... declare that they have no competing interests.Received: 8 March 2 011 Accepted: 9 May 2 011 Published: 9 May 2 011 doi :10 .11 86/20 41- 713 6 -1- 5 Cite this article as: Swift: Katherine Homewood. Ecology of ... Pastoralism: Research, Policy and Practice2 011 1: 5. Swift Pastoralism: Research, Policy and Practice 2 011 , 1: 5 http://www.pastoralismjournal.com/content /1/ 1 /5 Page 3 of 3common themes; Chapter 9 ... stimulated changes inSwift Pastoralism: Research, Policy and Practice 2 011 , 1: 5 http://www.pastoralismjournal.com/content /1/ 1 /5 Page 2 of 3...