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IDENTIFYING THE ROLE OF CROP IDENTIFYING THE ROLE OF CROP PRODUCTION IN LAND COVER CHANGE IN PRODUCTION IN LAND COVER CHANGE IN
BRAZIL SINCE 1990BRAZIL SINCE 1990
Elizabeth Barona A. Supervisor: Navin Ramankutty – Glenn HymanCommittee: Oliver Coomes – Raja SenguptaGeography Department - McGill University
August 3 - 2007
IntroductionIntroductionThe expanding global market is changing the agricultural The expanding global market is changing the agricultural landscape of Brazillandscape of Brazil
IntroductionIntroduction
Concerns:Concerns:
Potential displacement of small farmersPotential displacement of small farmers Increased pressure to clear additional lands for Increased pressure to clear additional lands for
food production or grazingfood production or grazing Competition for agricultural landCompetition for agricultural land Increasing deforestation ratesIncreasing deforestation rates
Source: (Geller and Goldenberg 2000)(Geller and Goldenberg 2000)
IntroductionIntroductionStudy AreaStudy Area
Brazil’s territoryBrazil’s territory ~ 850~ 850
Potentially cultivatable Potentially cultivatable landland
320320
Cultivated land – all Cultivated land – all cropscrops
6060
Million hectares
Source: ESRI - IBGE
Source: Minister of Agriculture - Brazil
Research QuestionResearch Question
What is the role of different crops in changing land What is the role of different crops in changing land cover in Brazil since 1990?cover in Brazil since 1990?
How have the geographic patterns of crops in Brazil How have the geographic patterns of crops in Brazil changed since 1990?changed since 1990?
Which crops are driving the change and why?Which crops are driving the change and why? In which physiographic context has this expansion In which physiographic context has this expansion
occurred, and which ecosystems are being affected?occurred, and which ecosystems are being affected?
MethodsMethods
Spatial analysis of agricultural census and survey statistics at municipality Spatial analysis of agricultural census and survey statistics at municipality level since 1990.level since 1990.
Analysis of trade data to identify importance of trade versus domestic Analysis of trade data to identify importance of trade versus domestic consumptionconsumption
Joint spatial analysis of crop distribution maps and physiographic data Joint spatial analysis of crop distribution maps and physiographic data (climate, soils, topographic, agro ecological zones, vegetation and (climate, soils, topographic, agro ecological zones, vegetation and infrastructure)infrastructure)
Agricultural Census data Agricultural Census data and national surveysand national surveys Census data 1996Census data 1996 IBGE data from 1990 to IBGE data from 1990 to
presentpresent
Data sourcesData sources
Trade dataTrade data FAOSTAT, USDA, UNICAFAOSTAT, USDA, UNICA
Physiographic dataPhysiographic data IBGE, TRMM, FAOIBGE, TRMM, FAO
Preliminary ResultsPreliminary Results
Objective 1Objective 1
Conduct GIS analysis to produce time Conduct GIS analysis to produce time series maps of crop distributionseries maps of crop distribution
Global data of agriculture Global data of agriculture area and production (You and area and production (You and Wood 2006; Leff et al 2004).Wood 2006; Leff et al 2004).
Crop distributionCrop distribution
IBGE (Brazilian Institute of Geographic and IBGE (Brazilian Institute of Geographic and Statistics) - national surveyStatistics) - national survey
Data ProcessingData Processing
Administrative Units:Administrative Units: 5 Regions5 Regions 27 States27 States 5563 municipalities5563 municipalities
Crop ProductionCrop Production
Brazil - Crop Distribution 1990 - 2005 Brazil - Crop Distribution 1990 - 2005
Source: IBGE
19901990 19951995 20002000
20052005
1990 – 2005
11.3 – 11.5 Million ha
3.94 – 3.91 Million ha
1990 – 2005
4.6 – 3.7 Million ha
1.93 –1.90 Million ha
1990 – 2005
4.2– 5.8 Million ha
11.4 – 22.9 Million ha
Change in Area Change in percent of total crop area
SOYBEAN 1 9 9 0 - 2 0 0 5SOYBEAN 1 9 9 0 - 2 0 0 5
SUGARCANE 1 9 9 0 - 2 0 0 5SUGARCANE 1 9 9 0 - 2 0 0 5
Change in Area Change in percent of total crop area
Objective 2 - TradeObjective 2 - Trade
Understand the driving factors behind new Understand the driving factors behind new crop expansioncrop expansion
Drivers of crop expansion in Brazil:Drivers of crop expansion in Brazil:
- Financial support from the agro-industry sector- Financial support from the agro-industry sector
- Trade liberalization (i.e waivers, tax, subsidies)- Trade liberalization (i.e waivers, tax, subsidies)
- International agreements (WTO – World Trade - International agreements (WTO – World Trade Organization)Organization)
Soybean Soybean SugarSugar
Increasing global demandIncreasing global demand
Source: UNICA - 2004
Source: Greenpace - 2005
0
5
10
15
20
25
30
35
40
1990
1993
1996
1999
2002
2005
Th
ou
san
ds
Met
ric
To
nn
es
Export Domestic
Soybean
Source: FAOSTAT-2006
Domestic = Production - ExportDomestic = Production - Export
Soybean ExportsSoybean Exports
Soybean three markets:Soybean three markets:
- Soybean- Soybean
- Soy oil- Soy oil
- Soy meal- Soy meal
Soybean ExportsSoybean Exports
Source: FAOSTAT - 2006
Soybean ExportsSoybean Exports
Source data: FAOSTAT - 2005
Sugarcane Production
Source: Outlook report - 2005
Sugar ExportsSugar Exports
Sugarcane three markets:Sugarcane three markets:
Raw sugar, Refined sugarRaw sugar, Refined sugar
BioethanolBioethanol
SugarSugar 37%37% 63%63%
EthanolEthanol 85%85% 15%15%
SugarcaneSugarcane 61%61% 39%39%
Domestic ExportDomestic Export
Sugarcane 2004 - 2005Sugarcane 2004 - 2005
Source: UNICA - 2005
Sugarcane - ExportsSugarcane - Exports
Source: UNICA-2006
Objective 3Objective 3
Understand the physiographic context and Understand the physiographic context and ecosystem impacts of the crop expansionecosystem impacts of the crop expansion
The next step The next step
Preliminary ConclusionPreliminary Conclusion Expansion of certain crops such as sugar cane and Expansion of certain crops such as sugar cane and
soybean is causing a northward shift (and soybean is causing a northward shift (and sometimes decreases) of other crops.sometimes decreases) of other crops.
Global demand has an important impact on cropland Global demand has an important impact on cropland expansion in Brazil.expansion in Brazil.
Important ecosystems like Amazonia or Atlantic Important ecosystems like Amazonia or Atlantic forest would be affected by cropland expansion forest would be affected by cropland expansion
Continued work on spatial analysis of crop Continued work on spatial analysis of crop distribution and analysis of impactsdistribution and analysis of impacts
Thank you!Thank you!