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Registros recuperados: 102
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An overview of preharvest factors influencing mango fruit growth, quality and postharvest behaviour Braz. J. Plant Physiol.
Léchaudel,Mathieu; Joas,Jacques.
Mango, a tropical fruit of great economic importance, is generally harvested green and then commercialised after a period of storage. Unfortunately, the final quality of mango batches is highly heterogeneous, in fruit size as well as in gustatory quality and postharvest behaviour. A large amount of knowledge has been gathered on the effects of the maturity stage at harvest and postharvest conditions on the final quality of mango. Considerably less attention has been paid to the influence of environmental factors on mango growth, quality traits, and postharvest behaviour. In this paper, we provide a review of studies on mango showing how environmental factors influence the accumulation of water, structural and non-structural dry matter in the fruit during...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Environmental conditions; Fruit load; Irrigation; Shelf life; Size; Taste.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1677-04202007000400004
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Análisis de la distribución y abundancia del ictioplancton y zooplancton acompañante en el Golfo San Matías en noviembre de 1992 OceanDocs
Mercado, L.; Pose, M.; Tesolin, G.; Villar, C..
Realizado en el INIDEP (Instituto Nacional de Investigación y Desarrrollo Pesquero- Mar del Plata, Argentina)
Tipo: Theses and Dissertations Palavras-chave: Ichthyoplankton; Zooplankton; Fish larvae; Abundance; Environmental conditions; Zooplankton; Fish larvae; Environmental conditions; Http://aims.fao.org/aos/agrovoc/c_15490; Http://aims.fao.org/aos/agrovoc/c_2924; Http://aims.fao.org/aos/agrovoc/c_32980.
Ano: 1993 URL: http://hdl.handle.net/1834/3550
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Análisis exploratorio de las preferencias ambientales por rangos de talla de las hembras maduras e impregnadas de langostino Pleoticus muelleri (Bate, 1888) del Golfo San Jorge. Períodos analizados: noviembre - diciembre de 2008 y enero - febrero de 2009 OceanDocs
Fernández, M..
En este estudio se presenta el análisis de la relación entre los valores de densidad de hembras maduras y de hembras impregnadas de langostino Pleoticus muelleri (Bate, 1888) del Golfo San Jorge y las variables ambientales. Los datos analizados provienen de las campañas de investigación del INIDEP OB-03/08 y OB-01/09 realizadas en noviembre-diciembre de 2008 y en enero-febrero de 2009, respectivamente; en el área comprendida entre las latitudes 43º 20´ S y 47º 00´ S y el meridiano 64º 00´ W y la costa. Se consideraron las variables biológicas: densidad de hembras maduras y de hembras impregnadas de langostino, por rango de tallas y las variables ambientales: profundidad, temperatura y salinidad de agua de fondo así como, la diferencia de temperatura y de...
Tipo: Theses and Dissertations Palavras-chave: Females; Sexual maturity; Spawning grounds; Environmental conditions; Spatial analysis; Statistical models; Shrimp fisheries.
Ano: 2009 URL: http://hdl.handle.net/1834/5159
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Analyse des ressources et des caractéristiques individuelles du stock d'oursin Paracentrotus lividus (Lamarck, 1816) du territoire 64 ArchiMer
De Casamajor, Marie-noelle; Mahias, Jeremy; Bru, Noelle; Caill-milly, Nathalie.
A spatial sampling was carried out for stock assessment of sea urchin P. lividus throughout the Basque coast. A sampling, over the year, was conducted to study the reproductive cycle. This work took place over 2013 and 2014. Reproduction occurs once in spring, between May and August 2014. Among factors affecting the release of eggs, salinity, temperature and hydrodynamics show a significant inter-annual variability in the Basque coast. Thus, the period set in 2014, may fluctuate between years. For the stock, the results showed that 11.85 (+/-0.32) million individuals of harvestable biomass for 724 tones (+/- 137). Stock is spread over the entire surveyed area density and biomass decrease rapidly with depth, individuals are mainly located between 0 and 5 m....
