1．Contemporary Pastoralism:Old Problems，New Challenges&Anatoly M.Khazanov 1
2．Cattle Breeding,Complexity and Mobility in a Structurally Unpredictable Environment:the WoDaaBe Herders of Niger&Saverio Kratli 24
3．Disentangling"Forced Displacement"from Pastoral Mobility:Recovery and Reconstruction in the Sahel and in South Sudan&Salem Mezhoud and Clare Oxby 59
4．Pastoralists at Crossroads:Community Resource Governance in the Context of a Transitioning Rangelands Tenure System&Stephen S.Moiko 83
5．Booking and Grabbing Land:Strategies of Appropriation in Loita Maasailand,Kenya&Angela Kronenburg Garcia 102
6．Adapting to Biodiversity Conservation:The Mobile Pastoral Harasiis Tribe of Oman&Dawn Chatty 133
7．Pastoral Determinants in Mongolia's Steppe Environment&Troy Sternberg 154
8．Theorizing Ecological Migration&Emily T.Yeh 176
9．Can Ecological Migration Policy in the Tibetan Plateau Region Achieve both Conservation Goals and Human Development Goals?A Review of the Canadian Experience of Relocation and Settlement&J. Marc Foggin and Gongbu Zhaxi 207
Author Biographies 224