@incollection{fdi:010064375,
  title = {{H}ydroacoustic surveys as contribution to the study of spawning aggregations of {N}assau {G}rouper ({E}pinephelus striatus) in the {Y}ucatan},
  author = {{L}inares, {E}.{O}. and {G}uillard, {J}. and {S}chneider, {P}. and {C}aballero, {P}.{I}. and {G}erlotto, {F}ran{\c{c}}ois and {B}rehmer, {P}atrice},
  editor = {},
  language = {{ENG}},
  abstract = {{O}ne of the main species in the {C}aribbean cost of {Y}ucatan-{M}exico is the {M}ero ({E}pinephelus striatus), but the fisheries are beginning to go down and the principal reason could be the over-catch. {T}he objective of this work is to study the aggregations of the {N}assau {G}rouper, as well as the rest of the fish populations associated with the slope of the {M}exican {C}aribbean of the {Y}ucatán {P}eninsula, using hydroacoustic methods, and to establish a methodology that allows the continuation of these studies for the evaluation and a major knowledge of these resources. {I}n this area the evaluation of the fisheries of fish has not been a priority. {S}ome acoustic surveys were made over three years trying to have a contact with the aggregation of {M}ero in the spawning season. {T}he place selected was the {M}ahahual beach and the south of {C}hinchorro {B}ank {R}eserve. {M}any triangular transects were execute from 8 m depth to the end of the talud till 60m. {T}he main hydroacoustic equipments used was the {BIOSONICS} {DT}-5000 at a frequency of 130 k{H}z and {BIOSONICS} {DT}-{X} at 208 k{H}z that represented a good method to study this specie. {T}he {TS} (target strength) analysis are giving for different depth stratas, the must quantity of fish with {TS} between -35 and -20d{B} were detected in the slopes of 30 and 50 m depth, possibly {M}ero in spawning. {V}isual observations from divers reported some individuals {M}ero and school of different species that are common in this area. {N}o expected concentrations of {M}ero were found but some fishermen report a high {M}ero aggregation in {J}anuary 2001 in {X}calak at south of the surveys.},
  keywords = {{POISSON} {MARIN} ; {DISTRIBUTION} {SPATIALE} ; {ZONE} {COTIERE} ; {PENTE} ; {PONTE} ; {PROSPECTION} {ACOUSTIQUE} ; {SONAR} ; {MEROU} ; {AGREGATION} ; {YUCATAN} ; {MEXIQUE} ; {MER} {DES} {CARAIBES}},
  booktitle = {{IEEE}/{OES} {A}coustics in {U}nderwater {G}eosciences {S}ymposium ({RIO} {A}coustics)},
  numero = {},
  pages = {4},
  address = {{P}iscataway},
  publisher = {{IEEE}},
  series = {},
  year = {2013},
  DOI = {10.1109/{RIOA}coustics.2013.6683993},
  ISBN = {978-1-4799-0362-7},
  URL = {https://www.documentation.ird.fr/hor/fdi:010064375},
}