Tipo: Text Palavras-chave: Oursin commun; Stock; Biomasse; Reproduction; Côte basque; Conditions environnementales; Sea urchin; Stock; Biomass; Reproduction; Basque coast; Environmental conditions.
Ano: 2014 URL: http://archimer.ifremer.fr/doc/00218/32889/31373.pdf
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Annual dynamics of abundance, biomass and survival of meroplankton in Sevastopol Bay, Black Sea IBSS Repository
Pavlova, E. V.; Murina, V. V.; Kemp, R. B.; Wilson, J. G.; Parchevsky, V. P..
The first comprehensive data on species composition, abundance, biomass and survival (living/dead ratio) of meroplankton in Sevastopol Bay (Black Sea) are presented. Marked differences were observed between the years 1998 and 1999, and these could be attributed to the hydrology and the eutrophication status of the different parts of the Bay. Shannon index and selected community parameters (number of species, biomass, numbers of individuals) indicated that South Bay was the worst affected part of the Bay with the greatest eutrophication impact on the meroplankton. The early larval stages of the barnacle Balanus improvisus and of the polychaete Polydora sp. were the most sensitive to presumed environmental stresses. It is suggested that the mortality of...
Tipo: Journal Contribution Palavras-chave: Abundance; Biomass; Survival; Meroplankton; Environmental conditions; Sevastopol Bay; Black Sea; Численность; Биомасса; Выживаемость; Меропланктон; Среда; Севастопольская бухта; Черное море Abundance Biomass Survival Meroplankton Environmental conditions Biomass Survival Environmental conditions http://aims.fao.org/aos/agrovoc/c_926 http://aims.fao.org/aos/agrovoc/c_7538 http://aims.fao.org/aos/agrovoc/c_32980.
Ano: 2007 URL: http://repository.ibss.org.ua/dspace/handle/99011/301
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Are spatial variations in the diets of hydrothermal fauna linked to local environmental conditions? ArchiMer
De Busserolles, F.; Sarrazin, Jozee; Gauthier, Olivier; Gelinas, Y.; Fabri, Marie-claire; Sarradin, Pierre-marie; Desbruyeres, Daniel.
Trophic relationships in Bathymodiolus azoricus mussel bed communities on the Tour Eiffel hydrothermal edifice (Lucky Strike) were assessed using delta C-13 and delta N-15 signatures from 14 hydrothermal species. The nutritional basis of B. azoricus was also investigated with delta S-34. Faunal samples and environmental data (temperature, pH, total dissolved sulfide, iron and copper concentrations) were collected from 12 different locations on the edifice. Chemical conditions varied between microhabitats, and were all correlated to temperature. Carbon and nitrogen isotopic results revealed the presence of two, apparently independent, trophic groups. The first was composed of symbiont-bearing fauna (B. azoricus and their associated polychaetes...
Tipo: Text Palavras-chave: Lucky Strike (37 degrees 17.29 ' N 32 degrees 16.45 ' W); Mid Atlantic Ridge; Food webs; Hydrothermal springs; Environmental conditions; Stable isotopes.
Ano: 2009 URL: http://archimer.ifremer.fr/doc/2009/publication-7312.pdf
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Aspectos biológicos del calamar Illex argentinus OceanDocs
Leta, H.R..
La creciente importancia que los recursos de calamar han adquirido en 105 últimos 30 años, los sitúa actualmente entre los más importantes recursos pesqueros del mundo. En consecuencia, paises tradicionalmente no explotadores o consumidores de productos de calamar, han orientado sus esfuerzos hacia el logro de un mejor conocimiento de las especies de cefalópodos que habitan su ambiente marino. En este sentido el aporte de disciplinas tales como la biología ha sido decisivo para desarrollar en forma exitosa pesquerías de calamar, entre otras.El programa de investigaciones del Instituto Nacional de Pesca para 1980 incluyó el estudio integral de la explotación de los calamares como un primer paso hacia el desarrollo de una pesquería del recurso. Este trabajo...
