the economics of ecosystems and...
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The Economics of Ecosystems and Biodiversity TEEB for Agriculture & Food
Global Symposium, February 2019
Traditional livestock systems in Tanzania 27 February 2019, Nairobi
Pietro Galgani - True Price/Impact InstituteTraditional livestock systems in Tanzania - An Application of the TEEB AgFood Framework (2019). W. Baltussen, S. van Berkum,
Y. Dijkxhoorn, R. Helmes, S. Ozkan-Gulzari, G.D. Massawe, P. Galgani, F. v.d. Elzen and T. Smith
Image credit: Anup Deodar
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Content
• Study setup
• Some findings
• Lessons learnt
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Study setup
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Objective
• Use the TEEB AgriFood Framework to assess traditional livestock systems in Tanzania
1. Systems as they are today
2. Technical improvements
3. Livestock policy
4
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Scope: focus on three systems as they are now and potential technical improvements
97% of national milk supply
70% of rural supply, 20% of urban supply
90% of country’s cattle herds
Smallholder dairy in the Southern Highlands
Backyard poultry in rural Tanzania
Pastoralist livestock systems Maasai steppe
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Methods
Area
Monetary assessment
Qualitative assessment
Economic
Value chain model
Qualitative review
Household economy
model
Environmental
Biophysical herd model
Ecosystem services model
(pastoralism)
Social and
Human
Literature review
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Economic modelling
Area
Monetary assessment
Qualitative assessment
Economic
Value chain model
Qualitative review
Household economy
model
Environmental
Biophysical herd model
Ecosystem services model
(pastoralism)
Social and
Human
Literature review
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Environmental modelling
Area
Monetary assessment
Qualitative assessment
Economic
Value chain model
Qualitative review
Household economy
model
Environmental
Biophysical herd model
Ecosystem services model
(pastoralism)
Social and
Human
Literature review
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Assessment of technical improvement based on literature, economic and biophysical herd models
Area
Monetary assessment
Qualitative assessment
Economic
Value chain model
Qualitative review
Household economy
model
Environmental
Biophysical herd model
Ecosystem services model
(pastoralism)
Social and
Human
Literature review
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Ecosystem services model brings natural capital valuation in value chain perspective
Area
Monetary assessment
Qualitative assessment
Economic
Value chain model
Qualitative review
Household economy
model
Environmental
GLEAM herd model
Ecosystem services model
(pastoralism)
Social and
Human
Literature review
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Pastoralism’s contribution to ES as a positive externality of food production
$7,73
$0,52 $0,35
$4,00
$2,03 $2,93
Carbon storage (high, medium, low) Land degradation prevention Contribution to tourism
Eco
syst
em s
ervi
ce ($
/kg
bee
f)
Positive externalities (ecosystem services) of pastoralism.
Meat price ($/kg beef)
Ecosystem services of pastoralism in the Maasai Steppe per kg of produced meat ($/kg beef)
Retail price ($/kg beef)
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Some findings
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Key problems in the systems analysed are in produced capital but all link to others
Low productivityLow access to inputs and insufficient income
Low animal healthLow yields and potential impacts on human health
Little infrastructureInsufficient extension service, underdeveloped milk value chain
Pastoralism and development trendsExpansion of sedentary farming, land tenure issues and low schooling rates
Relatively high impact on climate changeExternal cost of GHG up to 3 times retail price
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Benefits beyond food are identified across the four capitals
Household incomeIncome and savings value for poor households
Use of agricultural and food wasteManure as an important reason to keep livestock
Woman empowerment Backyard poultry is usually managed by women
Short value chains = low natural capital impacts Land use and biodiversity, water pollution
Ecosystem services of pastoralismCarbon storage, land degradation prevention and a contribution to tourism
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Lessons learnt
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Lessons learnt in using the framework
Benefits
• Clear view on technical improvements• Win-win for climate & income in cattle systems• Forces you to identify side-effects
• Trade-offs and potential pitfalls of livestock development policy become visible• Risk of losing local benefits• Overuse of inputs• Overgrazing• Incentives: Short- vs long-term, local vs global• Institutional barriers to pastoralism
development
Challenges
• Data• Too much & Too little• Too early?
