Depending on the purpose of the classification, various factors and criteria are considered (e.g.
example the ecosystem functions, the end-use of the product, type of users, economic value, property
regimes, management characteristics, etc.). However, none of the classification schemes are
universal, and all of them have advantages or disadvantages, depending on the context of their
application. Bearing in mind the FORVALUE objectives and its main accent on the non-market forest
goods and services, four classification approaches, were considered and are describe in more detail.