Este relato de experiência aborda a trajetória do Cursinho Popular Carolina Maria de Jesus, um projeto de extensão da Universidade Federal de São Carlos campus Lagoa do Sino, no interior do estado de São Paulo desde o ano de 2016. Dentre as principais reflexões destacam-se: as relações sobre o território de atuação e sua ligação com a construção da educação popular dentro de um espaço pedagógico, o desafio em manter as atividades educativas durante a pandemia de Covid-19, as alternativas desenvolvidas e a relação da construção política da educação e sua importância na construção da extensão universitária. Esta experiência indica a potencialidade da construção de uma Universidade voltada aos interesses populares a partir da construção de uma prática educativa voltada à crítica social e ao engajamento na luta pela democratização do acesso ao ensino superior.
The meat of sharks and rays is commonly traded in Brazil under the generic name of cação. This compromises the monitoring of which species are being traded. In the present study, molecular marker techniques were applied to the species-level identification of elasmobranch meat traded in the southwest of the State of São Paulo. A total of 15 meats purchased in 2019 were partially sequenced (up to 655 base pairs) for the mitochondrial cytochrome c oxidase subunit I (COI) gene. Of these meats, 14 were from Blue Shark, Prionace glauca, and one from Shortfin Mako Shark, Isurus oxyrinchus. Only two (13,3%) out of the 15 cação meat were species identified on its product label – the other meat was only labeled as cação. Both shark meat that had the scientific name stated on the package label correctly corresponded to the species identification obtained through DNA sequencing. It is suggested that similar studies be conducted in other non-coastal regions of the country to further understanding of the cação trade in locations where elasmobranch consumption is not habitual. The present study was the first to detect the Shortfin Mako Shark sold as cação in Brazil.Keywords: DNA Barcoding, elasmobranch, molecular marker, conservation
Habitat fragmentation is one of the main threats to the biodiversity and one of the main challenges faced by conservation biology. This study assessed the effects of habitat fragmentation on the genetic variability of the blue manakin Chiroxiphia caudata, an endemic bird of Atlantic Forest biome. Nine microsatellite loci were used to analyze individuals from five Atlantic Forest areas. Private alleles were found in all areas. Fst, Dest, Bayesian and Discriminant analysis of principal components (DAPC) indicated that populations are genetically structured, but the distance could not explain the differentiation between areas. The fragmentation and the reduction of gene flow may be acting in order to increase the differentiation between areas. Thus, even a generalist species may be affected by habitat fragmentation. Despite this, the whole complex of fragmented areas in Atlantic Forest appears to play an important role for the blue manakin by sheltering its genetic diversity as a whole.
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