Approving Users for Self Submittal in to the IR@UF and Other Collections in SobekCM (Portal and System Administrators) Auteur(s) : Taylor, Laurie N. Éditeur(s) : George A. Smathers Libraries, University of Florida George A. Smathers Libraries, University of Florida ( Gainesville, FL ) Résumé : Internal processing information including using SobekCM for managing, assigning, and granting user rights and permissions for self-submittals. Droits : [cc0] The author dedicated the work to the Commons by waiving all of his or her rights to the work worldwide under copyright law and all related or neighboring legal rights he or she had in the work, to the extent allowable by law. http://ufdc.ufl.edu/AA00017119/00025 | Partager |
Migration & Ingest from CONTENTdm: Notes on Processing for Partners Auteur(s) : Taylor, Laurie N. Sullivan, Mark V. Éditeur(s) : George A. Smathers Libraries, University of Florida Digital Library of the Caribbean ( dLOC ) George A. Smathers Libraries, University of Florida ( Gainesville, FL ) Digital Library of the Caribbean ( dLOC ) ( Miami, FL ) Droits : [cc0] The author dedicated the work to the Commons by waiving all of his or her rights to the work worldwide under copyright law and all related or neighboring legal rights he or she had in the work, to the extent allowable by law. http://ufdc.ufl.edu/AA00017119/00017 | Partager |
Born Digital Curation of PDFs for High Quality Display (and Not Printing) Auteur(s) : Dinsmore, Chelsea Taylor, Laurie N. Éditeur(s) : George A. Smathers Libraries, University of Florida George A. Smathers Libraries, University of Florida ( Gainesville, FL ) Résumé : Many publishers, scholarly contributors, and others often contribute born-digital PDFs where they do not want the PDFs available online. In cases where contributors are granting permissions for page view image views enabled (JPG, JP2, JPGthumbnails) and not the PDF, they are granting permissions to allow the item to be easily viewed online but not easily printed in high quality. This document explains the digital curation workflow processing for these needs. Droits : [cc0] The author dedicated the work to the Commons by waiving all of his or her rights to the work worldwide under copyright law and all related or neighboring legal rights he or she had in the work, to the extent allowable by law. http://ufdc.ufl.edu/AA00017119/00037 | Partager |
Library Liaison Teams for Data and Digital Scholarship Projects & Collections Auteur(s) : Taylor, Laurie N. Éditeur(s) : George A. Smathers Libraries, University of Florida Digital Library of the Caribbean ( dLOC ) George A. Smathers Libraries, University of Florida ( Gainesville, FL ) Digital Library of the Caribbean ( dLOC ) ( Miami, FL ) Droits : [cc0] The author dedicated the work to the Commons by waiving all of his or her rights to the work worldwide under copyright law and all related or neighboring legal rights he or she had in the work, to the extent allowable by law. http://ufdc.ufl.edu/AA00017119/00021 | Partager |
Domain Names (URLs) Maintained by the UF Smathers Libraries Auteur(s) : Taylor, Laurie N. Éditeur(s) : George A. Smathers Libraries, University of Florida George A. Smathers Libraries, University of Florida ( Gainesville, FL ) Résumé : This is draft document represents the update to the workflow for supporting external Domain Name registrations by the UF Smathers Libraries in support of specific, approved collaborative projects with the process for consideration, approval, commitment, registration, and renewal processing. Droits : [cc0] The author dedicated the work to the Commons by waiving all of his or her rights to the work worldwide under copyright law and all related or neighboring legal rights he or she had in the work, to the extent allowable by law. http://ufdc.ufl.edu/AA00017119/00041 | Partager |
