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Registros recuperados: 145
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Bionomie benthique de l'estuaire de la Loire. I. Observations sur l'estran maritime de la mer a Cordemais. ArchiMer
Marchand, Jocelyne.
This study was the first to be undertaken since 1901, since when natural and industrial changes had occurred to affect the habitat. Observations are reported here for the banks of the north and south shores, using certain points as reference. Features of the 2 shores are described, and an inventory given of the fauna of the banks. Hydrozoan Cnidaria, Bryozoans, Annelids, Molluscs, Crustacea and fish are listed with notes, and particular attention is given to the crabs found (Rhithropanopeus harrisii tridentatus). The monthly distribution of crab sizes and sexes is given, and the species of animals found in association with crabs is shown to vary according to the site studied. The percentage of female crabs found to be fertile each month was investigated,...
Tipo: Text Palavras-chave: Crustacea and fish; Molluscs; Fauna; Habitat; Observation; Loire; Benthic bionomy.
Ano: 1972 URL: http://archimer.ifremer.fr/doc/1972/publication-2069.pdf
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Contribución al conocimiento del género Voluta Linné, 1758 (Prosobranchia) en la costa del Caribe de Colombia OceanDocs
Cosel, R..
Se describe la distribución y la ecología de las 2 especies del gen. Voluta Linné, 1758, V. Virescens y V. Musica, V. Virescens se encuentra entre Wounta Haulover, Nicaragua, y Taganga, es habitante de fondo suave y vive en fango, arena fina y arena con cal coralina, desde agua seca hasta más o menos 90 Mts. de profundidad. V. Musica se halla en la parte este y sur del mar caribe, y en Colombia va hacia el oeste hasta la ensenada de Chengue. Vive en arena coralina y calcárea y parece que evita arena mineral y fango. Su distribución vertical es desde agua seca hasta 30-40 mts. de profundidad. Ambas especies viven completamente enterradas y se alimentan de gasterópodos y otros invertebrados, además de carroña. Se describe y figura la radula de V. virescens....
Tipo: Journal Contribution Palavras-chave: Marine molluscs; Marine organisms; Habitat.
Ano: 1976 URL: http://hdl.handle.net/1834/3287
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Ants as prey of the yezo brown bear ursus arctos yesoensis,with considerations on its feeding habit OAK
Onoyama, Keiichi; 小野山, 敬一.
Palavras-chave: Bear; Ant; Food preference; Habitat; Nest.
Ano: 1988 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/1543
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Reef associated molluscan fauna of the Santa Marta Area, Caribbean Coast of Colombia OceanDocs
Díaz, J.M.; Escobar, L.A.; Velásquez, L.E..
Se registra un total de 263 especies de moluscos (201 encontradas vivas) colectadas entre 1982 y 1989 en siete localidades arrecifales de la región de Santa-Marta, Colombia. Los moluscos fueron ordenados de acuerdo a las zonas de arrecife en que fueron encontradas, a sus hábitos alimentarios y a su modo de vida. El dendrograma resultante del análisis de similaridad faunística entre las zonas muestra que existen tres tipos básicos de comunidades en el arrecife (asentadas respectivamente en zonas someras, zona de declive arrecifal y zona con coral muerto y arena), más una comunidad pobre en especies y restringida a la zona dominada por el coral Agaricia tenuifo/ia. Existen algunas diferencias entre las zonas arrecifales en cuanto a la distribución porcentual...
Tipo: Journal Contribution Palavras-chave: Malacology; Habitat; Geographical distribution; Interspecific relationships; Feeding behaviour; Population structure; Abundance; Malacology; Geographical distribution; Feeding behaviour; Population structure; Http://aims.fao.org/aos/agrovoc/c_4528; Http://aims.fao.org/aos/agrovoc/c_5083; Http://aims.fao.org/aos/agrovoc/c_10778; Http://aims.fao.org/aos/agrovoc/c_6115.
Ano: 1990 URL: http://hdl.handle.net/1834/3890
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Estudio biométrico, estructura poblacional y habitat del camarón Penaeus vannamei, Boone en criaderos OceanDocs
Reinoso, B..
The present work is about biometry study, population structure and habitat Penaeus vannamei, Boone shrimp cultivated in ponds 939 shrimps were analised from March-July 1991 at a shrimp farm located in Hebano-Manabí port. The analysis demostrated that a strong difference exists between the male and female shrimp product of morphological diformis in this species. Also, the calculated correlation coeficient values were always near the unit indicated for us that the relations between the different averages were very narrow. The proportion of the sexes showed a clear predominance of the females over the males. The proportions being 60%/40% respectively. Aside from this, this population distribution remained steady during the period of the investigation. The...