Tipo: Report Palavras-chave: Biology; Environmental conditions; Population structure; Spawning; Spawning grounds; Sex ratio; Sexual maturity; Reproduction; Length; Behaviour; Migrations; Growth; Population structure; Spawning; Length; Growth; Biology; Environmental conditions; Spawning grounds; Sex ratio; Sexual maturity; Reproduction; Behaviour; Http://aims.fao.org/aos/agrovoc/c_6115; Http://aims.fao.org/aos/agrovoc/c_14490; Http://aims.fao.org/aos/agrovoc/c_4260; Http://aims.fao.org/aos/agrovoc/c_3394; Http://aims.fao.org/aos/agrovoc/c_925; Http://aims.fao.org/aos/agrovoc/c_32980; Http://aims.fao.org/aos/agrovoc/c_7277; Http://aims.fao.org/aos/agrovoc/c_7014; Http://aims.fao.org/aos/agrovoc/c_7016; Http://aims.fao.org/aos/agrovoc/c_6507; Http://aims.fao.org/aos/agrovoc/c_868.
Ano: 1981 URL: http://hdl.handle.net/1834/2563
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Aspectos de la biologia reproductiva de la castaneta (Cheilodactylus bergi) en la zona comun de pesca Argentino-Uruguaya OceanDocs
Wöhler, O.C..
Length and age at first maturity was estimated, and the distribution of the spawning stock of castaneta (Cheilodactylus bergi) was analyzed, with the aim of understanding the spawning activity and its relation with oceanographic parameters. Samples came from two research cruises carried out in the Argentine-Uruguayan Common Fishing Zone (CFZ) (SW Atlantic, between 34 degree and 39 degree 30'S), during the end of spawning period (May-June) of 1991 and 1993. Length at first maturity was estimated in 21.34 cm and 23.69 cm of total length, for males and females respectively. Age at first maturity estimated for sexes combinated corresponding to 2.60 years. A spawning area in the north (between 35 degree and 37 degree S) was determined, showing a high incidence...
Tipo: Journal Contribution Palavras-chave: Fishing grounds; Sexual maturity; Spawning seasons; Mortality; Environmental conditions.
Ano: 1997 URL: http://hdl.handle.net/1834/5795
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Aspectos de la biologia reproductiva de la castaneta (Cheilodactylus bergi) en la zona comun de pesca Argentino-Uruguaya OceanDocs
Wöhler, O.C..
Length and age at first maturity was estimated, and the distribution of the spawning stock of castaneta (Cheilodactylus bergi) was analyzed, with the aim of understanding the spawning activity and its relation with oceanographic parameters. Samples came from two research cruises carried out in the Argentine-Uruguayan Common Fishing Zone (CFZ) (SW Atlantic, between 34 degree and 39 degree 30'S), during the end of spawning period (May-June) of 1991 and 1993. Length at first maturity was estimated in 21.34 cm and 23.69 cm of total length, for males and females respectively. Age at first maturity estimated for sexes combinated corresponding to 2.60 years. A spawning area in the north (between 35 degree and 37 degree S) was determined, showing a high incidence...
Tipo: Journal Contribution Palavras-chave: Fishing grounds; Sexual maturity; Spawning seasons; Mortality; Environmental conditions.
Ano: 1997 URL: http://hdl.handle.net/1834/5793
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Aspectos reproductivos de las principales especies de peces en la Zona Comun de Pesca Argentino-Uruguaya y en El Rincón. Noviembre, 1994 OceanDocs
Macchi, G.J.; Acha, E.M..
