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Registros recuperados: 37
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An intercomparison study of the determination of sulfite in tropical shrimps by the West European Fish Technologists' Association (WEFTA) OMA
Luten, J.; Bouquet, W.; Oehlenschläger, J.; Meetschen, U.; Etienne, M.; Stroud, G.; Bykowski, P.; Batista, I.; Vyncke, W.; Stefansson, G..
Eight WEFTA laboratories participated in two series of intercomparison exercises on sulfite determination in tropical shrimps. Samples of tropical shrimps were spiked with sodium metabisulfite (Na<sub>2</sub>S<sub>2</sub>O<sub>5</sub>) and hydroxymethylsulfonate (HMS) at a level of 25-90 mg SO<sub>2</sub>/kg. Most of the laboratories determined the sulfite content with (modified) methods of Monier-Williams or De Vries et al. The overall mean recovery of sulfite was rather low (47-60%), which may be attributed to an irreversible reaction of sulfite with the tropical shrimps. The repeatability of the methods within the participating laboratories was good. However, reproducibility among the laboratories was...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Detection; Fishery products; Food technology; International cooperation; Quality control; Recovery; Shrimp fisheries; Sulphites.
Ano: 1997 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=5742
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An interview-based assessment of the incidental capture and mortality of sea turtles in Mozambique´s Sofala Bank commercial shrimp fishery OceanDocs
Brito, A..
Trawling for penaeid shrimps in Sofala Bank (central Mozambique) has been suggested to have major effects on the size of sea turtle populations. A total of 39 commercial fishers, fishery observers and enforcers were interviewed to assess the level of sea turtle catches in fishing operations and reported that at least 1,735±1,235 sea turtles are caught each fishing season of about seven months. Green turtle (Chelonia mydas, 48.4%), the loggerhead turtle (Caretta caretta, 25.8%) were the most common species, but catches also comprised the olive ridley (Lepidochelys olivacea),the hawksbill turtle (Eretmochelys imbricata) and the leatherback (Dermochelys coriacea). Over 54.8% of the incidents occur within a few miles of the small islands forming the Primeiras...
Tipo: Journal Contribution Palavras-chave: Marine turtles; Trawling; Shrimp fisheries; Prawns and shrimps; Trawling.
Ano: 2012 URL: http://hdl.handle.net/1834/5142
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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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Aspectos etológicos y ecológicos de Camarones limpiadores de peces (Natantia: Palaemonidae, Hippolytidae, Stenopodidae) OceanDocs
Criales, M.M.; Corredor, L..
Por medio de buceos diurnos y nocturnos con equipo SCUBA, se hicieron observaciones de campo sobre la otología de los camarones limpiadores de peces presentes en la Bahía de Santa Marta (Colombia) y en Young Islatid Channel (Isla de Saint Vincent, Antillas Menores), desde enero hasta septiembre de 1976. Se tomaron notas detalladas del comportamiento de limpieza de dos especies de camarones de actividad diurna y de tres especies nocturnas, y de la frecuencia de las limpiezas de las especies particulares de peces. Los camarones diurnos mostraron preferencia por limpiar la. boca y las branquias de sus clientes y los camarones nocturnos por limpiar la superficie corporal de los mismos. Las poses adoptadas por los peces durante el día y la noche, sugieren un...
Tipo: Journal Contribution Palavras-chave: Marine crustaceans; Feeding behaviour; Shrimp fisheries; Feeding behaviour; Http://aims.fao.org/aos/agrovoc/c_10778.
Ano: 1977 URL: http://hdl.handle.net/1834/3903
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Aspects techniques d’exploitation du métier trémails à crevettes dans le golfe de Gabès OceanDocs
Bdioui, M.; M’rabet, R.; Ben Naceur, L.; Missaoui, H.; Ben Salem, S..
The investigations realised with fishermen and the consultation of the statistical official documents, confirmed the importance of shrimp’s trammel nets métier in this area. The concerned fleet could be divided into two categories: a modern fleet characterised by variables means of production and sophisticated equipments. The second, the most numerous was a typically small scale fleet which suffers of the lack of means. Moreover, these investigations gave arise to the identification of several models of shrimp’s trammel nets assembly.
Tipo: Journal Contribution Palavras-chave: Trammel nets; Trémails à crevettes <; Penaeus kerathurus>; Shrimp fisheries.
