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Livestock and water
Mats Lannerstad
ILRI@40 Livestock and Environment workshopAddis Ababa, 7 November 2014
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(Molden 2007)
Water scarcity limits food production
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Litre per kilo meat “fears”
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Lord Stern:
’Give up meat to save the planet’
(The Times 2009)
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Blue Water
Irrigationfrom
Rivers & Aquifers
Human distribution
Water for feed growthEvapotranspiration 98% water livestock production
Green Water
Soil moisturefrom
Rainfall
Fixed to land
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Water and livestock is complex
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Water for livestockeven more complex
Water productivity of livestock productsa. Water productivity of feedsb. Water productivity of animals – inherent + managmentc. Water productivity of animals – feed mix
Local context determin water availabilityd. Climatic pre-conditionse. Local water cycle
Local imporantance of water useda. Human competing demandsb. Environmental impacts
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Research solutions Reasearch how to capture system complexity:
Benefits of water uses- Untapped water productivity potential in livestock production- Livestock products vs. Food crops- Nutritional value, not only calories- Non-food benefits - developing vs. developed
Location importance of three water resources- Competing uses- Environmental impacts- Multi-currency perspective, not only water, not only provisioning
Assess local and global synergies and trade-offs to guide investments
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Mats LannerstadLivestock Systems and Environment
Thank You!