The Precision and Repeatability of a Leaf Biomass Sampling Technique for Mixed Hardwood Stands

The Precision and Repeatability of a Leaf Biomass Sampling Technique for Mixed Hardwood Stands

A sampling technique for estimating annual leaf fall in mixed hardwood stands (principally oaks) was tested. The performance criteria were the repeatability of the sampling technique from one year to the next and the precision of its estimates. Estimates and confidence intervals for certain stand pa...

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Veröffentlicht in:The Journal of applied ecology 1974-12, Vol.11 (3), p.1035-1042
Hauptverfasser: Lloyd, F. Thomas, Olson, David F.
Format: Artikel
Sprache:eng
Schlagworte:
Analysis of variance
Biomass
Estimators for the mean
Forest stands
Graph theory
Hardwoods
Leaf abscission
Leaves
Sampling methods
Statistical variance
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Zusammenfassung:A sampling technique for estimating annual leaf fall in mixed hardwood stands (principally oaks) was tested. The performance criteria were the repeatability of the sampling technique from one year to the next and the precision of its estimates. Estimates and confidence intervals for certain stand parameters are presented. The sampling method consisted of randomly located leaf traps on 0.1-ha plots in stands. The method caused a minimum disruption of the forest. Judged by the performance criteria, the method gave reliable results.
ISSN:0021-8901
1365-2664
DOI:10.2307/2401763