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

Papers Using This Protocol (1)