Ano: 2004 URL: http://hdl.handle.net/1834/1552
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Bioensayo para calcular el CL50 del dispersante de petróleo BP 1100-WD con larvas de camarón Penaeus vannamei OceanDocs
Villamar, F..
En el presente estudio se realiza un bioensayo para determinar el grado de concentración media letal del dispersante de petróleo BP 1100-WD, utilizando organismos vivos en condiciones de laboratorio. Se describe el método estadístico de Bliss. En definitiva el propósito de realizar bioensayos es la de comparar la toxicidad de diferentes compuestos y conocer la sensibilidad de las diversas especies, para determinar los mecanismos de los efectos de las sustancias ensayadas (Alcazar, 1988).
Tipo: Journal Contribution Palavras-chave: Bioassays; Toxicity; Larvae; Shrimp fisheries; Bioassays; Toxicity; Larvae.
Ano: 1990 URL: http://hdl.handle.net/1834/2164
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Bony fish bycatch in the southern Brazil pink shrimp (Farfantepenaeus brasiliensis and F. paulensis) fishery BABT
Vianna,Marcelo; Almeida,Tabajara.
Trawling for pink shrimp (Farfantepenaeus brasiliensis and F. paulensis) catches also large quantities of fish, mostly bony fish, which are discarded, as they have no commercial value. Their composition and abundance were studied in an area that corresponded to the southeastern coastline of Brazil. Ninety one species were registered. Incidental fishing affected mainly small individuals and occured throughout the year. The year round rate of bony fish to shrimp catches was 10,5:1,0. Three assemblages of bony fishes could be identified, influenced by the seasonal variation of the water masses, the predominant group being associated with the Coastal Water, another with the penetration of colder waters onto the platform (SACW) and a third group of a more...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bycatch; Bony fishes; Demersal fish; Shrimp fisheries.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132005000500014
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Características fisico-químicas de los sedimentos del Golfo San Jorge y su relación con los organismos bentónicos OceanDocs
Fernández, M..
This is a study on surficial sediments and bottom water physico-chemical characteristics of the San Jorge Gulf (SW Atlantic, Argentina)during spring 1999 - winter 2000 (first studied period), autumn 2001- summer 2002 (second studied period)and winter 2003 (third studied period), based on samples obtained during research cruises carried out on board of the INIDEP (Instituto Nacional de Investigación y Desarrollo Pesquero)research vessels. Environmental variables such as temperature, salinity, density, oxygen and bottom water chlorophyll a content as well as granulometric fractions, total organic matter, total organic carbon, total nitrogen, total phosphorous, chlorophyll a and phaeopigments in sediment concentration and depth were analyzed. The origen and...
Tipo: Theses and Dissertations Palavras-chave: Physicochemical properties; Benthic environment; Organic matter; Shrimp fisheries; Benthos; Organic matter; Benthos; Physicochemical properties; Benthic environment.
Ano: 2006 URL: http://hdl.handle.net/1834/3134
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Crustáceos Decápodos y Estomatópodos asociados a la pesquería del langostino patagónico Pleoticus muelleri (Bate, 1888) en el golfo San Jorge, Argentina OceanDocs
Roux, A.; Piñero, R..
The analysis of the data obtained in five research cruises carried out during the year 2000 allowed to describe the composition, structure and distribution of decapod and stomatopod crustaceans of the benthic communities of the San Jorge Gulf associated to Patagonian red shrimp fishing grounds. Results show that decapod and stomatopod crustaceans account for 71% of the total crustacean species registered in the benthic community. Munida subrugosa is the species that presents the highest values of relative abundance, frequency of occurrence and relative importance index. The feeding habits of Libidoclaea granaria, Lithodes santolla and Peltarion spinosulum and food availability in the San Jorge Gulf fishing grounds explain the high frequency of occurrence...
Tipo: Journal Contribution Palavras-chave: Fishing grounds; Marine crustaceans; Ecological associations; Abundance; Shrimp fisheries; Fishing grounds; Ecological associations; Http://aims.fao.org/aos/agrovoc/c_2947; Http://aims.fao.org/aos/agrovoc/c_32845.
Ano: 2006 URL: http://hdl.handle.net/1834/2514
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Dinámica y manejo de la captura incidental de peces en la pesquería del langostino patagónico (Pleoticus muelleri) OceanDocs
Góngora, M.E..
