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  • 1
    Publication Date: 2021-05-19
    Description: El presente informe final contiene los elementos más recientes en la evaluación de stock y CTP 2010 de merluza tres aletas, para lo cual incorpora piezas de información recogidas de varios talleres nacionales e internacionales, así como también de una nueva metodología de análisis de indicadores de abundancia CPUE. Se presentan diferentes análisis que permitirán a la administración disponer de distintos escenarios donde podrá contrastar distintas hipótesis, lo que intentan suplir el importante vacío en el conocimiento del ciclo de vida del recurso merluza de tres aletas en aguas Chilenas.
    Description: This final report contains the most recent stock assessment of hake and 2010 CTP three fins, for which incorporates pieces of information collected from various national and international workshops, as well as a new methodology for analyzing abundance indicators CPUE. Different tests are presented to enable the administration to have different scenarios where you can compare different scenarios, which attempt to fill the important gap in knowledge of the life cycle of three fins hake resource in Chilean waters.
    Description: Published
    Keywords: Pelagic fisheries ; Biomass ; Bathymetric data ; Trap fishing ; Landing statistics ; Recruitment ; Spawning ; Stock assessment ; Longlining ; Age determination ; Size-at-age ; Length-weight relationships ; Salinity ; Micromesistius australis
    Repository Name: AquaDocs
    Type: Report , Non Refereed
    Format: 46pp. & Anexos
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  • 2
    Publication Date: 2021-05-19
    Description: A la luz del conocimiento biológico y pesquero de la especie, la presente evaluación de stock se realiza a través de un modelo estadístico de captura a la edad que asume los desembarques como una observación sin error, disgregado en flota, haciendo evaluaciones separadas para las áreas de a PDA. Además, se incluyen datos de estructuras de tallas, capturas y rendimientos para la flota espinelera artesanal que actúa en la zona norte de la PDA. En este contexto, los objetivos del presente informe son: (i) implementar procedimientos de asesoría científica necesarios, para brindar el mejor conocimiento posible acerca del estado del recurso en la zona de estudio, incorporando un adecuado tratamiento de las principales fuentes de incertidumbre. (ii) Establecer un diagnostico científicamente fundado del recurso en la zona de estudio.
    Description: In the light of biological knowledge and fisheries of the species, the present stock assessment is done through a statistical model of catch at age that assumes the landings as an observation without error, disintegrated in a fleet, with separate assessments for areas of a PDA. Also included are data structures of sizes, catches and returns for the artisanal longline fleet operating in the northern part of the PDA. In this context, the objectives of this report are: (i) implement procedures for scientific advice necessary to provide the best possible knowledge about the state of the resource in the study area, incorporating a suitable treatment of the main sources of uncertainty. (ii) establish a scientifically sound diagnosis of the resource in the study area.
    Description: Unpublished
    Keywords: Demersal fish ; Biomass ; Bathymetric data ; Trap fishing ; Landing statistics ; Recruitment ; Spawning ; Stock assessment ; Longlining ; Age determination ; Size-at-age ; Length-weight relationships ; Salinity ; Genypterus blacodes
    Repository Name: AquaDocs
    Type: Report , Non Refereed
    Format: 50pp.
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  • 3
    Publication Date: 2021-05-19
    Description: El informe establece el estatus actual del recurso bacalao de profundidad (Dissostichus eleginoides) en todo su rango distribucional nacional empleando metodologías robustas para la estimación de sus efectivos explotables, y evalúa estrategias de explotación viables para la pesquería en horizontes de corto plazo (año 2011) y también de mediano plazo (años 2011 a 2016), considerando las distinciones geográficas de su pesquería.
    Description: The report provides the current status of the resource toothfish (Dissostichus eleginoides) throughout its national distributional range using robust methodologies for estimating the actual exploitable, and evaluates strategies for operating the fishery viable short-term horizons (year 2011) and medium-term (years 2011 to 2016), considering the geographic distinctions in their fishing.
