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  • 1
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    Zygochlamys patagonica beds on the Argentinian shelf. Part II: Population dynamics of Z. patagonica (2001)
    In:  EPIC3Archive of fishery and marine research, 49, pp. 125-137
    Details
    Publication Date: 2019-07-16
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 2
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    Zygochlamys patagonica beds on the Argentinian shelf. Part I (2000)
    In:  EPIC3Archive of fishery and marine research, 48, pp. 295-303
    Details
    Publication Date: 2019-07-16
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 3
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    Areas ícticas costeras en la Zona Común de Pesca Argentino-Uruguaya (ZCPAU) y en el litoral de la Provincia de Buenos Aires, 1994. (2008)
    Mar del Plata: Instituto Nacional de Investigación y Desarrollo Pesquero
    Details
    Publication Date: 2021-05-19
    Description: Demersal fisheries evaluation data obtained during the cruise H-13/94, in the areas of El Rincón (Buenos Aires Prov., Argentina) and the Argentine-Uruguayan Common Fishing Zone, are analyzed. Species distribution areas are defined through cluster analysis among stations (Q mode), using Bray-Curtis index applied to species abundance data: number of individuals/mn2 and t/mn2. Regarding coastal resources are dynamic and opportunistic, information.
    Description: Lasta, C.A., ed. 1998. Resultados de una campaña de evaluación de recursos demersales costeros de la Provincia de Buenos Aires y del litoral Uruguayo. Noviembre, 1994.INIDEP Informe Técnico.21: 141 p.
    Description: Published
    Keywords: Demersal fisheries ; Coastal fisheries ; Demersal fisheries ; Coastal fisheries ; Marine fish ; Ecological distribution
    Repository Name: AquaDocs
    Type: Journal Contribution
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  • 4
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    Resultados del análisis de una campaña de investigación pesquera, sobre comunidades bentónicas asociadas a bancos de mejillón (Mytilus edulis platensis D'Orb.)en costas de Buenos Aires, Argentina. (2007)
    Mar del Plata: Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP)
    Details
    Publication Date: 2021-05-19
    Description: Macrobenthic sampling was carried out during the survey of mussel beds (Mytilus edulis platensis, D'Orb)at the continental shelf of Buenos Aires province (Argentina)(EH-06/93, INIDEP). 47 samples were obtained with a hard bottom dredge between 18 m and 64 m depth;sedimentological samples were also collected in every station. The following descriptors were used: Maxime Dominance, Relative Dominance, Relative Presence (Bouderesque, 1971), Specific Diversity(H')(Shannon Weaver, 1963)and Evenness (J')(Pielou, 1966)Faunistic associations and areas of distribution were defined usingcluster analysis (UPGMA, Q and R modes)(Legendre Legendre, 1979).The community structure of the benthic macrofauna associated to mussel beds was defined for a coastal area between 37°S and 39°.These areas are characterized by a high heterogeneity in granulometric composition and patchy distribution of faunistics associations.
    Description: Publisher permission
    Description: Published
    Description: zoobentos, relevamientos pesqueros, estructura de la comunidad, muestras de arrastre, macrobentos, fondos de mitílidos
    Keywords: Zoobenthos ; Zoobenthos ; Fishery surveys ; Dredged samples
    Repository Name: AquaDocs
    Type: Journal Contribution
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  • 5
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    Vieira patagonica (Zygochlamys patagonica King & Broderip, 1832): una nueva pesquería en la plataforma continental argentina. (2007)
    Mar del Plata: Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP)
    Details
    Publication Date: 2021-05-19
    Description: Patagonian scallop (Zygochlamys patagonica King Broderip, 1832): A new fishery in the Argentine continental shelf. We present preliminary information on a new fishery of patagonian scallop (Zygochlamys patagonica King Broderip, 1832) in the Argentine Continental Shelf. A research program was conducted jointly by INIDEP and a fishing company during 1995 with the F/V Erin Bruce. The vessel, fishing equipment and processing on board are described. A total of 7235 fishing tows were performed during 246 days at sea. Seven new beds were located between 38º 50' S and 42º 30' S, along the 100-m isobath. Beds are discrete. Differences in the size structure by bed suggest that recruitment consists of sporadic pulses. Proportion of scallops and invertebrate by-catch also varies among bed. According to average CPUE, which ranges from 291 to 4,927 kg of commercial size scallops per towing hour, beds present different commercial interest. Available information indicates that a commercial fishery of the patagonian scallop is viable. We emphasize the continuation of studies in order to manage and develop the patagonian scallop fishery in Argentina.
