School for Environmental Research, Charles Darwin University, Ellengowan Drive, Darwin, NT 0909, Australia.
J Environ Manage. 2010 Dec;91(12):2519-28. doi: 10.1016/j.jenvman.2010.07.012. Epub 2010 Aug 17.
Australia's system of tropical rivers constitutes one of the largest and least changed drainage networks in the world. However increasing demand for water in parts of Australia, along with ongoing drought, is driving pressure to develop these rivers. This paper reports the results of a choice experiment (CE) to assess the benefits of different management strategies for three tropical rivers in northern Australia: the Daly, Mitchell and Fitzroy Rivers. The CE was carried out using a survey mailed to Australian urban populations. The results showed that 90% of Australians were willing to pay a once-off payment for the management of tropical rivers. Respondents who had visited or lived near the rivers were willing to pay more for cultural, recreational and environmental services than those who had not. Respondents classed as 'developers', who made up only 4% of the 684 respondents, considered a substantial income from irrigated agriculture as important. Unlike 'environmentalists' and 'neutrals', 'developers' were unwilling to pay for high quality recreational fishing or for having floodplains in good environmental condition. All groups, however, were willing to pay for high cultural values.
澳大利亚的热带河流系统是世界上最大、受干扰最小的水系之一。然而,澳大利亚部分地区对水资源的需求不断增加,加上持续干旱,促使人们对这些河流进行开发。本文报告了一项选择实验(CE)的结果,该实验评估了三种澳大利亚北部热带河流(达利河、米切尔河和菲茨罗伊河)的不同管理策略的效益。CE 通过向澳大利亚城市人口邮寄调查进行。结果表明,90%的澳大利亚人愿意为热带河流的管理一次性支付费用。与那些没有访问或居住在河流附近的人相比,那些参观过或居住在河流附近的人更愿意为文化、娱乐和环境服务支付更多费用。在 684 名受访者中,仅占 4%的“开发者”认为,从灌溉农业中获得可观的收入很重要。与“环保主义者”和“中立派”不同,“开发者”不愿意为高质量的娱乐性钓鱼或保持良好环境状况的洪泛区支付费用。然而,所有群体都愿意为高文化价值支付费用。