https://socictopen.socict.org/files/original/75453f99b9ec9ea1fe087ae705ac2b9d.pdf e49ce442e44d2cbef1bc6142da622bd5 Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Agricultura sostenible Description An account of the resource Dominio científico: Agricultura sostenible Text A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text. Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Alimentación y relaciones tróficas del pez espada (Xiphias gladius Linnaeus, 1758), frente a Chile centro-norte durante 2005 Feeding and trophic relationships of the swordfísh (Xiphias gladius Linnaeus, 1758), off central and northern Chile during 2005 Creator An entity primarily responsible for making the resource Sergio Letelier, Roberto Melendez, Esteban Carreño, Sebastián López, Patricio Barría Description An account of the resource Se analizaron 126 estómagos de pez espada (Xiphias gladius), capturados entre los 25° y 34°S y 78° y 90°W, por barcos palangreros de la pesquería industrial frente a Chile centro-norte. Del total de estómagos analizados, 54 se encontraron vacíos (42,9%) y 72 (57,1%) presentaron sus estómagos con contenidos, de estos últimos la proporción sexual correspondió a 32 machos (44,4%), 37 hembras (51,4%o) y 3 indeterminados (4,2%o). Para el análisis de contenidos estomacales se utilizaron los métodos numéricos, de frecuencia, gravimétricos e índice de importancia relativa (IIR). Los cefalópodos fueron el alimento principal (%IIR > 90), mientras que los peces aparecen como alimento secundario (%IIR < 4). El cefalópodo Dosidicus gigas fue la presa principal (%IIR = 85,1). No se encontró diferencia significativa entre la alimentación por sexos ({/= 81; p = 0,4862, p < 0,05). Los análisis de conglomerados revelaron que los contenidos estomacales son más similares en otoño e invierno que en primavera; mientras que entre los distintos grupos de tallas el grupo I aparece como distinto del resto de las tallas, y los estómagos analizados provenientes de la zona 3 serían más diferentes que el resto de las áreas estudiadas.A total of 126 sword-fish (Xiphias gladius) stomach were analyzed. The stomachs were obtained from specimens captured within the 25° to 34°S and 78° to 90°W área, by industrial longline vessels. Only 72 (57.1%) of the total stomach had food ítems in their stomachs, whit a sex proportion of 32 males (44.4%o), 37 females (51.4%) and 3 indeterminate (4.2%). Traditional methods for the stomach contents analysis such as the numeric, frequency of occurrence, gravimetric and índex of relative importance (IRI) were used. Cephalopods were the main food ítems (%IIR > 90) followed by the fishes (%IIR < 4). The squid (Dosidicus gigas) was the principal food in this study (%IIR = 85.1). No significant differences were found between the feeding of males and females of swordfishes (U = 81; p = 0.4862, p < 0.05). A cluster analysis showed higher stomach contents similarity between fall and winter than those from spring, within the size groups the I group was different than others and finally, the feeding from zone 3 were different from others zones. Date A point or period of time associated with an event in the lifecycle of the resource 2009 Subject The topic of the resource Chile, Pacífico suroriental, Southeastern Pacific Ocean, Xiphias gladius, ecología trófica, feeding Source A related resource from which the described resource is derived Latin American Journal of Aquatic Research Publisher An entity responsible for making the resource available Escuela de Ciencias del Mar, Facultad de Recursos Naturales, Pontificia Universidad Católica de Valparaíso Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant Biology (General), Oceanography, Aquaculture. Fisheries. Angling Relation A related resource <a href="http://www.scielo.cl/scielo.php?script=sci_arttext&amp;pid=S0718-560X2009000100009" target="_blank" rel="noreferrer noopener">http://www.scielo.cl/scielo.php?script=sci_arttext&amp;pid=S0718-560X2009000100009</a>