japonicus (26.5%); kelp bass, Paralabrax clathratus (20.5%); bocaccio, Sebastes paucispinis (8.2%); Pacific bonito, Sarda chiliensis (7.7%); barred sandbass, P. nebulifer (6.7%); olive rockfish, Sebastes serranoides (4.9%); white croaker, Genyonemus lineatus (2.9%); blue rockfish, S. mystinus (2.7%) ; chilipepper, S. goodei (1.8%); and albacore, Thunnus alalunga (1.7%). Data gathered from long-range vessels showed the top five species accounted for 92.6% of the fish sampled.The most frequently sampled species were yellowtail, Seriola dorsalis (61.5%); wahoo, Acanthocybium solanderi (11.7%); albacore (8.3%); yellowfin tuna, T. albacares (6.8%); and giant sea bass, Stereolepis gigas (4.4%). (59pp.)
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/73 | 8 | 2011-09-29 22:37:44 | 73 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: Between October 1 and December 31, 1977, Departmentalpersonnel sampled catches during 166 trips aboard commercialpassenger fishing vessels operating in southern California.A total of 27,468 fishes belonging to 101 species wereidentified and measured. Otoliths for age determinationstudies were removed from 263 rockfish carcasses representing 27 species. In addition, 37 long-range trips originating in San Diego and fishing in Mexican waters were sampled. A total of 7,204 fishes comprising 20 species was identified and measured at dockside from these vessels.The 10 most commonly taken species during the quarteraccounted for 74.3% of the southern California catch. Themost frequently sampled species were chilipepper, Sebastesgoodei (16.1%); Pacific mackerel, Scomber japonicus (15.4%) ; bocaccio, Sebastes paucispinis (10.1%); kelp bass, Paralabrax clathratus (7.8%); halfmoon, Medialuna californiensis (5.7%); olive rockfish, Sebastes serranoides (5.4%); blue rockfish, S. mystinus (4.4%); greenspotted rockfish, S. chlorostictus (3.4%); vermilion rockfish, S. miniatus (3.2%); and Pacific bonito, Sarda chiliensis (2.7%). Data gathered from long-range trips showed the top five species accounted for 88.8% of the fish sampled. The most frequently sampled species were yellowtail, Seriola dorsalis (31.0%); yellowfin tuna, Thunnus albacares (23.7%); dolphinfish, Coryphaena hippurus (18.6%); wahoo, Acanthocybium solanderi (10.0%); and snowy grouper, Epinephelus niveatus (5.6%). (67pp.)
    Keywords: Management ; Fisheries
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/75 | 8 | 2011-09-29 22:38:00 | 75 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: A Pismo clam, Tivela stultorum, survey was conductedin January 1977 on selected southern California beaches.Effort and catch information was collected through clammer interviews. Estimates for the two day survey were 1,596clammers spending 2,506 hours to take 6,139 clams. Comparisons were made between the 1977 survey results andprevious surveys.Clams were collected for length and age studies. Complianceto the 4.5-inch (114.3 mm) minimum size limit appeared to be good. (15pp.)
    Keywords: Fisheries ; Biology ; Pismo clam ; Tivela stultorum ; California
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/78 | 8 | 2011-09-29 22:38:14 | 78 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: Evaluation of the capture of California halibut in relation to Article 13 (Sections 8495, 8496,8497 and 8498) of the Fish and Game Code, shows that the regulation is doing its job. Nearly all undersized (less than 22 inches) juvenile halibut are escaping through the 7 1/2 inch mesh trawl cod end and retention of other fishesseldom approach the 226.8 kg (500 lb) limitimposed by regulation. (5pp.)
    Keywords: Management ; Fisheries ; California halibut ; Paralichthys californicus ; fisheries
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/72 | 8 | 2011-09-29 22:37:42 | 72 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: Between April 1 and June 30, 1978, Departmental personnelsampled catches during 148 trips aboard commercial passengerfishing vessels operating in southern California. A total of29,374 fishes representing 97 species were identified andmeasured. Otoliths for age determination studies were removed from 72 rockfish carcasses representing 11 species. In addition, nine long-range trips originating in San Diego and fishing in Mexican waters were sampled. A total of 1,190 fishes comprising 21 species was identified and measured at dockside from these vessels.The 10 most commonly taken species during the quarteraccounted for 76.9% of the southern California catch. The most frequently sampled species were kelp bass, Paralabrax clathratus (21.1%); bocaccio, Sebastes paucispinis (15.5%); Pacific mackerel, Scomber japonicus (13.1%); white croaker, Genyonemus lineatus (6.0%); chilipepper, Sebastes goodei (4.8%); California barracuda, Sphyraena argentea (4.5%); kelp rockfish, Sebastes atrovirens (3.6%); barred sand bass, P. nebulifer (3.2%); halfmoon, Medialuna californiensis (2.6%); and blue rockfish, S. mystinus (2.6%).Data gathered from long-range vessels fishing off Baja California showed the top five species accounted for 94.0% of the fish sampled. The most frequently sampled species were yellowfin tuna, Thunnus albacares (34.4%); yellowtail, Seriola dorsalis (28.7%); wahoo, Acanthocybium solanderi (22.9%); snowy grouper, Epinephelus niveatus (5.9%); and leather bass, E. dermatolepis (2.0%). (69pp.)
    Keywords: Management ; Fisheries
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/81 | 8 | 2011-09-29 22:38:19 | 81 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: During the April 1 - June 30, 1977 quarter, 28 launchramps, hoists, and boat rental locations were sampled300 times. During the sample days 17,354 anglers and853 divers were interviewed. They expended 120,065effort hours and landed 39,369 fishes of 152 identifiedspecies.The ten most commonly landed species were: 1) whitecroaker, Genyonemus lineatus, 25%; 2) Pacific bonito,Sarda chiliensis, 8%; 3) kelp bass, Paralabraxclathratus, 6%; 4) Pacific mackerel, Scomber japonicus,6%; 5) barred sand bass, Paralabrax nebulifer, 4%;6) olive rockfish, Sebastes serranoides, 3%; 7) copperrockfish, S. caurinus, 3%; 8 ) bocaccio, S. paucispinis,3%; 9). vermilion rockfish, S. miniatus, 2%; and 10)greenspotted rockfish, S. chlorostictus, 2%. (22pp.)
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/77 | 8 | 2011-09-29 22:38:07 | 77 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: In order to initiate a fishery for the Pacificsardine, Sardinops sagax caeruleus, it is required that the spawning biomass be determined to have reached a minimum of 20,000 short tons. Data from ichthyoplankton surveys, sea survey cruises, the anchovy bait fishery,and jack mackerel purse seine fishery are analyzed for evidence of an increase in population size. The present level of the spawning population of the northern stocks ofsardines is determined to be far below the 20,000 tons required to initiate a fishery. (8pp.)
