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Record 1,  Textual support,  English

Record number: 1, Textual support number: 1 CONT

Variation in length at age was simulated with platoons of different [fish] lengths within each year-class.... Determination of mean lengths at age is an important task in many fishery investigations. Such data are often used to characterize growth and can lead to models of growth with age or studies of density-independent and density-dependent effects of environmental conditions on population structure and dynamics.  3, record 1, English, - mean%20length%2Dat%2Dage

Record 1,  Textual support,  French

Record 1,  Textual support,  Spanish

Record 2,  Textual support,  English

Record number: 2, Textual support number: 1 CONT

Year-class size of marine fish is thought to be determined during the first year of life, with density-dependent mortality occurring during the larval or juvenile stages. However, investigations of such dynamics are often limited by data availability. To test this paradigm for winter flounder... in [the bay], the abundances of 29 year classes moving through seven life stages were analyzed with a novel extension of key-factor analysis.  2, record 2, English, - year%2Dclass%20size

Record 2,  Textual support,  French

Record number: 2, Textual support number: 1 CONT

L'effectif des classes d'âge de poissons marins serait déterminé durant la première année de vie, tandis que la mortalité densité-dépendante a lieu durant les stades larvaire et juvénile. Toutefois, les études sur ce type de dynamique sont limitées par la disponibilité de données. Pour vérifier ce paradigme pour la plie rouge [...] dans la baie [...], l'abondance de 29 classes d'âge [a été analysée] au fil de sept étapes du cycle biologique à l'aide d'une nouvelle extension d'analyse par facteurs clés.  3, record 2, French, - taille%20des%20classes%20d%27%C3%A2ge

Record 2,  Textual support,  Spanish

Record 3,  Textual support,  English

Record number: 3, Textual support number: 1 CONT

Fisheries science brings together ecology, mathematics and statistics, population dynamics, and marine biology to better understand fish stocks and fisheries so that they can be sustainably managed.  2, record 3, English, - fisheries%20science

Record 3,  Textual support,  French

Record number: 3, Textual support number: 1 CONT

Les sciences halieutiques réunissent l'écologie, les mathématiques et les statistiques, la dynamique des populations et la biologie marine pour mieux comprendre les stocks de poissons et les pêches afin de pouvoir les gérer de façon durable.  2, record 3, French, - science%20halieutique

Record number: 3, Textual support number: 1 OBS

science halieutique : désignation habituellement utilisée au pluriel.  3, record 3, French, - science%20halieutique

Record 3,  Textual support,  Spanish

Record 4,  Textual support,  English

Record number: 4, Textual support number: 1 CONT

The identification of stock structure is a necessary step for the effective management of multistock fisheries. As stocks are reproductively isolated from other members of the population, disregard of individual stock dynamics may alter genetic diversity of a population if one or more stocks are lost due to overexploitation or other causes... The knowledge of individual stock dynamics allows managers to assess fish population stability and set sustainable harvest limits. Monitoring inidividual stock dynamics within a population provides the opportunity to assess differential survival and contribution to the fishery. Once stock structure is uncovered, patterns in stock contribution can be managed by setting up measures to enhance or sustain stocks when annual production is lower than desired.  2, record 4, English, - multistock%20fishery

Record 4,  Textual support,  French

Record 4,  Textual support,  Spanish

Record 5,  Textual support,  English

Record number: 5, Textual support number: 1 CONT

The data obtained by [a] tag-recapture method are commonly used to evaluate the fish population dynamics and the effect of stock enhancement. However, to ensure the accuracy of the recapture data, it is necessary to choose the appropriate fish size for tagging.... In the first experiment, the effects of T-bar anchor tags on growth, survival and tag retention of... four size groups [of fish] were examined and the size-dependent effects on survival and tag retention were tested. In the second experiment, different mix ratios of tagged fish and untagged fish from two size groups... were set for simulated catching and the catching results were resampled.  1, record 5, English, - tag%2Drecapture%20method

Record 5,  Textual support,  French

Record 5,  Textual support,  Spanish

Record 6,  Textual support,  English

Record number: 6, Textual support number: 1 CONT

Mortality is a key component to understanding population dynamics of fish species. Total mortality is often estimated from the sequential decline observed in cohorts of fish.... catch curve [methods are] used to analyze this decline... All catch curves have three regions of interest : an ascending left limb, a domed middle portion, and a descending right limb... The ascending left limb represents age-classes of fish that are not yet fully vulnerable to the gear used in fishery. Fish in these age-classes are said to have "not fully recruited to the fishery. "The catches of fish in these age-classes are not useful for estimating the total mortality rate.  4, record 6, English, - ascending%20left%20limb

