Community values for green public open space in Perth, Western Australia – a choice modelling analysis

With a drying climate, Perth is facing difficult decisions about how to manage green public open space (POS) in the metropolitan area. At present, local councils irrigate POS with groundwater. But this resource is becoming depleted owing to reduced recharge, prompting the State government to consider reducing licensed allocations. In this study we use a choice modelling survey of 525 Perth households to assess whether community is prepared to pay for more expensive sources of irrigation water to keep POS green over summer or, alternatively, are willing to make compromises – e.g. less green space, replacing grass with native groundcover, or improving public park facilities. The aim of the study is to understand how local councils and government should best respond to reduced groundwater availability.


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The economics of options for managing groundwater in Perth’s Gnangara area

The Gnangara Mound just north of Perth is an important source of groundwater for public water supply, agriculture, and other users. Groundwater levels have been falling over the last 20 years or due to declining rainfall, increased groundwater abstraction in line with population growth, and the impact of pine plantations in the area that use considerable volumes of water. Synergies was engaged by the Department of Water and Environmental Regulation (DWER) to quantify the economic ...


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