    Keywords: Fisheries ; Biology ; Pacific sardine ; Sardinops sagax caeruleus ; fisheries
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/82 | 8 | 2011-09-29 22:37:24 | 82 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: Between April 1 and June 30, 1977, 125 trips weresampled aboard southern California partyboats by Departmentpersonnel. A total of 14,842 fishes belonging to 72 species was identified and measured. Otoliths wereremoved from 134 rockfish carcasses representing 20species for age deterination studies.The 10 most common species sampled during the quarteraccounted for 76.9% of the catch. Individually, the mostcommon were Pacific mackerel, Scomber japonicus (16.9%);kelp bass, Paralabrax clathratus (14.5%); bocaccio, Sebastes paucispinis (11.4%); Pacific bonito, Sarda chiliensis (10.3%); barred sand bass, Paralabrax nebulifer (5.6%); olive rockfish, Sebastes serranoides (5.3%); chilipepper, S. goodei (4.0%); California barracuda, Sphyraena argentea (2.9%); and ocean whitefish, Caulolatilus princeps (2.8%).Fishing effort switched from "rockcod" to surfaceactivity as it did during the second quarter of 1976 (26pp.)
    Keywords: Management ; Fisheries
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/84 | 8 | 2011-09-29 22:37:18 | 84 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: A report is made on the feasibility of discriminating subpopulations of jack mackerel, Trachurus symmetricus, off of the southern California and Baja California coast. Histochemical, morphometric, and meristic characters are compared from four samples of approximately 200 fish each taken from three areas. The data are analyzed for homogeneity by chi-square tests. Heterogeneity was found only in anal fin ray counts. Recommendations for a comprehensive study are made. (16pp.)
    Keywords: Fisheries ; Biology ; Jack mackerel ; Trachurus symmetricus
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/83 | 8 | 2011-09-29 22:37:05 | 83 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: From January 1 through March 31, 1977, Departmentpersonnel made 100 sampling trips aboard southern California partyboats. A total of 16,400 fishes from 68 species was identified and measured.Otoliths, for age determination studies, were removedfrom 301 rockfish carcasses representing 23 species.The 10 most common species sampled during this quarterwere bocaccio, Sebastes paucispinis (38.5%); chilipepper,S. goodei (9.8%); widow rockfish, S. entomelas (7.7%);blue rockfish, S. mystinus (6.2%); olive rockfish, S. serranoides (4.2%); Pacific mackerel, Scomber japonicus (2.8%); vermilion rockfish, Sebastes miniatus (2.7%); speckled rockfish, S. ovalis (2.7%); greenspotted rockfish, S. chlorostictus (2.5%); and squarespot rockfish, S. hopkinsi (2.4%). Fishing effort during this quarter was directed almostexclusively toward "rockcod", as it was for the sameperiod in 1976. (23pp.)
    Keywords: Management ; Fisheries ; sport fishing ; California
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/85 | 8 | 2011-09-29 22:37:21 | 85 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: During the period January 1 to March 31, 1976, Departmentpersonnel made 139 sampling trips aboard southern California partyboats. A total of 22,122 fishes from 73 species was identified and measured.Otoliths were removed from 1,536 rockfish carcasses representing 31 species for use in age determination.Sampling personnel tagged and released 68 Californiabarracuda, Sphyraena argentea, and 18 sablefish, Anoplopomafimbria.The five most common species sampled during this periodrepresented approximately 79% of the total number of fishesmeasured. These were, in order of importance; bocaccio,Sebastes paucispinis; chilipepper, Sebastes goodei; oliverockfish, Sebastes serranoides; greenspotted rockfish,Sebastes chlorostictus; and vermilion rockfish, Sebastesminiatus. Bocaccio alone accounted for 52% of the sampledcatch. (15pp.)
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/86 | 8 | 2011-09-29 22:36:47 | 86 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: During the period October 1 - December 31, 1975,Department personnel made 176 sampling trips aboardsouthern California partyboats. A total of 25,721 fishfrom 77 species was identified and measured.Otoliths were removed from 1,767 rockfish carcassesrepresenting 30 species for use in age determination.Sampling personnel tagged and released 192 Californiabarracuda, Sphyraena argentea; 2 white seabass, Cynoscionnobilis; and 29 sablefish, Anoplopoma fimbria.The 10 most common species sampled during this periodrepresented 84% of the total number of fish measured.These were, in order of importance; bocaccio, Sebastespaucispinis; Pacific bonito, Sarda chiliensis; chilipepper,Sebastes goodei; olive rockfish, Sebastes serranoides;vermilion rockfish, Sebastes miniatus, white croaker,Genyonemus lineatus; blue rockfish, Sebastes mystinus;greenspotted rockfish, Sebastes chlorostictus; sculpin,Scorpaena guttata; and Pacific mackerel, Scomber japonicus.Bocaccio alone accounted for 44% of the sampled catch. (20pp.)
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/88 | 8 | 2011-09-29 22:37:03 | 88 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: Estimates of the total yearly catch from the partyboat fishery have been collected and published on a routine basis since 1935. Important data relating to the size and age composition of this segment of the marine sportfishery have been lacking. As a consequence, a southern California partyboat sampling study was initiated on April 1, 1975. The main objective of this sampling is to identify and measure all fishes taken by sportsmen on partyboatswith primary emphasis given to California barracuda, Sphyraena argentea; yellowtail, Seriola dorsalis; white seabass, Cynoscion nobilis; and rockfishes, Sebastes spp. (22pp.)
    Keywords: Management ; Fisheries
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/87 | 8 | 2011-09-29 22:36:50 | 87 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: In order to initiate a fishery for the Pacific sardine, Sardinops sajax caeruleus, it is required that the spawning biomass be determined to have reached a minimum of 20,000 short tons. Data from ichthyoplankton surveys, night-light surveys, the anchovy bait fishery, and jack mackerel purse seine fishery are analyzed for evidence of an increase in population size. The present level of the spawning population of the northern stocks of sardinesis determined to be far below the 20,000 tons required toinitiate a fishery. (11pp.)
    Keywords: Fisheries ; Pacific sardine ; Sardinops sajax caeruleus ; fisheries
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/93 | 8 | 2011-09-29 22:36:45 | 93 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: Two survey methods (postcard and interview) for generating marine fish catch and effort estimates for privateboats were field tested at Oceanside, California duringMay and June of 1974. Sampling days were pre-assigned toweekday and weekend strata. The postcard survey was shownto produce biased estimates. Causes of the various biasesare discussed. The interview survey provided backgrounddata to test for biases in the postcard survey andbetween marina an launch ramp interview areas. (31pp.)
    Keywords: Management ; Fisheries ; Oceanside ; California ; sport fishing
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/95 | 8 | 2011-09-29 22:36:12 | 95 | California Department of Fish and Game
    Publication Date: 2021-06-26
    Description: A Pismo clam, Tivela stultorum, census was conductedin January 1976 on selected southern California beaches.Effort and catch information was collected throughclamer interviews. Estimates for January 17 on beachessampled were 3,296 clammer-hours, 2,170 clammers, and10,739 legal clams (4.5 inches or larger) harvested.Clams were collected for age and growth studies.Samples of clams from the Long Beach to Newport Beach pierarea demonstrate the fastest growth rates of any Pismoclams reported in the literature. Clams begin to be recruited to the fishery at age 40 months. (14pp.)The 1974 year class was the largest on beachessampled. Recruitment to the fishery will be poor for the1976-77 and 1977-78 seasons and clamming will be dependenton large older clams.