Example Insert Sheet for Archival Collections, Added to Folders in Archival Collections When Items Are Digitized) Auteur(s) : Taylor, Laurie N. Éditeur(s) : George A. Smathers Libraries, University of Florida George A. Smathers Libraries, University of Florida ( Gainesville, FL ) Résumé : This example insert sheet for archival collections complements printed production tracking sheets and online tracking systems in SobekCM. With archival collections, there are many cases where an item from a folder will be digitized without the full folder or collection being digitized. In those cases, printed sheets like this example are added as inserts at the front of the physical folder to alert internal and patron users of the digital content available, and to support coherence and consistent handling for any future digitization. Droits : [cc0] The author dedicated the work to the Commons by waiving all of his or her rights to the work worldwide under copyright law and all related or neighboring legal rights he or she had in the work, to the extent allowable by law. http://ufdc.ufl.edu/AA00017119/00038 | Partager |
Drifting FADs used in tuna fisheries: an ecological trap? Auteur(s) : Marsac, F Fonteneau, Alain Menard, Frederic Éditeur(s) : Pêche thonière et dispositifs de concentration de poissons, Caribbean-Martinique, 15-19 Oct 1999 Résumé : This paper discusses the hypothesis that small tunas and the various species found in association with drifting fads (such as "mahi-mahi", rainbow runner, wahoo, etc.) may be biologically trapped by such a strong association. Massive seeding of drifting artificial fads was observed worldwide during recent years. In this hypothesis, we suggest that fads may alter some biological characteristics of epipelagic populations associated with them: migration, growth, condition factors, predation and natural mortality. As fads are most often used in the equatorial currents, they tend to exhibit zonal drift. Therefore, the associated populations would be artificially transferred from one part of the ocean to another, when they would show different movement patterns in the absence of fads. Natural logs were probably beneficial in terms of ecology and evolution, because they tend to accumulate in convergence areas, most often considered as rich forage areas. Now, fads are seeded in offshore areas, which are not necessarily favourable for tuna feeding. This apparently strong association between fishes and drifting fads may then produce an unexpected biological impact on tuna populations and their associated fauna. The plan is to test this hypothesis in the Atlantic, developing an ad hoc research programme based on tagging, biological and physiological studies, in association to an analysis of high resolution fishery data before and after the development of the fad fishery.Original Abstract: Cet article discute l'hypothese selon laquelle les petits thons et les differentes especes associees a des DCP derivants (comme les coryphenes, elagatis, thazards, etc.) pourraient etre pris dans un piege biologique resultant de cette forte association. Le deploiement massif de DCP artificiels derivants a ete constate a l'echelle mondiale au cours des dernieres annees. Dans cette hypothese, ces DCP, colonises en permanence par de grandes fractions de populations epipelagiques, pourraient modifier les caracteristiques biologiques des especes concernees: leur migration, leur croissance, leurs facteurs de condition, la predation et la mortalite naturelle. Les DCP etant plus frequemment utilises dans les courants equatoriaux, ils tendent a deriver zonalement. Ainsi, les populations associees seraient artificiellement transferees d'un bord a l'autre de l'ocean, alors qu'elles manifesteraient d'autres types de deplacements en l'absence de DCP. Les debris naturels etaient probablement benefiques sur le plan de l'ecologie et de l'evolution car ils s'accumulent dans des zones de convergence le plus souvent considerees comme des zones riches en nourriture. Maintenant, les DCP sont mouilles au large, dans des zones qui peuvent ou non etre favorables a l'alimentation des thons. Cette association apparemment forte entre poissons et DCP derivants pourrait alors causer un impact biologique inattendu sur les populations pelagiques (thons et faune accompagnante). L'objectif est de tester cette hypothese dans l'Atlantique au moyen d'un programme de recherche s'appuyant sur du marquage et des etudes biologiques et physiologiques, parallelement a une analyse des donnees de peche (tailles et CPUE, avant et apres le deploiement des DCP derivants). Droits : info:eu-repo/semantics/openAccess http://archimer.ifremer.fr/doc/00042/15303/12636.pdf http://archimer.ifremer.fr/doc/00042/15303/ | Partager |
