This paper is structured as follows:
Review of existing costs and benefits studies on the use of on-farm reservoirs (OFR) in small scale farming systems.
Use of OFRs for agricultural purposes
Opportunity cost of land use
Crop yield response to irrigation
OFR in cropping systems
Problem of salinisation and implications.
Use of OFRs for aquaculture purposes:
Fish in on-farm reservoirs
Fertilisers use and opportunity costs
Salinisation and aquaculture.
Integration of aquaculture within OFR systems used for irrigation purposes:economic issues surrounding water allocation
Example of a cropping system with the integration of aquaculture
Shortfalls of the spreadsheet model presented and potential for further investigations.
Brugere, C.; Little, D. An approach to valuing ponds within farming systems for aquaculture. (2000) 37 pp.