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1. Corrigendum: State of the California Current 2019–2020: Back to the Future With Marine Heatwaves?

Author

Weber, Edward D, Auth, Toby D, Baumann-Pickering, Simone, Baumgartner, Timothy R, Bjorkstedt, Eric P, Bograd, Steven J, Burke, Brian J, Cadena-Ramírez, José L, Daly, Elizabeth A, de la Cruz, Martin, Dewar, Heidi, Field, John C, Fisher, Jennifer L, Giddings, Ashlyn, Goericke, Ralf, Gomez-Ocampo, Eliana, Gomez-Valdes, Jose, Hazen, Elliott L, Hildebrand, John, Horton, Cheryl A, Jacobson, Kym C, Jacox, Michael G, Jahncke, Jaime, Kahru, Mati, Kudela, Raphe M, Lavaniegos, Bertha E, Leising, Andrew, Melin, Sharon R, Miranda-Bojorquez, Luis Erasmo, Morgan, Cheryl A, Nickels, Catherine F, Orben, Rachael A, Porquez, Jessica M, Portner, Elan J, Robertson, Roxanne R, Rudnick, Daniel L, Sakuma, Keith M, Santora, Jarrod A, Schroeder, Isaac D, Snodgrass, Owyn E, Sydeman, William J, Thompson, Andrew R, Thompson, Sarah Ann, Trickey, Jennifer S, Villegas-Mendoza, Josue, Warzybok, Pete, Watson, William, and Zeman, Samantha M

Subjects
California Current, marine heat wave, upwelling, anchovy, Ecosystem Assessment, CalCOFI, Oceanography, Ecology
Published
2022

2. State of the California Current 2019–2020: Back to the Future With Marine Heatwaves?

Author

Weber, Edward D, Auth, Toby D, Baumann-Pickering, Simone, Baumgartner, Timothy R, Bjorkstedt, Eric P, Bograd, Steven J, Burke, Brian J, Cadena-Ramírez, José L, Daly, Elizabeth A, de la Cruz, Martin, Dewar, Heidi, Field, John C, Fisher, Jennifer L, Giddings, Ashlyn, Goericke, Ralf, Gomez-Ocampo, Eliana, Gomez-Valdes, Jose, Hazen, Elliot L, Hildebrand, John, Horton, Cheryl A, Jacobson, Kym C, Jacox, Michael G, Jahncke, Jaime, Kahru, Mati, Kudela, Raphe M, Lavaniegos, Bertha E, Leising, Andrew, Melin, Sharon R, Miranda-Bojorquez, Luis Erasmo, Morgan, Cheryl A, Nickels, Catherine F, Orben, Rachael A, Porquez, Jessica M, Portner, Elan J, Robertson, Roxanne R, Rudnick, Daniel L, Sakuma, Keith M, Santora, Jarrod A, Schroeder, Isaac D, Snodgrass, Owyn E, Sydeman, William J, Thompson, Andrew R, Thompson, Sarah Ann, Trickey, Jennifer S, Villegas-Mendoza, Josue, Warzybok, Pete, Watson, William, and Zeman, Samantha M

Subjects
Life Below Water, California Current, marine heat wave, upwelling, anchovy, Ecosystem Assessment, CalCOFI, Oceanography, Ecology
Abstract

The California Current System (CCS) has experienced large fluctuations in environmental conditions in recent years that have dramatically affected the biological community. Here we synthesize remotely sensed, hydrographic, and biological survey data from throughout the CCS in 2019–2020 to evaluate how recent changes in environmental conditions have affected community dynamics at multiple trophic levels. A marine heatwave formed in the north Pacific in 2019 and reached the second greatest area ever recorded by the end of summer 2020. However, high atmospheric pressure in early 2020 drove relatively strong Ekman-driven coastal upwelling in the northern portion of the CCS and warm temperature anomalies remained far offshore. Upwelling and cooler temperatures in the northern CCS created relatively productive conditions in which the biomass of lipid-rich copepod species increased, adult krill size increased, and several seabird species experienced positive reproductive success. Despite these conditions, the composition of the fish community in the northern CCS remained a mixture of both warm- and cool-water-associated species. In the southern CCS, ocean temperatures remained above average for the seventh consecutive year. Abundances of juvenile fish species associated with productive conditions were relatively low, and the ichthyoplankton community was dominated by a mixture of oceanic warm-water and cosmopolitan species. Seabird species associated with warm water also occurred at greater densities than cool-water species in the southern CCS. The population of northern anchovy, which has been resurgent since 2017, continued to provide an important forage base for piscivorous fishes, offshore colonies of seabirds, and marine mammals throughout the CCS. Coastal upwelling in the north, and a longer-term trend in warming in the south, appeared to be controlling the community to a much greater extent than the marine heatwave itself.

