Introduction to the Pilot Analysis of Global Ecosystems
p. 1
Agroecosystems: Executive Summary
p. 1
Scope of the Assessment
Key Findings and Information Issues
Conclusions
Recommendations for the Millennium Ecosystem Assessment
Prologue
p. 13
Agricultural Intensification
Environmental Concerns
The Policy Challenge
Agricultural Extent and Agricultural Land Use Changes
p. 17
Location and Extent of Global Agriculture
Agricultural Land Use Balances and Trends
Agricultural Land Use Dynamics
Agroecosystem Characterization within the PAGE Global Agricultural Extent
Global Agricultural Land Uses: Information Status and Needs
Food, Feed, and Fiber
p. 31
Global Production Patterns
Input Intensity of Agricultural Production Systems
Status and Trends in Yields and Production Capacity
The Value of Outputs
Enhancing the Capacity of Agroecosystems to Produce Food, Feed, and Fiber
Summary of Indicators and Data
Soil Resource Condition
p. 45
Global Patterns of Soil Constraints
Soil Quality Status and Change
Soil Organic Matter
Soil Nutrient Dynamics
Interpreting Regional and Global Soil Quality
Enhancing the Capacity of Soils to Provide Goods and Services
Summary of Indicators and Data
Water Services
p. 55
Condition of Rainfed Agroecosystems
Condition of Irrigated Agroecosystems
Agricultural Effects on Water Quality
Agricultural Effects on Water Supply
Summary of Indicators and Data
Biodiversity
p. 63
Status of Land Conversion to Agricultural Use
Status of Natural Habitat within Agricultural Landscapes
Status of Wild Biodiversity in Agroecosystems
Status of Agricultural Diversity
Enhancing the Capacity of Agroecosystems to Support Biodiversity
Summary of Indicators and Data
Carbon Services
p. 75
Status of Carbon Stocks
Status and Trends of Greenhouse Gas Emissions
Enhancing the Capacity of Agroecosystems to Provide Carbon Services
Summary of Indicators and Data
Endnotes
p. 83
Abbreviations and Units
p. 85
References
p. 87
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