Procedures for Deleting Auteur(s) : Taylor, Laurie N. Éditeur(s) : George A. Smathers Libraries, University of Florida George A. Smathers Libraries, University of Florida ( Gainesville, FL ) Résumé : This is a draft document. This draft document, if/when approved, will complement the procedures for moving or removal-to-dark and updating metadata for moved items. This is a procedure for supporting an instance where an item that cannot be online is placed online and must be fully removed/deleted. Droits : [cc0] The author dedicated the work to the Commons by waiving all of his or her rights to the work worldwide under copyright law and all related or neighboring legal rights he or she had in the work, to the extent allowable by law. http://ufdc.ufl.edu/AA00017119/00039 | Partager |
The duration of migration of Atlantic Anguilla larvae Auteur(s) : Bonhommeau, Sylvain Castonguay, Martin Rivot, Etienne Sabatie, Richard Le Pape, Olivier Éditeur(s) : Wiley-blackwell Publishing, Inc Résumé : Oceanic larvae of the European (Anguilla anguilla) and American (A. rostrata) eels have to cross the Atlantic Ocean from the Sargasso Sea to European or North American coasts before entering continental habitats. In some European rivers, eel recruitment is now < 1% of levels in the 1980s. A better understanding of the effects of anthropogenic pressures and environmental fluctuations on eel larvae and subsequent recruitment is a prerequisite to build efficient management plans. The present paper provides insight into the critical oceanic phase of the eel life cycle with a focus on the duration of the larval migration whose estimates varies between 7 months and more than 2 years in both species. Does this range correspond to a natural variability in larval duration or does it stem from methodological artefacts? We first review the different methods used to estimate the duration of larval migration and critically describe their possible sources of misinterpretation. We then evaluate the consistency of these methods with the current knowledge about the ecology and physiology of eel larvae and the physical oceanography. While a moderate discrepancy in migration duration was found between methods for the American eel, the discrepancy was large in the European eel. In this species, otolith microstructure studies indicated migration durations between 7 and 9 months, while other methods pointed to durations of about 2 years. We show that estimates in favour of a long migration duration seem more robust to methodological caveats than methods estimating short durations of migration. Fish And Fisheries (1467-2960) (Wiley-blackwell Publishing, Inc), 2010-09 , Vol. 11 , N. 3 , P. 289-306 Droits : 2010 Blackwell Publishing Ltd. http://archimer.ifremer.fr/doc/00011/12208/9033.pdf DOI:10.1111/j.1467-2979.2010.00362.x http://archimer.ifremer.fr/doc/00011/12208/ | Partager |
Digital Curation Workflow: Ingesting Partner Records with OAI-PMH Auteur(s) : Dinsmore, Chelsea Shorey, Christy Taylor, Laurie N. Yellapantula, Suchitra Éditeur(s) : George A. Smathers Libraries, University of Florida George A. Smathers Libraries, University of Florida ( Gainesville, FL ) Résumé : UF leverages its robust technical infrastructure to support many collaborative projects and materials from many partner institutions in a variety of ways. UF supports the full technical workflow with online curation tools and hosting of all digital files. In some cases partners host their own materials and UF ingests the metadata to have all partner materials findable and linked/referenced from the collaborative digital library hosted at UF. Droits : [cc0] The author dedicated the work to the Commons by waiving all of his or her rights to the work worldwide under copyright law and all related or neighboring legal rights he or she had in the work, to the extent allowable by law. http://ufdc.ufl.edu/AA00017119/00035 | Partager |
Baldwin Mini-Grant Scanning Information Sheet ( Complement/Alternate with SobekCM Tracking Sheets ) : Digitization & Digital Production Project and Production Management Resources from SobekCM Auteur(s) : Alteri, Suzan Éditeur(s) : George A. Smathers Libraries, University of Florida George A. Smathers Libraries, University of Florida ( Gainesville, FL ) Résumé : Internal tracking sheet version specifically for the Baldwin Library of Historical Children's Literature for the 2014 mini grant to establish a Baldwin Library Scholars Council. Droits : [cc0] The author dedicated the work to the Commons by waiving all of his or her rights to the work worldwide under copyright law and all related or neighboring legal rights he or she had in the work, to the extent allowable by law. http://ufdc.ufl.edu/AA00017119/00022 | Partager |
