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Broad Scale Regeneration of Grasslands and Landscape Function Using Grazing
Graeme Hand
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Graeme Hand 0418532130 [email protected]
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Graeme Hand 0418532130 [email protected]
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Graeme Hand 0418532130 [email protected]
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Number of EPBC Act listed taxa by bioregion as at
December 2009
http://www.abs.gov.au/AUSSTATS/[email protected]/Lookup/1301.0Feature+Article12009%E2%80%9310
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Source: GVFP ABARE ; Agricultural commodity statistics 2011
Farm Debt, RBA , Rural debt by lender Table D9 2/09/2012
Rural Australia: Crisis 2012 Ben Rees, B. Econ.; M. Litt. (econ.)
“The advice to “get big or get out” cannot solve this problem as this idea is theoretically flawed as in reality rural
industries operate under decreasing economies of scale”.
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Management as decision making:
• Decision Levels:
• Simple (eg how to sow a crop)
• Complicated (eg how to develop a crop rotation)
• Complex (eg profitability, lifestyle and land improvement)
• The processes we use for each are different
Nigel McGuckian RMCG Graeme Hand 0418532130 [email protected]
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David Tongway http://www.csiro.au/services/EcosystemFunctionAnalysis.html#1
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Stability = 43.3 Infiltration = 24.0 Nutrient cycling = 11.5
Stability = 69.1 Infiltration = 39.8 Nutrient cycling = 31.7
LFA produces numbers that reflect soil health.
Graeme Hand 0418532130 [email protected]
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If you increase landscape function
& perennial diversity it is
IMPOSSIBLE not
to increase:
• Biodiversity
• Soil health
• Soil carbon
• Lower cost
Graeme Hand 0418532130 [email protected]
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Sydney University Communities in Landscapes project Benchmark Study of Innovators
Final Report November 2011 By Peter Ampt & Sarah Doornbos
Graeme Hand 0418532130 [email protected]
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Sydney University Communities in Landscapes project Benchmark Study of Innovators
Final Report November 2011 By Peter Ampt & Sarah Doornbos
0
200
400
600
800
1000
1200
1400Basal Cover (m2/ha)
Innovator
Comparison
Average 600% increase
Graeme Hand 0418532130 [email protected]
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Sydney University Communities in Landscapes project Benchmark Study of Innovators
Final Report November 2011 By Peter Ampt & Sarah Doornbos
4.9
5
5.1
5.2
5.3
5.4
5.5
5.6
5.7
0-2cm 2-5cm 5-10cm
Soil pH
Innovator
Comparison
0
2
4
6
8
10
12
14
16
0-2cm 2-5cm 5-10cm
Extractable Bray Phosporous
Innovator
Comparison
0
1
2
3
4
5
6
0-2cm 2-5cm 5-10cm
Total Carbon
Innovator
Comparison
0
0.1
0.2
0.3
0.4
0.5
0-2cm 2-5cm 5-10cm
Total Nitrogen %N
Innovator
Comparison
Graeme Hand 0418532130 [email protected]
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Analysing Projects
Two Simple filters:
• Does the project reduce atmospheric carbon – net sequestration
• Does the project increase landscape function
– Larger and more dense perennial grasses
– Decomposing litter between perennial grasses
Graeme Hand 0418532130 [email protected]
MOD14A1_M_FIRE
Graeme Hand.mov
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0%
10%
20%
30%
40%
50%
60%
70%
80%
Pass Possible Fail
ANALYSIS OF FUNDED PROJECTS
Graeme Hand 0418532130 [email protected]
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Graeme Hand 0418532130 [email protected]
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SW Vic Regeneration SW Vic Burnt
Stipa Member
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Future Resource Base - Land
• Dense perennial grassland with high landscape function and biodiversity
• Deep, (>20mm) stable litter layer with visible fungal attack (LFA litter class 6-7lm)
• Increasing mature perennial grass plants (large bases)
• More than 30 perennial grass species with healthy age structure
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Graeme Hand 0418532130 [email protected]
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Graeme Hand 0418532130 [email protected]
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Graeme Hand 0418532130 [email protected]
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Graeme Hand 0418532130 [email protected]
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Graeme Hand 0418532130 [email protected]
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Graeme Hand 0418532130 [email protected]
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Graeme Hand 0418532130 [email protected]
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Graeme Hand 0418532130 [email protected]
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Weed Control
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Graeme Hand 0418532130 [email protected]
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Cognitive Threshold
• Once we reach a cognitive threshold, we begin unilaterally rejecting data, ideas, and solutions in a misguided attempt to make complexity manageable.
• Costa, Rebecca D (2012-02-29). The Watchman's Rattle: Thinking our Way out of Extinction (p. 83). Ebury Publishing. Kindle Edition.
Graeme Hand 0418532130 [email protected]
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Meat and Livestock Australia - Understanding Pasture Re-sowing Decisions for Meat Producers
Final Draft report – Phase 2 March 2012
• Resowing isn’t always profitable
• Pasture resowing isn’t “best practice”
• Resowing locks in high inputs
Graeme Hand 0418532130 [email protected]
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Litter is pushed onto soil between plants
Containing fresh grown litter
Containing fresh grown litter
Monitor plant recovery xxxxxxxxxxxxxxxxxxx Graeme Hand 0418532130 [email protected]
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