| public value at risk from phytophthora ramorum and phytophthora kernoviae spread in england and wales. | heritage gardens, heathland and woodland are increasingly under threat from the non-native tree and plant diseases phytophthora ramorum and phytophthora kernoviae. however, there exist only limited literature that estimates the public non-market value that may be lost from a continued spread of phytophthora ramorum and phytophthora kernoviae into these habitats. this paper therefore uses a contingent valuation survey to assess the non-extractive public use and non-use values at risk from an unco ... | 2017 | 28092749 |