Coordenação de Aperfeiçoamento de Pessoal de Nível Superior / The main goal of this research is to test the Bergmann Rule in its levels - order, suborder and parvordem - in contrast with the leading families (Furnariidae, Thamnophilidae, Tyrannidae e Thraupidae) passerines of the Atlantic Forest. I intended to identify whether the pattern of body size distribution in these groups follow this rule. To reach the goal, the Atlantic Forest was divided into 123 squares (110km x110km). So, I calculated the average body size and the passerines richness in each square. Environmental variables employed as predictors were temperature, precipitation and space. The analysis of Linear Regression and, MantelCorrelationwere used. I observed that passerines are positively correlated to temperature and precipitation. On the other hand, latitude is not correlated to Passeri nor to Tyrannidae. I concluded that, in general, all Atlantic Forest passerines follow the Bergmann Rule are in consonance with the Bergmann Rule. In general, researches test/employ the Bergman Rule in more global patterns for passerines. So, we found no previous researches focusing specifically on the Atlantic Forest. In this light, this research is meaningful to this geographic scale, especially because of the uniqueness of this South America ancient ecosystem, the Atlantic Forest. / O objetivo deste estudo foi testar a Regra de Bergmann a nível de ordem, subordem, e principais famílias (Furnariidae, Thamnophilidae, Tyrannidae e Thraupidae) de Passeriformes florestais da Mata Atlântica a fim de identificar se os padrões de distribuição do tamanho corporal nesses grupos seguem essa regra. A Mata Atlântica foi dividida em 123 quadrículas (110km x 110km) e foi calculado o tamanho corporal médio e a riqueza dos Passeriformes em cada quadrícula. As variáveis ambientais utilizadas como preditoras foram a temperatura, a precipitação e o espaço geográfico. Utilizamos as análises de Regressão linear e correlação de Mantel. Desta forma encontramos que os Passeriformes são correlacionados positivamente com a temperatura e a precipitação. A latitude não se correlacionou com Passeri e Tyrannidae.Ao final concluímos que em geral todos os Passeriformes florestais da Mata Atlântica seguem a Regra de Bergmann. Em geral as pesquisas voltadas para a Regra de Bergmann tratam de padrões mais globais para aves. E, maisregionalmente, como na Mata Atlântica, nada foi testado quanto a isto e, assim, este estudo se torna relevante para essa escala geográfica. Ainda mais devido a singularidade da Mata Atlântica, que é um ecossistema antigo na América do Sul.

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Some assert that social media has contributed in one way or another to organizing the work of revolutionaries and those seeking freedom and democracy on its platforms and has provided them with a space to express their opinion against authoritarian regimes. However, the information policies of the companies behind social media can discourage activists and enable authoritarian regimes. This case study examines the views of experts and media professionals on the changes in the roles of social media companies over the past 11 years in the context of social liberation movements. Through interviews with four media professionals and a survey of Syrian social media users, the study identifies the perceived restrictions imposed on the freedom of activists and media professionals to use social media, and at the same time identifies the perceived beneficiaries of these restrictions. The results show that social media companies are now playing a dangerous role in imposing an unethical system on new media that is far from impartiality and objectivity. It also empowers people and groups belonging to certain political parties and gives them freedom of expression at the expense of other people and groups. / Vissa hävdar att sociala medier, på ett eller annat sätt, har bidragit till att organisera revolutionärer och de som söker sig till frihet och demokrati på dess plattformar. Att det har skapat ett utrymme att uttrycka sina åsikter på, mot auktoritära regimer. Däremot kan informationspolicy för företagen, bakom sociala medier och dess plattformar, avskräcka aktivister och möjliggöra för auktoritära regimer. Denna fallstudie undersöker synpunkter utifrån experter och media-kunniga, kring förändringar i rollerna hos sociala medie företag under de senaste 11 åren, i samband med den sociala befrielserörelsen. Genom intervjuer med fyra media-kunniga och en undersökning av Syriska sociala medie användare, identifierar studien de upplevda restriktioner som ålagts på aktivister och media-kunniga. Samtidigt identifieras även förmånstagarna av dessa restriktoner. Resultatet visar att sociala medieföretag spelar en farlig roll när det gäller att påtvinga nya medier/plattformar ett oetiskt system som är långt ifrån opartiskt och objektivt. Det ger individer, och vissa politiska grupper, makten att nyttja yttrandefriheten på bekostnad av andra individer och grupper.