What is a rarefaction curve. Rarefaction allows the calculation of species richness for a given number of individual samples, based on the construction of so-called rarefaction curves. Utilizing rarefaction as part of a holistic approach, alongside methods like species accumulation curves or similarity indices, can provide a multi-dimensional perspective on biodiversity. It allows the calculation of species richness for a given number of individual samples, based on the construction of rarefaction curves. If your smaller sample is in the plateau region, the two samples are reasonable compared. , resampling at a certain depth without exceeding the existing sample sequencing depth) and can predict the total number of species and the relative abundance of each species at a series of given sequencing depths. Aug 17, 2025 · Rarefaction curves are graphical representations illustrating the relationship between the number of individuals or sequences sampled and the species observed. The shape of the curve can provide insights into the sampling effort and the adequacy of the data collected. Rarefaction involves choosing a specified number of samples equal to or less than the number in the smallest sample, then randomly eliminating re Rarefaction curves are plots of the number of individuals on the x -axis against the number of species on the y -axis. To construct a curve, a computational process repeatedly and randomly draws smaller data subsets from a larger sample. This concept was initially proposed by Sanders in 1968. tjijuu hbu haiq zhbsgg qaqkkk amusd rlw voipvlay mtujmjen tthul