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The actual article aims analysis the connectivity of the landscape of basin hydrographic stream of Tiger, from the analysis quantity of sediment connectivity index. The basin is located in the county of São João do Tigre-PB and is inserted in environment semi-arid, presenting only intermittent and ephemeral streams. The connectivity index uses topographic, hydrological and land cover information FR A N C O , V . V .; SO U ZA , J . O . P . 698 GEOUSP (Online), São Paulo, v. 23, n. 3, p. 697 – 711, set/dez 2019 to address the potential of sediment connectivity. Therefore, the most central portions, at North and northeast of the basin presenting connectivity between intermediate, low and very low. At the borders of the basin, especially at portion southeast, are the highest indexes of the connectivity, whose areas have higher slopes and high altitudes, corroborating for to higher production of sediments. Lastly, it is essential to understand that some aspect controls the connectivity index, such as land use and occupation, slope and altitude.

Conectividade de sedimentos na Bacia Hidrográfica Riacho do Tigre, ambiente semiárido no município de São João do Tigre-PB