    Keywords: Fisheries ; Aquaculture ; Pismo clam ; Tivela stultorum ; California
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    California Department of Fish and Game, Marine Resources Division | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/113 | 8 | 2011-09-29 22:35:16 | 113 | California Department of Fish and Game
    Publication Date: 2021-06-26
    Description: This report on the status of major southern California marine sport fish species, together with management recommendations, is based on analyses of catch and size composition data, which were collected on board Commercial Passenger Fishing Vessels (CPFV) from 1985 through1987. The project was designed to determine the status of those fishes that support the CPFV industry, and to make management recommendations when deemed necessary.We collected and analyzed data based on random, stratified, on-board sampling of weekday (excluding holidays), open CPFV's on a year-round basis. We sampled 1/2-day, 3/4-day, and full-day type trips at a level of 5%. The survey area extended from below the United States-Mexicanborder to Point Arguello. Catch estimates were extrapolated to include weekday as well as weekend and holiday, open and chartered CPFV's.We sampled 736 CPFV trips in 1985, 650 in 1986, and 631 in 1987. We encountered 180 species of fishes, including 49 species of rockfishes. We performed detailed analyses on 14 non-rockfish species and 12 rockfish species, as well as all fishes as a group and all rockfishes as a group.We found a moderate increase in total catch of combined fish species between this study and one in the mid-1970's, due primarily to sizeable increases in catches of Pacific mackerel, kelp bass, barred sand bass,and barracuda. However, we also found that there has been more than a 50% decline in the CPFV rockfish catches, due primarily to substantial decreases in catches of bocaccio, chilipepper, and olive rockfish. We have recommended that the current 15-rockfish bag limit regulation be reduced to a 10-rockfish bag limit, and that additional and equitable conservation measures also be implemented on the commercial rockfish fishery. (385pp.)
    Keywords: Management ; Fisheries ; sport fisheries ; California
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/132 | 8 | 2021-02-27 19:36:05 | 132 | California Department of Fish and Game
    Publication Date: 2021-06-26
    Description: In order to initiate a fishery for the Pacific mackerel, Scomber japonicus, it is required that the spawning biomass be determined to have reached 10,000 short tons. Tag and recovery data and jack mackerel, Trachurus symmetricus, fishery data are analyzed for evidence of an increase in Pacific mackerel population size. The present level of the spawning population of Pacific mackerel, although larger than in recent years, is determined to fall short of the 10,000 tons needed to initiate a fishery. (24pp.)
    Keywords: Management ; Fisheries ; Pacific mackerel ; Scomber japonicus ; Jack Mackerel ; Trachurus symmetricus ; fisheries
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/136 | 8 | 2011-09-29 22:32:00 | 136 | California Department of Fish and Game
    Publication Date: 2021-06-26
    Description: From October through December 1976, Department personnelmade 160 sampling trips aboard southern California partyboats. A total of 25,574 fishes from 80 species was identified and measured. Also, otoliths were removed from 722 rockfish carcasses representing 28 species for use in age determination studies.The 10 most common species sampled were bocaccio, Sebastespaucispinis (33.3%); chilipepper, S. goodei (16.0%); oliverockfish, S. serranoides (6.1%); kelp bass, Paralabrax clathratus (4.6%); blue rockfish, S. mystinus (4.5%); Pacific mackerel, Scomber japonicus (4.4%); widow rockfish, S. entomelas (2.4%); vermilion rockfish, S. miniatus (2.0%); ocean whitefish, Caulolatilus princeps (1.9%); and greenstriped rockfish, S. elongatus (1.9%).The sampled quarter represented a transitional period inthe partyboat fishery during which effort shifted from "surface" fishing to deep water "rockcod" fishing. (23pp.)
    Keywords: Management ; Fisheries
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/137 | 8 | 2011-09-29 22:32:01 | 137 | California Department of Fish and Game
    Publication Date: 2021-06-26
    Description: During the October 1 - December 31, 1976 quarter,28 launch ramps, hoists, and boat rental locations were sampled a total of 182 times. During the sample days 8,299 anglers and 1,172 divers were interviewed. They expended 62,073 effort hours and landed 26,788 fishes of 149species.The ten most commonly landed species were: 1)white croaker, Genyonemus lineatus, 14%; 2) oliverockfish, Sebastes serranoides, 6%; 3) Pacificmackerel, Scomber japonicus, 5%; 4) rock scallop,Hinnites multirugosus, 4%; 5) bocaccio, Sebastespaucispinis, 4%; 6) copper rockfish, S. caurinus,4%; 7) red abalone, Haliotis rufescens, 3%;8)kelp bass, Paralabrax clathratus, 3%; 9) barred sand bass, P. nebulifer, 3%; and 10)ocean whitefish, Caulolatilus princeps, 3%. (22pp.)
    Keywords: Management ; Fisheries ; sportfishing ; California
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/141 | 8 | 2011-09-29 22:32:09 | 141 | California Department of Fish and Game
    Publication Date: 2021-06-26
    Description: This report is the first quarterly report submitted in partial fulfillment of Research Contract No. S-1902 between the Department of Fish and Game and the Pacific Gas and Electric Company. Through this contract the Department of Fish and Game is to conduct a pre-operational ecologicalstudy to establish a base line inventory of the marine biota with special reference to fish and to abalone, including food chains.Quarterly reports will be followed by annual reports. The first annual report will cover all work from September 1971 through December 1972. Full tables and species lists will be included in each annual report.
    Description: 13pp.
    Keywords: Ecology ; Fisheries ; Mendocino Power Plant ; California ; environmental impact
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/145 | 8 | 2011-09-29 22:31:16 | 145 | California Department of Fish and Game
    Publication Date: 2021-06-26
    Description: During the January 1 - March 31, 1977 quarter,28 launch ramps, hoists and boat rental locations were sampled 166 times. During the sample days 9,209 anglers and 496 divers were interviewed. They expended 61,347 effort hours and landed 22,454 fishes of 133 identified species.The ten most commonly landed species were: 1) white croaker, Genyonemus lineatus, 16%; 2) Pacific bonito, Sarda chiliensis, 7%; 3) blue rockfish, Sebastes mystinus, 5%; 4) olive rockfish, S. serranoides, 5%; 5) ocean whitefish, Caulolatilus princeps, 5%; 6) barred sand bass, Paralabrax nebulifer, 5%; 7) Pacific mackerel, Scomberjaponicus, 3%; 8) bocaccio, Sebastes paucispinis, 3%; 9) kelp bass, Paralabrax clathratus, 3%; and10) copper rockfish, Sebastes caurinus, 3%. (23pp.)