    Description: Publisher permission
    Description: Published
    Description: Anysomiaria, Pectinidae, Zygochlamys patagonica, vieira, pesquería de vieira, zonas de pesca, pesquería comercial, distribución por tamaño, captura/esfuerzo, recursos potenciales
    Keywords: Fishing grounds ; Scallop fisheries ; Commercial fishing ; Catch/effort ; Fishing grounds ; Size distribution ; Potential resources
    Repository Name: AquaDocs
    Type: Journal Contribution
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  • 6
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    Polychaete Assemblages in South Western Atlantic : Results of “ Shinkai Maru ” Iv , V , X and Xi ( 1978- 1979 ) Cruises in Patagonia and Buenos Aires . (2020)
    Details
    Publication Date: 2021-05-19
    Description: The aim of this paper is to study the polychaete composition from a wide area in the Argentinean shelf, between 36°S and 55°S, by means of samples collected from soft bottoms with Picard dredge, during the "Shinkai Maru" cruises developed in 1978-79. As the study area comprises both the Magellanic and Argentinean Biogeographic Provinces, we analyze if these results show differences in polychaete composition between both Provinces. A total of 816 individuals was studied; 29 families, represented by 70 taxa, were identified. The most frequent (36-57% sampling stations) and abundant families were Onuphidae, Nephtyidae and Ampharetidae, mainly represented by Kinbergonuphis dorsalis, Aglaopha-mus sp. and Ampharete kerguelensis, respectively. Cluster Analysis, SIMPER test and ANOSIM showed two different species assemblages in two well defined areas according to a nearly 60m depth boundary, in correspondence with the classical Magellanic and Argentinean Provinces.
    Description: Published
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.47-57
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  • 7
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    Species richness and distribution patterns of echinoderms in the southwestern Atlantic Ocean (34-56°S) (2020)
    Details
    Publication Date: 2021-05-19
    Description: El objetivo de este estudio es recopilar y analizar la información histórica disponible sobre equinodermos en el Atlántico Sudoccidental, a fin de elaborar una síntesis del estado de conocimiento actual, identificar patrones de distribución geográfica de las comunidades de equinodermos y poner a prueba la validez del esquema zoogeográfico tradicionalmente establecido para el área de estudio. Este estudio se llevó a cabo en la Plataforma Continental Argentina entre los 34 y 56°S. Se efectuó una intensiva búsqueda de datos geo-referenciados sobre las especies de equinodermos, a fin de crear una base de datos histórica. Se utilizaron análisis multivariados para analizar cambios en la composición específica a través de gradientes latitudinales y batimétricos, así como también para reconocer y diferenciar las asociaciones de equinodermos en el área de estudio. Los resultados confirmaron la existencia de dos asociaciones faunísticas que responden al esquema zoogeográfico tradicionalmente establecido para el área de estudio, distinguiendo dos Provincias Biogeográficas: Argentina y Magallánica. La Provincia Argentina presentó cuarenta y seis especies ampliamente distribuidas. Ochenta y seis especies fueron registra- das en la Provincia Magallánica, un alto porcentaje de las mismas también se encontraron en aguas de la Antártida (25%), lo que sugiere una fuerte conexión entre la fauna de equinodermos entre esta provincia y la Región Antártica. La riqueza de especies entre los 34 y 56°S en el Océano Atlántico mostró un aumento significativo en referencia a la latitud, los valores más altos se registraron entre los 46 y 56°S. En vista del alto porcentaje de especies compartidas con la Antártida, considerada una región con una diversidad muy alta de equinodermos, el patrón de distribución de la riqueza de especies observado en el área de estudio podría responder a una dispersión de especies antárticas hacia aguas subantárticas.