The maturity stages of the main commercial coastal fishes caught during the cruise H-13/94 are macroscopically analyzed, focusing this study on the white croaker Micropogonias furnieri and the striped weakfish Cynoscion striatus. Samples were obtained in the Argentine-Uruguayan Common Fishing Zone (AUCFZ) and El Rincón (Buenos Aires Prov., Argentina) during November 1994.
Tipo: Journal Contribution Palavras-chave: Marine fish; Reproduction; Sexual maturity; Environmental conditions; Coastal waters; Reproduction; Sexual maturity; Environmental conditions; Coastal waters; Http://aims.fao.org/aos/agrovoc/c_6507; Http://aims.fao.org/aos/agrovoc/c_7016; Http://aims.fao.org/aos/agrovoc/c_32980; Http://aims.fao.org/aos/agrovoc/c_25205.
Ano: 1998 URL: http://hdl.handle.net/1834/2473
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Avaliação de cultivares de milho no município de Paragominas - Pará. Infoteca-e
SOUZA, F. R. S. de; GAMA, E. E. G. e; OLIVEIRA, M. R. C. de; CORREA, J. R. V.; EL-HUSNY, J. C..
1998
Tipo: Comunicado Técnico (INFOTECA-E) Palavras-chave: Milho; Cultivo; Produção; Produtividade; Condição ambiental; Paragominas; Pará; Amazônia; Maize; Cultivation; Production; Yield; Environmental conditions.
Ano: 1998 URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/376249
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Avaliação do comportamento de híbridos comerciais de milho nas regiões nordeste e sudeste do Estado do Pará. Infoteca-e
SOUZA, F. R. S. de; CORREA, L. A.; GAMA, E. E. G. e; PEREIRA, C. A.; EL-HUSNY, J. C..
1999
Tipo: Séries anteriores (INFOTECA-E) Palavras-chave: Milho; Produção; Variedade; Produtividade; Condição ambiental; Paragominas; Pará; Brasil; Maize; Production; Variety; Yield; Environmental conditions.
Ano: 1999 URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/376243
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Biología reproductiva comparada de especies de la familia Sciaenidae en aguas del Río de la Plata y Costa Bonaerense OceanDocs
Militelli, M.I..
In the Argentine Sea (SW Atlantic), particularly in the Bonaerense Coastal Zone there are two frontal zones, the waterfront area of the Rio de la Plata and the southern area of the province called El Rincón. The fauna of the Bonaerense Coastal Area has its own characteristics and in the case of fish is defined by dominant species, as is the whole of Sciaenidae family composed of seven species: white mouth croaker (Micropogonias furnieri), striped weakfish (Cynoscion guatucupa), king weakfish (Macrodon ancylodon), black drum (Pogonias cromis), Argentine croaker (Umbrina canosai), drum (Paralonchurus brasiliensis) and southern kingfish (Menticirrhus americanus). In the present work is discussed in a comparative way various aspects of the reproductive cycle...
Tipo: Theses and Dissertations Palavras-chave: Brackishwater fish; Reproduction; Spawning grounds; Coastal waters; Fronts; Environmental conditions; Histology; Reproduction; Spawning grounds; Coastal waters; Environmental conditions; Http://aims.fao.org/aos/agrovoc/c_6507; Http://aims.fao.org/aos/agrovoc/c_7277; Http://aims.fao.org/aos/agrovoc/c_25205; Http://aims.fao.org/aos/agrovoc/c_32980.
Ano: 2007 URL: http://hdl.handle.net/1834/3549
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Biologia reproductiva de la saraquita Ramnogaster arcuata (Jenyns, 1842) del estuario del Rio de la Plata. OceanDocs
Rodrigues, K.A..
