Spatio-temporal variation of the structural organization of demersal communities in the Southwestern Gulf of Mexico

Spatio-temporal variation of the structural organization of demersal communities in the Southwestern Gulf of Mexico

dc.creatorTorruco, Daniel
dc.creatorA. Chávez, Ernesto
dc.creatorGonzález, Alicia
dc.date2007-06-01
dc.date.accessioned2023-08-03T17:45:10Z
dc.date.available2023-08-03T17:45:10Z
dc.identifierhttps://revistas.ucr.ac.cr/index.php/rbt/article/view/6028
dc.identifier10.15517/rbt.v55i2.6028
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/7896600
dc.descriptionStructural patterns of a sublittoral community were analyzed through a two year series of samples in the Southwestern Gulf of Mexico. The groups involved in the study comprise fishes, molluscs, echinoderms and crustaceans. The time-space progressions of Second 0rder diversity values range between N2=5.3 and N2=9.8 at depths of 40 and 20 m respectively, through the first year of samples. In the second year the highest value (N2=22.2) was found at 30 m. The community ordination data through cluster and principal components analysis show five assemblages: benthic, benthic-demersal, demersal, mid water column, and temporary. There is a striking difference in trophic web structure between the dry season and rainy season. Fish community resource partitioning shows that the components are organized in three guilds: ichthyophagous, carcinophagous and omnivorous. However, a partial overlap of niches was commonly observed, and juvenile stages showed a narrower trophic spectrum than adults.en-US
dc.description--es-ES
dc.formatapplication/pdf
dc.languageeng
dc.publisherUniversidad de Costa Ricaen-US
dc.relationhttps://revistas.ucr.ac.cr/index.php/rbt/article/view/6028/5733
dc.rightsDerechos de autor 2007 Revista de Biología Tropicales-ES
dc.rightshttp://creativecommons.org/licenses/by/4.0es-ES
dc.sourceRevista de Biología Tropical; Vol. 55 No. 2 (2007): Volume 55 – Regular number 2 – June 2007; 509–536en-US
dc.sourceRevista de Biología Tropical; Vol. 55 Núm. 2 (2007): Volumen 55 – Número regular 2 – Junio 2007; 509–536es-ES
dc.sourceRevista Biología Tropical; Vol. 55 N.º 2 (2007): Volumen 55 – Número regular 2 – Junio 2007; 509–536pt-PT
dc.source2215-2075
dc.source0034-7744
dc.source10.15517/rbt.v55i2
dc.subjectInvertebrados marinosen-US
dc.subjectpecesen-US
dc.subjectcomposición de comunidaden-US
dc.subjectdiversidaden-US
dc.subjectespectro tróficoen-US
dc.subjectGolfo de Méxicoen-US
dc.subjectVeracruz.en-US
dc.subjectMarine invertebratesen-US
dc.subjectfishen-US
dc.subjectcommunity compositionen-US
dc.subjectdiversityen-US
dc.subjecttrophic spectrumen-US
dc.subjectGulf of Mexicoen-US
dc.titleSpatio-temporal variation of the structural organization of demersal communities in the Southwestern Gulf of Mexicoen-US
dc.titleSpatio-temporal variation of the structural organization of demersal communities in the Southwestern Gulf of Mexicoes-ES
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion
dc.typeArticleen-US
dc.typeTexten-US


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