    Keywords: Management ; Fisheries
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/157 | 8 | 2011-09-29 22:30:35 | 157 | California Department of Fish and Game
    Publication Date: 2021-06-26
    Description: From l July through 30 September, 1976, Department personnelmade 138 sampling trips aboard southern Californiapartyboats. A total of 15,827 fishes from 75 species wasidentified and measured.Otoliths were removed from 290 rockfish carcasses representing 23 species for use in age determination studies.The 10 most common species sampled during this quarterwere kelp bass, Paralabrax clathratus (22.9%); barred sandbass, P. nebulifer (13.7%); olive rockfish, Sebastes serranoides (12.0%); bocaccio, S. paucispinis (1l.6%); Pacific bonito, Sarda chiliensis (6.6%); California barracuda, Sphyraena argentea (5.9%); white croaker, Genyonemus lineatus (4.5%); blue rockfish, S. mystinus (2.9%); brown rockfish, S. auriculatus (2.8%); and ocean whitefish, Caulolatilus princeps (2.8%).Preliminary results from California partyboat logs indicate landings of Pacific bonito, California barracuda, kelp bass, and barred sand bass were significantly larger than those of 1975, while the low catch rates of yellowtail and white seabass remained approximately equal to those of the previous season. (27pp.)
    Keywords: Management ; Fisheries
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/151 | 8 | 2011-09-29 22:30:39 | 151 | California Department of Fish and Game
    Publication Date: 2021-06-26
    Description: During the July 1 - September 30, 1976 quarter, 28launch ramps, hoists, and boat rental locations weresampled a total of 324 times. During the sample days26,136 anglers and 1,353 divers were interviewed. Theyexpended 188,251 effort hours and landed 63,942 fishesof 162 species.The ten most commonly landed species were: 1) whitecroaker, Genyonemus lineatus, 27%; 2) Pacific bonito,Sarda chiliensis, 7%; 3) kelp bass, Paralabrax clathratus,7%; 4) olive rockfish, Sebastes serranoides, 4%;5) bocaccio, S. paucispinis, 4%; 6) barred sand bass,Paralabrax nebulifer, 4%; 7) California barracuda,Sphyraena argentea, 3%; 8) copper rockfish, Sebastescaurinus, 2%; 9) kelp rockfish, S. atrovirens, 2%;10) vermilion rockfish, S. miniatus, 2%. (22pp.)
    Keywords: Management ; Fisheries ; sportfishing ; California
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/150 | 8 | 2011-09-29 22:30:37 | 150 | California Department of Fish and Game
    Publication Date: 2021-06-26
    Description: From 1 April through 30 June, 1976, Departmentpersonnel made 146 trips aboard southern Californiapartyboats. A total of 18,218 fishes from 76 specieswas identified and measured.Otoliths were removed from 674 rockfish carcassesfor use in age determination studies.The 10 most common species sampled during thisquarter represented 85.2% of the total number of fishesmeasured. These were, in order of importance: bocaccio,Sebastes paucispinis; kelp bass, Paralabrax clathratus;Pacific bonito, Sarda chiliensis; barred sand bass,Paralabrax nebulifer; chilipepper, Sebastes goodei;California barracuda, Sphyraena argentea; olive rockfish;Sebastes serranoides; white croaker, Genyonemus lineatus;ocean whitefish, Caulolatilus princeps; and vermilionrockfish, Sebastes miniatus. Pacific bonito and California barracuda partyboatlandings exceeded those of the entire 1975 season, andsampling data indicate the average length of barracudacaught from partyboats was significantly larger thanthat of the previous season. (15pp.)
    Keywords: Management ; Fisheries
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/183 | 8 | 2011-09-29 22:28:21 | 183 | California Department of Fish and Game
    Publication Date: 2021-06-27
    Description: The California Department of Fish and Game and the State Water Quality Control Board (through Regional Board No. 9 - San Diego) entered into an agreement 1 July 1970, whereby Department biologist-divers would resurvey the marine environment off the western shore of Point Lorna, San DiegoCounty, California. The investigation was to consist of a comparison of present conditions to those found in 1965 (Turner, Ebert and Given, 1968). This information would then be used by the Board to evaluate environmentalchanges (if any) which have occurred following the operation of the Point Loma ocean outfall.Determinations to be made at each station included, but were not limited to: (i) the number and diversity of plant and animal life; (ii) substrate characteristics; and (iii) physical conditions of the water.The Board reimbursed the Department for part of the expenses incurred during the course of this investigation.
    Description: 79pp.
    Keywords: Ecology ; Fisheries ; Biology ; Point Loma ; California ; outfalls
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/173 | 8 | 2011-09-29 22:28:55 | 173 | California Department of Fish and Game
    Publication Date: 2021-06-26
    Description: The California Department of Fish and Game and the State Water Resources Control Board (through Regional Board #3, Central Coast) entered into an agreement whereby Department biologist-divers conducted a subtidalecological investigation of the marine environment in the vicinity of the City of Monterey ocean outfall. The objective of the study was to provide the Regional Water Quality Control Board with data to assist them in evaluating the effects of the discharge on the marine environment.The determinations made by biologist-divers included: (i) the number and diversity of the plant and animal life; (ii) substrate characteristics; and (iii) physical parameters, including water temperature, dissolved oxygen levels and clarity. Additionally, benthic samples wereobtained by the divers and/or by a Ponar grab at each station.The State Water Resources Control Board reimbursed the Department for part of the expenses incurred during this study. (27pp.)
    Keywords: Ecology ; Fisheries ; Biology ; Monterey ; California ; outfalls
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/185 | 8 | 2011-09-29 22:23:34 | 185 | California Department of Fish and Game
    Publication Date: 2021-06-27
    Description: The California Department of Fish and Game and the State Water Resources Control Board (through Regional Board #3, Central Coast) entered into an agreement whereby Department biologist-divers conducted a subtidal ecological investigation of the marine environment in the vicinity of the city of Watsonville ocean outfall in Monterey Bay. Theobjective of the study was to provide the Regional Water Quality Control I Board (RWQCB) with data to assist them in evaluating the effects of the discharge on the marine environment at four stations selected by theRWQCB around the outfall terminus (Figure 1).The determinations made by biologist-divers included: (i) the number and diversity of the plant and animal life; (ii) substrate characteristics; and (iii) physical parameters, including water temperature and clarity.Additionally, benthic samples were obtained, both by the divers and by a Ponar grab, at each station.The State Water Resources Control Board reimbursed the Department for expenses incurred during this study. The work was performed by California Department of Fish and Game biologists from the Department's research vessel KELP BASS.
    Description: 13pp.
