virtual gardening: http://www.bbc.co.uk/gardening/design/virtualgarden_index.shtml

urban gardening:

vertical farming: http://www.verticalfarm.com/designs.php

medical ecology: http://www.medicalecology.org/

ethnobotany: Ray Mears:

• gathering: energy expenditure
• preservation
• hunting
• tools
• cooking: pyrotechnics
• medication