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CABI Book Chapter

Natural resource management in agriculture: methods for assessing economic and environmental impacts.

Book cover for Natural resource management in agriculture: methods for assessing economic and environmental impacts.

Description

This book examines methodological difficulties and presents practical methods that can be used in the assessment of the economic and environmental impacts of natural resource management (NRM) in agriculture. Following an introduction, part II (chapters 2-5) examines the valuation of ecosystem services and the measurement of biophysical indicators of NRM impacts. Part III (chapters 6-8) introduces ...

Metrics

Chapter 9 (Page no: 199)

Valuing soil fertility change: selected methods and case studies.

This chapter examines the significant challenges in assessing, i.e. quantifying and valuing, the impacts of soil fertility and nutrient depletion. After briefly reviewing the main economic approaches that are used to value soil nutrient change, four case studies are presented. These illustrate the use and limitations of the two valuation approaches most commonly applied in developing country analysis: the replacement cost approach (RCA) and the change in productivity approach (PCA). The first case study from Ghana assesses the private costs, experienced by farmers, of soil nutrient depletion in two different farming systems. Focusing on nutrient gains from wastewater irrigation in Mexico, the second case demonstrates the divergence of perspectives between local farmers and regional communities on the value of additional nutrient supply. The third case highlights the economic cost of nutrient depletion in sub-Saharan Africa. While the first three cases use the RCA to assess soil fertility change, the final case, from India, uses the PCA to examine erosion as a nutrient depleting process.

Other chapters from this book

Chapter: 1 (Page no: 3) Assessing the impacts of natural resource management interventions in agriculture: concepts, issues and challenges. Author(s): Freeman, H. A. Shiferaw, B. Swinton, S. M.
Chapter: 2 (Page no: 19) Valuation methods and approaches for assessing natural resource management impacts. Author(s): Shiferaw, B. Freeman, H. A. Navrud, S.
Chapter: 3 (Page no: 53) Measurable biophysical indicators for impact assessment: changes in soil quality. Author(s): Pathak, P. Sahrawat, K. L. Rego, T. J. Wani, S. P.
Chapter: 4 (Page no: 75) Measurable biophysical indicators for impact assessment: changes in water availability and quality. Author(s): Sahrawat, K. L. Padmaja, K. V. Pathak, P. Wani, S. P.
Chapter: 5 (Page no: 97) Biophysical indicators of agro-ecosystem services and methods for monitoring the impacts of NRM technologies at different scales. Author(s): Wani, S. P. Piara Singh Dwivedi, R. S. Navalgund, R. R. Ramakrishna, A.
Chapter: 6 (Page no: 127) Econometric methods for measuring natural resource management impacts: theoretical issues and illustrations from Uganda. Author(s): Pender, J.
Chapter: 7 (Page no: 155) Assessing economic impacts of natural resource management using economic surplus. Author(s): Swinton, S. M.
Chapter: 8 (Page no: 175) Bioeconomic modelling for natural resource management impact assessment. Author(s): Holden, S. T.
Chapter: 10 (Page no: 223) Evaluating the impacts of watershed management projects: a practical econometric approach. Author(s): Kerr, J. M. Chung, K. R.
Chapter: 11 (Page no: 245) Assessing economic and environmental impacts of NRM technologies: an empirical application using the economic surplus approach. Author(s): Bantilan, M. C. S. Anupama, K. V. Joshi, P. K.
Chapter: 12 (Page no: 269) Assessing the economic and environmental impacts of conservation technologies: a farm-level bioeconomic modelling approach. Author(s): Shiferaw, B. Holden, S. T.
Chapter: 13 (Page no: 295) Assessing the impacts of natural resource management policy interventions with a village general equilibrium model. Author(s): Holden, S. T. Lofgren, H.
Chapter: 14 (Page no: 321) The concept of integrated natural resource management (INRM) and its implications for developing evaluation methods. Author(s): Douthwaite, B. Ekboir, J. M. Twomlow, S. J. Keatinge, J. D. H.
Chapter: 15 (Page no: 341) NRM impact assessment in the CGIAR: meeting the challenge and implications for CGIAR centres. Author(s): Kelley, T. G. Gregersen, H. M.
Chapter: 16 (Page no: 361) Towards comprehensive approaches in assessing NRM impacts: what we know and what we need to know. Author(s): Swinton, S. M. Shiferaw, B. Freeman, H. A.

Chapter details

  • Author Affiliation
  • West Africa Office, International Water Management Institute, PMB CT 112, Cantonments, Accra, Ghana.
  • Year of Publication
  • 2005
  • ISBN
  • 9780851998282
  • Record Number
  • 20043206491