    Keywords: Ecology ; Fisheries ; Biology ; Watsonville ; California ; outfalls
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/190 | 8 | 2011-09-29 22:24:10 | 190 | California Department of Fish and Game
    Publication Date: 2021-06-27
    Description: The California Department of Fish and Game and the State Water Resources Control Board (through Regional Board #3, Central Coast) entered into an agreement whereby Department biologist-divers conducted a subtidal ecologicalinvestigation of the marine environment in the vicinity of the city of Goleta ocean outfall. The objective of the study was to provide the Regional Water Quality Control Board (RWQCB) with data to assist them in evaluating theeffects of the discharge on the marine environment at four stations selected by the RWQCB around the outfall terminus (Figure 1). One additional physical data station, (G-4), was occupied for temperature and dissolved oxygen determinations.The determinations made by biologist-divers included: (i) the number and diversity of animal life; (ii) substrate characteristics; and (iii) physical parameters, including water temperature, clarity, and dissolved oxygen. Additionally, benthic samples were obtained both by the divers and by a Ponar grab at each station.The State Water Resources Control Board partially reimbursed the Department for expenses incurred during this study. The work was performed by California Department of Fish and Game biologists from the Department's research vessel KELP BASS. (15pp.)
    Keywords: Ecology ; Fisheries ; Biology ; Goleta ; California ; discharge ; outfalls
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/192 | 8 | 2011-09-29 22:24:14 | 192 | California Department of Fish and Game
    Publication Date: 2021-06-27
    Description: The California Department of Fish and Game and the State Water Resources Control Board (through Regional Board #3, Central Coast) entered into an agreement whereby Department biologist-divers conducted a subtidal ecological investigation of the marine environment in thevicinity of the city of Carmel ocean outfall in Carmel Bay. The objective of the study was to provide the Regional Water Quality Control Board (RWQCB) with data to assist them in evaluating the effects of the discharge on the marine environment at five stations selected by the RWQCB adjacent to the outfall terminus and two at a control area off Granite Point (Figure 1), and to provide pre-discharge data for a new discharge being constructed adjacent to the existing one.The determinations made by biologist-divers included: (i) the number and diversity of plant and animal life; (ii) substrate characteristics; and (iii) physical parameters, including water temperature and clarity.The State Water Resources Control Board reimbursed the Department for some expenses incurred during this study. The work was performed by California Department of Fish and Game biologists from the Department's research vessel KELP BASS.
    Description: 18pp.
    Keywords: Ecology ; Fisheries ; Biology ; Carmel Bay ; discharge ; California ; outfalls
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/189 | 8 | 2011-09-29 22:24:08 | 189 | California Department of Fish and Game
    Publication Date: 2021-06-27
    Description: The California Department of Fish and Game and the State Water Resources Control Board (through Regional Board #3, Central Coast) entered into an agreement whereby Department biologist-divers conducted a subtidal ecological investigation of the marine environment in thevicinity of the City of Santa Cruz ocean outfall. The objective of the study was to provide the Regional Water Quality Control Board with data to assist them in evaluating the effects of the discharge on the marine environment.The determinations made by biologist-divers included: (i) the number and diversity of the plant and animal life; (ii) substrate characteristics; and (iii) physical parameters, including water temperature and clarity. Additionally, benthic samples were obtained both by the diversand by a Ponar grab at each station.The State Water Resources Control Board reimbursed the Department for part of the expenses incurred during this study.
    Description: 17pp.
    Keywords: Ecology ; Fisheries ; Biology ; Santa Cruz ; California ; outfalls
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/195 | 8 | 2011-09-29 22:24:34 | 195 | California Department of Fish and Game
    Publication Date: 2021-06-27
    Description: This report is the second quarterly report submitted in partial fulfillment of Research Contract No. S-1902 between the Department of Fish and Game and the Pacific Gas and Electric Company. Through this contract the Department of Fish and Game is to conduct a pre-operational ecological study to establish a base line inventory of the marine biotawith special reference to fish and to abalone, including food chains.Quarterly reports will be followed by annual reports. The first annual report will cover work through December 31, 1972. Full tables and species lists will be included in each annual report. Complete records of observations and measurements are kept in files at the Marine Resources Laboratory, Monterey.
    Description: 12pp.
    Keywords: Ecology ; Fisheries ; Biology ; Mendocino Power Plant ; California ; environmental impact
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/193 | 8 | 2011-09-29 22:24:28 | 193 | California Department of Fish and Game
    Publication Date: 2021-06-27
    Description: The California Department of Fish and Game and the State Water Resources Control Board (through Regional Board #3, Central Coast) entered into an agreement whereby Department biologist-divers conducted a subtidal ecological investigation of the marine environment in the vicinity of the Wedron Silica discharge. The objective of the study was to provide the Regional water Quality Control Board (RWQCB) with data to assist them in evaluating the effects of the discharge on the marine environment.The determinations made by biologist-divers consisted of:(i) comparative abundance and diversity of plant and animal life; (ii) substrate characteristics; and (iii) limited physical measurements, including water temperature and clarity.The State Water Resources Control Board reimbursed the Department for part of the expenses incurred during this study. (24pp.)
    Keywords: Ecology ; Fisheries ; Biology ; Asilomar ; California ; discharge ; outfalls
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/196 | 8 | 2011-09-29 22:24:37 | 196 | California Department of Fish and Game
    Publication Date: 2021-06-27
    Description: This report is the fourth quarterly report submitted in partial fulfillment of Research Contract No. S-1902 between the Department of Fish and Game and the Pacific Gas and Electric Company. Through this contract the Department of Fish and Game is to conduct a pre-operational ecological study to establish a base line inventory of the marine biotawith special reference to fish and to abalone, including food chains.Quarterly reports will be followed by annual reports. The first annual report will cover works through December 31, 1972. Full tables and species lists will be included in each annual report. Complete records of observations and measurements are kept in files at the Marine Resources Laboratory, Monterey.
    Description: 14pp.
    Keywords: Ecology ; Fisheries ; Biology ; Mendocino Power Plant ; California ; environmental impact
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/215 | 8 | 2011-09-29 22:26:36 | 215 | California Department of Fish and Game
    Publication Date: 2021-06-27
    Description: During the period October 1 - December 31, 1973, Fall surveys of permanent subtidal stations were completed with one station being surveyed. We were unable to locate 3 subtidal stations.Intertidal studies were initiated in November. A total of 12random stations was surveyed.Interviews were conducted with commercial abalone fishermenworking between Pt. Buchon to Pecho Rock. We continued tomonitor the sea otter herd foraging between Pt. Buchon andLion Rock.Progress was achieved in the abalone temperature tolerancestudies when a successful spawning occurred. (20pp.)
    Keywords: Ecology ; Biology ; Diablo Canyon Power Plant ; California ; environmental impact
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/219 | 8 | 2011-09-29 22:27:05 | 219 | California Department of Fish and Game
    Publication Date: 2021-06-27
    Description: (17pp.)
    Keywords: Management ; Fisheries ; Lobster ; commercial fisheries
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/217 | 8 | 2011-09-29 22:26:39 | 217 | California Department of Fish and Game
    Publication Date: 2021-06-27
    Description: This is the second annual report on the status of the spawning population of the Pacific mackerel as required by Section 8388.3 of the Fish and Game Code.During 1973 and early 1974, several methods of determining population size were used to estimate the spawning population size of Pacific mackerel stocks north of Point Eugenia, Baja California. The estimated Pacific mackerel spawning population obtained by tagging procedures was 2,025 tons. Two alternate spawning biomass estimates also were obtained using partyboat catches fitted to regressionlines. The estimates derived by these alternate methodsare 4,675 tons, and 8,380 tons.All 1974 estimates are below the 10,000 ton spawning population minimum set in Section 8388.3 of the Fish and Game Code and thus no harvest under Section 8388.5 of the Fish and Game Code could be allowed. (10pp.)
