Este trabalho discute a contribuição das aulas de Ciências desenvolvidas em fragmentos dos ecossistemas terrestres naturais brasileiros na relação entre os aspectos emocionais e seu papel na motivação dos alunos em um contexto educativo. Analisa também como a abordagem menos fragmentada e menos abstrata de determinados conhecimentos referentes à ecologia pode contribuir para o processo de aprendizagem.
O trabalho tem por objetivo delimitar um quadro teórico cujas bases filosóficas permitam considerar a dimensão estética no ensino de ecologia, sobre os ambientes naturais, sem incorrer em posturas ingênuas. Os dados utilizados para ilustrar e sustentar algumas argumentações referem-se a entrevistas realizadas, em 2004, com professores de Ecologia e alunos do último ano dos cursos de graduação em Licenciatura em Ciências Biológicas da Unesp, campi de Bauru e Rio Claro.
SUMMARYThe results of ecological restoration techniques can be monitored through biological indicators of soil quality such as the leaf litter arthropod fauna. This study aimed to determine the immediate effect of brushwood transposition transferred from an area of native vegetation to a disturbed area, on the leaf litter arthropod fauna in a degraded cerrado area. The arthropod fauna of four areas was compared: a degraded area with signal grass, two experimental brushwood transposition areas, with and without castor oil plants, and an area of native cerrado. In total, 7,660 individuals belonging to 23 taxa were sampled. Acari and Collembola were the most abundant taxa in all studied areas, followed by Coleoptera, Diptera, Hemiptera, Hymenoptera, and Symphyla. The brushwood transposition area without castor oil plants had the lowest abundance and dominance and the highest diversity of all areas, providing evidence of changes in the soil community. Conversely, the results showed that the presence of castor oil plants hampered early succession, negatively affecting ecological restoration in this area.Index terms: ecological restoration, signal grass, mesofauna, Acari, Collembola.(1) Extracted from the first author's Scientific Initiation submitted to the Department of Biological Sciences, UNESP -Univ Estadual Paulista, Campus
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