TY - JOUR
T1 - Seasonal variability of near-surface zooplankton community structure in the southern gulf of Mexico
AU - Cruz-Rosado, Leonardo
AU - Contreras-Sánchez, Wilfrido M.
AU - Hernández-Vidal, Ulises
AU - Gómez-Gutiérrez, Jaime
AU - Contreras-García, María de Jesús
AU - McDonal-Vera, Alejandro
N1 - Publisher Copyright:
© 2020, Escuela de Ciencias del Mar. All rights reserved.
PY - 2020
Y1 - 2020
N2 - The zooplankton taxonomic group composition was analyzed in a known spawning area for snooks of the family Centropomidae during March 2011-February 2012 near the González River's mouth, a tributary of the Grijalva-Usumacinta River system, discharging into the southern Gulf of Mexico. Zooplankton was collected near the surface using three distinct zooplankton nets (20, 64, and 120 µm). Sixteen zooplankton taxonomic groups were collected between the three nets. Copepoda (76.9%), Trematoda (6.7%), Bivalvia (4.6%), and Chaetognatha (Sagittoidea 4.3%) numerically dominated zooplankton community structure. The 120 and 64 µm nets collected the highest diversity of zooplankton (15 taxa). Zooplankton was more abundant during June-October (summer storm season). They associated with lower salinities (due to the increase in the discharge volume of the Grijalva-Usumacinta River system) and higher regional primary productivity than observed during the rest of the year (March-May, dry season, and November-February, winter storm season). The highest peak of zooplankton abundance was found in November during the beginning of winter storms. Nine taxonomic groups were observed frequently and abundantly during the summer storm season, while only five taxonomic groups were abundant during the dry season.
AB - The zooplankton taxonomic group composition was analyzed in a known spawning area for snooks of the family Centropomidae during March 2011-February 2012 near the González River's mouth, a tributary of the Grijalva-Usumacinta River system, discharging into the southern Gulf of Mexico. Zooplankton was collected near the surface using three distinct zooplankton nets (20, 64, and 120 µm). Sixteen zooplankton taxonomic groups were collected between the three nets. Copepoda (76.9%), Trematoda (6.7%), Bivalvia (4.6%), and Chaetognatha (Sagittoidea 4.3%) numerically dominated zooplankton community structure. The 120 and 64 µm nets collected the highest diversity of zooplankton (15 taxa). Zooplankton was more abundant during June-October (summer storm season). They associated with lower salinities (due to the increase in the discharge volume of the Grijalva-Usumacinta River system) and higher regional primary productivity than observed during the rest of the year (March-May, dry season, and November-February, winter storm season). The highest peak of zooplankton abundance was found in November during the beginning of winter storms. Nine taxonomic groups were observed frequently and abundantly during the summer storm season, while only five taxonomic groups were abundant during the dry season.
KW - Abundance
KW - Distribution
KW - Gulf of Mexico
KW - Seasonal variability
KW - Taxonomic groups
KW - Zooplankton
UR - http://www.scopus.com/inward/record.url?scp=85090524019&partnerID=8YFLogxK
U2 - 10.3856/vol48-issue4-fulltext-2503
DO - 10.3856/vol48-issue4-fulltext-2503
M3 - Artículo
AN - SCOPUS:85090524019
SN - 0718-560X
VL - 48
SP - 649
EP - 661
JO - Latin American Journal of Aquatic Research
JF - Latin American Journal of Aquatic Research
IS - 4
ER -