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La télévision Tunisienne et la gestion d'une certaine temporalité : le Ramadan / Survey of the Tunisian television and of some temporality management that explains television programming during the RamadanHajri, Sonia 19 December 2013 (has links)
Etude sur la télévision tunisienne et la gestion d’une certaine temporalité expliquant la grille télévisuelle pendant le Ramadan. Il s’agit de faire un état des lieux de l’histoire et du fonctionnement de la télévision sous les différents régimes afin de déterminer l’amplitude ou non des changements dans la diffusion des programmes. Cette temporalité attire les producteurs, les directeurs des chaînes ainsi que les annonceurs et plonge le téléspectateur tunisien dans une consommation effrénée, ce qui confirme l’emprise des gouvernements pour s’accaparer cette pratique et intégrer ce rituel dans leurs stratégies de propagande. Il s’agit d’une mise en perspective de la programmation télévisuelle lors de cette période spécifique du Ramadan qui laisse la part belle aux émissions d’origine tunisienne quelle que soit la chaîne (Tunis 7, Canal 2, Hannibal tv, Nessma), d’où l’élaboration de grilles distinctives des grilles « ordinaires », où les programmes tunisiens sont presque totalement absents de celle-ci. / This is a question of taking stock of the history and the proper operation of television under the various state regime in order to determine or not the degree of the changes regarding broadcasting programmes. Producers, CEOs as well as advertisers are attracted to that temporality and thereby Tunisian TV viewers get swept by unlimited consumption That matter confirms this ritual is under the influence of governments so to monopolize it and make it part of their "propaganda" strategies.The purpose is to put into perspective television programming during the distinctive Ramadan period so to focus on Tunisian TV programming irrespective of the channels (Tunis 7, Canal 2, Hannibal TV, Nessma) hence the making of some distinctive programming as opposed to "regular" and a near absence of Tunisian programming.
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Variação no canto de anúncio de Dendropsophus cruzi (Pombal & Bastos,1998) (Anura: Hylidae) / Variation in advertisement call of Dendropsophus cruzi (Pombal & Bastos, 1998) (Anura: Hylidae)Tessarolo, Geiziane 25 February 2010 (has links)
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Previous issue date: 2010-02-25 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES / The advertisement call of anurans contains spectral and temporal information important
for specific recognition, beside relevance in social organization and attraction of
females. The variation in features call has been received attention because their
importance in breeding behavior, and implications for the recognition of conespecifics
in multiple levels of social organization. The objective of this study is to investigate
patterns of variability in the acoustics properties of the advertisement call of
Dendropsophus cruzi in different levels: individual, population and specific, in ten
populations of state of Goiás. The following acoustic variables were analyzed: call
repetition rate, duration of call, number of pulses, duration of pulse and dominant
frequency. The acoustics parameters weret influenced as for temperature as for rostrumcloacal
length (CRC), and presented different variability coefficients, within-male and
among-male being the variability among-male greater than the variability within-male.
The dominant frequency is the property of greater potential for use in the specific
recognition and also is the characteristic that best discriminates populations. The
geographic distance did not predict the differences found in the call. However,
geographic cline patterns was found for duration of call, call repetition rate and CRC.
The differences among populations can be due to local selective pressures as
environmental and social structure of the chorus. The decreases of CRC to the north
reflect the gradual change in the temperature in the same sense, influencing the
development and growth rates, with smaller individuals. On the other hand, the increase
of the temporal characters of call occur for increase the loss attractiveness caused by the
high dominant frequency imposed by the smallest size of the body. / O canto de anúncio contém informações espectrais e temporais importantes para o
reconhecimento específico, além de sua relevância na organização social e atração
sexual de fêmeas. A variação nas características do canto tem recebido bastante atenção
devido sua importância no comportamento de acasalamento e suas implicações para o
reconhecimento de coespecíficos em múltiplos níveis de organização social. Assim o
objetivo deste estudo é investigar padrões de variabilidade nos parâmetros acústicos do
canto de anúncio de Dendropsophus cruzi em nível individual, populacional e
específico, em dez populações do estado de Goiás. As seguintes variáveis acústicas
foram analisadas: taxa de repetição, duração do canto, número de pulsos, duração do
pulso e frequência dominante. Os parâmetros acústicos foram influenciados tanto pela
temperatura como pelo comprimento rostro-cloacal (CRC), e apresentaram diferentes
coeficientes de variação, sendo que o CVinter-individual foi maior que o CVintraindividual.
A freqüência dominante é a propriedade de maior potencial para ser usada
no reconhecimento específico e também é a característica que melhor discrimina as
populações. A distância geográfica entre as populações não foi preditora para as
diferenças encontradas no canto. Entretanto padrões geográficos clinais foram
encontrados para duração do canto, freqüência dominante, taxa de repetição e CRC. As
diferenças entre as populações podem ser devidas a pressões seletivas locais tanto
ambientais como de estrutura social do coro. A diminuição do CRC ao norte reflete a
mudança gradual de temperatura que ocorre nesse sentido, influenciando as taxas de
desenvolvimento e crescimento, com indivíduos menores. Por outro lado o aumento das
características temporais do canto ocorre para aumentar a atratividade perdida pelas
altas freqüências dominantes impostas pelo menor tamanho do corpo.
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