Tipo: Journal Contribution Palavras-chave: Biometrics; Habitat; Population characteristics; Breeding; Crustacean culture; Length-weight relationships; Breeding; Crustacean culture; Http://aims.fao.org/aos/agrovoc/c_49902; Http://aims.fao.org/aos/agrovoc/c_1985.
Ano: 1993 URL: http://hdl.handle.net/1834/3048
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La malacofauna de la zona costera de Santa Marta y Parque Nacional Natural Tayrona, Caribe colombiano OceanDocs
Díaz, Juan M..
Con base en colectas intensivas y en la bibliografía existente se hizo un listado de las especies de moluscos conocidas de la región de Santa Marta y Parque Nacional Natural Tayrona con anotaciones sobre sus preferencias de sustrato y rango de profundidad. De un total de 727 especies, 485 son gastrópodos, 214 bivalvos, 13 poliplacóforos, 10 escafópodos y 5 cefalópodos. La mayor cantidad de especies se encuentra en fondos de arena con fanerógamas marinas y de rocas sueltas (cantos, bloques) en aguas someras. La gran cantidad de especies en esta región se explica por la concentración de variados biotopos y rangos de profundidad en áreas reducidas y por factores histórico-biogeográficos particulares de esta región.
Tipo: Journal Contribution Palavras-chave: Depth; Malacology; Ecology; Habitat; Condition factor; Substrate preferences; Malacology; Ecology; Http://aims.fao.org/aos/agrovoc/c_4528; Http://aims.fao.org/aos/agrovoc/c_2467.
Ano: 1994 URL: http://hdl.handle.net/1834/3759
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Corales, formaciones arrecifales y blanqueamiento de 1987 en Bahía Portete (Guajira, Colombia) OceanDocs
Solano-P., Oscar D..
Para el reconocimiento y caracterización de las formaciones arrecifales de Bahía Pórtete se visitaron un total de 22 estaciones entre junio de 1987 y enero de I988. Se registraron por primera vez Acropora cervicomis, Agaricia agaricites, Montastrea cavernosa, Diploría clivosa e Isophyllia sinuosa, elevando a 18 el número de especies de escleractinios de la bahía. El componente principal por su abundancia y diversidad de formas fue el hidrocoral Millepora alcicomis. Las formaciones arrecifales del área se concentran sobre los costados oeste y suroeste, sin llegar a constituirse en verdaderos arrecifes. Estructuralmente se discriminan dos tipos de formaciones: tipo 1 parches arrecifales y tipo 2 praderas de fanerógamas con colonias dispersas de M. alcicomis....
Tipo: Journal Contribution Palavras-chave: Bleaching; Ecology; Geographical distribution; Habitat; Population structure; Population dynamics; Turbidity; Density; Species diversity; Ecology; Geographical distribution; Population structure; Turbidity; Bleaching; Population dynamics; Density; Species diversity; Http://aims.fao.org/aos/agrovoc/c_2467; Http://aims.fao.org/aos/agrovoc/c_5083; Http://aims.fao.org/aos/agrovoc/c_6115; Http://aims.fao.org/aos/agrovoc/c_15043; Http://aims.fao.org/aos/agrovoc/c_953; Http://aims.fao.org/aos/agrovoc/c_6111; Http://aims.fao.org/aos/agrovoc/c_2186; Http://aims.fao.org/aos/agrovoc/c_33954.
Ano: 1994 URL: http://hdl.handle.net/1834/3782
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Presencia de los octocorales Styla tula Diadema Bayer (Pennatulacea) y Carijoa riisei (Duchassaevg y Michelotti) (Telestacea) en la Costa Caribe colombiana OceanDocs
Sanchéz-M., Juan M..
Con el fin de colectar octocorales telestáceos y penatuláceos se revisaron diferentes ecosistemas entre O y 30 m de profundidad, mediante buceo SCUBA y simple a pulmón que comprendían litorales rocosos, fondos arenosos y arrecifes coralinos, en un área que incluye a Cartagena, las Islas del Rosario, Tierra Bomba, Barú y San Bernardo, los bancos de Salmedina y Bushnell, las ensenadas de Zapzurro y Capurganá (8°20'-10°45' N; 75°50'-77025' W), en la región de Santa Marta (11°14'50" N; 74°15' W) y la Guajira (11°56'58" N; 72°16'18" W), en el Caribe colombiano. Se encontró por primera vez en el mar Caribe y la costa colombiana a Sfy/afu/a diadema Bayer (Virgulariidae: Pennatulacea) que se halló solamente en fondos arenosos blandos entre 25 y 30 m a la salida de...
