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Ecosystem services management – linking ecology and economics. Klara Hajdu – CEEWEB [email protected] Ecosystem services. those functions of ecosystems that directly or indirectly support human well-being human well-being : Security Basic material for good life Health

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ecosystem services
Ecosystem services
  • those functions of ecosystems that directly or indirectly support human well-being
  • human well-being:
      • Security
      • Basic material for good life
      • Health
      • Good social relations
      • Freedom of choice and action
ecosystem services1
Ecosystem services
  • Supporting and regulating services
  • Provisioning services
  • Cultural services
ecosystem services2
Ecosystem services
  • Supporting services
      • Soil formation
      • Net primary production
      • Nutrient cycling
      • Water cycling
      • Pollination
      • ...
ecosystem services3
Ecosystem services
  • Regulating services
      • Climate regulation
      • Water regulation
      • Disease regulation
      • Pest regulation
      • Water purification, waste treatment
      • Natural hazard regulation
      • ...
ecosystem services4
Ecosystem services
  • Provisioning services
      • Food
      • Fresh water
      • Fiber, wood fuel
      • Biochemicals, natural medicines, pharmaceuticals
      • Genetic resources
      • ...
ecosystem services5
Ecosystem services
  • Cultural services
      • Spiritual and religious values
      • Aesthetic values
      • Social relations
      • Sense of place
      • Recreational values
      • ...
ecosystem services6
Ecosystem services
  • Trade-off relations between different services
  • Different scales
  • Monetary values (market methods, avoided cost, replacement cost, travel cost method, hedonic pricing, contingent valuation, etc.)
ecosystem services management
Ecosystem services management
  • Primarily for setting the objectives of management
  • Management for maintaining and enhancing ecosystem services
  • Helps to explain the effects of human policies and impacts on ecological functions and human well-being
ecosystem services management1
Ecosystem services management
  • Weighting ecosystem services trade-offs require quantification:
      • Full ecological(-economic) models are the gold standard, but costly and time-consuming
      • Consider service changes (gradients) from the status quo under a finite set of management options – monetary or nonmonetary units (scales, ratings, ranking, etc.)
  • Intrinsic values, moral obligations can set limitations!
  • Nonlinearities, irreversibilities – precautionary value
ecosystem services management2
Ecosystem services management

When considering changes of several services

  • Value of service changes: V × ∆S
  • Uncertainties – using ranges
  • Other considerations (equity) – weighting services
  • Aggregation of different value changes OR discussion of disaggregated results
ecosystem services management case study i
Ecosystem services management –case study I.

Central Arizona-Phoenix

  • Mesic and xeric landscape management
ecosystem services management case study ii
Ecosystem services management –case study II.

Agricultural ecosystem: Kellogg Biological station in Michigan

  • Three agricultural management options compared with traditional practices
ecosystem services management case study iii
Ecosystem services management –case study III.

Agricultural watershed in Iowa

  • Production scenario
  • Water quality improvement scenario
  • Biodiversity enhancement scenario
ecosystem services management summary
Ecosystem services management –summary
  • Could be useful for considering ecosystems in their complexity at least to some extent
  • Helps defining management objectives through the quantifications of trade-offs
  • Requires knowledge of management options on service flows
  • Valuation of service changes is the most complicated, especially in monetary terms
further reading
Further reading
  • Farber et al. 2006. Linking ecology and economics for ecosystem management, BioScience Vol. 56. No. 2: 117- 129
  • Millennium Ecosystem Assessment
          • Synthesis reports

www.millenniumassessment.org

  • „TIME IS LIFE“ CD ROM prepared by CEEWEB
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