Vol 49, 2008

CalCOFI Report Vol 49, 2008

I.  Reports, Reviews, and Publications

Report of the CalCOFI Committee

5

Review of Some California Fisheries for 2007: Coastal Pelagic Finfish, Market Squid, Dungeness Crab, California Spiny Lobster, Highly Migratory Species, Ocean Salmon, Groundfish, California Halibut, Hagfish, Pacific Herring, and Recreational

15

The State of the California Current, 2007-2008: La Nina Conditions and Their Effects on the Ecosystem
Sam McClatchie, Ralf Goericke, J. Anthony Koslow, Franklin B. Schwing, Steven J. Bograd, Richard Charter, William Watson, Nancy Lo, Kevin Hill, Jon Gottschalk, Michelle L’Heureux, Yan Xue, William T. Peterson, Robert Emmett, Curtis Collins, Gilberto Gaxiola-Castro, Reginaldo Durazo, Mati Kahru, B. Greg Mitchell, K. David Hyrenbach, W. J. Sydeman, R. W. Bradley, P. Warzybok, Eric Bjorkstedt

39

Publications

77

II.  Symposium of the CalCOFI Conference, 2007
Symposium Introduction: Jumbo Squid (Dosidicus gigas) Invasions in the Eastern Pacific Ocean. John Field

79

Large-Scale Range Expansion and Variability in Ommastrephid Squid Populations: A Review of Environmental Links. Paul G. Rodhouse

83

Food and Feeding of Jumbo Squid Dosidicus gigas in the Central Gulf of California During 2005-2007
Unai Markaida, William F. Gilly, Cesar A. Salinas-Zavala, Rigoberto Rosas-Luis, and J. T. Ashley Booth

90

Overview of the Chilean Hake (Merluccius gayi) Stock, a Biomass Forecast, and the Jumbo Squid (Dosidicus gigas) Predator-Prey Relationship off Central Chile (33degS-39degS). Hugo Arancibia and Sergio Neira

104

III. Scientific Contributions

A Hypothesis on Range Expansion and Spatio-Temporal Shifts in Size-at-Maturity of Jumbo Squid
(Dosidicus gigas) in the Eastern Pacific Ocean.
Friedemann Keyl, Juan Arguelles, Luis Mariategui,
Ricardo Tafur, Matthias Wolff, and Carmen Yamashiro

119

Interactions Between Jumbo Squid (Dosidicus gigas) and Pacific Hake (Merluccius productus) in the
Northern California Current in 2007.
John Holmes, Ken Cooke, and George Cronkite

129

Predatory Interactions and Niche Overlap Between Mako Shark, Isurus oxyrinchus, and Jumbo Squid,
Dosidicus gigas, in the California Current.
Russ Vetter, Suzanne Kohin, Antonella Preti, Sam McClatchie,
and Heidi Dewar

142

Jumbo Squid (Dosidicus gigas) Biomass off Central Chile: Effects on Chilean Hake (Merluccius gayi)
Ruben Alarcon-Munos, Luis Cubillos and Claudio Gatica

157

Ecology and Distribution of the Northern Subpopulation of Northern Anchovy (Engraulis mordax)
off the U.S. West Coast.
Marisa N.C. Litz, Robert L. Emmett, Selena S. Heppell, Richard D. Broudeur

167

Impacts of Interannual Environmental Variation on the Shrimp Fishery off the Gulf of California.
Jose Luis Castro-Ortiz and Daniel Lluch-Belda

183

The Life History and Ecology of Black Croaker, Cheilotrema saturnum.
Eric F. Miller  and Daniel J. Pondella, II

191

Feeding Habits of the Bigeye Thresher Shark (Alopias superciliosus) Sampled from the California-Based Drift Gillnet Fishery. Antonella Preti, Suzanne Kohin, Heidi Dewar, and Darlene Ramon

202

Identification, Description, and Daily Growth of Pelagic Larval and Juvenile Squarespot Rockfish, Sebastes hopkinsi (Family Sabastidae). Thomas E. Laidig, Keith M. Sakuma, John R. Hyde, William Watson, and Cynthia Taylor Lawley

212

Catch Strategies for the Pacific Sardine (Sardinops sagax). Rognvaldur Hannesson and Samuel F. Herrick

222

Modeling Dispersal of Cloning Echinoderm Larvae with Gaussian Distribution: Forever Young?
Laura Rogers-Bennett and Donald W. Rogers

232

Spatial and Temporal Approaches in Analyzing Recreational Groundfish Data from Southern Central California and their Application toward Marine Protected Areas. Steven J. Rienecke, John S. Stephens, Jr., Royden Nakamura, Erin Nakada, Dean E. Wendt, and Deb Wilson-Vandenberg

241

Age, Growth and Maturity of Jumbo Squid (Dosidigas gigas D’Orbigny, 1835) off the Western Coast
of the Baja California Peninsula.
Arminda Mejia-Rebollo, Casimiro Quinonez-Velazquez, Cesar A. Salinas-Zavala, and Unai Markaida

256

Instructions to Authors

263

CalCOFI Basic Station Plan

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