Atelier 45 : le tout-monde en devenir Auteur(s) : Lampla, Suzanne Auteurs secondaires : Lefrançois, Frédéric Année de publication : Loading the player... Éditeur(s) : Université des Antilles Tropiques Atrium Scène national - Martinique Extrait de : "Rendre hommage à l'Atelier 45" : conférence, le 15 octobre 2016. Université des Antilles Description : Suzanne Lampla a enseigné l'anglais en lycée. Elle est spécialisée dans le secteur d'activité de la traduction et l'interprétation. Elle s'intéresse à la peinture américaine et caribéenne anglophone. Elle appartient à l'AICA-Section Caraïbe du Sud, et à L'AMCA. Elle a aussi écrit des articles pour la revue du CEREAP et le Magazine « Arthème ». Une approche thématique nous donne ici l'occasion de resituer le mouvement Atelier 45 dans la Caraïbe. Entre la « Harlem Renaissance » et le « Caribbean Art Movement », plus récent, l'évolution se fait à travers les dates, les événements et les variations géopolitiques. En se basant sur des citations et des références appropriées, il s'agira de mettre en évidence des éléments tels que la migration, l'identité en devenir, comme le souligne Stuart Hall, disparu récemment. Derick Walcott et Edouard Glissant viennent aussitôt confirmer un ancrage dans les éléments immuables de notre culture créole. Siècle(s) traité(s) : 21 Droits : CC-BY-NC-ND - Attribution - Pas d'utilisation commerciale - Pas de modification Permalien : http://www.manioc.org/fichiers/V16311 V16311 | Partager |
Fluctuations à long terme du thon rouge: validité, origines et conséquences Auteur(s) : Ravier, Christelle Éditeur(s) : Ecole nationale supérieure agronomique de Rennes Résumé : Describe and gain understanding on fluctuations in animal population over time and space is a central goal of population ecology. This is also crucial to ensure the sustainable management of exploited resources, particularly those with complex population dynamics such as the bluefin tuna. The goal of this work is to collect bluefin tuna catches from the ancestral Mediterranean and Atlantic trap fisheries to (i) characterise long-term fluctuations in bluefin tuna population migrating in the Mediterranean, (ii) analyse their causes et (iii) assess their implications for fisheries management. The bluefin tuna main biological and ecological characteristics are first detailed. Then, the first part presents the trap fishery, and the process of collect and validation of the historical catches. This leads to develop a data base of 54 time-series more than 20 years long, the longest ones spanning about four centuries. Mean historical catches were around 15 000 tons/year ([7 000;25 000]). Time-series are analysed in a second part. Temporal variability of trap catches may be decomposed in three components: 100-year-long periodic fluctuations, 20-year cycles and inter-annual variations. These medium- to long-term fluctuations, representing more than 50% of the variability in the time-series, were synchronous all around the western Mediterranean and adjacent North Atlantic. In contrast, short-term variability was synchronous at a local scale only. It is argued that long-term fluctuations in trap catches could be considered as a proxy for those in abundance, and a synthetic time-series is computed to depict them. Biological and ecological processes that could cause such long-term fluctuations are discussed in a third part. We tested whether long-term fluctuations in Atlantic bluefin tuna might be related to large-scale environmental changes, using long time-series of the North Atlantic Oscillation (NAO), the Length of the Day index (LOD, a proxy of the atmospheric circulation index ACI) and the temperature. Spectral analyses of trap catches, LOD and temperature displayed similar spectra with peak at low frequency, whereas those of the NAO exhibited a broad band spectrum. Regression analyses and tests of correlation did not reveal any clear relationship between trap catches on the one hand and NAO and LOD on the other hand. In contrast, long-term fluctuations in trap catches appear to be negatively and significantly related to long-term trends in temperature. Underlying processes