The local climate change was registered over time (1992-2018) on different land use ecosystems, in Brazilian Semiarid area. The aimed of this work was to analyze aridity index in five ecosystems (Wild Caatinga, Caatinga on management, Cactaceae field, Eucalyptus reforestation, and Fabaceae crop), and to compare this index with environment variables. Meteorological towers and measures with porometer and psychrometers were carried out to collect the data. The main result was that the studied areas are hotter and drier. The Fabaceae crop and Eucalyptus reforestation studied ecosystems already are on Arid classification according with registered aridity index. Wild Caatinga and Cactaceae field ecosystems are on Semiarid classification, and over time Caatinga on management ecosystem pass from Semiarid to Arid classification. The five ecosystems together are classified on Arid climate. The VPD and Ψsoil were the variables more directly proportional with Aridity index to analyzed ecosystems.
A Área de Proteção Ambiental de Santa Cruz foi criada em 2008, com a finalidade de promover a dinamização e diversificação das atividades e oportunidades produtivas do litoral norte, garantindo que o desenvolvimento socioeconômico se faça com a preservação de seu patrimônio natural, histórico e cultural. A partir disso, os objetivos deste trabalho foram: (i) avaliar o conhecimento dos alunos da Educação Básica sobre a APA de Santa Cruz, (ii) avaliar a lacuna nos Livros Didáticos sobre a temática das Unidades de Conservação, (iii) a partir das demandas, construir um aplicativo informativo e formativo sobre APA de Santa Cruz, e (iv) validar e avaliar o aplicativo como recurso educacional a partir do feedback dos professores da Educação Básica. O aplicativo desenvolvido atingiu o objetivo de ser um ciberespaço que além de informar e formar, conectará os moradores da APA através de diálogos e troca de saberes.
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