    Keywords: Management ; Fisheries ; Biology ; Scomber japonicus ; Pacific mackerel
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/459 | 8 | 2011-09-29 22:01:33 | 459 | California Department of Fish and Game
    Publication Date: 2021-06-29
    Description: The catch landed and effort expended by private-boatsport fishermen were studied in southern Californiabetween January and March 1981, in order to determinethe impact of one segment of the sport fishery on localmarine resources. Fishermen returning from fishing tripswere interviewed at launch ramps, hoists, and boat rentalfacilities. This report contains quantitative data andstatistical estimates of total effort, total catch, catchof preferred species, and length frequencies for thosespecies whose catches are regulated by minimum size limits.An estimated 139,000 organisms were landed by 45,000anglers and 1,900 divers. The major components of thecatch were Pacific mackerel, Scomber japonicus, 29,000landed; white croaker, Genyonemus lineatus, 27,000 landed;and Pacific bonito, Sarda chiliensis, 13,000 landed. These three species comprised one-half of the total catch.Anglers' compliance with size limit regulations was variable. Approximately 87% of all measured bass,Paralabrax spp., were legal size, but only 60% of theCalifornia halibut, Paralichthys californicus, were legalsize. Divers showed much better compliance with the sizelimit regulations: 96% of all red abalone, Haliotisrufescens, were legal size. (Document has 24 pages)
    Description: 24pp.
    Keywords: Management ; Fisheries ; Pacific mackerel ; Scomber japonicus ; white croaker ; Genyonemus lineatus ; Pacific bonito ; Sarda chiliensis ; California halibut ; Paralichthys californicus ; red abalone ; Haliotis rufescens
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/460 | 8 | 2011-09-29 22:01:31 | 460 | California Department of Fish and Game
    Publication Date: 2021-06-29
    Description: The catch landed and effort expended by private-boatsport fishermen were studied in southern Californiabetween April and June 1981, in order to determine theimpact of one segment of the sport fishery on local marineresources. Fishermen returning from fishing trips wereinterviewed at launch ramps, hoists, and boat-rentalfacilities. This report contains quantitative data andstatistical estimates of total effort, total catch, catchof preferred species, and length frequencies for thosespecies whose catches are regulated by minimum size limits.An estimated 310,000 organisms were landed by 106,000anglers and 4,000 divers (more than twice the catch andeffort estimated for the previous 3-month period). Themajor components of the catch were Pacific mackerel, Scomberjaponicus, 63,000 landed; bass, Paralabrax spp., 61,000landed; white croaker, Genyonemus lineatus, 52,000 landed,and Pacific bonito, Sarda chiliensis, 35,000 landed. Thesespecies contributed 70% of the total catch.Anglers' compliance with size limit regulations was variable. Approximately 89% of all measured bass were legal size. The proportion of legal size California halibut, Paralichthys californicus, rose from 60% last quarter to 79% this quarter. However, the percent of legal size California barracuda, Sphyraena argentea, was very low, 58%. Divers' compliance with minimum size limits dropped slightly: abalone, Haliotis spp., averaged 89% legal. (Document has 31 pages)
    Description: 31pp.
    Keywords: Management ; Fisheries ; Pacific mackerel ; Scomber japonicus ; bass ; Paralabrax spp. ; white croaker ; Genyonemus lineatus ; Pacific bonito ; Sarda chiliensis ; California halibut ; Paralichthys californicus ; California barracuda ; Sphyraena argentea ; abalone ; Haliotis spp.
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    California Department of Fish and Game, Marine Resources Operations | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1025 | 8 | 2014-10-07 19:58:58 | 1025 | California Department of Fish and Game
    Publication Date: 2021-07-05
    Keywords: Management ; Fisheries ; Biology
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    California Department of Fish and Game, Marine Resources Operations | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1029 | 8 | 2014-10-07 19:47:46 | 1029 | California Department of Fish and Game
    Publication Date: 2021-07-05
    Description: Report includes appendix re: conference reports.
    Keywords: Management ; Fisheries ; Biology
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    California Department of Fish and Game, Marine Resources Operations | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1057 | 8 | 2014-10-08 22:07:23 | 1057 | California Department of Fish and Game
    Publication Date: 2021-07-05
    Keywords: Management ; Fisheries ; Biology
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    California Department of Fish and Game, Marine Resources Operations | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1048 | 8 | 2014-10-08 21:44:48 | 1048 | California Department of Fish and Game
    Publication Date: 2021-07-05
    Description: PDF includes pp. 1-15 and 17-32; p. 16 (blank) omitted.
    Keywords: Management ; Fisheries ; Biology
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    California Department of Fish and Game, Marine Resources Operations | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1105 | 8 | 2014-10-10 22:42:51 | 1105 | California Department of Fish and Game
    Publication Date: 2021-07-05
    Description: PDF includes pp. 1-3, 5-7, and 9-27; pp. 4 and 8 (blank) omitted.
    Keywords: Management ; Fisheries ; Biology
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    California Department of Fish and Game, Marine Resources Operations | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1344 | 8 | 2014-10-10 23:14:14 | 1344 | California Department of Fish and Game
    Publication Date: 2021-07-07
    Keywords: Management ; Fisheries ; Biology
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    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/1421 | 8 | 2011-09-29 20:35:45 | 1421 | California Department of Fish and Game
    Publication Date: 2021-07-08
    Description: (Document pdf contains 64 pages)
    Description: Southern California Edison Company
    Description: Nearshore Sport Fish Habitat Enhancement Program
    Keywords: Ecology ; Management ; Fisheries ; Biology
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    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/1422 | 8 | 2011-09-29 20:36:10 | 1422 | California Department of Fish and Game
    Publication Date: 2021-07-08
    Description: (Document pdf contains 9 pages)
    Description: California Coastal Commission
    Description: Nearshore Sport Fish Habitat Enhancement Program
    Keywords: Management ; Fisheries ; Biology
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    California Department of Fish and Game, Marine Resources Division | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/1423 | 8 | 2010-12-14 16:26:03 | 1423 | California Department of Fish and Game
    Publication Date: 2021-07-08
    Description: (Document pdf contains 25 pages)
    Keywords: Management ; Fisheries ; Biology
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    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/1439 | 8 | 2011-09-29 20:37:31 | 1439 | California Department of Fish and Game
    Publication Date: 2021-07-08
    Description: (Document pdf contains 16 pages)
    Keywords: Management ; Fisheries ; Biology
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/2036 | 8 | 2011-09-29 19:46:28 | 2036 | California Department of Fish and Game
    Publication Date: 2021-07-11
    Description: (PDF contains 7 pages.)
