摘要：Theory and methods in anthracology. 3. Sampling validity.
This paper presents a suite to a series of articles on the anthracological methodology in the tropics.
Sampling validity, based on the analysis of saturation and Gini-Lorenz curves, is discussed. The study
of the latter being still rare, we present the theoretical embasement of this approach, its use in temperate
regions and its application to the tropical vegetation. Validation of palaeoecological interpretation based
on statistical analyses are also presented, with examples of the results that can be obtained from its
application to present vegetation and to anthracological data.
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