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, KEY WORKSHOP OUTCOME STATEMENTS A. MANAGING CATCHMENT AND VALLEY WATER Workshop Outcome Statements: Some water use options: • Change is inevitable • ‘Time is ticking away – some of us are close to midnight!!” • Need a shared vision at the catchment scale to engage all landholders and engender social cohesion • Urgent actions required now to alleviate wider future problems • Managing water up-slope is relatively easy – the difficulty is in the valleys • Water is valuable – need to find other uses for excess water (maximise water resource use) and attract people back to rural areas in doing so • Need to manage living systems that are bio-diverse • It is a people issue more than it is a water management issue • Moving water away from salinity problem areas is required but safe disposal is important • Need to develop and apply economic de-salination • Trading water between farms should be an option. A framework is required to achieve equity in doing this. “Without extraction from the landscape” • Salt-tolerant crops (cereals, horticultural products, salt tolerant native species, breeding or genetically modified options) • Salt-tolerant forage crops • Agro-forestry (salt-tolerant species, pharmaceutical products) • Nature/biodiversity (corridors, eco-tourism, brand-marketing) “With extraction from the landscape” (by pumping or drainage) • Recreation industries (tourism, water-based adventure parks, fishing, cable skiing) • Aquaculture (fin fish, crustaceans, seaweed, algae, B-carotine) • De-salinised water • Salt products from extraction ponds • Energy potential from stored saline water. Vision Statement (i) A revitalised rural community, working together, that has achieved fundamental, positive change to create a healthy, well-drained landscape that is maximising biodiversity and landscape resilience with sustainable economic return from existing and new industries. (ii) A healthy well-drained landscape is one which is free from waterlogging and shallow water tables where water moves in defined pathways B. RETAINING AND MANAGING BIODIVERSITY Workshop Outcome Statements: • Biodiversity of wheatbelt landscapes is high and is internationally recognised • Salinity significantly threatens wheatbelt biodiversity values
with Salinity in Wheatbelt Valleys Conference Dealing Prospects and Practical Options Processes, • Priority needs to be given to biodiversity values threatened in wheatbelt valleys, but eventually all valuable remnants to be protected. Choices need to be made about highly degraded natural areas. • Tthe bush needs to be valued by all of the community, including local government and urban community • Conservation of biodiversity is a legitimate land use • Natural areas can’t sustain any more compromised management • The relationship between people and the bush needs to be better recognised • Need to increase understanding of biodiversity and importance to the landscape • The potential for profitable enterprises from the bush needs to be recognised • A wide range of options to manage biodiversity be considered, including corporate, private and public ownership or and an environmental levy on commodities derived from the land. Credit to be awarded for retaining and managing biodiversity, including farm produce marketing advantage • Conservation planning is a core element modern whole farm/catchment planning. Vision Statement (i) The rural and urban community supports and contributes towards innovative and sustainable rural enterprises that encompass and protect biodiversity. (ii) A hydrologically resilient landscape where an affluent society operates sustainable enterprises within a network of contiguous, healthy and biologically diverse ecological communities. C. ECONOMIC OPPORTUNITIES AND INDUSTRIES Workshop Outcome Statements: • Maximise use of physical resources • Farming systems that encompass a diversity of income streams • High water use farming systems Vision Statement An evolving system generated from sustainable land and water use composed of a diversity of profitable options in a vibrant and dynamic community. D. PROTECTING PUBLIC ASSETS Vision Statement An increasing rural population serviced by adequate infrastructure and cultural and environmental assets. These assets will, along with new industries, draw people inland again. To service the community structures key assets and their management will be rationalised for maximum public benefit. E. OUR CAPACITY TO CHANGE Workshop Outcome Statements: • Effective leadership at all levels is important – need for a Captain!! • Find people willing to lead and develop their capacity • Need to have the desired outcome in mind (a Shared Vision)
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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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Although the waterlogged area under
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eliminates drainage through the nex
Page 119 and 120: REFERENCES Dawes, W.R., Stauffacher
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Page 129 and 130: Pannell investments in long-term la
Page 131 and 132: Pannell Pannell, D.J. (2001). Dryla
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Page 139 and 140: Porter, Bartle and Cooper operation
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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 163 and 164: Conference Outcomes Dealing with Sa
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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
Page 218 and 219: FURTHER INVESTIGATIONS AND MANAGEME
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FURTHER INVESTIGATIONS AND MANAGEME
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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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