Tipo: Journal Contribution Palavras-chave: Rocky shores; Coral reefs; Habitat; Geographical distribution; Condition factor; Coral reefs; Geographical distribution; Http://aims.fao.org/aos/agrovoc/c_1880; Http://aims.fao.org/aos/agrovoc/c_5083.
Ano: 1994 URL: http://hdl.handle.net/1834/3792
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Estructura del manglar en el Delta exterior del Río Magdalena-Ciénaga Grande de Santa Marta, una zona tensionada por alteraciones del equilibrio hídrico OceanDocs
Serrano-Díaz, L.A.; Botero, L.; Cardona, P.; Mancera-Pineda, J.E..
La estructura de los bosques de manglar del Delta Exterior del Río Magdalena-Ciénaga Grande de Santa Marta (DERM-CGSM) y algunas variables abióticas de sus suelos fueron cuantificadas con el objeto principal de proveer una línea de base para evaluaciones futuras de cambios en el ecosistema, como consecuencia de la reapertura de caños de agua dulce provenientes del Río Magdalena. Se encontró que los bosques que rodean el complejo lagunar exhiben diferentes grados de desarrollo estructural, desde casi ningún desarrollo (completamente muertos) hasta bosques complejos. El mejor desarrollo estructural se encontró en las estaciones localizadas sobre el Caño El Jobo (JOB) y sobre la Ciénaga de la Aguja (AGU) en la zona suroccidental del área de estudio. La...
Tipo: Journal Contribution Palavras-chave: Coastal lagoons; Estuaries; Mangroves; Ecology; Population structure; Salinity effects; Lethal limits; Habitat; Redox potential; Condition factor; Redox potential; Estuaries; Ecology; Population structure; Coastal lagoons; Mangroves; Http://aims.fao.org/aos/agrovoc/c_6482; Http://aims.fao.org/aos/agrovoc/c_2673; Http://aims.fao.org/aos/agrovoc/c_2467; Http://aims.fao.org/aos/agrovoc/c_6115; Http://aims.fao.org/aos/agrovoc/c_1697; Http://aims.fao.org/aos/agrovoc/c_16190.
Ano: 1995 URL: http://hdl.handle.net/1834/3814
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Planktonic and non-planktonic rotifers in two environments of the Upper Paraná River floodplain, state of Mato Grosso do Sul, Brazil BABT
Bonecker,Cláudia C.; Lansac-Tôha,Fábio A.; Rossa,Dayane C..
Investigations were carried out for the composition and occurrence of rotifer taxa of different forms and sizes during two distinct hydrological periods, in two environments (river and lake). Two sampling stations were established in open water of each environments. Surface samples were taken daily for 14 days. The faunistic similarity between the environments was established using Jaccard's index. One hundred and fourty three taxa were identified. The largest number of taxa was recorded in the river. Faunistic similarity between these environments was greater during high water. The planktonic taxa predominated and the difference for the non-planktonic ones was not marked. Non-planktonic taxa predominated in the river, while both types were numerous in the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Rotifers; Size classes; Habitat; Floodplain; Brazil.
Ano: 1998 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89131998000400009
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Biologia de Ochlerus sp. (Heteroptera: Pentatomidae), possível vetor da doença "hartrot" em coqueiro. Infoteca-e
SOUZA, L. A. de; SILVA, A. de B.; LINS, P. M. P.; MULLER, A. A..
bitstream/item/34336/1/ORIENTAL-BP24.pdf
Tipo: Séries anteriores (INFOTECA-E) Palavras-chave: Pará; Brasil; Plant diseases; Insecto.; Biologia Animal; Coco; Doença de Planta; Inseto.; Habitat; Heteroptera; Amazonia; Coconuts; Zoology..
Ano: 1999 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/377396
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The importance of habitat features in low-relief continental shelf environments ArchiMer
Malatesta, Rj; Auster, Pj.
Benthic habitats can be loosely divided into low and high relief based upon gross bottom topography. While fish community studies in high relief environments such as coral reefs have been extensively studied using in situ visual analysis, most studies of low relief environments have utilized trawl-based methodologies. Such studies while valuable, are unable to detect small-scale variations in habitat availability and faunal responses to that variation. This paper presents the availability of other techniques, ranging from visual surveys to sonar and bathymetric analysis, which allow research era to address questions of habitat utilization in low relief environments.
Tipo: Text Palavras-chave: Habitat; Communauté de poissons; Topographie; Habitat; Fish community; Topography.
