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A BR-392, principal via de acesso terrestre ao Porto de Rio Grande/RS, foi recentemente duplicada e recebeu medidas mitigatorias para diminuir seus efeitos sobre o ambiente natural. A partir dai objetivou-se avaliar o contexto espacial que a rodovia esta inserida bem como a distribuicao e a qualidade das passagens de fauna.  Utilizando metricas de paisagem foi possivel observar que a rodovia disseca varios tipos de ambientes muitos dos quais encontram-se fortemente fragmentados pela pressao antropica exercida sobre eles. Alem disso, muitos desses ambientes nao foram contemplados pela reconexao, portanto sem efeito positivo na permeabilidade da rodovia. Foram instaladas dez estruturas de passagem de fauna, sendo que nenhuma delas possui os requisitos basicos e necessarios para garantir sua eficacia, o que leva a sugerir que tais passagens, no seu conjunto, nao estao funcionando e/ou contribuindo para a conservacao da biodiversidade. Abstract: The main road to the Port of Rio Grande, in Rio Grande do Sul State (Brazil) is BR-392 highway. Because it was recently duplication, mitigating measures were taken in order to minimize environmental impacts. This study examines the highway spatial context associated with the surrounding wildlife crossing devices distribution and quality. Landscape ecology metrics indicated a dissecting effect in various habitats - some already fragmented by the former anthropic infrastructure and others not even reconnected through crossing devices - therefore reducing positive effects on road permeability. None of ten mitigating structures fills the basic requirements to ensure its efficiency, which suggests that, as a whole, they do not contribute to biodiversity conservation. Keywords: BR-392; Highways; Wildlife Crossings; Road Ecology.

geographia meridionalis

DISTRIBUIÇÃO E CARACTERÍSTICAS DAS PASSAGENS DE FAUNA NA BR 392, TRECHO ENTRE RIO GRANDE E PELOTAS (RS) / DISTRIBUTION AND CHARACTERISTICS OF WILDLIFE CROSSING DEVICES IN BR 392, SECTION BETWEEN RIO GRANDE AND PELOTAS/RS – BRAZIL