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Breeding success of 5 Cory’s shearwater Calonectris diomedea sub-colonies of Lavezzu Island (Lavezzi Archipelago, Corsica) was checked annually for 25 consecutive years from 1979 to 2004. Between 1989 and 1994, 4 ship rat Rattus rattus controls were performed in several subcolonies. In November 2000, rats were eradicated from Lavezzu Island and its 16 peripheral islets (85 ha) using traps then toxic baits. We compare cost (number of person-hours required in the field) and benefit (Cory’s shearwater breeding success) of control and eradication. The average breeding success doubled when rats were controlled or eradicated (0.82) compared to the situation without rat management (0.45). Moreover, the average breeding success after eradication (0.86) was significantly (11%) higher than after rat controls (0.75). Furthermore, the great variation in breeding success recorded among sub-colonies both with and without rat control declined dramatically after eradication, suggesting that rats had a major impact on breeding success. The estimated effort needed to perform eradication and checking of the permanent bait-station system during the year following eradication was 1360 person-hours. In contrast, rat control was estimated to require 240 or 1440 person-hours per year when implemented by trained and untrained staff, respectively. Within 6 yr, eradication cost is lower than control cost performed by untrained staff and confers several ecological advantages on more ecosystem components than Cory’s shearwater alone. Improved eradication tools such as hand or aerial broadcasting of toxic baits instead of the fairly labour-intensive eradication strategy we used would dramatically increase the economic advantage of eradication vs. control. Therefore, when feasible, we recommend eradication rather than control of non-native rat populations. Nevertheless, control remains a useful management tool when eradication is not practicable.

While development of natural non living resources such as minerals and water can better the lives of Pacific islanders, it needs to be managed to ensure a safe and healthy environment. And as any resource manager today knows, to manage resources we need to manage the people who use them. A number of projects in the Pacific have recently turned to economic tools to help manage the way people use non living natural resources. In this paper selected case studies will be used to: ? demonstrate the different ways that economic tools are helping to improve the governance of a variety of non living natural resources in the Pacific: and ? consider the prospects for using these tools more generally in the Pacific in the future. To highlight the ways in which economic tools can improve the governance of non living natural resources, a simple project cycle is used. A number of case studies including the following are used to show how economic tools are improving management of non living natural resources in different sectors including water, disasters, oceans., minerals and energy. Details of case sftidies are provided in the paper accompanying the presentation. Following discussion of the case studies, the implications for using economic analysis to support the management of 11011 living resources in the Pacific is discussed.

The Fiji Department of Energy through its rural electrification programme developed two community-based biofuel projects in Vanua Balavu (villages of Lomaloma, Naqara and Sawana) and Welagi in Taveuni with funding assistance provided by the French Government through the Secretariat of the Pacific Community. The primary objective of the projects was to use coconut oil to generate electricity for the communities. The Vanua Balavu Biofuel Project was installed in April 2000 and the Welagi Biofuel Project was installed in July 2001.