Oceanographic mechanisms that possibly explain dominance of neritic-tropical zooplankton species assemblages around the islas marías archipelago, mexico

Jaime Gómez Gutiérrez, René Funes-Rodríguez, Karmina Arroyo-Ramírez, Carlos Armando Sónchez-Ortíz, Juan Ramón Beltrán-Castro, Sergio Hernández-Trujillo, Ricardo Palomares-García, Octavio Aburto-Oropeza, Exequiel Ezcurra

Research output: Contribution to journalArticle

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Abstract

© 2014, Escuela de Ciencias del Mar. All rights reserved The nearshore zooplankton species assemblage, identified per taxonomic groups (20) and per species for 12 selected groups, was analyzed from samples collected during November 2010 at four volcanic islands of the Islas Marías Archipelago (IMA), located 90-120 km offshore Nayarit, Mexico. From chlorophyll-a concentration and zooplankton biovolume perspective mesotrophic conditions prevailed in comparison with the Gulf of California during November. Crustaceans numerically dominated the zooplankton assemblage (92.3%) [Copepoda (79.2%), Decapoda larvae (4.7%), Cladocera (3.7%), Mysidacea (2.7%), and Euphausiacea (2.0%)]. The other 15 taxonomic groups (7.7% combined) accounted each one less than 1.5% of the relative abundance. Species richness of selected taxa (~56%) included 259 taxa (121 identified to species, 117 to genus, and 21 not identified). Tropical species from neritic affinity clearly dominated zooplankton assemblage around IMA. Five tropical Copepoda species [Calanopia minor (Dana), Clausocalanus jobei Frost & Fleminger, Acrocalanus gibber Giesbrecht, Canthocalanus pauper (Giesbrecht), and Centropages furcatus (Dana)], a cladoceran Pseudevadne tergestina (Claus), and a Mysidacea species (Mysidium reckettsi Harrison & Bowman) dominated the zooplankton assemblage (accounting about 55% of total abundance of the identified species). Except C. furcatus, all these species are not abundant at oceanic regions of the central and northern Gulf of California. The similarity of multiple neritic and tropical species in the zooplankton assemblage from IMA and Cape Corrientes suggests strong coastal-insular plankton connectivity. Episodic current plumes associated with anomalous intense rivers discharge during rainy years, eddies generated by coastal upwelling event that move offshore, and northward regional oceanic circulation are the most likely mesoscale oceanographic processes that cause costal tropical zooplankton drift enhancing coastal-Archipelago species connectivity in this region
Original languageAmerican English
Pages (from-to)1009-1034
Number of pages26
JournalLatin American Journal of Aquatic Research
DOIs
StatePublished - 1 Jan 2014
Externally publishedYes

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archipelago
zooplankton
Mexico
Malacostraca
Gulf of California
Copepoda
connectivity
Euphausiacea
frost
Decapoda
plankton
oceanic circulation
volcanic island
Crustacea
river discharge
chlorophyll
species diversity
crustacean
rivers
relative abundance

Cite this

Gutiérrez, Jaime Gómez ; Funes-Rodríguez, René ; Arroyo-Ramírez, Karmina ; Sónchez-Ortíz, Carlos Armando ; Beltrán-Castro, Juan Ramón ; Hernández-Trujillo, Sergio ; Palomares-García, Ricardo ; Aburto-Oropeza, Octavio ; Ezcurra, Exequiel. / Oceanographic mechanisms that possibly explain dominance of neritic-tropical zooplankton species assemblages around the islas marías archipelago, mexico. In: Latin American Journal of Aquatic Research. 2014 ; pp. 1009-1034.
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abstract = "{\circledC} 2014, Escuela de Ciencias del Mar. All rights reserved The nearshore zooplankton species assemblage, identified per taxonomic groups (20) and per species for 12 selected groups, was analyzed from samples collected during November 2010 at four volcanic islands of the Islas Mar{\'i}as Archipelago (IMA), located 90-120 km offshore Nayarit, Mexico. From chlorophyll-a concentration and zooplankton biovolume perspective mesotrophic conditions prevailed in comparison with the Gulf of California during November. Crustaceans numerically dominated the zooplankton assemblage (92.3{\%}) [Copepoda (79.2{\%}), Decapoda larvae (4.7{\%}), Cladocera (3.7{\%}), Mysidacea (2.7{\%}), and Euphausiacea (2.0{\%})]. The other 15 taxonomic groups (7.7{\%} combined) accounted each one less than 1.5{\%} of the relative abundance. Species richness of selected taxa (~56{\%}) included 259 taxa (121 identified to species, 117 to genus, and 21 not identified). Tropical species from neritic affinity clearly dominated zooplankton assemblage around IMA. Five tropical Copepoda species [Calanopia minor (Dana), Clausocalanus jobei Frost & Fleminger, Acrocalanus gibber Giesbrecht, Canthocalanus pauper (Giesbrecht), and Centropages furcatus (Dana)], a cladoceran Pseudevadne tergestina (Claus), and a Mysidacea species (Mysidium reckettsi Harrison & Bowman) dominated the zooplankton assemblage (accounting about 55{\%} of total abundance of the identified species). Except C. furcatus, all these species are not abundant at oceanic regions of the central and northern Gulf of California. The similarity of multiple neritic and tropical species in the zooplankton assemblage from IMA and Cape Corrientes suggests strong coastal-insular plankton connectivity. Episodic current plumes associated with anomalous intense rivers discharge during rainy years, eddies generated by coastal upwelling event that move offshore, and northward regional oceanic circulation are the most likely mesoscale oceanographic processes that cause costal tropical zooplankton drift enhancing coastal-Archipelago species connectivity in this region",
author = "Guti{\'e}rrez, {Jaime G{\'o}mez} and Ren{\'e} Funes-Rodr{\'i}guez and Karmina Arroyo-Ram{\'i}rez and S{\'o}nchez-Ort{\'i}z, {Carlos Armando} and Beltr{\'a}n-Castro, {Juan Ram{\'o}n} and Sergio Hern{\'a}ndez-Trujillo and Ricardo Palomares-Garc{\'i}a and Octavio Aburto-Oropeza and Exequiel Ezcurra",
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Oceanographic mechanisms that possibly explain dominance of neritic-tropical zooplankton species assemblages around the islas marías archipelago, mexico. / Gutiérrez, Jaime Gómez; Funes-Rodríguez, René; Arroyo-Ramírez, Karmina; Sónchez-Ortíz, Carlos Armando; Beltrán-Castro, Juan Ramón; Hernández-Trujillo, Sergio; Palomares-García, Ricardo; Aburto-Oropeza, Octavio; Ezcurra, Exequiel.

In: Latin American Journal of Aquatic Research, 01.01.2014, p. 1009-1034.

Research output: Contribution to journalArticle

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T1 - Oceanographic mechanisms that possibly explain dominance of neritic-tropical zooplankton species assemblages around the islas marías archipelago, mexico

AU - Gutiérrez, Jaime Gómez

AU - Funes-Rodríguez, René

AU - Arroyo-Ramírez, Karmina

AU - Sónchez-Ortíz, Carlos Armando

AU - Beltrán-Castro, Juan Ramón

AU - Hernández-Trujillo, Sergio

AU - Palomares-García, Ricardo

AU - Aburto-Oropeza, Octavio

AU - Ezcurra, Exequiel

PY - 2014/1/1

Y1 - 2014/1/1

N2 - © 2014, Escuela de Ciencias del Mar. All rights reserved The nearshore zooplankton species assemblage, identified per taxonomic groups (20) and per species for 12 selected groups, was analyzed from samples collected during November 2010 at four volcanic islands of the Islas Marías Archipelago (IMA), located 90-120 km offshore Nayarit, Mexico. From chlorophyll-a concentration and zooplankton biovolume perspective mesotrophic conditions prevailed in comparison with the Gulf of California during November. Crustaceans numerically dominated the zooplankton assemblage (92.3%) [Copepoda (79.2%), Decapoda larvae (4.7%), Cladocera (3.7%), Mysidacea (2.7%), and Euphausiacea (2.0%)]. The other 15 taxonomic groups (7.7% combined) accounted each one less than 1.5% of the relative abundance. Species richness of selected taxa (~56%) included 259 taxa (121 identified to species, 117 to genus, and 21 not identified). Tropical species from neritic affinity clearly dominated zooplankton assemblage around IMA. Five tropical Copepoda species [Calanopia minor (Dana), Clausocalanus jobei Frost & Fleminger, Acrocalanus gibber Giesbrecht, Canthocalanus pauper (Giesbrecht), and Centropages furcatus (Dana)], a cladoceran Pseudevadne tergestina (Claus), and a Mysidacea species (Mysidium reckettsi Harrison & Bowman) dominated the zooplankton assemblage (accounting about 55% of total abundance of the identified species). Except C. furcatus, all these species are not abundant at oceanic regions of the central and northern Gulf of California. The similarity of multiple neritic and tropical species in the zooplankton assemblage from IMA and Cape Corrientes suggests strong coastal-insular plankton connectivity. Episodic current plumes associated with anomalous intense rivers discharge during rainy years, eddies generated by coastal upwelling event that move offshore, and northward regional oceanic circulation are the most likely mesoscale oceanographic processes that cause costal tropical zooplankton drift enhancing coastal-Archipelago species connectivity in this region

AB - © 2014, Escuela de Ciencias del Mar. All rights reserved The nearshore zooplankton species assemblage, identified per taxonomic groups (20) and per species for 12 selected groups, was analyzed from samples collected during November 2010 at four volcanic islands of the Islas Marías Archipelago (IMA), located 90-120 km offshore Nayarit, Mexico. From chlorophyll-a concentration and zooplankton biovolume perspective mesotrophic conditions prevailed in comparison with the Gulf of California during November. Crustaceans numerically dominated the zooplankton assemblage (92.3%) [Copepoda (79.2%), Decapoda larvae (4.7%), Cladocera (3.7%), Mysidacea (2.7%), and Euphausiacea (2.0%)]. The other 15 taxonomic groups (7.7% combined) accounted each one less than 1.5% of the relative abundance. Species richness of selected taxa (~56%) included 259 taxa (121 identified to species, 117 to genus, and 21 not identified). Tropical species from neritic affinity clearly dominated zooplankton assemblage around IMA. Five tropical Copepoda species [Calanopia minor (Dana), Clausocalanus jobei Frost & Fleminger, Acrocalanus gibber Giesbrecht, Canthocalanus pauper (Giesbrecht), and Centropages furcatus (Dana)], a cladoceran Pseudevadne tergestina (Claus), and a Mysidacea species (Mysidium reckettsi Harrison & Bowman) dominated the zooplankton assemblage (accounting about 55% of total abundance of the identified species). Except C. furcatus, all these species are not abundant at oceanic regions of the central and northern Gulf of California. The similarity of multiple neritic and tropical species in the zooplankton assemblage from IMA and Cape Corrientes suggests strong coastal-insular plankton connectivity. Episodic current plumes associated with anomalous intense rivers discharge during rainy years, eddies generated by coastal upwelling event that move offshore, and northward regional oceanic circulation are the most likely mesoscale oceanographic processes that cause costal tropical zooplankton drift enhancing coastal-Archipelago species connectivity in this region

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