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Table 2 Primary (foreground) and secondary (background) data items

From: Potential environmental and population health impacts of local urban food systems under climate change: a life cycle analysis case study of lettuce and chicken

Foreground data

Background data (from databasesa)

Product produced: description and amount

Electricity: production and distribution

Co-products: description and amount

Cars and trucks for transport

Land use: area of land used for production, co-uses, provision of any cultural services

Tractors and other machinery in production

Energy use: amount and source of electricity, petrol fuels, gas

Fertilizers and pesticides: manufacture of

Water use: amount and source of water

Wheat, canola and soya: production of

Material use: type, amount and source of other materials, such as pesticides, fertilizers, feed

City water supply

Wastes: type of waste and method of disposal

Waste to landfill

Application of food and worker safety measures

Manure management

Transport used in production

Other

  1. aAustralasian Unit Process Database and databases available in SimaPro version 7.3.3 software.