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  • Keystone species

    The science of Conservation Biology tries to find reasons why biodiversity should be preserved. Biodiversity is the variety of life at three levels: ecosystems, species and genes. Here we focus …

  • Traditional Ecological Knowledge

    As defined by the Convention on Biological Diversity of 1992, Article 8 (j), Traditional Ecological Knowledge refers to the knowledge, innovations and practices of indigenous and local communities around the …

  • Lawrence Summers’ Principle

    Lawrence Summers is a US economist, former President of Harvard University, and former Chief Economist of the World Bank. The ‘Lawrence Summers’ Principle’ – a term coined by Martinez-Alier (1994) …

  • DPSIR

    DPSIR is a framework for describing the interactions between society and the environment developed by the European Environmental Agency (EEA). It is based on the PSR (Pressures/State/Response) model proposed by …