This work characterizes the composition and dynamics of the incidental catch in the patagonian shrimp (Pleoticus muelleri) fishery, with special emphasis on the bycatch of common hake (Merlucius hubbsi). The Observer Program coordinated by the Chubut Province (Argentina) and used to monitor the fishery is evaluated. The factors that explain the variability of hake bycatch rates are analyzed, different statistical estimators are evaluated and possible strategies for controlling bycatch are discussed. The study is centered on the double-otter-trawl freezers, responsible for 75 percent of the Argentine shrimp landings. This fleet operates in San Jorge Gulf, in waters under the jurisdiction of the provinces of Chubut and Santa Cruz, and in waters of the...
Tipo: Theses and Dissertations Palavras-chave: Shrimp fisheries; Stock assessment; Fishery management; By catch; Catch composition.
Ano: 2011 URL: http://hdl.handle.net/1834/4190
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Distribución espacial de la pesquería de camarón (Farfantepenaeus notialis) en el Golfo de Ana María, aplicando Sistema de Información Geográfica. OceanDocs
Garcés Rodríguez, Yuliesky; Giménez, Enrique; Alzugaray, Romina.
Se representa la distribución del esfuerzo y rendimiento pesquero en la pesca de camarón durante el periodo de 2003 – 2005 para el Golfo de Ana María aplicando Sistema de Información Geográfica. Las salidas espaciales en los mapas obtenidos permitieron mostrar que la región de mayor esfuerzo pesquero fue la zona de Manuel Gómez, de empresas de Cienfuegos (EPICIEN), y las cuadrículas pertenecientes a la empresa de Santa Cruz del Sur (EPISUR). Los máximos de rendimiento pesquero reflejados espacialmente, pertenecen a la sub-zona Este de Manatí, al noreste de las cuadrículas de EPISUR y las sub-zonas de Manuel Gómez y Palomo. La representación gráfica de los resultados muestra que no existe una correspondencia entre el esfuerzo y la captura por unidad de...
Tipo: Journal Contribution Palavras-chave: Shrimp fisheries; Geographic information systems; Fishing effort.
Ano: 2012 URL: http://hdl.handle.net/1834/4570
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Ecological distribution of the shrimp camarao serrinha Artemesia longinaris (Decapoda, Penaeidae) in Fortaleza bay, Ubatuba, Brazil, in relation to abiotic factors OceanDocs
Fransozo, A.; Costa, R.C.; Castilho, A.L.; Mantelatto, F.L..
The spatial and temporal distribution of the shrimp Artemesia longinaris in Fortaleza Bay, northern coast of Sao Paulo State, Brazil, in relation to abiotic factors, was studied. Shrimp samples were obtained on a monthly basis from November 1988 through October 1989 at seven pre-delimited transects on board of a fishing vessel supplied with double otter trawl nets. Depth was recorded at the midpoint of each transect; water and sediment samples were taken to measure salinity, temperature, texture and organic matter content of sediment. The shrimps obtained in the trawls were sorted, identified and 100 g subsample at each transect was separated for measurements (carapace length). A total of 3,083 individuals were obtained. Shrimps were more abundant from...
Tipo: Journal Contribution Palavras-chave: Abiotic factors; Ecological distribution; Shrimp fisheries; Fishery surveys; Abundance.
Ano: 2004 URL: http://hdl.handle.net/1834/1537
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Estado do conhecimento sobre a pescaria de camarão do Banco de Sofala (Moçambique) em 2011 OceanDocs
Palha de Sousa, L.; Abdala, S.; Brito, A..
O camarão de superfície do Banco de Sofala representa uma importante fonte de divisas para Moçambique. O estado de conhecimento sobre a pescaria encontra-se distribuído por fontes bibliográficas diversas incluindo principalmente relatórios internos. Este trabalho tem como principal objectivo compilar todos os dados e informação sobre a pescaria e o stock de camarão de superfície no Banco de Sofala desde o início da sua exploração comercial até ao presente momento. Nele se inclui uma breve descrição da pescaria, a evolução do esforço de pesca, capturas e os respectivos rendimentos da pescaria. É feita referência à história das diferentes medidas de gestão adoptadas sobre o licenciamento, a malhagem mínima, vedas e Total Admissível de Captura (TAC). É...
Tipo: Journal Contribution Palavras-chave: Shrimp fisheries; Fishing effort; Stock assessment.