• Synthesis• Mediate between
perspectives (agronomist, sociologist, environmentalist…)
• Framing the question• Messaging of results
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www.wur.nl www.trueprice.orgwww.impactinstitute.com
The Economics of Ecosystems and Biodiversity TEEB for Agriculture & Food
Global Symposium, February 2019
Thank you
Pietro Galgani - True Price/Impact InstituteTraditional livestock systems in Tanzania - An Application of the TEEB AgFood Framework (2019). W. Baltussen, S. van Berkum,
Y. Dijkxhoorn, R. Helmes, S. Ozkan-Gulzari, G.D. Massawe, P. Galgani, F. v.d. Elzen and T. Smith
Image credit: Anup Deodar
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Pastoralism in the Maasai Steppe contributes to maintenance of Natural Capital
$7,73
$0,52 $0,35
$4,00
$2,03 $2,93
Carbon storage (high, medium, low) Land degradation prevention Contribution to tourism
Eco
syst
em s
ervi
ce ($
/kg
bee
f)
Positive externalities (ecosystem services) of pastoralism.
Meat price ($/kg beef)
• Soil carbon stocks
• Grassland vs abandoned
farmland
• Period of 20 years
Positive externalities (ecosystem services) of pastoralism in the Maasai
Steppe compared to the price of meat ($/kg beef)
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Pastoralism in the Maasai Steppe contributes to maintenance of Natural Capital
$7,73
$0,52 $0,35
$4,00
$2,03 $2,93
Carbon storage (high, medium, low) Land degradation prevention Contribution to tourism
Eco
syst
em s
ervi
ce ($
/kg
bee
f)
Positive externalities (ecosystem services) of pastoralism.
Meat price ($/kg beef)
• Preserved Natural Capital
stock value, based on meat,
milk and crops yields.
• Compared to sedentary food
production
• Avoided depreciation of land
over 20 years
• ESS attribution based on
value of land vs human inputs
Positive externalities (ecosystem services) of pastoralism in the Maasai
Steppe compared to the price of meat ($/kg beef)
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Pastoralism in the Maasai Steppe contributes to maintenance of Natural Capital
$7,73
$0,52 $0,35
$4,00
$2,03 $2,93
Carbon storage (high, medium, low) Land degradation prevention Contribution to tourism
Eco
syst
em s
ervi
ce ($
/kg
bee
f)
Positive externalities (ecosystem services) of pastoralism.
Meat price ($/kg beef)
• A share of annual tourism
revenues of adjacent
National Parks
• Attribution based on
economic and human capital
inputs
Positive externalities (ecosystem services) of pastoralism in the Maasai
Steppe compared to the price of meat ($/kg beef)
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Pitfalls of livestock development policy highlighted by the use of the TEEB AgriFood framework
• Risk of losing local side-benefits with commercial scale only
• Income of the poor, women empowerment, waste , tourism
• Overuse of inputs
• Access needs good practices
• Link agri-subsidies to environmental requirements
• Overgrazing
• If it becomes profitable everybody starts doing it
• Sustainable intensification to protect water and ecosystem quality
• Incentives: Short- vs long-term, local vs global
• Yields vs Local benefits for poor households vs ecosystem services
• Local chains for agri-inputs
• Payments for Ecosystem Service
• Institutional barriers to pastoralism development• Link livestock policy with land policy
• Link livestock policy and education policy
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Technical improvement is often positive for both climate and household income, but with risks
Smallholder dairy Backyard poultryPastoralist livestock system
Considered improvements Switch to commercial system• Same herd of 5 cows • Yield up 10-fold• Increased feed • Increased water rations
Medicines• Artificial insemination
Minor changes to improve animal health• Small addition of
purchased feed • Improved slaughter
weight• Fences• Lower mortality
Minimum improvements for extensive cattle• Less feed, better quality• Dry season fodder• Improved animal health
through use of medicine• More animals
slaughtered with the same herd size
Climate change externalities per kg product
-87% -13% -33%
Household income per year +466% 0% +29%
Key risk
Trespassing ecosystem carrying capacity (overgrazing, water pollution)
No incentive for household
Low education of pastoralist herdersLand tenure
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Risks
• Low productivity• Low access to inputs
• Insufficient household income
• Low animal health• Low yields
• Potential impact on human health
• Low infrastructures• Extension service insufficient
• Milk value chain underdeveloped
• Pastoralism and development trends• Expansion of sedentary farming
• Land tenure issues
• Low schooling rates
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Economic modelling
Value chain model
Household economy
model
• Most common traditional chains of milk, beef and poultry meat
• Costs, revenues at farm
• Price mark-up at other steps
• In-kind benefits (milk, meat, eggs, skins, hides)
• Financial revenue (sales of milk, meat, eggs, crops)
• Costs (inputs and hired labour)
• Savings value of livestock
• Income per fulltime equivalent worked
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Environmental modelling
