Much of what we thought was true about Amazon rainforests has turned out to be not quite so. As perceptions sharpen, the value of the Amazon ecosystem is becoming more fully appreciated, as are the consequences of converting this forest to other uses. Even though the region’s forest can spring back after many assaults, continued deforestation, fire, and forest fragmentation might eventually lead to the formation of a stable, fire-prone scrub vegetation where rainforests now occur. To move toward lasting solutions to the knotty conservation and development problems that now face the Amazon region will require vision, a strong government presence, the continued growth of civic responsibility, agile NGOs, and vocal scientists.
Influências de Atta spp. (Hymenoptera: Formicidae) na recuperação da vegetação pós-fogo em floresta de transição amazônica
Este estudo investigou o papel das saúvas na recuperação da vegetação pós-fogo. Foi hipotetizado que a perturbação do fogo aumenta a abundância de ninhos de saúva (1) e as atividades de remoção de sementes (2) e desfolha (3), especialmente no ambiente de borda. Os...