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Ash-free dry mass (AFDM) determination (Insecta)
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Description
Standard protocol for measuring organic matter decomposition by separating detritus into size fractions, oven-drying, weighing, and ashing to determine ash-free dry mass (AFDM). Accounts for inorganic content to isolate organic matter loss.
Typical Equipment
- 1-mm mesh screen
- oven
- Wiley mill
- 550°C furnace
- LECO CNS Elemental Analyzer model #2000
Output Measurements
- detritus AFDM
- decomposition rates
- C:N ratios
- C:P ratios