Ano: 1999 URL: http://archimer.ifremer.fr/doc/00325/43587/44027.pdf
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Datalogging instrument arrays: powerful yet inexpensive tools for recording the heterogeneous physical environment of coral reefs ArchiMer
Moore, Sw.
The physical structure of coral reefs, like that of rainforests and other spatially-complex ecosystems, modulates light, fluid flow, and other physical variables to create a spatially and temporally complex mosaic of microhabitats. Accurate and affordable methods for quantifying this spatio-temporal variation are required to address many basic and applied research questions related to the ecology and management of reefs. Recent advances in semiconductor electronics technology have made it easier and much less expensive to build small and reliable datalogging instruments, which can be deployed in arrays to record spatio-temporal patterns of ecologically-important variables. Suitable instruments are already commercially available for $100 (US) or less per...
Tipo: Text Palavras-chave: Instrumentation; Habitat; Écologie physique; Électronique; Instrumentation; Habitat characterization; Physical ecology; Electronics.
Ano: 1999 URL: http://archimer.ifremer.fr/doc/00325/43592/44033.pdf
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Fish faunal and habitat analyses using trawls, camera sleds and submersibles in benthic deep-sea habitats off central California ArchiMer
Cailliet, Gm; Andrews, Ah; Wakefield, Ww; Moreno, G; Rhodes, Kl.
Beam trawl, camera sled and submersible data from 2 000-3 300 m off central California produced similar fish faunal composition, but different density estimates. All species caught in trawls were observed in camera-sled and submersible observations. However, some rare species that were observed were not caught in trawls. The fish fauna was dominated by the families Macrouridae, Zoarcidae, Moridae, and Rajidae. Fishes both trawled and observed were the macrourids Coryphaenoides armatus, C. filifer and C. leptolepis; the zoarcids Bothrocara spp., Pachycara lepinium and Lycenchelys spp.; the morid Antimora microlepis; the rajid Bathyraja trachura, the ophidiid Spectrunculus grandis, and the liparidid Careproctus ovigerum. One unidentified liparidid...
Tipo: Text Palavras-chave: Benthos; Poisson; Habitat; Chalutage; Submersible; Deep-sea; Fishes; Habitat; Sampling; Submersibles.
Ano: 1999 URL: http://archimer.ifremer.fr/doc/00325/43583/44022.pdf
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A classification scheme for deep seafloor habitats ArchiMer
Greene, Hg; Yoklavich, Mm; Starr, Rm; O'Connell, Vm; Wakefield, Ww; Sullivan, De; Mcrea, Je; Cailliet, Gm.
A standard, universally useful classification scheme for deepwater habitats needs to be established so that descriptions of these habitats can be accurately and efficiently applied among scientific disciplines. In recent years many marine benthic habitats in deep water have been described using geophysical and biological data. These descriptions can vary from one investigator to another, which makes it difficult to compare habitats and associated biological assemblages among geographic regions. Using geophysical data collected with a variety of remote sensor systems and in situ biological and geologic observations, we have constructed a classification scheme that can be used in describing marine benthic habitats in deep water.
Tipo: Text Palavras-chave: Habitat; Classification universelle; Benthique; Gestion des pêcheries; Habitat; Universal classification; Benthic; Fisheries management.
Ano: 1999 URL: http://archimer.ifremer.fr/doc/00325/43590/44030.pdf
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Marine resources of the economic zone of New Caledonia ArchiMer
Auzende, Jean-marie; Grandperrin, René; Bouniot, Emmanuel; Henin, Christian; Lafoy, Yves; De Forges, Bertrand; Van De Beuque, Sabrina; Virly, Sabrina.
The ZoNeCo programme, devoted to the evaluation of living and non-living marine resources within the Economic Zone of New Caledonia, illustrates clearly the Marine Benthic Habitats concept. It exhibits the study of the physical environment and disciplines such as geology and physical oceanography. The results acquired in these fields are used as bases to study the presence and the distribution of living species within a given habitat. The knowledge of all the parameters relative to each discipline is a useful guide for the evaluation and the sustainable management of living and nonliving resources.
Tipo: Text Palavras-chave: Ressources marines; Habitat; Nouvelle Calédonie; Ressources Sud Ouest Pacifique; Marine resources; Habitat; New Caledonia; Southwest Pacific.
Ano: 1999 URL: http://archimer.ifremer.fr/doc/1999/publication-832.pdf
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Mapping marine habitats with high resolution sidescan sonar ArchiMer
Mcrea, Je; Greene, Hg; O'Connell, Vm; Wakefield, Ww.