Ano: 2011 URL: http://hdl.handle.net/1834/5139
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Estructura de tallas de la ictiofauna en la pesquería de camarón en el Golfo de Ana María, plataforma suroriental de Cuba. OceanDocs
Valdés, E.; Villafuerte, V.; Domínguez, H.; Pérez, A..
Se analizan las variaciones en las tallas de las principales especies de peces que componen la fauna acompañante del camarón en la porción sur del Golfo de Ana María, plataforma suroriental cubana, durante el 2002-2010. Se encontró que para las 9 entidades seleccionadas, consideradas representativas dado sus elevados valores de abundancia relativa (85 % de la captura en peso) y frecuencia de aparición en los cruceros, los largos medios oscilaron entre 10.7-25.1 cm, con una talla media general de 14.4 cm, panorama indicativo de que el grueso de la ictiofauna en la captura incidental de camarón está integrada por especies de mediano a pequeño tamaño. El escenario general de largos en las mediciones individuales mostró un intervalo algo mayor, entre 8.0-31.0...
Tipo: Preprint Palavras-chave: Fauna; Shrimp fisheries; Fauna; Http://aims.fao.org/aos/agrovoc/c_2821.
Ano: 2010 URL: http://hdl.handle.net/1834/3835
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Estudio sobre la calidad y utilización de algunas especies de pescado demersal de tamaño pequeño en el Ecuador OceanDocs
Montaño, R.; Bostock, T.; Andrade, B..
In the paper presented, comparisons are made between 12 species of small demersal fish (less than 30 cm O.L.) commonly found in the shrimp by-catch. Each species is described, estimates are made as to their relative abundance and fishery and complete data are presented on processing: filets, deboned minces. Taste panel work was carried out on cooked fillets as well as products made from the deboned mince and chemical analyses were made on all the species. The possibility of future increased utilization of these species is discussed.
Tipo: Journal Contribution Palavras-chave: Demersal fisheries; By catch; Shrimp fisheries; Processing fishery products; Organoleptic properties; Demersal fisheries; Organoleptic properties; Http://aims.fao.org/aos/agrovoc/c_2173; Http://aims.fao.org/aos/agrovoc/c_5399.
Ano: 1985 URL: http://hdl.handle.net/1834/3156
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Evaluation des stocks et aménagement des pêcheries de la ZEE mauritanienne OceanDocs
Diop, M.; Inejih, C.A.O.; Tous, P.; Failler, P.; Dia, M.A..
Le cinquième groupe de travail destiné à l’évaluation des stocks et l’aménagement des pêcheries de la zone économique exclusive mauritanienne s’est réuni à l’Institut Mauritanien de Recherches Océanographiques et des Pêches (IMROP) du 9 au 17 décembre 2002. Les objectifs de ce groupe de travail étaient d’actualiser les résultats des groupes de travail précédents, en utilisant les nouvelles informations disponibles ; d’établir un diagnostic des différents stocks et pêcheries afin de définir les potentiels de capture ainsi que les caractéristiques de l’effort permissible et d’évaluer l’impact des mesures d’aménagement actuellement en vigueur et identifier les perspectives à venir. Les résultats obtenus ont contribué à la formulation de recommandations...
Tipo: Journal Contribution Palavras-chave: Artisanal fishing; Catch composition; Catch statistics; Catch/effort; Cephalopod fisheries; Coastal fisheries; Demersal fisheries; Economic analysis; Environmental conditions; Fishery economics; Fishery management; Fishing effort; Fishing fleet; Landing statistics; Marine environment; Overfishing; Pelagic fisheries; Population dynamics; Prices; Quality assurance; Quality control; Research institutions; Research vessels; Seasonal distribution; Seasonal variations; Shrimp fisheries; Socioeconomic aspects; Upwelling; Demersal fisheries; Economic analysis; Fishery management; Marine environment; Prices; Research vessels; Catch composition; Coastal fisheries; Environmental conditions; Fishing effort; Overfishing; Pelagic fisheries; Population dynamics; Quality assurance; Research institutions; Http://aims.fao.org/aos/agrovoc/c_2173; Http://aims.fao.org/aos/agrovoc/c_2469; Http://aims.fao.org/aos/agrovoc/c_24026; Http://aims.fao.org/aos/agrovoc/c_4610; Http://aims.fao.org/aos/agrovoc/c_6178; Http://aims.fao.org/aos/agrovoc/c_6516; Http://aims.fao.org/aos/agrovoc/c_1384; Http://aims.fao.org/aos/agrovoc/c_1696; Http://aims.fao.org/aos/agrovoc/c_32980; Http://aims.fao.org/aos/agrovoc/c_24027; Http://aims.fao.org/aos/agrovoc/c_34068; Http://aims.fao.org/aos/agrovoc/c_5659; Http://aims.fao.org/aos/agrovoc/c_6111; Http://aims.fao.org/aos/agrovoc/c_35287; Http://aims.fao.org/aos/agrovoc/c_6514.
