Requirements for research, practices and policies affecting soil management in relation to global food security are … reviewed. Managing soil organic carbon (C) is central because soil organic matter influences numerous soil properties relevant … on key soil physical properties. Practices to encourage maintenance of soil C are important for ensuring sustainability …

payments for conservation of endangered species in real landscapes. The approach is used to develop a cost …-effective compensation payment scheme for conservation of an endangered butterfly species (Maculinea teleius) protected by the EU Habitats … Directive in the region of Landau, Germany. The economic model determines the costs of relevant conservation measures mowing …