The application of marine geophysics and GIS techniques to the characterization of benthic habitats has increased the ability of fisheries managers to assess distribution and habitat types beyond common practices. We report upon a 150 kHz sidescan sonar survey offshore of Kruzof Island, Alaska undertaken to characterize rockfish (Sebastes) habitat. Using GIS, MapGrafix and Map*Factory we determined the percentage of seafloor cover that exists in our survey area. Bathymetry in the study area was determined with sidescan interferometry. All XYZ data were gridded using Surfer and plotted in shaded relief, bathymetric contour, and 3-dimensional formats. Contoured bathymetry was used as an overlay in MapGrafix. Small sub-areas were extracted from the...
Tipo: Text Palavras-chave: Habitat; Mégahabitat; Mésohabitat; Balayage; Cartographie; Habitat; Megahabitat; Mesohabitat; Sidescan; Mapping.
Ano: 1999 URL: http://archimer.ifremer.fr/doc/00325/43591/44031.pdf
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Distribuição geográfica, ambiente preferencial e centros de diversidade dos membros da tribo Swartzieae na região sudeste do Brasil Rev. Bras. Bot.
MANSANO,VIDAL DE FREITAS; TOZZI,ANA MARIA GOULART DE AZEVEDO.
A tribo Swartzieae pertence à subfamília Papilionoideae de Leguminosae e consiste do gênero tipo (com 143 espécies) e de outros 11 gêneros (com um total de cerca de 50 espécies), todos de regiões paleo ou neotropicais. O sudeste do Brasil possui uma considerável representatividade de espécies desta tribo, principalmente do gênero Zollernia, que compreende 70% do total de suas espécies ocorrentes nesta área. Os objetivos do presente trabalho são estudar a distribuição geográfica, o ambiente preferencial e localizar os centros de diversidade dos componentes de Swartzieae na região sudeste do Brasil. Para tanto foram obtidos dados de coletas próprias e os contidos nas etiquetas de material herborizado. Foi verificada a ocorrência de quatro gêneros, Bocoa na...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Geographical distribution; Habitat; Centers of diversity; Swartzieae; Leguminosae Papilionoideae.
Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84041999000500005
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Análise preliminar das manifestações sonoras e do habitat de Picumnus nebulosus Sundevall (Aves, Picidae) Zoologia
Anjos,Luiz dos.
Observations and recordings of Picumnus nebulosus Sundevall, 1866 were carried out at Santa Rita farm (21º15'S, 50º00'), municipality of Palmeira, state of Paraná, southern Brazil, from 1984 to 1991. The song of this species (0.25 s to 0.64 s total time) is composed by a series of four to six high pitched (6.3 to 7.8 kHz) and short (0.03 to 0.05 s) notes (n=23). The fight call is a series of very short notes emitted between 2 to 8 kHz during 0.23 s to 0.32 s (n=34). The drum, a sequence of pulses, is emitted during 3.5 to 7.2 s (n=42); the four sequences in the begining are composed by four pulses and the rest by three pulses. P. nebulosus was more abundant in forest patches than in continuous forest. It was usually watched foraging in branches 1 to 4 mm...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Picumnus nebulosus; Sounds; Habitat; Abundance; Araucaria forest.
Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751999000200009
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Mapeamento e caracterização de habitats naturais de pimenta longa (Piper hispidinervum) no município de Brasiléia. Infoteca-e
PIMENTEL, F. A.; PINHEIRO, P. S. N..
A proibição por parte do governo brasileiro da exploração do sassafrás (Ocotea pretiosa Mezz), utilizado como principal fonte de safrol natural, em matas primárias da floresta atlântica, na década de 90, levou grandes indústrias químicas processadoras de fragrâncias e inseticidas a buscar novas fontes alternativas deste fenil-éter. A descoberta do safrol na espécie Piper hispidinervum, vulgarmente conhecida como pimenta longa, no Estado do Acre, feita por um grupo de pesquisadores do Inpa na década de 70, despertou, nos últimos anos, grande interesse de indústrias nacionais e estrangeiras em relação a esta fonte alternativa. Posteriormente, na década de 90, pesquisadores da Embrapa Acre descobriram que os habitats naturais da espécie estavam somente...
Tipo: Séries anteriores (INFOTECA-E) Palavras-chave: Brasiléia (AC); Acre; Amazônia Ocidental; Western Amazon; Amazonia Occidental; Safrol.; Distribución de la poblacion; Aceites essenciales; Pimenta longa; Piper hispidinervum; Óleo essencial; Habitat; Levantamento populacional; Características Agronômicas.; Piper longum; Essential oils; Safrole; Agronomic traits; Population distribution; Hábitats..
Ano: 2000 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/495190
Registros recuperados: 145
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