The reproductive biology of Ramnogaster arcuata inhabiting waters of the Rio de la Plata estuary (Argentina - Uruguay) was studied by using macroscopic and histological analysis of ovaries. R. Arcuata specimens were collected from two research cruises of the National Institute of Fisheries Research and Development (INIDEP) carried out in June 1998 and June 1999. During these surveys, bottom salinity and temperature data were also registered. In addition, information about annual catches of this species in the Rio de la Plata, obtained from different INIDEP cruises performed during the last ten years, was analyzed. During winter, a prevalence of R. arcuata individuals was observed in the Rio de la Plata estuary. In summer, this species apparently moves...
Tipo: Theses and Dissertations Palavras-chave: Sexual reproduction; Ovaries; Fecundity; Spawning seasons; Histology; Fish eggs; Oocytes; Environmental conditions; Ovaries; Sexual reproduction; Fecundity; Oocytes; Environmental conditions; Http://aims.fao.org/aos/agrovoc/c_5456; Http://aims.fao.org/aos/agrovoc/c_26876; Http://aims.fao.org/aos/agrovoc/c_15725; Http://aims.fao.org/aos/agrovoc/c_29343; Http://aims.fao.org/aos/agrovoc/c_32980.
Ano: 2005 URL: http://hdl.handle.net/1834/1485
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Biologia reprodutiva de Macrobrachium olfersii (Wiegman) (Crustacea, Decapoda, Palaemonidae) coletados na Ilha de Santa Catarina, Brasil Zoologia
Ammar,Dib; Müller,Yara Maria Rauh; Nazari,Evelise Maria.
The aim of this study is to characterize the reproductive features of Macrobrachium olfersii (Wiegman, 1836) from Santa Catarina's lsland. The animals were collected in freshwater streams of the Ratones Hidrografic Basin (site A1) and at the Peri's Pond (site A2). In the laboratory, the procedures of sexual differentiation were carried out to classify the individuais in males, females or ovigerous females, followed by the determination of total weight (g), quelipod relative weight (g) and total length (mm). The eggs were removed from the ovigerous females and counted. Sexual maturity and fecundity were analyzed based in the dimensions and number of eggs carried by ovigerous females. The water temperature on the capture sites varied from 17 to 29ºC...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Macrobrachium olfersii; Fecundity; Sexual maturity; Environmental conditions.
Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752001000200024
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Bonamia sp. (Protozoa, Haplosporidia) parásito de Ostrea puelchana D’Orbigny, (Mollusca, Bivalvia) en el Golfo San Matías (Patagonia Argentina): Histopatología, identificación e infección OceanDocs
Kroeck, M.A..
Los moluscos bivalvos son organismos sedentarios que establecen una relación íntima no sólo entre ellos, sino también con el espacio que ocupan y con sus condiciones fisicoquímicas. Sus poblaciones pueden ser hospedadoras de múltiples organismos patógenos (virus,bacterias, hongos, protistas y metazoos), cuya presencia es regulada eficazmente a niveles infra, meta y suprapoblacionales en ambientes silvestres, no provocando, salvo excepcionalmente, impactos severos. Los cultivos a escala comercial producen concentraciones de individuos, con la consiguiente alteración del medio y del equilibrio natural en la relación parásito-hospedador, generándose condiciones apropiadas para el desarrollo de enfermedades. Entre los años 1995 y 1996 se instala, en la zona...
Tipo: Theses and Dissertations Palavras-chave: Fishery biology; Marine molluscs; Parasitology; Protozoan diseases; Histopathology; Spatial distribution; Environmental conditions; Methodology; Examinations.
Ano: 2005 URL: http://hdl.handle.net/1834/5244
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Breve caracterización de la Caleta de los Loros y consideraciones sobre las actividades pesqueras OceanDocs
Morsan, E.M..
La Caleta de los Loros es una llanura de marea que ha sido establecida como "Reserva de Usos Múltiples", con una zonación interior que determina los usos permitidos. En este informe se realiza una caracterización ambiental y se hacen consideraciones sobre la utilización de los recursos, con especial énfasis en el mejillón
Tipo: Report Palavras-chave: Environmental conditions; Environmental surveys; Environmental protection; Coastal zone management; Clam fisheries; Multiple use of resources; Environmental conditions; Environmental protection; Http://aims.fao.org/aos/agrovoc/c_32980; Http://aims.fao.org/aos/agrovoc/c_15898.
