Dealing with salinity in Wheatbelt Valleys - Department of Water

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with Salinity in Wheatbelt Valleys Conference Dealing Processes
with Salinity in Wheatbelt Valleys: Dealing Prospects and Practical Options Processes, Merredin, 30 July – 1 August 2001 BACKGOUND AND PURPOSE CONFERENCE OVERVIEW The valley floors were originally the most productive areas of the Western Australian Wheatbelt. Farming communities were established, towns grew, and roads, and railways were first constructed there. The valley floors are now seriously affected and futher threatened by salinity. The impacts affect all who live and work there. The three-day conference was designed to consider the causes and extent of salinity in the Wheatbelt Valleys, the extet to which a range of values will be affected, and to develop a Shared Vision for managing the problem and deciding what we need to do to achive a realistic yet livable outcome. PROGRAM The event was in three parts: Field Tour to provide a visual landscape overview and to discuss management options on-site with locally informed people. Theme tours related to Aquaculture (Buegge’s Farm), Catchment Water Management (Belka Valley) and Lakes Management (Lake Baarndee) . Conference Papers were presented to establish the current situation with salinity in Wheatbelt Valley’s by leading scientists and managers in natural resource management. Case Sudies were also presented. The Program and presented papers are available on the conference website (www.avonicm.org.au/avonicm/wbeltvalleys). Workshop to develop a Shared Vision and identify Next Steps towards achieving the Vision. The workshop was focussed on 5 Key Conference Questions through a range of management Themes. ATTENDANCE The conference was opened by the Hon. Judy Edwards, Minister for Environment and Heritage, and Water Resources. Total attendance was 223 people from 26 different rural, government or community interest groups. Farmers who attended were over 30% of the total number. Representatives from 6 state government agencies and 3 national organisations also attended. Other representation was from Aboriginal interests, local government, consultants and contractors, universities, industry and research organisations. The workshop was attended by 155 of the conference delegates. Presented by the State Salinity Council and Avon Working Group Supported by CALM, CSIRO, the Department of Agriculture, GRDC, the National Dryland Salinity Program and the Water and Rivers Commission For information contact Monica Durcan, ph/fax (08) 9291 8249, email mdurcan@iinet.net.au
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Foreword Dealing with Salinity in W
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1Day one: Monday 30th July. Field t
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Papers Dealing with Salinity in Whe
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Ali and Coles biggest challenges fa
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Ali and Coles erosion, maintenance
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Ali and Coles expected under these
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Ali and Coles Coles, N.A. & Ali, M.
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Commander, Schoknecht, Verboom and
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APPRECIATING AND CREATING OUR HISTO
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services. The Government responded
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WHEATBELT VALLEYS IN DIFFICULTIES T
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argue that they were really abnorma
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1990s, the wheatbelt valleys in par
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REFERENCES Agstats (1997). Agricult
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George and Coleman two to four fold
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George and Coleman surface, the vas
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George and Coleman for example in t
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George and Coleman current trends c
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George and Coleman While not as div
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George and Coleman SPECIES Table 5:
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George and Coleman advantages of so
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George and Coleman this volume). In
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George and Coleman Venture Economy
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George and Coleman Lawrence, C. (19
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Hatton and Ruprecht WATCHING THE RI
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Since the mid 1970s annual rainfall
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Effect of clearing on runoff The ot
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Salinity Monthly streamflow (ML) 10
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The ratio of the salt outputs to in
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- 11 - Hatton and Ruprecht Table 4:
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THE FUTURE In looking at the future
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McFarlane, D.J., George, R.J. & Far
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Keighery, Halse and McKenzie Terres
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Keighery, Halse and McKenzie Wetlan
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Keighery, Halse and McKenzie specie
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Keighery, Halse and McKenzie enviro
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Lloyd number of legal cases pending
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Lloyd 0 -500 -1000 -1500 -2000 -250
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Lloyd Table 3. Sheep grazing days i
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Lloyd Hectares project to provide w
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INTRODUCTION The Lake Chinocup Catc
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agriculture) in various stages, the
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- 3,477 ha of remnant vegetation or
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Scientists talk of up to 30% of the
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Page 117 and 118: eliminates drainage through the nex
Page 119 and 120: REFERENCES Dawes, W.R., Stauffacher
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Page 123 and 124: Pannell • the area of land protec
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Page 127 and 128: Pannell been conducted for the Cent
Page 129 and 130: Pannell investments in long-term la
Page 131 and 132: Pannell Pannell, D.J. (2001). Dryla
Page 133 and 134: Porter, Bartle and Cooper Table 1:
Page 139 and 140: Porter, Bartle and Cooper operation
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Page 149 and 150: CASE STUDY - TOOLIBIN LAKE AND CATC
Page 151 and 152: • The distribution, storage and m
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Page 157 and 158: CONCLUSIONS Actions to protect and
Page 159 and 160: FIELD TOUR LOCATIONS FIELD TOUR NOT
Page 161 and 162: COLES FARM “Avon River Basin Over
Page 163: Conference Outcomes Dealing with Sa
Page 167 and 168: with Salinity in Wheatbelt Valleys
Page 197 and 198: Photo Gallery 2 Dealing with Salini
Page 199 and 200: APPENDIX 1 BACKGROUND HYDROLOGY AND
Page 201 and 202: WHEATBELT HYDROLOGY Flow in the Yil
Page 203 and 204: Flow (ML) STREAM SALINITY Salt Rive
Page 205 and 206: APPENDIX 2 WATER MANAGEMENT OPTIONS
Page 207 and 208: APPENDIX 3 MANAGING WATER AND SALIN
Page 209 and 210: SUMMARY- TIMELINE OF RECENT SIGNIFI
Page 211 and 212: RECENT HISTORY OF WATER AND SALINIT
Page 213 and 214: Figure 1. Hydrological cross-sectio
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Depth (m) 316 315 314 313 312 311 M
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FURTHER INVESTIGATIONS AND MANAGEME
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Dealing with salinity in Wheatbelt Valleys - Department of Water

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