    Description: Unpublished
    Keywords: Biomass ; Bathymetric data ; Trap fishing ; Landing statistics ; Recruitment ; Spawning ; Stock assessment ; Longlining ; Age determination ; Size-at-age ; Length-weight relationships ; Salinity ; Dissostichus eleginoides
    Repository Name: AquaDocs
    Type: Report , Non Refereed
    Format: 52pp. & Anexos
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  • 4
    Publication Date: 2021-05-19
    Description: Se realiza un análisis de la información de merluza de cola histórica recopilada desde 1968 al 2006, basado en un modelo que permite interpretar las distintas piezas de información disponibles bajo una premisa puramente estadística, y por ende los resultados están condicionados tanto a las distintas hipóteisis asumidas como a la estructura del modelo de evacuación.
    Description: An analysis of information collected historical hoki from 1968 to 2006, based on a model to interpret the distinatas pieces of information are available on a purely statistical premise, and therefore the results a re conditioned both taken different hipotesis and the structure of the evacuation model.
    Description: Published
    Keywords: Trawling ; Pelagic fisheries ; Biomass ; Trap fishing ; Landing statistics ; Recruitment ; Spawning ; Stock assessment ; Longlining ; Age determination ; Size-at-age ; Length-weight relationships ; Salinity ; Bathymetric data ; Macruronus magellanicus
    Repository Name: AquaDocs
    Type: Report , Non Refereed
    Format: 69pp.& Anexos
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  • 5
    Publication Date: 2021-05-19
    Description: En el presente documento se entregan los resúmenes de la evaluación de stock y recomendación de cuotas de capturas para el 2011 realizados por el Departamento de Recursos para 16 recursos pesqueros de mayor importancia comercial.
    Description: This document summaries of stock assessment and recommendation of catch quotas for 2011 conducted by the Department of Resources 16 fishery resources of commercial importance are delivered.
    Description: Unpublished
    Keywords: Demersal fish ; Biomass ; Stock assessment ; Trap fishing ; Landing statistics ; Recruitment ; Spawning ; Bathymetric data ; Age determination ; Size-at-age ; Length-weight relationships ; Merluccius gayi ; Dosidicus gigas ; Trachurus murphyi
    Repository Name: AquaDocs
    Type: Report , Non Refereed
    Format: 39pp.
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  • 6
    Publication Date: 2021-05-19
    Description: Se describe e implementa un modelo de dinámica de poblaciones estructurado por sexo y edad, usando los desembarques, la captura a la talla y los rendimientos de pesca como calibradores del modelo. Se utiliza la información mas completa recopilada entre Talcahuano y Cabo de Hornos. El modelo incorpora los más recientes y confiables parámetros de historia de vida, con objeto de reproducir adecuadamente los procesos vitales de esta especie.
    Description: It describes and implements a structured population dynamics by sex and age, using desembarques, the catch size and fishing yields as gauges of the model. Using the most comprehensive information gathered from Talcahuano and Cape Horn. Model incorporates the most recent and reliable life history parameters in order to reproduce adequately the vital processes of this kind.
    Description: Published
    Keywords: Demersal fish ; Biomass ; Bathymetric data ; Landing statistics ; Recruitment ; Spawning ; Stock assessment ; Age determination ; Size-at-age ; Length-weight relationships ; Salinity ; Sexual maturity ; Biological data ; Trap fishing ; Dipturus chilensis
    Repository Name: AquaDocs
    Type: Report , Non Refereed
    Format: 45pp. & Anexos
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  • 7
    Publication Date: 2021-05-19
    Description: El informe establece el estatus del recurso merluza del sur (Merluccius australis) en el área marítimo administrativa de su pesquería industrial (paralelos 41°28,6''S y 57°'00'S) y artesanal (Regiones X, XI y XII), y evalúa las estrategias de explotación sustentables.
    Description: The report provides the status of the appeal of southern hake (Merluccius australis) in the maritime administration of its fishing industry (41°28,6' S y 57°00' S) and artisanal (Regions X, XI and XII), and evaluates strategies sustainable exploitation.
    Description: Unpublished
    Keywords: Demersal fish ; Biomass ; Bathymetric data ; Trap fishing ; Landing statistics ; Recruitment ; Spawning ; Stock assessment ; Longlining ; Age determination ; Size-at-age ; Length-weight relationships ; Salinity ; Merluccius australis
    Repository Name: AquaDocs
    Type: Report , Non Refereed
    Format: 51pp. & Anexos
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