Record 6,  Textual support,  French

Record number: 6, Textual support number: 1 CONT

Le membre gauche ascendant et le dôme de la courbe de capture représentent des classes d'âge incomplètement capturées par l'engin d'échantillonnage : c'est-à-dire capturées moins fréquemment, par rapport à leur abondance, que le sont les poissons plus âgés. Cela peut provenir du fait que les jeunes poissons sont davantage concentrés dans une autre partie de la masse d'eau que celle surtout pêchée, ou qu'ils sont moins enclins à mordre aux appâts ou à pénétrer dans les filets. Toutes choses étant égales, le taux de mortalité totale ira en augmentant pendant cette période de recrutement. Cependant, il est impossible de rien trouver de défini sur le taux réel de mortalité durant les années couvertes par le membre gauche et le dôme de la courbe, tout simplement parce que la population n'est pas échantillonnée au hasard [...]  1, record 6, French, - membre%20gauche%20ascendant

Record 6,  Textual support,  Spanish

Record 7,  Textual support,  English

Record number: 7, Textual support number: 1 CONT

Reef fish, as predators or grazers, play an important role in the community dynamics of coral reefs.  2, record 7, English, - reef%20fish

Record 7,  Textual support,  French

Record 7,  Textual support,  Spanish

Record 8,  Textual support,  English

Record number: 8, Textual support number: 1 CONT

[They] developed a trophodynamics model combining the models describing plankton dynamics and prey-predator systems among the dominant plankton and fishes in the Oyashio shelf region to forecast the response of fish production to possible changes in the physical environment.  2, record 8, English, - trophodynamics%20model

Record 8,  Textual support,  French

Record number: 8, Textual support number: 1 CONT

[Il s'agit d'un] modèle trophodynamique qui permet de comprendre l'organisation et le fonctionnement trophique d'un écosystème en le considérant dans sa totalité.  1, record 8, French, - mod%C3%A8le%20trophodynamique

Record 8,  Textual support,  Spanish

Record 9,  Textual support,  English

Record number: 9, Textual support number: 1 OBS

Food and Agriculture Organization of the United Nations  2, record 9, English, - Advisory%20Committee%20on%20Fishery%20Research

Record number: 9, Textual support number: 2 OBS

Main functions : To study and advise the Director-General on the formulation and execution of the Organization's work in respect of all aspects of fisheries research including conservation and management of marine and inland fishery resources, increasing fish productivity through enhancement of wild resources and through aquaculture, improving the means of converting fishery resources into human food and study the dynamics of fishing communities and the socio-economic consequences of government fishery policies. Special attention is provided to the fisheries aspects of oceanographic research and to the impacts of environmental change on the sustainability of fisheries.  3, record 9, English, - Advisory%20Committee%20on%20Fishery%20Research

Record 9,  Textual support,  French

Record number: 9, Textual support number: 1 OBS

Organisation des Nations Unies pour l'alimentation et l'agriculture  2, record 9, French, - Comit%C3%A9%20consultatif%20de%20la%20recherche%20halieutique

Record number: 9, Textual support number: 2 OBS

Fonctions principales : étudier la formulation et l'exécution du travail de l'Organisation en ce qui concerne tous les aspects de la recherche sur les pêches et conseiller le Directeur général à ce sujet, y compris la conservation et la gestion des ressources halieutiques marines et intérieures, la productivité croissante du poisson grâce à l'amélioration des ressources sauvages et à l'aquaculture, l'amélioration des moyens de transformation des ressources halieutiques en produits pour l'alimentation humaine et l'étude de la dynamique des communautés de pêcheurs et les conséquences socio-économiques des politiques de pêche des gouvernements. Une particulière attention est partie aux aspects halieutiques de la recherche océanographique et aux impacts des changements de l'environnement sur la durabilité des pêcheries.  3, record 9, French, - Comit%C3%A9%20consultatif%20de%20la%20recherche%20halieutique

Record 9,  Textual support,  Spanish

Record number: 9, Textual support number: 1 OBS

Organización de las Naciones Unidas para la Agricultura y la Alimentación  2, record 9, Spanish, - Comit%C3%A9%20Asesor%20sobre%20Investigaciones%20Pesqueras

Record number: 9, Textual support number: 2 OBS

Funciones principales: Hacer estudios y asesorar al Director General sobre la formulación y ejecución de la labor de la Organización en relación con todos los aspectos de la investigación pesquera, incluyendo la conservación y ordenación de los recursos pesqueros marinos y continentales, incrementar la productividad pesquera mediante actividades de fomento de los recursos silvestres y mediante la acuicultura, mejorar los medios de convertir los recursos pesqueros en alimentos humanos y estudiar la dinámica de las comunidades pesqueras y las consecuencias socioeconómicas de las políticas pesqueras gubernamentales. Se presta atención especial a los aspectos pesqueros de la investigación oceanográfica y a los efectos del cambio ambiental en la sostenibilidad de la pesca.  4, record 9, Spanish, - Comit%C3%A9%20Asesor%20sobre%20Investigaciones%20Pesqueras