Valuing the Arc is a five-year research and policy programme which began in January 2007 and will extend until December 2011.

Our goal is to improve knowledge of the ecosystem services provided by the Eastern Arc Mountains of Tanzania, of their contribution to human welfare, and to find solutions to managing these services in a sustainable way. In doing so, this research aims to provide critical information to policy-makers in Tanzania and contribute to the wider field of ecosystem services research.

The programme of work, as a whole, is focused on quantifying, mapping and valuing the key ecosystem services that flow from the Eastern Arc Mountains. This comprises a number of modules: