scholarly journals Three-dimensional distribution of larval fish assemblages in an anticyclonic eddy in a semi-enclosed sea (Gulf of California)

2012 ◽  
Vol 34 (6) ◽  
pp. 548-562 ◽  
Author(s):  
Fernando Contreras-Catala ◽  
Laura Sánchez-Velasco ◽  
Miguel F. Lavín ◽  
Victor M. Godínez
Keyword(s):  
Gulf Of California ◽  
Fish Assemblages ◽  
Larval Fish ◽  
Three Dimensional ◽  
Anticyclonic Eddy ◽  
Dimensional Distribution

Three-dimensional distribution of larval fish assemblages across a surface thermal/chlorophyll front in a semienclosed sea

2009 ◽  
Vol 85 (3) ◽  
pp. 487-496 ◽  
Author(s):  
A. Danell-Jiménez ◽  
L. Sánchez-Velasco ◽  
M.F. Lavín ◽  
S.G. Marinone
Keyword(s):  
Fish Assemblages ◽  
Larval Fish ◽  
Three Dimensional ◽  
Dimensional Distribution

The effects of a tidal-mixing front on the distribution of larval fish habitats in a semi-enclosed sea during winter

2014 ◽  
Vol 94 (7) ◽  
pp. 1517-1530 ◽  
Author(s):  
Emilio A. Inda-Díaz ◽  
Laura Sánchez-Velasco ◽  
Miguel F. Lavín
Keyword(s):  
Gulf Of California ◽  
Larval Fish ◽  
Three Dimensional ◽  
Wide Distribution ◽  
Tidal Mixing ◽  
Larval Abundance ◽  
North West ◽  
North East ◽  
Tidal Mixing Front ◽  
Fish Habitats

We examined the effect of a tidal-mixing front on the three-dimensional distribution of larval fish habitats (LFHs) in the Midriff Archipelago Region in the Gulf of California during winter. Zooplankton and environmental variables were sampled from 0 to 200 m in 50 m strata. Four LFHs were defined in association with the front, two on the northern side and two on the southern side. The northern LFHs were: (1) the Mainland Shelf Habitat, located from the surface to 100 m depth on the north-east mainland shelf, characterized mainly by the presence of Citharichtys fragilis; and (2) the Wide Distribution Habitat, extending from north-west to south across the front from the surface to 200 m depth, dominated by the ubiquitous Engraulis mordax. The southern LFHs were: (3) the Eddy Zone Habitat, defined nearly on an anticyclonic eddy, with the highest larval abundance and richness from the surface to 100 m depth, dominated by Leuroglossus stilbius; and (4) the Southern Gulf Habitat, associated with low temperature waters from the southern Gulf of California, dominated by southern-gulf species (e.g. Scomber japonicus and Sardinops sagax). Despite the weak stratification and low thermal contrast (~1.5°C) across the south front compared to summer (~3°C), our results demonstrate that the frontal zone may influence the formation of planktonic habitats even during generally homogeneous periods, which may also be relevant in other regions of the world.

scholarly journals Regionalization in the distribution of larval fish assemblages during winter and autumn in the Gulf of California

2018 ◽  
Vol 46 (1) ◽  
pp. 20-36 ◽  
Author(s):  
Homero Urias ◽  
Gerardo Aceves ◽  
Raymundo Avendano ◽  
Ricardo Saldierna ◽  
Jaime Gomez ◽  
...  
Keyword(s):  
Gulf Of California ◽  
Fish Assemblages ◽  
Larval Fish

Three-dimensional distribution of fish larvae in a cyclonic eddy in the Gulf of California during the summer

2013 ◽  
Vol 75 ◽  
pp. 39-51 ◽  
Author(s):  
L. Sánchez-Velasco ◽  
M.F. Lavín ◽  
S.P.A. Jiménez-Rosenberg ◽  
V.M. Godínez ◽  
E. Santamaría-del-Angel ◽  
...  
Keyword(s):  
Gulf Of California ◽  
Fish Larvae ◽  
Three Dimensional ◽  
Cyclonic Eddy ◽  
Dimensional Distribution ◽  
Distribution Of Fish

scholarly journals Seasonal changes in connectivity routes among larval fish assemblages in a semi-enclosed sea (Gulf of California)

2010 ◽  
Vol 33 (3) ◽  
pp. 517-533 ◽  
Author(s):  
Martha Peguero-Icaza ◽  
Laura Sánchez-Velasco ◽  
Miguel F. Lavín ◽  
S. Guido Marinone ◽  
Emilio Beier
Keyword(s):  
Seasonal Changes ◽  
Gulf Of California ◽  
Fish Assemblages ◽  
Larval Fish

scholarly journals Cyclonic entrainment? The ichthyoplankton attributes of three major water mass types generated by the separation of the East Australian Current

