Biophysical measurement measures physical changes that take place over a period of time related to a specific indicator and using an accepted measurement procedure.
This provides statistically reliable data that can form the basis for measuring impact and change. (Sette, 2008)
"Examples of specific direct measurement options:
Health/Nutrition: measuring the upper-arm circumference of children under five, degree of stunting in boys and girls under five, attendance at local clinics, etc.
Agriculture: annual yield/production, amount of fencing/terracing constructed, seed or fertiliser expenditures, livestock numbers, number of bore wells constructed, etc.
Natural resource management: kilometres of contour bunds, presence of rare species per unit area, survival rate of seedlings planted, etc.
Credit: numbers of loans repaid, increasing numbers of savings and credit/self-help groups, etc." (Sette, 2008)
Sette, C. (2008, January 08). Biophysical measurements. Retrieved from https://web.archive.org/web/20150326223736/http://www.cgiar-ilac.org/content/biophysical-measurements (archived link)
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