Programa de Pós-graduação em Ciências Ambientais
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Navegando Programa de Pós-graduação em Ciências Ambientais por Por Orientador "Bastos, Rogério Pereira"
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Item Ecologia e conservação de anfíbios anuros do estado de Goiás(Universidade Federal de Goiás, 2006-02-13) Guimarães, Lorena Dall´Ara; Bastos, Rogério Pereira; http://lattes.cnpq.br/6015137404238990; Bastos, Rogério Pereira; Brandão, Divino; Diniz Filho, José Alexandre Felizola; Pombal Júnior, José Peres; Prado, Cynthia Peralta de AlmeidaThis study aimed to examine patterns of anuran species richness in twenty municipalities in the State of Goiás, central Brazil. We also compared richness of anuran species among these localities and verified the patterns of spatial distribution for four habitat types (gallery forests, ponds associated to gallery forest, ponds associated to cerrado sensu stricto, and ponds close to anthropic area). Surveys were conducted between 2001 and 2005. Considering the four habitat types, a total of 6,491 individuals from 52 anuran species were registered. Calling males were found on the ground, shrubs, and grasses. Ponds associated to cerrado sensu stricto showed the highest species richness. In contrast, gallery forest assemblages exhibited the highest species diversity and equitability. The largest number of individuals was found in disturbed areas and ponds associated to cerrado sensu stricto. Similarity analysis showed that open habitats had the most similar communities, while the most dissimilar assemblages were observed between gallery forests and ponds within disturbed areas. Seven species in the families Leptodactylidae and Hylidae showed significant indicative values (bioindicators) for particular habitats. A total of 61 species was registered in twenty municipalities, representing 44.7% of the anuran richness registered for the Cerrado. The highest species richness was found in the municipality of Silvânia, while the lowest richness was registered in Mundo Novo. The results showed a non-significant correlation between socio-economics variables and anuran species composition. Anuran species richness seems to be lower close to areas used for the establishment of pastures and agriculture. On the other hand, species richness tends to be higher (likely through succession) in areas without human disturbance. Results of this study could or should be considered during development of management strategies focusing on amphibian conservation in the Cerrado biome. Moreover, a better understanding of how different fragmentation degrees affect amphibian diversity is important to access the influence of habitat quality on Cerrado´s amphibians, and also to improve management programs focused on amphibian conservation.Item Faixas de domínio das rodovias: aspectos socioambientais da destinação/ocupação(Universidade Federal de Goiás, 2018-04-30) Oliveira, Sílvio Lacerda de; Marco Junior, Paulo de; http://lattes.cnpq.br/2767494720646648; Bastos, Rogério Pereira; http://lattes.cnpq.br/6015137404238990; Bastos, Rogério Pereira; Antoniosi Filho, Nelson Roberto; Faria Lima, Luciana Signorelli; Nabout, João Carlos; Bárbara, Vinícius FagundesRoad Ecology is a scientific discipline that studies the effects of transport’s infrastructure such as roads, railways and canals on the ecosystem. Ecological effects including habitat destruction and fragmentation, increased erosion and pollution, and, particularly disturbing, the roadkill, which can be highly impacting populations of low-density species such as endangered species, having the potential to significantly affect biodiversity. Even with a considerable increase in recent studies on the subject, there are large gaps in knowledge about the effects of highways, and especially on how these effects affect animal populations, man, and ways to minimize or mitigate environmental impacts. These gaps are especially worrying in countries such as Brazil, which opted for a road modal and thus, presents an extensive network of highways. Brazil even develops research and publishes on road ecology, being the third country that contributes most to the world scientific production, but there is a predominance of roadkill studies and a low number of studies on mitigation measures, and roadkill studies are lacking standardization in the methodology adopted by the researchers. In this study, the detection rate of animals of different taxonomic classes was analyzed using different tracking speeds, and it was observed that the speed of 5 km.h-1 is the one that best serves the purpose of pointing to the actual trampling rate. Then within road ecology, several problems affect the human being, but traffic accidents are considered a neglected public health problem, especially in developing countries. There is a need to understand the factors contributing to the aggravation of traffic accidents, and as a contribution to this understanding, this study investigated automobile accidents with runway exit with or without collision in the vegetation of the domain strip. It was found that tree collision increases the probability of mortality (3.16 times) and severity of injury in accidents when vehicles left the roadway.