Biophysical herd model
Ecosystem services model
(pastoralism)
• GLEAM model developed by the FAO (Global Livestock Assessment Model)
• Biophysical modelling of herds
• Agro-ecological zones
• Lifecycle assessment perspective
• GHG emissions from animals and feed production
• Positive externalities of pastoralist landscape management per $ of food produced
• Conservation of soil carbon, soil fertility and wildlife corridors
• Reference scenario is 1 $ of food produced in the same region by sedentary farming
• Expands Natural Capital valuation of Maasai steppe in 2017 TEEB Animal Husbandry feeder study
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Policy focus areas for improvement of traditional livestock systems
• Make inputs and infrastructures available• Feed quality
• Artificial insemination
• Animal health
• Fodder storage for dry season
• Milk processing and distribution
• Cooperatives
• Strengthen knowledge services• Increase resources for extension services
• Create awareness of good practices related to input use
• Prevent environmental risk from intensification beyond carrying capacity of
ecosystems
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Short value chains
• Inputs are few and local
• Final markets are local
• Low natural capital impacts in chains
0
50
100
150
200
250
300
350
Pastoralist Market Trader Butcher Consumer
Profit, costs and consumer price for a reference pastoralist value chain (US$/head of cattle)
Income Costs Consumer price
0
1
2
3
4
5
6
Producer Middleman Market trader Consumer
Profit, costs and consumer price for a reference poultry value chain (US$/chicken)
Income Price markup Consumer price
-
0,10
0,20
0,30
0,40
0,50
0,60
Producer Trader Consumer
Profit, costs and consumer price for a reference dairy value chain (US$/kg
milk)
Price markup Income Costs Consumer price
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Smallholder dairy system
• Traditional smallholder dairy farms are the backbone of the dairy industry. • Commercial dairy activities in the country are at an infancy stage with 3% of the milk
filtering through to the formal markets
• Artificial Insemination (AI) is practiced by only by few farmers
• Use of inputs is minimal
• The Zebu is the most widespread cattle breed in the nation and dominates milk production.
• Diary is mainly located in the highlands
• Milk is sold raw in local market via middlemen
• Crop production is an integral part in the dairy system as animals feed on crop residues
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Backyard poultry system
• Most common poultry system in the country
• Generally kept by the rural poor and managed by women and children• Average 30 birds per household
• Important for the rural household economy, supplying high quality nutrition, and financial income• Eggs are usually hatched or sometimes eaten
• Meat is sold via middlemen to markets in rural centres
• Feed exclusively on food scraps• No costs
• No environmental impacts for feed production
• Contribution to woman empowerment
• Chicken consumption is lower than other African countries.
• Risks for human health are not well understood
30
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Pastoralist cattle system
• Tanzania has the third largest cattle population in Africa
• Livestock are mainly kept for subsistence, storage of wealth and cash earnings.
• Cattle is dominant, also goats, sheep
• Located in North of the country
• Traditional roles and labour division
• Fed almost exclusively on grassland grazing
• Potential to improve animal health
31
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Smallholder dairy: Transition to commercial system promises high positive impact on climate and income
32
0.0
20.0
40.0
60.0
80.0
100.0
Baseline Improvementscenario
Climate Impact of Herd (t CO2eq / year)
0.0
5.0
10.0
15.0
20.0
25.0
Baseline Improvementscenario
Contributions to Climate Impact of product
(kg CO2eq / kg milk)
-2000
0
2000
4000
6000
Baseline Improved
Comparison between scenarios
(US$/year)
Financial income In-kind income
Costs per household
Household income from smallholder dairy: baseline and improved ($/year)
• The same herd of 5 cows can potentially increase yield 10-fold
• Increased feed and water rations and medicines
• Artificial insemination
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Backyard poultry: Potential impact of technical improvements is not fully captured in the assessment
33
Household income from backyard poultry: baseline and improved ($/year)
0.0
0.1
0.2
0.3
0.4
0.5
0.6
Baseline Improvementscenario
Climate Impact of Flock (t CO2eq / year)
0
2.5
5
7.5
10
12.5
Baseline Improvementscenario
Contributions to Climate Impact of product
(kg CO2eq / kg meat)
• Small addition of purchased feed improves slaughter weight
• Fences to improve health conditions
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Pastoralist cattle system: Technical improvements can improve both climate impact and income
34
• Less feed of better quality
• Improved animal health through use of medicine
• More animals slaughtered with the same herd size
Pastoralist household income and costs per herd: baseline and
improved ($/year)