i Background paper on revised targets for Land Salinity in the South West Regional Strategy for Natural Resource Management Heather Percy and Paul Raper, Department of Agriculture and Food, Bunbury DISCLAIMER: While all reasonable care has been taken in the preparation of the material in this document, the Western Australian Government and it’s officers accept no responsibility for any errors or omissions it may contain, whether caused by negligence, or otherwise or for any loss, however caused, sustained by any person who relies on it.  State of Western Australia, 2007