In Bolivia (Plurinational State of), Burkina Faso, Guatemala and Italy, high-value niche products (hazelnuts, specialized coffee, Brazil nuts, shea nuts, and many more) have also helped boost local incomes. Certification and labelling can further increase their value. In Burkina Faso, careful forest seed selection and breeding as well as support for village nurseries have helped ensure that planted trees are adapted to local ecosystems, and that survival rates are high.