Agro-food system restructuring and the geographic concentration of US swine production

Earth & Environmental Sciences

• local government policy 100%
• economic concentration 95%
• livestock farming 71%
• water pollution 56%
• manure 55%
• leakage 53%
• lagoon 52%
• county 52%
• organization 42%
• time series 40%
• food 39%
• industry 35%

Social Sciences

• restructuring 50%
• food 40%
• concentration of enterprises 16%
• water pollution 12%
• time series 10%
• government policy 8%
• industry 5%