Published
2021

4. Corrigendum: State of the California Current 2019–2020: Back to the Future With Marine Heatwaves?

Author

Weber, Edward D., primary, Auth, Toby D., additional, Baumann-Pickering, Simone, additional, Baumgartner, Timothy R., additional, Bjorkstedt, Eric P., additional, Bograd, Steven J., additional, Burke, Brian J., additional, Cadena-Ramírez, José L., additional, Daly, Elizabeth A., additional, de la Cruz, Martin, additional, Dewar, Heidi, additional, Field, John C., additional, Fisher, Jennifer L., additional, Giddings, Ashlyn, additional, Goericke, Ralf, additional, Gomez-Ocampo, Eliana, additional, Gomez-Valdes, Jose, additional, Hazen, Elliott L., additional, Hildebrand, John, additional, Horton, Cheryl A., additional, Jacobson, Kym C., additional, Jacox, Michael G., additional, Jahncke, Jaime, additional, Kahru, Mati, additional, Kudela, Raphe M., additional, Lavaniegos, Bertha E., additional, Leising, Andrew, additional, Melin, Sharon R., additional, Miranda-Bojorquez, Luis Erasmo, additional, Morgan, Cheryl A., additional, Nickels, Catherine F., additional, Orben, Rachael A., additional, Porquez, Jessica M., additional, Portner, Elan J., additional, Robertson, Roxanne R., additional, Rudnick, Daniel L., additional, Sakuma, Keith M., additional, Santora, Jarrod A., additional, Schroeder, Isaac D., additional, Snodgrass, Owyn E., additional, Sydeman, William J., additional, Thompson, Andrew R., additional, Thompson, Sarah Ann, additional, Trickey, Jennifer S., additional, Villegas-Mendoza, Josue, additional, Warzybok, Pete, additional, Watson, William, additional, and Zeman, Samantha M., additional

Published
2022
Full Text
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5. State of the California Current 2019–2020: Back to the Future With Marine Heatwaves?

Author

Weber, Edward D., primary, Auth, Toby D., additional, Baumann-Pickering, Simone, additional, Baumgartner, Timothy R., additional, Bjorkstedt, Eric P., additional, Bograd, Steven J., additional, Burke, Brian J., additional, Cadena-Ramírez, José L., additional, Daly, Elizabeth A., additional, de la Cruz, Martin, additional, Dewar, Heidi, additional, Field, John C., additional, Fisher, Jennifer L., additional, Giddings, Ashlyn, additional, Goericke, Ralf, additional, Gomez-Ocampo, Eliana, additional, Gomez-Valdes, Jose, additional, Hazen, Elliott L., additional, Hildebrand, John, additional, Horton, Cheryl A., additional, Jacobson, Kym C., additional, Jacox, Michael G., additional, Jahncke, Jaime, additional, Kahru, Mati, additional, Kudela, Raphe M., additional, Lavaniegos, Bertha E., additional, Leising, Andrew, additional, Melin, Sharon R., additional, Miranda-Bojorquez, Luis Erasmo, additional, Morgan, Cheryl A., additional, Nickels, Catherine F., additional, Orben, Rachael A., additional, Porquez, Jessica M., additional, Portner, Elan J., additional, Robertson, Roxanne R., additional, Rudnick, Daniel L., additional, Sakuma, Keith M., additional, Santora, Jarrod A., additional, Schroeder, Isaac D., additional, Snodgrass, Owyn E., additional, Sydeman, William J., additional, Thompson, Andrew R., additional, Thompson, Sarah Ann, additional, Trickey, Jennifer S., additional, Villegas-Mendoza, Josue, additional, Warzybok, Pete, additional, Watson, William, additional, and Zeman, Samantha M., additional

Published
2021
Full Text
View/download PDF

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