    Keywords: Fisheries ; Biology ; Eel River ; Mendocino ; Mattole ; Delgada Canyons ; Anoplopoma fimbria ; sablefish ; stock assessment
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/2039 | 8 | 2011-09-29 19:46:22 | 2039 | California Department of Fish and Game
    Publication Date: 2021-07-11
    Description: (PDF contains 4 pages.)
    Keywords: Fisheries ; Biology ; Cape Mendocino ; CA ; Cape Blanco ; OR ; Gulf of the Farallones ; Dover sole ; Microstomus pacificus ; tag ; market crab ; Cancer magister ; tanner crab ; Chionoecetes tanneri
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/2045 | 8 | 2011-09-29 19:43:11 | 2045 | California Department of Fish and Game
    Publication Date: 2021-07-11
    Description: (PDF contains 6 pages.)
    Keywords: Fisheries ; Biology ; San Francisco ; CA ; San Pedro ; CA ; Bodega Head ; CA ; market crab ; Cancer magister ; petrale sole ; N.B.Scofield
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/2035 | 8 | 2011-09-29 19:46:26 | 2035 | California Department of Fish and Game
    Publication Date: 2021-07-11
    Description: (PDF contains 3 pages.)
    Keywords: Fisheries ; Biology ; Baja California ; Mexico ; tag and release ; Magdalena Bay ; Pacific bonito ; Sarda chiliensis ; California yellowtail ; Seriola dorsalis ; white sea bass ; N.B. Scofield
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    California Department of Fish and Game, Marine Resources Operations | Terminal Island, CA
    In:  http://aquaticcommons.org/id/eprint/2509 | 8 | 2011-09-29 18:59:35 | 2509 | California Department of Fish and Game
    Publication Date: 2021-07-13
    Description: (PDF contains 2 pages.)
    Keywords: Fisheries ; Biology ; Eureka ; California ; Mack Arch ; Oregon ; cruise report ; N. B. Scofield ; Dover sole ; Microstomus pacificus ; petrale sole ; Eopsetta jordani ; tagging
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    California Department of Fish and Game, Marine Resources Operations | Menlo Park, CA
    In:  http://aquaticcommons.org/id/eprint/2530 | 8 | 2011-09-29 18:50:12 | 2530 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: (PDF contains 3 pages.)
    Keywords: Fisheries ; Biology ; San Francisco ; San Pedro ; pink shrimp ; Pandalus jordani ; population ; mortality
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    California Department of Fish and Game, Marine Resources Operations | Terminal Island, CA
    In:  http://aquaticcommons.org/id/eprint/2525 | 8 | 2011-09-29 18:49:46 | 2525 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: (PDF contains 3 pages.)
    Keywords: Oceanography ; Fisheries ; Biology ; northern Baja California ; California ; albacore ; tag and release ; physical data ; biological data
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    California Department of Fish and Game, Marine Resources Operations | Terminal Island, CA
    In:  http://aquaticcommons.org/id/eprint/2510 | 8 | 2011-09-29 18:59:37 | 2510 | California Department of Fish and Game
    Publication Date: 2021-07-13
    Description: (PDF contains 3 pages.)
    Keywords: Fisheries ; Oceanography ; Biology ; California ; northern Baja California ; cruise report ; N. B. Scofield ; albacore ; oceanography ; stomach contents ; tagging
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    California Department of Fish and Game, Marine Resources Operations | Terminal Island, CA
    In:  http://aquaticcommons.org/id/eprint/2516 | 8 | 2011-09-29 18:59:58 | 2516 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: (PDF contains 4 pages.)
    Keywords: Fisheries ; Biology ; San Miguel Island ; Alvila ; cruise report ; N. B. Scofield ; trawling ; Farallon Islands
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    California Department of Fish and Game, Marine Resources Operations | Terminal Island, CA
    In:  http://aquaticcommons.org/id/eprint/2558 | 8 | 2011-09-29 18:52:59 | 2558 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: (PDF contains 3 pages.)
    Keywords: Fisheries ; Biology ; California ; northern Baja California ; albacore ; Guadalupe Island ; Monterey
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    California Department of Fish and Game, Marine Resources Operations | Terminal Island, CA
    In:  http://aquaticcommons.org/id/eprint/2564 | 8 | 2011-09-29 18:53:53 | 2564 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: (PDF contains 5 pages.)
    Keywords: Fisheries ; Biology ; Zuma Beach ; California ; Cape Ferrelo ; Oregon ; trawl ; shrimp ; Pandalus jordani ; hake ; Merluccius productus ; cephalopods
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    California Department of Fish and Game, Marine Resources Operations | Terminal Island, CA
    In:  http://aquaticcommons.org/id/eprint/2556 | 8 | 2011-09-29 18:52:55 | 2556 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: (PDF contains 7 pages.)
    Keywords: Ecology ; Fisheries ; Oceanography ; Biology ; Cape Ferrelo ; Oregon ; Pt. Sal ; Santa Barbara County ; California ; pink shrimp ; Pandalus jordani ; sex ratios ; population ; escapement ; temperature ; salinity ; cephalopods
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    California Department of Fish and Game, Marine Resources Operations | Terminal Island, CA
    In:  http://aquaticcommons.org/id/eprint/2559 | 8 | 2011-09-29 18:53:24 | 2559 | California Department of Fish and Game
    Publication Date: 2021-06-25
    Description: (PDF contains 4 pages.)
    Keywords: Fisheries ; Biology ; Shelter Cover ; Bodega Bay ; Ventura ; California ; petrale sole ; Eopsetta jordani ; migration ; sharks ; tagging
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    California Department of Fish and Game Marine Resources Division | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/384 | 8 | 2011-09-29 22:07:26 | 384 | California Department of Fish and Game
    Publication Date: 2021-06-29
    Description: This report details the development of the biological communities on 2 artificial reefs off southern California (Figure 1). Santa Monica Bay Artificial Reef(SMBAR) andTopanga Artificial Reef(TAR) were both constructed in 1987 with 20,000 and 10,000 tons of quarry rock respectively.SMBAR was constructed in the manner of replication reefs which were designed by researchers to study the effects ofenvironmental and structural variables on reef productivity in situ and TAR was built to promote kelp habitat. SMBAR iscomposed of 24 module pairs of varying height and rock size arranged along three depth strata while TAR was built in 3 piles along one depth strata (Table 1, Figure 2 & Figure 3).SMBAR is located at 34°00'47''N; 118°32'33" W approximately 5 nautical miles from the Marina del Rey entrance along a course of 290° magnetic. TAR is located at 34°01'38.10" N; 118°31'54.80"W; approximately 5.25 nautical miles from theMarina del Rey entrance along a course of302° magnetic.The modules of SMBAR cover 3.58 acres of the 256 acres allotted in the permit. Each module has a footprint of about 0.07 acres. The modules of TAR cover 2 acres of 13 acres allotted in the permit. Each module has a footprint of about 0.70 acres.During the late fall of 1995 both reefs were surveyed by Department divers to assess how closely their biological communities had progressed towards a stable "equilibrium"community. Due to the relatively young age of the reefs and the rapid successional change which occurs in the associated biotic communities of new reefs (Carlisle et al. 1964; Turneretal. 1969; Carteretal. 1985; Matthews 1985; Solonsky 1985; Ambrose and Swarbrick 1989; Anderson et al. 1989;Hueckel and Buckley 1989; and WIlson et al. 1990), only qualitative surveys were conducted. (17pp.)
