Bernoux EX ACT methods oct 2011

…and a lot of people that help to design, test, validate, use, improve, correct, translate and disseminate EX-ACT: L. Bockel, A. Carro, G. Branca, M. Tinlot, A. Gentien, P. Gorin, P.L. Sutter, O. Touchemoulin, L. Lipper, G. Smith, D. Thapa, M. Jonsson, R. Sanz Cortes, K. Medeiros, and …
Martial Bernoux
Smallholder Mitigation:
Whole Farm and Landscape Accounting
EX-ACT and Landscape Accounting
Functionnal Ecology & Biogeochemistry of Soils & Agro-ecosystems
A French Multi-institute Research group based in Montpellier

EX-Ante C-balance Tool (EX-ACT)
Background/History
2008 2009 2010
Concept
note
Tool design
Pilot desk and field cases:
Tanzania, Brazil, Eritrea,
Madagascar, China
EX-ACT v1
Tech. Guidelines
User guides
Peer
review
EX-ACT v2
Web site
A simple tool to provide rapid ex-ante estimations of the impact of agriculture and
forestry development projects on GHG emissions and carbon sequestration, but
using data already available (cost-effective) within classical formulation or
evaluation of existing project.
TCS
TCI
ESA

Background/History
2008 2009 2010 2011
One tool, several
potentials
Putting forward
externalities
Anticipating GHG and
carbon impacts of
agriculture and forestry
activities in a development
context
Strengthening value
chains
Helping to get
additional funding
Helping policy
decision-making
A tools for
teachers
Scaling up and interaction

Set of linked Microsoft Excel sheets (23)
Aboveground
Belowground
Dead wood
Litter
Soil
C stock variation
N2O & CH4
emissions
Land-use change Land-use remaining same land-use
OLU
Deforestation
OLU
Af/Re-forestation
OLU OLU
Other LUC
Forest degradation
Annual crop Rice
Grassland
Perennial
crop
What is exactly EX-ACT?

Set of linked Microsoft Excel sheets (23)
OLU
Land-use change
Deforestation
OLU
Af/Re-forestation
OLU OLU
Other LUC
Forest degradation
Annual crop
Land-use remaining same land-use
Rice
Grassland
Organic soils Livestock Inputs
Other
investments
Components of the project
Perennial
crop

Main concepts and methodologies beyond EX-ACT
Methodologies

Main concepts and methodologies beyond EX-ACT
Methodologies
Other Coefficients

Matrix
(Synthesis of
LULUCF)
Description
Climate
Soil
Ecol-Zone
Sub-Modules
List
Other
Coeff.
IPCC
defaults
Variables and
coefficients Modular approach
Related to
land areas
Results (total, per ha, per ha and per year)
User can
have its
own
coefficients
if available
(Tier 2)

BRAZIL
« Santa Catarina rural competitiveness » and
« Rio de Janeiro sustainable rural development”
140 000 small-farming families
MADAGASCAR
Irrigation and watershed management
programs
ETHIOPIA
The Agricultural Growth Project (AGP)
2 Mi small/medium farming families
RWANDA
Land husbandry, Water harvesting and Hillside irrigation (LWH)
project and The Kirehe Community-based Watershed
Management Project (KWAMP)
UGANDA
Agriculture Technology and Agribusiness
Advisory Services project (ATAAS)
2.1 Mi small farming families
TANZANIA
Accelerated Food Security Project
2.5 Mi small-farming families
Rep. Dem. CONGO
Agriculture Rehabilitation and Recovery
Support Project (ARRSP)
105 000 small farming families
BURKINA FASO
Cashew nuts value chain
15 000 small farming families
EX-Act applied at landscape levels for developing country, smallholder contexts
All these studies are available on the dedicated web site

Nigerian Vision 2020
REDD+ Congo
Eritrea
Morocco
India
Uruguay
Turkey
Russia
EX-Act applied at landscape levels for developing country, smallholder contexts
EX-ACT also used at “national” scale (policies and programs)
~30 project and policy appraisals in 24 counties (2.5 Bi)
But also, Training and presentations in over 20
countries for around 600 people…

