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Sample sizes for estimating key ecosystem characteristics in a tropical terra firme rainforest

Metcalfe, Daniel; Meir, Patrick; Aragão, Luiz Eduardo O C; da Costa, Antonio Carlos Lola; Almeida, Samuel; Braga, Alan; Goncalves, Paulo; Athaydes, Joao; Malhi, Yadvinder; Williams, Mathew


This study evaluated the sample sizes necessary to estimate several soil and vegetation characteristics within 10% confidence intervals with 95% probability in three terra firme tropical rainforest sites. Across all three plots, the most spatially heterogeneous variables were measurements of total standing crop root mass, ground surface litter mass, litter fall, root growth and soil respiration which required, on average, 152, 105, 52, 45 and 28 samples, respectively to estimate mean values...[Show more]

CollectionsANU Research Publications
Date published: 2008
Type: Journal article
Source: Forest Ecology and Management
DOI: 10.1016/j.foreco.2007.09.026


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