Ano: 2005 URL: http://hdl.handle.net/1834/3714
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Cambio climático, sustentabilidad y gobernanza OceanDocs
Piñeiro, R.; Areces, J. A.; Salinas, E..
L as transformaciones del ambiente han acelerado a tiempos ecológicos los cambios que de otra manera tendrían lugar en lapsos de escala geológica; ello ha iniciado la era conocida por diversos especialistas como Antropoceno. 1 La crisis global asociada a esta situación ha dado lugar al surgimiento en la comunidad científica de una plataforma conceptual, no por consistente menos debatida, sobre el signifcado y las dimensiones de la sustentabilidad. En dicha plataforma adquieren espacio teorizaciones acerca de los ecosistemas,la economía ambiental,la geografía,la sociología y la ciencia cívica.
Tipo: Journal Contribution Palavras-chave: Environmental conditions; Climatic changes; Sustainability; Sustainable management; Environment management.
Ano: 2013 URL: http://hdl.handle.net/1834/5223
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Características ambientales, reproducción y alimentación de la merluza (Merluccius hubbsi)y la anchoíta (Engraulis anchoita)en su habitatreproductivo patagónico. Síntesis y perspectivas OceanDocs
Sabatini, M..
Fish recruitment seems to be influenced by environmental variability;the plankton would act as a link between both processes. While environmental variability can be explained in terms of physical forcing, recruitment variability is partly determined by the survival of early larvae. In this review, the available information on hydrography and plankton in relation to reproduction and feeding of hake (Merluccius hubbsi)and anchovy (Engraulis anchoita)in the Patagonian Argentine Sea, SW Atlantic spawning ground was summarized and integrated. The objective was to assess what is actually known about the environmental and planktonic features of the region that may have an effect on the recruitment of both species. In the Patagonian spawning ground, detection, in...
Tipo: Journal Contribution Palavras-chave: Environmental conditions; Nursery grounds; Spawning grounds; Feeding behaviour; Shelf fronts; Feeding behaviour; Environmental conditions; Nursery grounds; Spawning grounds; Http://aims.fao.org/aos/agrovoc/c_10778; Http://aims.fao.org/aos/agrovoc/c_32980; Http://aims.fao.org/aos/agrovoc/c_25438; Http://aims.fao.org/aos/agrovoc/c_7277.
Ano: 2004 URL: http://hdl.handle.net/1834/1440
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Características ecológicas del pulpito Octopus Tehuelchus en tres ambientes del golfo San Matías OceanDocs
Storero, L.P..
Coastal marine ecosystems are highly variable and the inherent biotic and abiotic factors of these environments can influence the bio-ecological characteristics of the living cephalopods. The presence of the small octopus “pulpito” Octopus tehuelchus in the coastal environments of San Matías Gulf has been exploited by artisanal fishermen for more than 60 years. The aim of this study is to evaluate the variations in the life cycle of the pulpito, and the factors that could account for these variations in three different coastal environments of San Matías Gulf, with differences in the physical, ecological and fisheries characteristics. This study was developed in San Antonio bay, El Fuerte and Islote Lobos. Monthly samplings (October 2005-2007) in the...
Tipo: Theses and Dissertations Palavras-chave: Fishery biology; Cephalopod fisheries; Artisanal fishing; Coastal zone management; Coastal environment; Environmental conditions; Population dynamics; Sex composition; Spatial distribution; Morphology (animal); Life cycle; Feeding; Size-at-first-maturity; Age determination; Growth; Reproduction; Reproductive behaviour.
Ano: 2010 URL: http://hdl.handle.net/1834/5023
Registros recuperados: 102
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