A Method to Determine the Minimum Number of Litter Traps in Litterfall Studies

A Method to Determine the Minimum Number of Litter Traps in Litterfall Studies

Litterfall was collected in a 0.64 ha area for three months, using 25 litter traps. Resampling methods were used to calculate the total litterfall mass grand mean and coefficient of variation (CV) for each month using different numbers of litter traps (2-25). Based on the variation of those two stat...

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Veröffentlicht in:Biotropica 2003-09, Vol.35 (3), p.419-421
Hauptverfasser: Finotti, Ricardo, Freitas, Simone Rodrigues, Cerqueira, Rul, Vieira, Marcus Vinícius
Format: Artikel
Sprache:eng
Schlagworte:
Coefficients
Estimate reliability
Forest litter
Hemic system
Litter size
Net primary production
Sample size
Short Communications
Tropical forests
Tropical rain forests
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Zusammenfassung:Litterfall was collected in a 0.64 ha area for three months, using 25 litter traps. Resampling methods were used to calculate the total litterfall mass grand mean and coefficient of variation (CV) for each month using different numbers of litter traps (2-25). Based on the variation of those two statistics, it was possible to determine the minimum number of litter traps necessary to achieve accuracy (variation in grand mean) and precision (magnitude of CV).
ISSN:0006-3606
1744-7429
DOI:10.1043/0006-3606(2003)035(0419:AMTDTM)2.0.CO;2