2014 ◽  
Vol 71 (7) ◽  
pp. 1696-1705 ◽  
Author(s):  
Paloma A. Matis ◽  
Will F. Figueira ◽  
Iain M. Suthers ◽  
Joshua Humphries ◽  
Anthony Miskiewicz ◽  
...  
Keyword(s):  
Surface Waters ◽  
Fish Assemblages ◽  
Larval Fish ◽  
Anticyclonic Eddy ◽  
Cyclonic Eddy ◽  
Nursery Ground ◽  
East Australian Current ◽  
Near Surface ◽  
Shelf Slope ◽  
Tasman Sea

The relationship between larval fish assemblages and coastal oceanography is the basis for much of our understanding of connectivity and productivity of fish populations. Larval fish assemblages were sampled from the upper mixed layer (<50 m depth) at three prominent circulation features [separation of the East Australian Current (EAC), anticyclonic eddy, and cyclonic eddy] off the southeast Australian coast across three bathymetric zones (shelf, slope and ocean) for each feature. The separation of the EAC from the coast at ∼32°S was characterized by warmer, less saline water compared with the cyclonic and anticyclonic eddies further to the south (∼34 and ∼35°S, respectively), which were both characterized by cooler Tasman Sea water and greater fluorescence. The anticyclonic eddy had separated from the EAC three months prior to sampling, which facilitated the movement of a cyclonic eddy from the Tasman Sea westwards to the shelf at ∼34°S. The larval assemblage in the EAC had high numbers of fish of the families Labridae and Stomiidae. The cyclonic eddy was characterized by larval clupeids, carangids, scombrids and bothids, indicating recent entrainment of shelf waters and proximity to major spawning regions. In contrast, the anticyclonic eddy had fewer larval fish, with little evidence for entrainment of shelf assemblages into the near-surface waters. Myctophids were found in high abundance across all oceanographic features and bathymetric zones. The evidence of selective entrainment of coastal larval fish into the near-surface waters of a cyclonic eddy compared with a similar anticyclonic eddy indicates a potential offshore nursery ground.

scholarly journals Larval fish assemblages in nearshore waters of southeast Gulf of California: vertical and temporal patterns

2020 ◽  
Vol 18 (1) ◽  
Author(s):  
Felipe Amezcua ◽  
José Alberto Rodríguez-Preciado ◽  
Antonio Calderón-Pérez ◽  
Sergio Rendón-Rodríguez ◽  
Lucinda Green ◽  
...  
Keyword(s):  
Gulf Of California ◽  
Fish Assemblages ◽  
Larval Fish ◽  
Demersal Fish ◽  
Economic Importance ◽  
Environmental Parameter ◽  
Coastal Environments ◽  
Total Abundance ◽  
Efficient Sampling ◽  
Vertical Changes

Abstract The influence of salinity and temperature on larval fish assemblages, as well as, temporal and vertical patterns on larval fish assemblages off the inlet of the Presidio River, southeast coast of the Gulf of California were evaluated. Samplings for ichthyoplankton and environmental parameter measurements were carried out at three depths, in five sampling sites, during September and December 1994, and April and June 1995. Anchovies and herrings (Clupeiformes) were the most abundant larval fish accounting for 77% of the total abundance. A significant relationship between salinity and the abundance of larval herrings (Opisthonema medirastre and O. dovii) and between the water temperature and the abundance of the weakfish (Cynoscion reticulatus) was found. Anchovies (Anchoa lucida, A. walkeri, and A. nasus) were present in all sampled months, while O. medirastre and O. dovii occurred in December and June, and C. reticulatus in September. Larvae of pelagic fish were more abundant near the surface, while larvae of demersal fish were more abundant near the bottom. The present study, by emphasising the importance of considering temporal and vertical changes in larval fish assemblages in coastal environments with ecological and economic importance, will be useful for designing more efficient sampling programs.

Larval fish assemblages and geostrophic circulation in Bahía de La Paz and the surrounding southwestern region of the Gulf of California

2006 ◽  
Vol 28 (11) ◽  
pp. 1081-1098 ◽  
Author(s):  
L. Sánchez-Velasco ◽  
E. Beier ◽  
C. Avalos-García ◽  
M. F. Lavín
Keyword(s):  
Gulf Of California ◽  
Fish Assemblages ◽  
Larval Fish ◽  
La Paz
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