that could explain such a relationship are discussed, with special focus on changes in migration patterns. Finally, implications of such fluctuations in term of fisheries management are discussed in a fourth part. A simulation framework, in which a simulated population dynamics model is coupled with a VPA, is built to test the pertinence of the diagnostic of stock assessment according to different scenarios on fluctuations origins and population status. In the hypothesis of fluctuations linked to variations in the recruitment, VPA appears able to reconstruct the fluctuations but the predictions may be biased if natural fluctuations are not taking into account. In the hypothesis of fluctuations linked to changes in migration pattern, VPA is not able to reconstruct the population dynamics. In a precautionary approach, quotas which follow may be unsuitable in the best case, at worst dangerous if they are defined in comparison with a reference point. The concept of cible reference points, fixe and unique over time, appears not relevant for bluefin tuna; estimate trajectory reference pertinent may prove to be more pertinent. Décrire et comprendre les fluctuations spatio-temporelles des espèces animales constituent les enjeux majeurs de l'écologie. La question est également cruciale pour réussir la gestion durable des ressources exploitées, en particulier celle du thon rouge, grand pélagique migrateur à la dynamique complexe. L'objectif de ce travail est de collecter les captures historiques de thon rouge par les madragues méditerranéennes et proche atlantiques pour (i) caractériser les fluctuations à long terme de la population migrante en Méditerranée, (ii) étudier leur déterminisme et (iii) évaluer leurs implications en terme de gestion des pêcheries. Après avoir décrit les principales caractéristiques biologiques et écologiques du thon rouge, la première partie présente la pêcherie à la madrague, puis le processus de collecte et de validation des données historiques de captures. Ce dernier conduit à la mise en place d'une base de données de 54 séries de plus de 20 ans, dont les plus longues s'étendent sur près de 4 siècles. Les productions historiques sont estimées à environ 15 000 tonnes/an ([7 000;25 000]). Les séries historiques de captures sont analysées dans la seconde partie. Leur variabilité temporelle peut être décomposée en trois composantes : de larges cycles pseudo-séculaires, des variations périodiques d'une vingtaine d'années et des fluctuations inter-annuelles. Les fluctuations à moyen et long terme, expliquant plus de la moitié de la variance des séries, sont synchrones à l'échelle du bassin méditerranéen occidental et du proche Atlantique. La variabilité inter-annuelle, en revanche, n'est synchrone qu'à une échelle locale. On montre finalement que les fluctuations à long terme des captures peuvent être considérées comme de bons indices des tendances des abondances de la population de thons rouges migrants en Méditerranée. Une série synthétique est construite pour les décrire. Les processus biologiques et écologiques susceptibles d'être à l'origine de ces fluctuations sont discutés dans la troisième partie. L'hypothèse d'un forçage environnemental à grande échelle est testée en utilisant des indices à long terme de l'Oscillation Nord Atlantique (NAO), de la longueur du jour (LOD, un indicateur de l'indice de circulation atmosphérique ACI) et de la température. Les analyses spectrales sur les séries de captures, du LOD et des températures révèlent des spectres similaires, avec un pic sur les basses fréquences, alors que celles sur le NAO conduisent à une large bande spectrale. Les régressions et les tests de corrélations ne montrent aucune relation significative entre les captures par les madragues et le NAO et le LOD. En revanche, les fluctuations à long terme des captures apparaissent significativement et négativement corrélées avec les fluctuations à long terme des températures. Les processus sous-jacents susceptibles d'expliquer une telle relation, en particulier des changements migratoires, sont discutés. Finalement, les implications des fluctuations pour la gestion de la pêcherie sont discutées dans une quatrième partie. Un cadre de simulation, couplant un modèle de dynamique de population à une VPA, est élaboré pour tester la pertinence des diagnostics d'évaluation de stock selon