Data from: Minimum required number of specimen records to develop accurate species distribution models

André S. J. Van Proosdij, Marc S. M. Sosef, Jan J. Wieringa & Niels Raes
Species Distribution Models (SDMs) are widely used to predict the occurrence of species. Because SDMs generally use presence-only data, validation of the predicted distribution and assessing model accuracy is challenging. Model performance depends on both sample size and species’ prevalence, being the fraction of the study area occupied by the species. Here, we present a novel method using simulated species to identify the minimum number of records required to generate accurate SDMs for taxa of...
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