Biodiversity, ecosystem services, social sustainability and tipping points in African drylands
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Biodiversity, ecosystem services, social sustainability and tipping points in African drylands

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Presented by Aidan Keane, ILRI, Nairobi, 16 August 2011

Presented by Aidan Keane, ILRI, Nairobi, 16 August 2011


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Biodiversity, ecosystem services, social sustainability and tipping points in African drylands Presentation Transcript

  • 1. Biodiversity, ecosystem services, social sustainability and tipping points in African drylands Aidan Keane University College London, Institute of Zoology & International Livestock Research Institute 16 August 2011
  • 2.
    • Background
      • Rangelands as complex socio-economic systems
      • Policy, institutional and economic pressures…
        • … favouring privatisation
        • … and/or devolution of resource management
      • Concern about enclosure, loss of mobility, land degradation, poverty and biodiversity loss
      • Potential existence of tipping points
    Biodiversity, ecosystem services, social sustainability and tipping points in African drylands Background Objectives Framework Methods
  • 3.
    • Objectives
      • To develop a conceptual framework linking policy, land-use and livelihoods through pastoralist decision-making
      • To construct and validate models of pastoralist decision-making
      • To evaluate policy relevant scenarios
      • To disseminate our findings to policy makers and communities
    Biodiversity, ecosystem services, social sustainability and tipping points in African drylands Background Objectives Framework Methods
  • 4. Biodiversity, ecosystem services, social sustainability and tipping points in African drylands Background Objectives Framework Methods
  • 5. Homewood et al. (2009) “Staying Maasai” Biodiversity, ecosystem services, social sustainability and tipping points in African drylands Background Objectives Framework Methods
  • 6. Homewood et al. (2009) “Staying Maasai”
    • Southern Kenya/northern Tanzania
    • Northern Kenya/southern Ethiopia
    • Initial focus on the Maasai Mara
    Biodiversity, ecosystem services, social sustainability and tipping points in African drylands Background Objectives Framework Methods
  • 7.
    • Methods
      • Statistical analysis of existing datasets
      • Modelling of household decision-making
        • Utility maximisation
        • Stochastic dynamic programming
        • Strategic interaction
      • Experimental tests of decision models?
      • Agent-based simulation modelling for scenario exploration (e.g., payments for ecosystem services, climate change)
    Biodiversity, ecosystem services, social sustainability and tipping points in African drylands Background Objectives Framework Methods
  • 8.