Objective: Increase agricultural production and productivity
Targets: 2.5 millions farmers
Means: improve rice and maize crops ( vouchers : improved seeds, inputs), stop
residue burning, adoption of improved practises with better agronomic practises
and better nutrient management
Duration of carbon balance appraisal: 7+13 years
T Eq-CO2 Maize Irrigation
Irrigated
rice
Inputs Total
Carbon balance
(CB)
-12.616.561 235 2.607.667 4.187.055 -5.821.604
CB.ha-1 -5,5
CB.an-1.ha-1 -0,28
T Eq-CO2 Maize Irrigation
Irrigated
rice
Inputs Total
Carbon blance
(CB)
-8.353.397 235 2.607.667 4.187.055 -1.558.440
CB.ha-1 -1,5
CB.an-1.ha-1 -0,07
27%
29%
29%
conventionnel
improved 1: agronomic+nutrient+no tillage+no
burning
Improved 2 : nutrient+no burning
Improved 3: nutrient
S
C
E
N
A
R
I
O
2
S
C
E
N
A
R
I
O
1
Accelerated Food Security Project in the United Republic of Tanzania
TANZANIA
Accelerated Food Security Project
2.5 Mi small-farming families

Major weakness of EX-ACT: One main climate and One main soil type
But user can easily done sensitivity analysis
RWANDA : Land husbandry, Water harvesting and Hillside irrigation (LWH) project

http://www.fao.org/tc/exact/en/

EX-ACT Screenshots

Description of the project
Project Name GWP (choose values)
Continent CO2 1
CH4 21
Climate N2O 310
Moisture regime
See "Climate" for Help
Dominant Regional Soil Type
See "Soil" for Help
Duration of the Project (Years) Implementation phase 6
Capitalisation phase 14
Duration of accounting 20
Components of the Project
Deforestation
Forest Degradation
Afforestation and Reforestation
Non Forest Land Use Change
Agriculture
Annual Crops
Agroforestry/Perennial Crops
Irrigated Rice
Grassland
Other GHG Emissions
Livestock
Inputs
Other Investment
Official-CDM
LAC Soils
Moist
Rio de Janeiro Rural -EX-ACT v3
South America
Tropical
GO TO RESULTS

Project Summary Area (Initial state in ha)
Name Rio de Janeiro Rural -EX-ACT v3 Forest/Plantation 6,2
Annual 225104 Implementation 6
Continent South America Cropland Perennial 0 Capitalisation 14
Rice 0 Total 20
Climate Tropical Moist Grassland 691
Other Land Degraded 2010
Dominante Soil TyLpAeC Soils Other 0 Total Area 227811,2
Without With
4302 this is a source > 0 215 0
Forest Degradation 0 < 0 0 0
0 > -517372 this is a sink 0 -25869
0 > -114412 this is a sink 0 -5721
2823705 this is a source > 2610433 this is a source 141185 130522
0 > -186120 this is a sink 0 -9306
0 < 0 0 0
-12803 this is a sink > -23770 this is a sink -640 -1188
14105095 this is a source > 14065326 this is a source 705255 703266
9074 this is a source < 11570 this is a source 454 578
8496 this is a source < 19482 this is a source 425 974
Final Balance 16937869 It is a source > 15865136 It is a source 846893 793257
Result per ha 74,4 > 69,6 3,7 3,5
Afforestation and Reforestation
Non Forest Land Use Change
Agriculture
Other Investment
Annual Crops
Agroforestry/Perennial Crops
Irrigated Rice
Grassland
Components of the Project
Other GHG Emissions
Livestock
Inputs
Deforestation
All GHG in tCO2eq
Gross fluxes "Without Project"
Duration of the
Project (years)
Gross fluxes "With Project"
All GHG in tCO2eq
Gross fluxes per year
-2000000
0
2000000
4000000
6000000
8000000
10000000
12000000
14000000
16000000
Deforestation Forest DegraAdfafotiorenstation and ReNfonre Fsotarteiosnt Land Use Chan Agennual CroApgsroforestry/Perennial CroIprrsigated Rice Grassland Livestock Inputs Other Investment

“EX-ACT is anything but exact…”

The Kirehe Community-based Watershed Management Project in Rwanda

Bernoux EX ACT methods oct 2011

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Bernoux EX ACT methods oct 2011