    Description: Published
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.269-280
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  • 8
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    Ecological boundaries in estuaries: macrobenthic ß-diversity in the Rio de la Plata system (34-36°S) (2007)
    Details
    Publication Date: 2021-05-19
    Description: In this study, we analyse spatial patterns of macrobenthic communities of the Río de la Plata system, and assess the species turnover or beta diversity and its relationship with environmental gradients. Macrobenthic samples and physico-chemical parameters were collected from 20 sampling sites along a transect of 560 km, including the freshwater (FW), estuarine (ES)and marine (MA)sectors. Three main assemblages corresponding to the above mentioned sectors were defined with multivariate analysis (cluster, MDS). In total 134 taxa were recorded, 81 in MA, 33 in FW and 38 in ES, represented mainly by polychaete, mollusc and crustacean species. Depth, salinity and clay showed the strongest correlation with the observed faunal patterns (pw=0.62; BIO-ENV analysis). Beta diversity varied between dominant taxonomic groups and was positively correlated with changes in salinity. The high variability in the composition of assemblages was reflected in beta diversity, reaching its highest values at the boundaries between the defined sectors. This study suggests that beta diversity represents a useful tool to define ecological boundaries for benthic communities in the Río de la Plata.
    Description: Published
    Description: macrobentos, estuarios, asociaciones, ambientes salobres
    Keywords: Estuaries ; Macrobenthos ; Brackishwater environment ; Macrobenthos ; Assemblages ; Brackishwater environment ; Estuaries
    Repository Name: AquaDocs
    Type: Journal Contribution
    Format: 315273 bytes
    Format: application/pdf
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  • 9
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    Caracoles marinos de interés pesquero. Moluscos gasterópodos volútidos. (2008)
    Mar del Plata: Instituto Nacional de Investigación y Desarrollo Pesquero
    Details
    Publication Date: 2021-05-19
    Description: The main morphologic characteristics, the ecology and fishing interest of the volutid gastropod species of the Argentine Sea are described. The species considered are Adelomelon brasiliana, Adelomelon ancilla, Adelomelon beckii, Odontocymbiola magellanica and Zidona dufresnei.
    Description: Publisher permission
    Description: Published
    Description: Gastropoda, Volutidae, moluscos marinos, morfología de organismos, distribución geográfica, pesquería de gasterópodos, estadísticas de desembarque
    Keywords: Geographical distribution ; Marine molluscs ; Organism morphology ; Geographical distribution ; Gastropod fisheries ; Landing statistics
    Repository Name: AquaDocs
    Type: Journal Contribution
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  • 10
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    Análisis de la flota dedicada a la pesca de corvina rubia y distribución de tallas del desembarque. Período 1992-1995 (2008)
    Mar del Plata: Instituto Nacional de Investigacion y Desarrollo Pesquero
    Details
    Publication Date: 2021-05-19
    Description: This work deals with the structure and efficiency of the fleet fishing white croaker in Argentina. Results show that there exist two strata delimited by 17.25 m length and 345 HP vessels. The most efficient is constituted by those of smaller dimensions. During 1992-1995 landings were sampled and subsequently analyzed. A decrease in mean length landed and an increase of juveniles presence were detected. The situation coincided with an increment of catches, landings, fishing effort, exports and the fleet activities in "El Salado" area (35° 57' - 36° 57' LS).
    Description: Publisher permission
    Description: Published
    Description: Sciaenidae, Micropogonias furnieri, corvina rubia, buques pesqueros, captura, estadísticas de captura
    Keywords: Fishing vessels ; Fishing vessels ; Catch/effort ; Catch statistics
    Repository Name: AquaDocs
    Type: Journal Contribution
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