some schemes involved landrelated transactions the commune of saintivy france bought former farming land and converted it to woodland to protect the aquifer partly because landowners in france cannot impose crop choices on tenants barraque et al in other cases the schemes involved designing performance contracts in santa cruz county california the resource conservation district and the driscoll s strawberry company piloted a performancebased conservation initiative to monitor and improve groundwater quality and better manage quantity the plan includes targets new monitoring mechanisms and incentive payments for conservation to participating farmers levy and christiansmith