CalCOFI Reports, Vol. 20, 1979
Contents
	Page
I.  Report, Reviews, and Publications
Report of the CaICOFI Committee 1979	5
Review of the Pelagic Wet Fisheries for 1976 with Notes on the        History of These Fisheries	6
Review of the Pelagic Wet Fisheries  1977	10
Publications	13
II. Symposium of the CaICOFI Conference
THE MARKET SQUID, LOLIGO OPALESCENS
Indian Wells, California,November 16-17, 1976
Pelagic Assemblages as Determined from Purse Seine and Large Midwater      Trawl Catches in MontereyBay and Their Affinities with the Market
Squid, Loligo opalescens.
Gregor M. Cailliet, Konstantin Karpov, and David A. Ambrose	21
Distribution of Larval Squid, Loligo opalescens, in Various
Nearshore Locations. Conrad W. Recksiek and Jerry Kashiwada	31
Indices of the Availability of Market Squid, Loligo opalescens, to the          Monterey Bay Fishery.
James E. Hardwick and Jerome D. Spratt	35
Detection of Market Squid, Loligo opalescens, with Echo Sounders.
Douglas L. Vaughan and Conrad W. Recksiek	40
Prey Composition of the Market Squid, Loligo opalescens Berry, in Relation          to Depth and Location of Capture, Size of Squid, and Sex of Spawning Squid.
Konstantin A. Karpov and Gregor M. Cailliet	51
Age and Growth of the Market Squid, Loligo opalescensBerry, from Statoliths.
Jerome D. Spratt	58
Beaks of the Market Squid, Loligo opalescens, as Tools for Predator Studies.
Jerry Kashiwada, Conrad W. Recksiek, and Konstantin Karpov	65
III. Scientific Contributions
Population Estimates for the Waning Years of the Pacific Sardine Fishery.
Alec D. MacCall	72
A Management Model for the Central Stock of the Northern Anchovy,
Engraulis mordax.  John Ravodich and Alec D. MacCall	83
Large Scale Biological Events in the California Current. Patricio A. Bernal	89
Seasonal Distributions of Epipelagic FishSchools and Fish Biomass over
Portions of the California Current Region. Roger P. Hewitt and Paul Smith	102
Abundance, Composition, and Recruitment of Nearshore Fish
Assemblages on the Southern California Mainland Shelf.  Alan J. Mearns	111
Longshore Variation in the Distribution of Plankton in the
Southern California Bight.  Michael M. Mullin	120
Microplankton and Other Seston Components in Coastal Waters near the
Point Loma (San Diego) Sewage Outfall.            J.R. Beers, F.M.H. Reid, and G.L. Stewart	125
Conversion Algorithms for the CaICOFI Station Grid.          L.E. Eber and Roger P. Hewitt	135
Use of Airborne Radiometers for Monitoring Sea Surface Temperature and        Chlorophyll.  Merritt Stevenson, James Squire, Jr., Charles Booth,
and Yoshimine Ikeda	138
Assessment of a Large Capacity Fish Pump for Sampling Ichthyoplankton for        Power Plant Entrainment Studies.
J.A. Elder, J. W. Icanberry, D.J. Smith, D.G. Henriet,and C.E. Steitz	143
Distribucion Vertical de Temperatura, Salinidad, y Oxigeno disuelto en la Bahia          de La Paz,Baja CaliforniaSur. Durante ]a Primavera de 1976.
Amado Villasenor Casales	146
Resultados Preliminares sobre la Distribucion Superficial de Parametros Fisico          Quimicos en la Ensenada de La Paz, Baja California Sur, Durante
la Primavera de 1976.  Julio Espinoza Avalos	150
A Description of the California Current Ecosystem by Factor Analysis.
George T. Hemingway	164
Thaliacea of the California Current Region: Relations to Temperature,
Chlorophyll, Currents and Upwelling.  Maurice Blackburn	184