Valuing the Arc, initially a five-year research and policy programme, began in January 2007 and was extended until June 2012.The goal was to improve knowledge of the ecosystem services provided by the Eastern Arc Mountains of Tanzania, and of their contribution to human welfare, and to find solutions to managing these services in a sustainable way. In doing so, the research aimed to provide critical information to policy-makers in Tanzania and contribute to the wider field of ecosystem services research.
The programme addressed these challenges through a two-pronged approach:
- a broad-ranging review and revision of the underpinning theory, which generated a stepwise framework for ecosystem service valuation.
- an interdisciplinary field test of the usefulness of the framework in an area of great importance for ecosystem services – the Eastern Arc Mountains of Tanzania - where we measured, modelled, valued and mapped the role of ecosystems in: