Agroforestry as a model of community-based forest management generally does not develop and is mostly in the form of traditional management. In West Sumatra, sustainability relates to the status of land tenure as communal property (communal land).

It is widely believed that land tenure insecurity under a customary tenure system leads to a socially inefficient resource allocation.

Planting trees on public lands are often considered unsustainable due to the rights of individuals arc weak. Therefore it is important to know the individuals tree rights to promote tree planting.

"...At the moment, a lack of integration and coordination characterizes the relationship between the agriculture and health sectors. Traditionally, agricultural and health policies address specific goals within those sectors.

A farmer-managed, agroenvironmental transformation has occurred over the past three decades in the West African Sahel, enabling both land rehabilitation and agricultural intensification to support a dense and growing population.