Framework / Assessment Montreal Process on Criteria and Indicators for the Conservation and Sustainable Management of Temperate and Boreal Forests (2009) Summary This indicator provides information on the health of forest ecosystems through the number of native forest-associated species.Knowledge of the number of native forest-associated species highlights the importance of certain forest types in meeting conservation objectives and in understanding the relationships species have within ecosystems. The loss or addition of species in an ecosystem can provide valuable insights into the overall health and productivity of that system.