This spreadsheet tool calculates the number of sample plots needed to estimate terrestrial carbon stocks, based on a specified targeted precision. It can be used for both baseline and monitoring measurements. This tool is appropriate for use in afforestation/reforestation projects with defined strata and stratum areas. This tool also assists the user to estimate the financial and time resources that will be required to complete the field measurements.
Winrock Sample Plot Calculator Spreadsheet Tool – Chinese
This file applies the equations in: CDM A/R Methodological Tool “Calculation of the number of sample plots for measurements within A/R CDM project activities” Version 2.1.0
http://cdm.unfccc.int/methodologies/ARmethodologies/tools/ar-am-tool-03-v2.1.0.pdf