différents scénarios d'origine des fluctuations et d'état de la population. Dans l'hypothèse de fluctuations liées à des variations du recrutement, la VPA apparaît capable de reconstruire les fluctuations mais les prédictions sont biaisées lorsqu'il n'est pas tenu compte des fluctuations naturelles du stock. Dans l'hypothèse de fluctuations liées à des changements migratoires, la VPA est alors incapable de reproduire la dynamique de la population. Dans une approche de précaution, les quotas qui en découlent peuvent se révéler au mieux inappropriés, au pire dangereux s'ils sont définis par rapport à un point de référence. Ce concept de point cible, fixe et unique dans le temps, apparaît inapproprié pour le thon rouge ; estimer des "trajectoires de référence" serait sans doute plus pertinent. Droits : info:eu-repo/semantics/openAccess http://archimer.ifremer.fr/doc/2003/these-65.pdf http://archimer.ifremer.fr/doc/00000/65/ | Partager |
Collapsing Serial Hierarchy Auteur(s) : Taylor, Laurie N. Éditeur(s) : George A. Smathers Libraries, University of Florida George A. Smathers Libraries, University of Florida ( Gainesville, FL ) Résumé : This is a draft document. This draft document, if/when approved, will complement the procedures for moving or removal-to-dark and updating metadata for moved items. This is a procedure for supporting an instance where an item that cannot be online is placed online and must be fully removed/deleted. Droits : [cc0] The author dedicated the work to the Commons by waiving all of his or her rights to the work worldwide under copyright law and all related or neighboring legal rights he or she had in the work, to the extent allowable by law. http://ufdc.ufl.edu/AA00017119/00040 | Partager |
Quality Control (QC) Online in SobekCM: Full User Guide Auteur(s) : Yellapantula, Suchitra Éditeur(s) : George A. Smathers Libraries, University of Florida George A. Smathers Libraries, University of Florida ( Gainesville, FL ) Résumé : Information on the quality control (QC) application within SobekCM for reviewing materials, assigning table of contents, pagination, divisions, and other enhanced metadata. Droits : [cc0] The author dedicated the work to the Commons by waiving all of his or her rights to the work worldwide under copyright law and all related or neighboring legal rights he or she had in the work, to the extent allowable by law. http://ufdc.ufl.edu/AA00017119/00028 | Partager |
Rights and Permissions Statements in SobekCM at UF Auteur(s) : Taylor, Laurie N. Yellapantula, Suchitra Dinsmore, Chelsea Éditeur(s) : George A. Smathers Libraries, University of Florida George A. Smathers Libraries, University of Florida ( Gainesville, FL ) Résumé : Information on the Rights and Permissions statements including the per item assignment of rights with the drop-downs for UF specific rights and Creative Commons in addition to options with the default metadata sets and user defined rights. Droits : [cc0] The author dedicated the work to the Commons by waiving all of his or her rights to the work worldwide under copyright law and all related or neighboring legal rights he or she had in the work, to the extent allowable by law. http://ufdc.ufl.edu/AA00017119/00030 | Partager |
SobekCM: Resources for Outreach, Promotion, and Assessment Auteur(s) : Taylor, Laurie N. Éditeur(s) : George A. Smathers Libraries, University of Florida Digital Library of the Caribbean ( dLOC ) George A. Smathers Libraries, University of Florida ( Gainesville, FL ) Digital Library of the Caribbean ( dLOC ) ( Miami, FL ) Droits : [cc0] The author dedicated the work to the Commons by waiving all of his or her rights to the work worldwide under copyright law and all related or neighboring legal rights he or she had in the work, to the extent allowable by law. http://ufdc.ufl.edu/AA00017119/00020 | Partager |
High Resolution Image / File Requests and Handling Auteur(s) : Taylor, Laurie N. Éditeur(s) : George A. Smathers Libraries, University of Florida George A. Smathers Libraries, University of Florida ( Gainesville, FL ) Résumé : Internal processing information including using the SMaRT Tool (SobekCM Management and Reporting Tool) for batch pulling high resolution JP2 (JPEG2000) images. Droits : [cc0] The author dedicated the work to the Commons by waiving all of his or her rights to the work worldwide under copyright law and all related or neighboring legal rights he or she had in the work, to the extent allowable by law. http://ufdc.ufl.edu/AA00017119/00024 | Partager |