    Keywords: Fisheries ; Biology ; Santa Monica Bay Artificial Reef ; Topanga Artificial Reef ; California ; artificial reefs ; biological communities
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    California Department of Fish and Game Marine Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/396 | 8 | 2011-09-29 22:07:15 | 396 | California Department of Fish and Game
    Publication Date: 2021-06-29
    Description: (31pp.)
    Keywords: Fisheries ; Biology
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/402 | 8 | 2011-09-29 22:06:19 | 402 | California Department of Fish and Game
    Publication Date: 2021-06-29
    Description: The objectives of this study are:1. Determine changes in the number of species of fishes and bivalves before Phase I and during Phase I at Bolsa Chica Marsh.2. Determine if California Department of Fish and Game's predicted benefits in Phase I were achieved by increases in fish species.3. Determine influences of water management practices upon fish and bivalve composition.This report is divided into two major topics: (1) the fishes and the bivalves collected in July, August, and September 1980 and (2)a discussion of the project objectives after four quarters of sampling.Fifteen species of fishes and eight species of bivalves were collected from inner Bolsa Bay and south Bolsa slough in July, August, and September 1980. Giant kelpfish, Heterostichus rostratus; gray smoothhound, Mustelus californicus; California halibut, Paralichthys californicus; yellowfin croaker, Umbrina roncador; Washington clam, Saxidomus nuttalli; egg cockle, Laevicardium substriatum; and a small burrowing clam, Cooperella subdiaphana, have not been previously reported from inner Bolsa Bay.The number of fish species in outer Bolsa Bay changed from 10 prior to Phase I to 18 during Phase I. The number of fish species in inner Bolsa Bay and south Bolsa slough changed from three prior to Phase I to 24 during Phase I. Eleven species of bivalves were found in outer Bolsa Bay both prior to Phase I and during Phase I. The number of bivalve species in inner Bolsa Bay changes from two prior to Phase I to nine during Phase I.With the water management practices of Phase I in inner Bolsa Bay and south Bolsa slough; the number of resident fish species is 14, while the number of resident bivalves is five.All three study objectives are discussed and recommendations are made on water management practices concerning fishes and bivalves in inner Bolsa Bay and south Bolsa slough. (33pp.)
    Keywords: Ecology ; Fisheries ; Biology
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/342 | 8 | 2011-09-29 22:12:10 | 342 | California Department of Fish and Game
    Publication Date: 2021-06-28
    Description: Field intercept Marine Recreational Fisheries Statistics Survey (MRFSS) data for central and northern California, collected in July to September 1982, is presented in a data report format. Data in this quarterly report aresubdivided into three categories: primarily by five geographical areas; secondarily by fishing modes and gear types within each area; and finally by catch definition for each area, mode, and gear type. Tables are presentedfor these categories, each with three sections: sampled effort, ranked catch, and catch-per-unit-effort (CPUE). Also, within each area, length-frequency histograms and tables are presented for select species. (PDF contains 137 pages)
    Keywords: Management ; Fisheries ; Biology ; Sport fishing ; surveys ; California
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/563 | 8 | 2011-09-29 21:53:24 | 563 | California Department of Fish and Game
    Publication Date: 2021-06-30
    Description: (2pp.)
    Keywords: Ecology ; Biology ; R/V Kelp Bass ; ecological surveys ; Huntington Beach ; California ; cruise report
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/561 | 8 | 2011-09-29 21:53:21 | 561 | California Department of Fish and Game
    Publication Date: 2021-06-30
    Description: (2pp.)
    Keywords: Ecology ; Biology ; R/V Kelp Bass ; ecological surveys
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/571 | 8 | 2011-09-29 21:53:56 | 571 | California Department of Fish and Game
    Publication Date: 2021-06-30
    Description: (1p.)
    Keywords: Ecology ; Biology ; R/V Kelp Bass ; San Clemente Island ; California ; cruise report ; ecological surveys
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/576 | 8 | 2011-09-29 21:54:36 | 576 | California Department of Fish and Game
    Publication Date: 2021-06-30
    Description: (1p.)
    Keywords: Ecology ; Biology ; R/V Kelp Bass ; Santa Barbara ; Goleta ; California ; rockfish ; Sebastes spp.
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/577 | 8 | 2011-09-29 21:54:37 | 577 | California Department of Fish and Game
    Publication Date: 2021-06-30
    Description: (1p.)
    Keywords: Ecology ; Biology ; R/V Kelp Bass ; California ; Paradise Cove ; Palos Verdes Peninsula ; Kelp ; Macrocystis pyrifera ; seniorita ; Oxyjulius californica ; Black surfperch ; Embiotoca jacksoni
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/592 | 8 | 2011-09-29 21:48:21 | 592 | California Department of Fish and Game
    Publication Date: 2021-07-01
    Description: (1p.)
    Keywords: Ecology ; Biology ; R/V Kelp Bass ; California ; Palos Verdes Peninsula ; Macrocystis ; kelp
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/560 | 8 | 2011-09-29 21:53:08 | 560 | California Department of Fish and Game
    Publication Date: 2021-06-30
    Description: (3pp.)
    Keywords: Ecology ; Biology ; R/V Kelp Bass ; ecological surveys
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/595 | 8 | 2011-09-29 21:47:59 | 595 | California Department of Fish and Game
    Publication Date: 2021-07-01
    Description: Document has 1 page.
    Keywords: Fisheries ; Biology ; R/V Kelp Bass ; Southern California ; Pacific mackerel ; Scomber japonicus
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/598 | 8 | 2011-09-29 21:47:57 | 598 | California Department of Fish and Game
    Publication Date: 2021-07-01
    Description: Document has 1 page.
    Keywords: Ecology ; Biology ; R/V Kelp Bass ; San Nicolas Island ; Santa Barbara Island ; California ; kelp ; pelagic birds
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/586 | 8 | 2011-09-29 21:48:01 | 586 | California Department of Fish and Game
    Publication Date: 2021-07-01
    Description: (1p.)
    Keywords: Ecology ; Biology ; R/V Kelp Bass ; Palos Verdes Peninsula ; California ; Macrocystis sp. ; Kelp
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    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/589 | 8 | 2011-09-29 21:48:13 | 589 | California Department of Fish and Game
    Publication Date: 2021-07-01
    Description: (1p.)
    Keywords: Ecology ; Biology ; R/V Kelp Bass ; California ; Jack mackerel ; Pacific mackerel ; Scomber japonicus ; Trachurus symmetricus
    Repository Name: AquaDocs
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