Dealing with salinity in Wheatbelt Valleys - Department of Water

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with Salinity in Wheatbelt Valleys Conference Dealing Prospects and Practical Options Processes, INTRODUCTION WORKSHOP SUMMARY Alex Campbell - I will cover 4 points, so that there is a shared understanding of the 3 days activities. - reflection on where we have come from - some key messages from the conference - shared understanding of outcomes - a “word picture” of that understanding. - But firstly let me give you confidence that the results will be taken notice of and acted upon. - The Salinity Council and Avon Working Group sponsored the conference because we wanted direction. - The 4 members of the Minister’s Salinity Taskforce for attended the full conference - Minister Edwards announced to the conference that she was setting up a group to advise on the $4m drainage evaluation initiative. It is understood that 2 potential members have attended the full conference. - Regional NRM Groups will be part of the NAP for Salinity and Water Quality and they will be influenced by this conference in setting targets and priorities. REFLECTION Get behind these groups and make them work. Contact members that you can relate to and use them. Full contact lists will be in the proceedings. - Prior to 1996 we tended to have silos of good work. - agencies - farmers - researchers etc. - 1996 Salinity Action Plan – a good start at breaking down the silos. - 1997 Salinity Council – a good start at getting everyone in the same tent (agencies, farmers, enviromentalists, LG etc.etc) - - These early days were typified by - polarised view of the world - little tolerance of other views - suspicion - 2000 Salinity Strategy – another step down the NRM road, after wide consultation. - I remind you that the Salinity Council commissioned flow tube modelling that spelt out large-scale perennial vegetation and engineering would be needed to effectively manage salinity. - Only 5 years ago you couldn’t have imagined a conference like this that would have had truly shared views and respect for each other KEY MESSAGES FROM THE FIELD TRIP - Mike McFarlane “Understand our land” “I want seven diversified income streams” - Jon Flokhart, Kevin Jones and Kevin Lyons presented a measured and clear understanding of deep drainage – the Belka example.
with Salinity in Wheatbelt Valleys Conference Dealing Prospects and Practical Options Processes, KEY MESSAGES FROM THE CONFERENCE (No recognition to speakers) - unique landscapes – our rivers/valleys are different - Salinity is not the only NRM issue - Value our water – both fresh and saline. “We live in the driest continent, yet the irony is that too much water is the issue” - The scale of issues and actions needed mean that we must have profitable options. - “People, people, people, people!” The social issues are really important. - Don’t count on governments to help you – particularly to subsidise non profitable options. - Our environment and biodiversity are unique and precious – value it and look after it. - Don’t generalise (our valleys are different). - Research is needed – Development at the farm scale is critical – Extension and knowledge transfer also critical. - Annuals have driven agricultural development, but are now under financial pressure and they leak! - Neither side of the drainage debate has proved their point. - How can we pigs involve the chooks? - Enlightened self interest - We are only limited by our imagination. POWERFUL NEW DIRECTION Those that made presentations on: - deep drainage (and other engineering options) - salt land pastures - lucerne - mallees Were all understood and respected for describing an option that works and must be considered in an overall approach to NRM management. SHARED UNDERDSTANDING FOR THE FUTURE 1. People – Communities. They will be better informed, will be making more of their own decisions. New industries will halt the rural population decline. Different views and values will be respected. 2. Profitable Agriculture (at both recharge and discharge). Existing annual production systems will be augmented by various forms of perennials in both phases of farming and permanent woody trees and shrubs. It will include on farm or regional value adding. Income options will be more diverse and many will be less prone to seasonal risk such as drought and frost. 3. Water is our shared most valuable asset (both fresh and salinised). By surface water management, more use will be made of annual rainfall, saline discharge water will be used beneficially in either industrial or environmental outcomes. 4. Salinised land is a valuable resource for both productive, environmental and social outcomes. 5. The environment and biodiversity will be respected, understood, valued and appropriately managed. 6. All ‘tools’ (options) are viable and will need to be used in the right place and in the right mix. No one ‘tool’ is likely to work in isolation. Some ‘tools’ will need regional or state planning and support and this should be with minimal bureaucracy. 7. Shared responsibility at all scales, from farm, to catchment, to Region to State. Leadership and action will have to be locally driven with minimal reliance on State and Federal funds. 8. Continued need for R&D. Research must continue, particular attention to interactive paddock scale development and extension will be needed with extension through all private and agency levels. 9 New Industries, both agriculture and non agricultural based (including eco-tourism) will be developed, as regionally dispersed as scale/economics will permit. 10 Appropriate water management at all scales – recharge banks, large on farm dams, discharge control drains, on farm use of as much water as possible.
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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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6320000 6300000 6280000 6260000 624
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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 131 and 132: Pannell Pannell, D.J. (2001). Dryla
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Page 149 and 150: CASE STUDY - TOOLIBIN LAKE AND CATC
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Page 157 and 158: CONCLUSIONS Actions to protect and
Page 159 and 160: FIELD TOUR LOCATIONS FIELD TOUR NOT
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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
Page 215: Depth (m) 316 315 314 313 312 311 M
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FURTHER INVESTIGATIONS AND MANAGEME
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