Spatially explicit estimates of stock size, structure and biomass of North Atlantic albacore tuna (Thunnus alalunga) in the North Atlantic for the period 1973-2011, compiled from statistics about ICCAT fishery region L2

The development of the ecosystem approach and models for the management of ocean marine resources requires easy access to standard validated datasets of historical catch data for the main exploited species. They are used to measure the impact of biomass removal by fisheries and to evaluate the models skills, while the use of standard dataset facilitates models inter-comparison. North Atlantic albacore tuna is exploited all year round by longline and in summer and autumn by surface fisheries and fishery statistics compiled by the International Commission for the Conservation of Atlantic Tunas (ICCAT). Catch and effort with geographical coordinates at monthly spatial resolution of 1° or 5° squares were extracted for this species with a careful definition of fisheries and data screening. In total, thirteen fisheries were defined for the period 1956-2010, with fishing gears longline, troll, mid-water trawl and bait fishing. However, the spatialized catch effort data available in ICCAT database represent a fraction of the entire total catch. Length frequencies of catch were also extracted according to the definition of fisheries above for the period 1956-2010 with a quarterly temporal resolution and spatial resolutions varying from 1°x 1° to 10°x 20°. The resolution used to measure the fish also varies with size-bins of 1, 2 or 5 cm (Fork Length). The screening of data allowed detecting inconsistencies with a relatively large number of samples larger than 150 cm while all studies on the growth of albacore suggest that fish rarely grow up over 130 cm. Therefore, a threshold value of 130 cm has been arbitrarily fixed and all length frequency data above this value removed from the original data set.

El anclaje biológico de la experiencia estética en Dewey

Fil: Anzoátegui, Micaela. Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación. Instituto de Investigaciones en Humanidades y Ciencias Sociales (UNLP-CONICET); Argentina.

Migraciones y desplazamientos de la literatura del '80

El título, Migraciones y desplazamientos poético-ideológicos en la literatura argentina de entre-siglos. De Vicente Gil Quesada, Eduardo Wilde y Lucio V. López a Enrique Loncán, adelanta sus dos hipótesis centrales: la permanencia o continuidad poética e ideológica de escritores de fines del siglo XIX en los trabajos de autores de principios de siglo XX y el intento de superación del mismo período por obras como las de Eduardo Wilde. El cruce de diversos escritores y momentos históricos con sus respectivas creaciones pone de relieve un doble movimiento, el regreso al pasado por parte de quienes desarrollaron su carrera literaria durante los primeros cuarenta años del siglo XX, y la evolución hacia el futuro de quienes se habían desarrollado literariamente entre los años ochenta y noventa del siglo anterior. Este doble movimiento mantiene una relación dialéctica con la historia social, política y cultural del país. Un trabajo de investigación como el planteado necesita de una metodología que no se circunscriba a un solo eje de estudio. Resulta imprescindible tener en cuenta la temporalidad propia de cada movimiento (la generación del ?80, por un lado, y la modernidad como concepción estético-cultural de principios del siglo XX, por el otro) e interrogarse tanto sobre la continuidad como la sincronicidad susceptibles de presentarse a la mirada del crítico. Nuestro corpus de estudio nos permite trabajar sobre una periodización definida y verificar durante la misma, la persistencia de ciertos procedimientos literarios, realizando a su vez cortes transversales que contrasten nuevas especificidades poético-literarias. Una serie de cortes sincrónicos ponen en perspectiva -como sostiene Ives Chevrel- acontecimientos literarios concernientes a estéticas y hasta tiempos diferentes.

El anclaje biológico de la experiencia estética en Dewey

Fil: Anzoátegui, Micaela. Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación. Instituto de Investigaciones en Humanidades y Ciencias Sociales (UNLP-CONICET); Argentina.

Spatially explicit estimates of stock size, structure and biomass of North Atlantic albacore tuna (Thunnus alalunga) in the North Atlantic for the period 1987-2011, compiled from statistics about ICCAT fishery region L7

The development of the ecosystem approach and models for the management of ocean marine resources requires easy access to standard validated datasets of historical catch data for the main exploited species. They are used to measure the impact of biomass removal by fisheries and to evaluate the models skills, while the use of standard dataset facilitates models inter-comparison. North Atlantic albacore tuna is exploited all year round by longline and in summer and autumn by surface fisheries and fishery statistics compiled by the International Commission for the Conservation of Atlantic Tunas (ICCAT). Catch and effort with geographical coordinates at monthly spatial resolution of 1° or 5° squares were extracted for this species with a careful definition of fisheries and data screening. In total, thirteen fisheries were defined for the period 1956-2010, with fishing gears longline, troll, mid-water trawl and bait fishing. However, the spatialized catch effort data available in ICCAT database represent a fraction of the entire total catch. Length frequencies of catch were also extracted according to the definition of fisheries above for the period 1956-2010 with a quarterly temporal resolution and spatial resolutions varying from 1°x 1° to 10°x 20°. The resolution used to measure the fish also varies with size-bins of 1, 2 or 5 cm (Fork Length). The screening of data allowed detecting inconsistencies with a relatively large number of samples larger than 150 cm while all studies on the growth of albacore suggest that fish rarely grow up over 130 cm. Therefore, a threshold value of 130 cm has been arbitrarily fixed and all length frequency data above this value removed from the original data set.