Cephalopod paralarval assemblages in the Gulf of California during 2004-2007

Roxana De Silva-Dávila, Carmen Franco-Gordo, Frederick G. Hochberg, Enrique Godínez-Domínguez, Raymundo Avendaño-Ibarra, Jaime Gómez-Gutiérrez, Carlos J. Robinson

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Abstract

© Inter-Research 2015. The responses of cephalopod paralarvae to environmental and hydrodynamic variability were analyzed using data collected during 8 oceanographic cruises (2004-2007) carried out in the entire Gulf of California. Redundancy analysis showed that temperature and salinity at 10 m depth (on the first axis), and zooplankton volumes and chlorophyll a concentration (on the second axis) were the main environmental variables influencing paralarval abundance. Relatively high correlations with the first axis were found in paralarvae of Pterygioteuthis hoylei (-0.5126), in the SD complex (Sthenoteuthis oualaniensis and Dosidicus gigas, 0.4526), and in Gonatus pyros (-0.3350). We observed 3 recurrent cephalopod paralarval assemblages related to the seasonal flux of water masses. The Gulf and Shallow assemblages were distributed mostly in Gulf of California water (salinity ≥35.0) located in the most productive environment. The Tropical assemblage was distributed in tropical surface water, associated with high temperatures and a less productive environment. During the spring, species richness and diversity in the assemblages were high in response to northward advection of tropical surface water into the gulf. The lowest richness values were recorded during summer, associated with the southward flow of Gulf of California water, and the highest temperatures of the year. The assemblages included mostly pelagic, tropical- subtropical taxa and few temperate and cosmopolitan taxa. Paralarval abundance in the gulf was numerically dominated by a few species, but each assemblage had a significantly different community structure and seasonal latitudinal boundaries, suggesting assemblages can be used as biological indicators of the distribution of water masses in the gulf.
Original languageAmerican English
Pages (from-to)123-141
Number of pages108
JournalMarine Ecology Progress Series
DOIs
StatePublished - 1 Jan 2015
Externally publishedYes

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Cephalopoda
Gulf of California
cephalopod
Water
surface water
Dosidicus gigas
species diversity
temperature
Salinity
water distribution
water salinity
hydrodynamics
Temperature
zooplankton
community structure
water mass
water
Zooplankton
salinity
chlorophyll

Cite this

Silva-Dávila, R. D., Franco-Gordo, C., Hochberg, F. G., Godínez-Domínguez, E., Avendaño-Ibarra, R., Gómez-Gutiérrez, J., & Robinson, C. J. (2015). Cephalopod paralarval assemblages in the Gulf of California during 2004-2007. Marine Ecology Progress Series, 123-141. https://doi.org/10.3354/meps11074
Silva-Dávila, Roxana De ; Franco-Gordo, Carmen ; Hochberg, Frederick G. ; Godínez-Domínguez, Enrique ; Avendaño-Ibarra, Raymundo ; Gómez-Gutiérrez, Jaime ; Robinson, Carlos J. / Cephalopod paralarval assemblages in the Gulf of California during 2004-2007. In: Marine Ecology Progress Series. 2015 ; pp. 123-141.
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Silva-Dávila, RD, Franco-Gordo, C, Hochberg, FG, Godínez-Domínguez, E, Avendaño-Ibarra, R, Gómez-Gutiérrez, J & Robinson, CJ 2015, 'Cephalopod paralarval assemblages in the Gulf of California during 2004-2007', Marine Ecology Progress Series, pp. 123-141. https://doi.org/10.3354/meps11074

Cephalopod paralarval assemblages in the Gulf of California during 2004-2007. / Silva-Dávila, Roxana De; Franco-Gordo, Carmen; Hochberg, Frederick G.; Godínez-Domínguez, Enrique; Avendaño-Ibarra, Raymundo; Gómez-Gutiérrez, Jaime; Robinson, Carlos J.

In: Marine Ecology Progress Series, 01.01.2015, p. 123-141.

Research output: Contribution to journalArticle

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AU - Silva-Dávila, Roxana De

AU - Franco-Gordo, Carmen

AU - Hochberg, Frederick G.

AU - Godínez-Domínguez, Enrique

AU - Avendaño-Ibarra, Raymundo

AU - Gómez-Gutiérrez, Jaime

AU - Robinson, Carlos J.

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N2 - © Inter-Research 2015. The responses of cephalopod paralarvae to environmental and hydrodynamic variability were analyzed using data collected during 8 oceanographic cruises (2004-2007) carried out in the entire Gulf of California. Redundancy analysis showed that temperature and salinity at 10 m depth (on the first axis), and zooplankton volumes and chlorophyll a concentration (on the second axis) were the main environmental variables influencing paralarval abundance. Relatively high correlations with the first axis were found in paralarvae of Pterygioteuthis hoylei (-0.5126), in the SD complex (Sthenoteuthis oualaniensis and Dosidicus gigas, 0.4526), and in Gonatus pyros (-0.3350). We observed 3 recurrent cephalopod paralarval assemblages related to the seasonal flux of water masses. The Gulf and Shallow assemblages were distributed mostly in Gulf of California water (salinity ≥35.0) located in the most productive environment. The Tropical assemblage was distributed in tropical surface water, associated with high temperatures and a less productive environment. During the spring, species richness and diversity in the assemblages were high in response to northward advection of tropical surface water into the gulf. The lowest richness values were recorded during summer, associated with the southward flow of Gulf of California water, and the highest temperatures of the year. The assemblages included mostly pelagic, tropical- subtropical taxa and few temperate and cosmopolitan taxa. Paralarval abundance in the gulf was numerically dominated by a few species, but each assemblage had a significantly different community structure and seasonal latitudinal boundaries, suggesting assemblages can be used as biological indicators of the distribution of water masses in the gulf.

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Silva-Dávila RD, Franco-Gordo C, Hochberg FG, Godínez-Domínguez E, Avendaño-Ibarra R, Gómez-Gutiérrez J et al. Cephalopod paralarval assemblages in the Gulf of California during 2004-2007. Marine Ecology Progress Series. 2015 Jan 1;123-141. https://doi.org/10.3354/meps11074