Ano: 2005 URL: http://hdl.handle.net/1834/1322
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Factores fisioecológicos que limitan la distribución del camarón Penaeus schmitti en la bahía de Cienfuegos, Cuba OceanDocs
Suarez Alvarez, G..
La distribución del camarón blanco Penaeus schmitti puede interpretarse basándonos en el análisis de factores ecológicos y parámetros fisiológicos que pueden limitar su vida. Se estudiaron los datos de la distribución del oxígeno, salinidad, temperatura y los factores rhopicos Cl/SO4; Na/Ca y Cl/Ca) en muestras de agua del fondo de la bahía de Cienfuegos, los cuales se comparan con las áreas camaroneras de mayor rendimiento. Estas relaciones iónicas también se estudiaron en la hemolinfa de los camarones y se realizaron bioensayos de supervivencia a diferentes concentraciones iónicas del medio, determinándose las concentraciones óptimas para su presencia y después de compararlos con los valores del medio se recomiendan las mejores áreas para la captura del...
Tipo: Journal Contribution Palavras-chave: Shrimp fisheries; Temperature effects; Salinity effects; Zonal distribution; Capture fisheries; Survival; Bays.
Ano: 1973 URL: http://hdl.handle.net/1834/4879
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Gear selectivity for three by-catch species in the shallow-water shrimp trawl fishery at the Sofala Bank, Mozambique OceanDocs
Pinto, M.A..
The reduction of shrimp by-catch when fishing with shrimp trawlers can constitute a strategy to minimise discards. A research cruise was conducted in February 1995 in shallow waters off Sofala Bank, Mozambique to investigate the sorting (selection) efficiency of cod-ends (55mm and 60mm meshes) compared to the top-grid (14mm space bar) systems using covered cod-end method. The selectivity parameters were obtained for Otolithes ruber, Johnius dussumieri and Thryssa vitrirostris through the maximum likelihood estimate (MLE) method, using logit function and pooled samples through the variance component model (VCM) . The top-grid was mounted at a theoretical angle of 33°, one metre aft of the retriever strap, in a downward direction. The overall shrimp to...
Tipo: Report Palavras-chave: Shallow water; Shrimp fisheries.
Ano: 1999 URL: http://hdl.handle.net/1834/364
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Growth, longevity, and juvenile recruitment of the white shrimp Litopenaeus schmitti (Burkenroad, 1936) (Decapoda: Penaeoidea) in southeastern Brazil Biological Sciences
Miazaki, Lizandra Fernandes; Santos, Ana Paula Freitas dos; Salvati, Dalilla da Silva; Simões, Sabrina Morilhas; Costa, Rogério Caetano da.
 Litopenaeus schmitti is one of the most commercially exploited penaeids on the southeastern and southern Atlantic coast of Brazil. Information about juvenile recruitment and growth patterns of individuals is important for management programs. The present study estimated the growth parameters, longevity, and recruitment of L. schmitti in the region of Ubatuba, São Paulo State. The growth parameters of individuals were estimated by the Bertalanffy growth model, and longevity was estimated with the inverted Bertalanffy equation. The growth parameters were, for females and males respectively: CL∞ = 53.10 mm and 43.23 mm, k = 1.82 year-1 and 2.19 years-1, t0= 1.10 and 0.69. Longevity was calculated to be 2.27 years for females and 2.10 years for males....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Dendrobranchiata; Shrimp fisheries; Closed season; Bertalanffy; Growth coefficient..
Ano: 2018 URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/40379
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Growth, mortality and recruitment of commercially important fishes and penaeid shrimps in Indonesian waters AgEcon
Dwipongo, A.; Hariati, T.; Banon, S.; Palomares, M.L.D.; Pauly, Daniel.
Tipo: Report Palavras-chave: Population dynamics; Stock assessment; Commercial species; Shrimp fisheries; Agribusiness.
Ano: 1986 URL: http://purl.umn.edu/44682
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