Cross-shelf structure of coastal upwelling : a two - dimensional extension of Ekman's theory and a mechanism for inner shelf upwelling shut down Auteur(s) : Estrade, Philippe Marchesiello, P Colin De Verdiere, A Roy, C Éditeur(s) : Yale University Résumé : Sea-surface temperature images of the coastal upwelling regions off Northwest Africa show that the core of upwelling is sometimes located far from the coast. This has been documented in three regions that share a common feature, namely a wide and shallow continental shelf. This upwelling feature plays a key role in the ecology of the Canary Current System. It creates an innerfront which provides retention for biological material, e.g. fish eggs and larvae, in the highly productive nearshore environment. An analytical model has been developed based on a two dimensional extension of Ekman's solution. The linear and steady response of a homogeneous ocean forced by an upwelling-favorable wind provides a mechanism for the upwelling separation from the coast. The merging of the surface and bottom Ekman layers induces a very weak cross-shore circulation and a "kinematic barrier" for the Ekman transport divergence. In the case of an alongshore wind, the barrier is located near the isobath h ≈ 0.4D, where D is the thickness of Ekman layers. This yields an upwelling cell which is essentially concentrated in the region 0.5D < h < 1.25D, with upwelling occurring preferentially near the isobath h ≈ 0.6D. It turns out that the cross-shore width of upwelling scales with D/S, the ratio of Ekman depth to bottom topographic slope. The application of this solution to real bathymetric profiles rationalizes, not only the offshore upwelling observations in Northwest Africa, but also the influence of topography on the cross-shelf structure of a wind-driven coastal upwelling. The model also quantifies the effect of the cross-shore wind component showing how it drives the nearshore pressure gradient adjustment and how it affects the upwelling. A linear numerical experiment reproduces the theoretical steady solution, thereby allowing investigation of the transient regime. Relaxation of the hypothesis in the numerical model validates the linear assumption of the theory and then allows investigation of the sensitivity to friction parameterizations and the influence of stratification. The latter leads to an "oscillation" of the upwelling cell with seaward migration driven by outcropping and homogeneization of the water column, and, coastal incursion driven by a "boundary layers splitting" process caused by shoreward advection of the isopycnal dome and stratification of the inner shelf. Journal of Marine Research (Yale University), 2008-09 , Vol. 66 , N. 5 , P. 589-616 Droits : 2008 Yale University http://archimer.ifremer.fr/doc/2008/publication-6334.pdf DOI:10.1357/002224008787536790 http://archimer.ifremer.fr/doc/00000/6334/ | Partager |
Do FADs influence the geographical distribution of dolphinfish (Coryphaena hippurus)? Auteur(s) : Taquet, Marc Reynal, Lionel Laurans, Martial Éditeur(s) : Pêche thonière et dispositifs de concentration de poissons, Caribbean-Martinique, 15-19 Oct 1999 Résumé : For most fisheries, increasing the local production of pelagic fish is the main objective of Fish Aggregating Devices (fads). This does not rule out the existence of a larger-scale impact, especially on the migratory behaviour of fish. The analysis of data collected during 25 experimental fishing surveys around Martinique between 1995 and 1997 has led to the hypothesis that fads influence the migratory behaviour of young dolphinfish. Unlike recent studies of dolphinfish migration in the Caribbean, which tend to show an annual migration pattern with a seasonal passage through the French West Indies, the experimental fishing surveys done over more than a year on a monthly basis on a single cohort, show that the migratory pattern of part of the regional stock could be disrupted. This analysis has made it possible to estimate an average growth rate for this species during the first year of life. Droits : info:eu-repo/semantics/openAccess http://archimer.ifremer.fr/doc/00042/15321/12635.pdf http://archimer.ifremer.fr/doc/00042/15321/ | Partager |