998 resultados para URBANISMO - ASPECTOS AMBIENTALES - SAN ANDRES (ISLA, COLOMBIA)
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The Cutri Formation’s, type location, exposed in the NW of Mallorca, Spain has previously been described by Álvaro et al., (1989) and further interpreted by Abbots (1989) unpublished PhD thesis as a base-of-slope carbonate apron. Incorporating new field and laboratory analysis this paper enhances this interpretation. From this analysis, it can be shown without reasonable doubt that the Cutri Formation was deposited in a carbonate base-of-slope environment on the palaeowindward side of a Mid-Jurassic Tethyan platform. Key evidence such as laterally extensive exposures, abundant deposits of calciturbidtes and debris flows amongst hemipelagic deposits strongly support this interpretation.
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This article analyses the context of production and local situations of appropriation and resignification related to the folk song “Fire on Animaná” as well as the request and mobilization (“The animanazo”) provoked by this song in order to examine different mechanisms and foundations by which a population connect with an event from its community past, identifying with this and taking it in a specific way. In this article we combine discourse analysis of the song and of interviews to participants in this event with the reconstruction —through ethnographic observation— of how to use this song.
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RESUMEN : En Colombia se ha reportado en 111 municipios de 24 departamentos la presencia del caracol africano Achatina fulica, clasificada como una de las 100 especies m?s da?inas del mundo. Debido a que es plaga de diversos cultivos agr?colas y potencialmente peligrosos para la salud humana, ha sido estudiado en varios aspectos de su biolog?a, entre ellos la reproducci?n. Sin embargo, ?ste es el primer trabajo en el cual se caracterizan las etapas de desarrollo de la ovotestis y su maduraci?n, con base en una poblaci?n de 60 individuos de cuatro municipios del Valle del Cauca. Los muestreos se realizaron entre los meses de octubre y diciembre del 2013. Para ?sta caracterizaci?n se emplearon t?cnicas histol?gicas usando hematoxilina-eosina. Se describieron las diferentes estructuras presentes, desde la formaci?n de los primeros acinos de ovotestis hasta el vaciado de espermatozoides y ovocitos, se cuantificaron y midieron los acinos y los ovocitos. Estos ?ltimos, se caracterizaron a trav?s de la morfolog?a, el tama?o y la ubicaci?n en el acino, clasific?ndolos como ovocitos premei?ticos, previtelog?nicos y vitelog?nicos. Con la informaci?n obtenida y los estados de la espermatog?nesis, se definieron cinco etapas de desarrollo: inmaduros, inicio de gametog?nesis, madurez temprana, madurez total y vaciado, siendo excluyentes entre s?. Las poblaciones estudiadas se compararon mediante la cantidad de los ovocitos en los diferentes estados de madurez y el ?ndice de madurez ovoc?tica, sin diferencias significativas existentes, lo cual sugiere que presentan el mismo patr?n de reproducci?n para esta ?poca del a?o. ABSTRACT : Achatina fulica, which is considered one of the top hundred most dangerous species on the world, has been reported in 111 municipalities in 24 departments of Colombia. Because this species is a plague to several crops and potentially harmful to human health, several aspects of its biology have been studied, including it?s the reproductive biology. However, this is the first work where the ovotestis developmental stages and maturation are characterized. This was accomplished using 60 specimens from four municipalities of Valle del Cauca department. Samplings were conducted between monts october and december 2013. For the characterization, histological techniques using hematoxilin-eosin were used. The different structures were carefully described, from the formation of the first ovotestes? acini to the sperm emptying; the acini and ovocites were counted and measured. The latter were characterized, using morphology, size and the position on the acini, as pre-meiotic, pre-vitellogenic and vitellogenic oocytes. Based on this information and the spermatogenesis stages, five developmental stages were defined: immature, early gametogenesis, early maturity, mature and emptiness, which were mutually exclusive. The studied populations were compared using the amount of oocytes in the different maturity stages and the oocytic maturity index, but no significant differences were found, which suggests that the all the populations show the same reproductive pattern during this year season.
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Bogotá (Colombia): Universidad de La Salle. Facultad de Ciencias Económicas y Sociales. Programa de Economía
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Fondo Margaritainés Restrepo
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Este modelo resume aspectos conceptuales, metodológicos y de gestión, derivados del estudio de caso de la ciudad de Manizales. El modelo de bio-ciudad considera que para lograr una política equilibrada y sustentable para la planificación del espacio urbano se deben incorporar al menos cuatro principios fundamentales
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Fondo Margaritainés Restrepo
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Bogotá (Colombia): Universidad de La Salle. Facultad de Ciencias del Hábitat. Programa de Arquitectura
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30 p.
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Fondo Margaritainés Restrepo
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69 p.
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2 documentos : ilustraciones.
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Bogotá (Colombia) : Universidad de La Salle. Facultad de Ciencias Administrativas y Contables. Programa de Contaduría Pública
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94 p.